Orosur Mining Inc Announces APTA Continues to Deliver

Original announcement by tmx on

Company
Orosur Mining Inc
Ticker
OMI
Exchange
TSX
Region
Colombia
Primary commodity
Gold
Secondary commodities
Silver, Copper, Lead, Zinc
Document categories
Drill results
Extracted
2026-09-18 14:43:46 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Orosur Mining Inc. announced new drill results from its Anzá Project in Colombia, with hole MAP107 at the APTA prospect returning 135.5m at 1.91 g/t gold, including higher-grade sections up to 13.8m at 12.73 g/t gold. These results confirm and extend gold mineralization at shallower levels, supporting new geological interpretations. The company is fully funded for ongoing exploration, despite encountering difficult drilling conditions that led to early termination of MAP107.

Reasoning: The document reports strong new drill results from the APTA prospect, including high-grade gold intercepts that extend mineralization to shallower depths. The company's exploration program is fully funded, and new geological models are proving effective. However, the lack of true width disclosure and challenging drilling conditions introduce some uncertainty.

Positive factors

  • High-grade gold intercepts in new drilling (MAP107) confirm and extend mineralization at shallower levels than previously thought.
  • The company is fully funded for continued exploration, indicating financial stability for the program.
  • New geological concepts are proving successful in targeting higher-grade zones, suggesting potential for resource growth.
  • Comprehensive QA/QC protocols are in place, including certified labs and QP sign-off, enhancing data credibility.

Negative factors

  • True widths of reported intercepts are unknown, which may overstate the actual thickness of mineralization.
  • Difficult drilling conditions were encountered in MAP107, leading to early termination of the hole above the target zone, potentially leaving high-grade mineralization untested at depth.

Facts used in scoring: 30

Extracted facts

Stored fact records: 30. Some facts used in scoring do not have a stored record.

Drill Results (30)

MAP107Anzá · goldGrade: 1.91Grade Unit: g/tIntercept: 135.5 mView all details
Link to this fact

Identity

Hole ID
MAP107
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
1.91
Grade Unit
g/t
Intercept
135.5 m
From
111.65 m
To
247.15 m
Intercept Depth
111.65 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP107:111.65-247.15
Mining Method
underground

Location

Location
APTA
Easting
399808
Northing
694864
CRS
WGS84, UTM Zone 18
EPSG
32618
Elevation
1128 m
Azimuth
109 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This is a strong new intercept that confirms the geological model and extends mineralization. The grade-thickness product (135.5m * 1.91 g/t = 258.9 g/t*m) is strong for gold. However, the unknown true width and early termination due to drilling difficulties are negative factors.

Positive factors

  • Significant intercept length and good average grade for an epithermal gold system.
  • Hole ended in mineralization, indicating potential for further extension.
  • Supports new geological interpretation and continuity of higher-grade zones.

Negative factors

  • True width is unknown, which may overstate the actual thickness.
  • Difficult drilling conditions led to early termination, potentially leaving deeper high-grade zones untested.

Tags used in scoring

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: Hole MAP107 was targeted to intersect geological features roughly 50m to the south of previous drilling to test continuity.

Evidence · text

“hole MAP107 was drilled from a similar location, but targeted to intersect the same geological features, but roughly 50m to the south (figure 2) in order to test continuity of these higher-grade zones.”

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

MAP107Anzá · goldGrade: 4.06Grade Unit: g/tIntercept: 49 mView all details
Link to this fact

Identity

Hole ID
MAP107
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
4.06
Grade Unit
g/t
Intercept
49 m
From
198.15 m
To
247.15 m
Intercept Depth
198.15 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP107:198.15-247.15
Mining Method
underground

Location

Location
APTA
Easting
399808
Northing
694864
CRS
WGS84, UTM Zone 18
EPSG
32618
Elevation
1128 m
Azimuth
109 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This is a very strong intercept (49m at 4.06 g/t Au) within the broader zone, demonstrating significant gold mineralization. The grade (4.06 g/t Au) is exceptional for an epithermal deposit, and the GT product (198.94 g/t*m) is strong. The unknown true width is a minor negative.

Positive factors

  • High-grade intercept within a broader mineralized zone, indicating strong gold enrichment.
  • Supports the continuity of higher-grade zones at shallower levels.

Negative factors

  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: Hole MAP107 was targeted to intersect geological features roughly 50m to the south of previous drilling to test continuity.

Evidence · text

“hole MAP107 was drilled from a similar location, but targeted to intersect the same geological features, but roughly 50m to the south (figure 2) in order to test continuity of these higher-grade zones.”

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

MAP107Anzá · goldGrade: 7.15Grade Unit: g/tIntercept: 26 mView all details
Link to this fact

Identity

Hole ID
MAP107
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
7.15
Grade Unit
g/t
Intercept
26 m
From
221.15 m
To
247.15 m
Intercept Depth
221.15 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP107:221.15-247.15
Mining Method
underground

Location

Location
APTA
Easting
399808
Northing
694864
CRS
WGS84, UTM Zone 18
EPSG
32618
Elevation
1128 m
Azimuth
109 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This is an exceptional high-grade intercept (26m at 7.15 g/t Au) within the broader zone, further enhancing the prospectivity. The GT product (185.9 g/t*m) is strong. The unknown true width is a minor negative.

Positive factors

  • Very high-grade intercept within a broader mineralized zone, indicating significant gold enrichment.
  • Grade (7.15 g/t Au) is exceptional for an epithermal deposit.

Negative factors

  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: Hole MAP107 was targeted to intersect geological features roughly 50m to the south of previous drilling to test continuity.

Evidence · text

“hole MAP107 was drilled from a similar location, but targeted to intersect the same geological features, but roughly 50m to the south (figure 2) in order to test continuity of these higher-grade zones.”

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

MAP107Anzá · goldGrade: 12.73Grade Unit: g/tIntercept: 13.8 mView all details
Link to this fact

Identity

Hole ID
MAP107
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
12.73
Grade Unit
g/t
Intercept
13.8 m
From
233.35 m
To
247.15 m
Intercept Depth
233.35 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP107:233.35-247.15
Mining Method
underground

Location

Location
APTA
Easting
399808
Northing
694864
CRS
WGS84, UTM Zone 18
EPSG
32618
Elevation
1128 m
Azimuth
109 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This is a bonanza-grade intercept (13.8m at 12.73 g/t Au) and the highest-grade interval reported for MAP107, making it a highly material result. The unknown true width is a minor negative.

Positive factors

  • Exceptional high-grade intercept, significantly above the deposit-type norm for epithermal gold.
  • Grade (12.73 g/t Au) is exceptional and the GT product (175.67 g/t*m) is strong, indicating a bonanza zone.

Negative factors

  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: Exceptionally high-grade zone, well above the deposit-type norm (12.73 g/t Au vs 5 g/t exceptional threshold for epithermal gold).

Evidence · table

“12.73”

Context: 13.8

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: Hole MAP107 was targeted to intersect geological features roughly 50m to the south of previous drilling to test continuity.

Evidence · text

“hole MAP107 was drilled from a similar location, but targeted to intersect the same geological features, but roughly 50m to the south (figure 2) in order to test continuity of these higher-grade zones.”

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”
MAP011Anzá · goldGrade: 18.26Grade Unit: g/tIntercept: 6 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MAP011
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
18.26
Grade Unit
g/t
Intercept
6 m
From
213 m
To
219 m
Intercept Depth
213 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP011:213-219
Mining Method
underground

Location

Location
APTA
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This historical intercept shows very high-grade gold over a moderate width. The grade (18.26 g/t Au) is exceptional, and the GT product (109.56 g/t*m) is strong. Its historical nature reduces novelty.

Positive factors

  • Very high-grade intercept (18.26 g/t Au) for an epithermal deposit, indicating strong gold mineralization.

Negative factors

  • This is historical data, reducing its novelty.
  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: Exceptionally high-grade zone, well above the deposit-type norm (18.26 g/t Au vs 5 g/t exceptional threshold for epithermal gold).

Evidence · table

“18.26”

Context: 6

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: This intercept is explicitly listed under 'Previous historical intersections, APTA'.

Evidence · table

“MAP011”

Context: MAP011

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”
MAP020Anzá · goldGrade: 3.85Grade Unit: g/tIntercept: 41 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MAP020
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
3.85
Grade Unit
g/t
Intercept
41 m
From
145 m
To
186 m
Intercept Depth
145 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP020:145-186
Mining Method
underground

Location

Location
APTA
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This historical intercept shows strong gold mineralization over a good width. The grade (3.85 g/t Au) is exceptional, and the GT product (157.85 g/t*m) is strong. Its historical nature reduces novelty.

Positive factors

  • Strong grade (3.85 g/t Au) over a significant width (41m) for an epithermal deposit.

Negative factors

  • This is historical data, reducing its novelty.
  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: This intercept is explicitly listed under 'Previous historical intersections, APTA'.

Evidence · table

“MAP020”

Context: MAP020

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”
MAP021Anzá · goldGrade: 14.14Grade Unit: g/tIntercept: 18 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MAP021
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
14.14
Grade Unit
g/t
Intercept
18 m
From
224 m
To
242 m
Intercept Depth
224 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP021:224-242
Mining Method
underground

Location

Location
APTA
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This historical intercept shows exceptional high-grade gold mineralization. The grade (14.14 g/t Au) is exceptional, and the GT product (254.52 g/t*m) is strong. Its historical nature reduces novelty.

Positive factors

  • Exceptional high-grade intercept (14.14 g/t Au) over a good width (18m) for an epithermal deposit.

Negative factors

  • This is historical data, reducing its novelty.
  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: Exceptionally high-grade zone, well above the deposit-type norm (14.14 g/t Au vs 5 g/t exceptional threshold for epithermal gold).

Evidence · table

“14.14”

Context: 18

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: This intercept is explicitly listed under 'Previous historical intersections, APTA'.

Evidence · table

“MAP021”

Context: MAP021

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”
MAP033Anzá · goldGrade: 10.42Grade Unit: g/tIntercept: 22 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MAP033
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
10.42
Grade Unit
g/t
Intercept
22 m
From
157 m
To
179 m
Intercept Depth
157 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP033:157-179
Mining Method
underground

Location

Location
APTA
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This historical intercept shows exceptional high-grade gold mineralization. The grade (10.42 g/t Au) is exceptional, and the GT product (229.24 g/t*m) is strong. Its historical nature reduces novelty.

Positive factors

  • Exceptional high-grade intercept (10.42 g/t Au) over a good width (22m) for an epithermal deposit.

Negative factors

  • This is historical data, reducing its novelty.
  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: Exceptionally high-grade zone, well above the deposit-type norm (10.42 g/t Au vs 5 g/t exceptional threshold for epithermal gold).

Evidence · table

“10.42”

Context: 22

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: This intercept is explicitly listed under 'Previous historical intersections, APTA'.

Evidence · table

“MAP033”

Context: MAP033

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”
MAP036Anzá · goldGrade: 3.88Grade Unit: g/tIntercept: 29 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MAP036
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
3.88
Grade Unit
g/t
Intercept
29 m
From
198 m
To
227 m
Intercept Depth
198 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP036:198-227
Mining Method
underground

Location

Location
APTA
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This historical intercept shows strong gold mineralization. The grade (3.88 g/t Au) is exceptional, and the GT product (112.52 g/t*m) is strong. Its historical nature reduces novelty.

Positive factors

  • Strong grade (3.88 g/t Au) over a significant width (29m) for an epithermal deposit.

Negative factors

  • This is historical data, reducing its novelty.
  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: This intercept is explicitly listed under 'Previous historical intersections, APTA'.

Evidence · table

“MAP036”

Context: MAP036

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”
MAP038Anzá · goldGrade: 14.09Grade Unit: g/tIntercept: 40 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MAP038
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
14.09
Grade Unit
g/t
Intercept
40 m
From
172 m
To
212 m
Intercept Depth
172 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP038:172-212
Mining Method
underground

Location

Location
APTA
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This historical intercept shows exceptional high-grade gold mineralization over a significant width. The grade (14.09 g/t Au) is exceptional, and the GT product (563.6 g/t*m) is exceptional. Its historical nature reduces novelty.

Positive factors

  • Exceptional high-grade intercept (14.09 g/t Au) over a significant width (40m) for an epithermal deposit.

Negative factors

  • This is historical data, reducing its novelty.
  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: Exceptionally high-grade zone, well above the deposit-type norm (14.09 g/t Au vs 5 g/t exceptional threshold for epithermal gold).

Evidence · table

“14.09”

Context: 40

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: This intercept is explicitly listed under 'Previous historical intersections, APTA'.

Evidence · table

“MAP038”

Context: MAP038

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”
MAP048Anzá · goldGrade: 40.37Grade Unit: g/tIntercept: 14 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MAP048
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
40.37
Grade Unit
g/t
Intercept
14 m
From
181 m
To
195 m
Intercept Depth
181 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP048:181-195
Mining Method
underground

Location

Location
APTA
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This historical intercept is a bonanza-grade result, with a grade (40.37 g/t Au) significantly above the exceptional threshold and an exceptional GT product (565.18 g/t*m). Its historical nature reduces novelty.

Positive factors

  • Exceptional high-grade intercept (40.37 g/t Au) over a good width (14m) for an epithermal deposit, indicating a bonanza zone.

Negative factors

  • This is historical data, reducing its novelty.
  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: Exceptionally high-grade zone, well above the deposit-type norm (40.37 g/t Au vs 5 g/t exceptional threshold for epithermal gold).

Evidence · table

“40.37”

Context: 14

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: This intercept is explicitly listed under 'Previous historical intersections, APTA'.

Evidence · table

“MAP048”

Context: MAP048

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”
MAP054Anzá · goldGrade: 2.96Grade Unit: g/tIntercept: 18 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MAP054
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
2.96
Grade Unit
g/t
Intercept
18 m
From
41 m
To
59 m
Intercept Depth
41 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP054:41-59
Mining Method
underground

Location

Location
APTA
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This historical intercept shows good gold mineralization. The grade (2.96 g/t Au) is exceptional, and the GT product (53.28 g/t*m) is moderate. Its historical nature reduces novelty.

Positive factors

  • Good grade (2.96 g/t Au) over a moderate width (18m) for an epithermal deposit.

Negative factors

  • This is historical data, reducing its novelty.
  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: This intercept is explicitly listed under 'Previous historical intersections, APTA'.

Evidence · table

“MAP054”

Context: MAP054

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”
MAP054Anzá · goldGrade: 4.36Grade Unit: g/tIntercept: 13 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MAP054
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
4.36
Grade Unit
g/t
Intercept
13 m
From
97 m
To
110 m
Intercept Depth
97 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP054:97-110
Mining Method
underground

Location

Location
APTA
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This historical intercept shows strong gold mineralization. The grade (4.36 g/t Au) is exceptional, and the GT product (56.68 g/t*m) is moderate. Its historical nature reduces novelty.

Positive factors

  • Strong grade (4.36 g/t Au) over a moderate width (13m) for an epithermal deposit.

Negative factors

  • This is historical data, reducing its novelty.
  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: This intercept is explicitly listed under 'Previous historical intersections, APTA'.

Evidence · table

“MAP054”

Context: MAP054

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”
MAP054Anzá · goldGrade: 17.76Grade Unit: g/tIntercept: 5 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MAP054
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
17.76
Grade Unit
g/t
Intercept
5 m
From
144 m
To
149 m
Intercept Depth
144 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP054:144-149
Mining Method
underground

Location

Location
APTA
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This historical intercept shows very high-grade gold mineralization. The grade (17.76 g/t Au) is exceptional, and the GT product (88.8 g/t*m) is moderate. Its historical nature reduces novelty.

Positive factors

  • Very high-grade intercept (17.76 g/t Au) over a narrow width (5m) for an epithermal deposit.

Negative factors

  • This is historical data, reducing its novelty.
  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: Exceptionally high-grade zone, well above the deposit-type norm (17.76 g/t Au vs 5 g/t exceptional threshold for epithermal gold).

Evidence · table

“17.76”

Context: 5

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: This intercept is explicitly listed under 'Previous historical intersections, APTA'.

Evidence · table

“MAP054”

Context: MAP054

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”
MAP055Anzá · goldGrade: 4.89Grade Unit: g/tIntercept: 14 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MAP055
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
4.89
Grade Unit
g/t
Intercept
14 m
From
177 m
To
190 m
Intercept Depth
177 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP055:177-190
Mining Method
underground

Location

Location
APTA
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This historical intercept shows strong gold mineralization. The grade (4.89 g/t Au) is exceptional, and the GT product (68.46 g/t*m) is moderate. Its historical nature reduces novelty.

Positive factors

  • Strong grade (4.89 g/t Au) over a moderate width (14m) for an epithermal deposit.

Negative factors

  • This is historical data, reducing its novelty.
  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: This intercept is explicitly listed under 'Previous historical intersections, APTA'.

Evidence · table

“MAP055”

Context: MAP055

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”
MAP060Anzá · goldGrade: 4.86Grade Unit: g/tIntercept: 25 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MAP060
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
4.86
Grade Unit
g/t
Intercept
25 m
From
222 m
To
247 m
Intercept Depth
222 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP060:222-247
Mining Method
underground

Location

Location
APTA
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This historical intercept shows strong gold mineralization. The grade (4.86 g/t Au) is exceptional, and the GT product (121.5 g/t*m) is strong. Its historical nature reduces novelty.

Positive factors

  • Strong grade (4.86 g/t Au) over a significant width (25m) for an epithermal deposit.

Negative factors

  • This is historical data, reducing its novelty.
  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: This intercept is explicitly listed under 'Previous historical intersections, APTA'.

Evidence · table

“MAP060”

Context: MAP060

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”
MAP062Anzá · goldGrade: 5Grade Unit: g/tIntercept: 23 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MAP062
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
5
Grade Unit
g/t
Intercept
23 m
From
217 m
To
240 m
Intercept Depth
217 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP062:217-240
Mining Method
underground

Location

Location
APTA
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This historical intercept shows exceptional gold mineralization. The grade (5.0 g/t Au) is exceptional, and the GT product (115 g/t*m) is strong. Its historical nature reduces novelty.

Positive factors

  • Exceptional grade (5.0 g/t Au) over a good width (23m) for an epithermal deposit.

Negative factors

  • This is historical data, reducing its novelty.
  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: Exceptionally high-grade zone, well above the deposit-type norm (5 g/t Au vs 5 g/t exceptional threshold for epithermal gold).

Evidence · table

“5”

Context: 23

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: This intercept is explicitly listed under 'Previous historical intersections, APTA'.

Evidence · table

“MAP062”

Context: MAP062

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”
MAP070Anzá · goldGrade: 5.28Grade Unit: g/tIntercept: 12 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MAP070
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
5.28
Grade Unit
g/t
Intercept
12 m
From
221 m
To
233 m
Intercept Depth
221 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP070:221-233
Mining Method
underground

Location

Location
APTA
Easting
400088
Northing
694745
CRS
WGS84, UTM Zone 18
EPSG
32618
Elevation
1075 m
Azimuth
293 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This historical intercept shows exceptional gold mineralization. The grade (5.28 g/t Au) is exceptional, and the GT product (63.36 g/t*m) is moderate. Its historical nature reduces novelty.

Positive factors

  • Exceptional grade (5.28 g/t Au) over a moderate width (12m) for an epithermal deposit.

Negative factors

  • This is historical data, reducing its novelty.
  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: Exceptionally high-grade zone, well above the deposit-type norm (5.28 g/t Au vs 5 g/t exceptional threshold for epithermal gold).

Evidence · table

“5.28”

Context: 12

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: This intercept is explicitly listed under 'Previous historical intersections, APTA'.

Evidence · table

“MAP070”

Context: MAP070

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”
MAP070Anzá · goldGrade: 5.02Grade Unit: g/tIntercept: 14 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MAP070
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
5.02
Grade Unit
g/t
Intercept
14 m
From
284 m
To
298 m
Intercept Depth
284 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP070:284-298
Mining Method
underground

Location

Location
APTA
Easting
400088
Northing
694745
CRS
WGS84, UTM Zone 18
EPSG
32618
Elevation
1075 m
Azimuth
293 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This historical intercept shows exceptional gold mineralization. The grade (5.02 g/t Au) is exceptional, and the GT product (70.28 g/t*m) is moderate. Its historical nature reduces novelty.

Positive factors

  • Exceptional grade (5.02 g/t Au) over a moderate width (14m) for an epithermal deposit.

Negative factors

  • This is historical data, reducing its novelty.
  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: Exceptionally high-grade zone, well above the deposit-type norm (5.02 g/t Au vs 5 g/t exceptional threshold for epithermal gold).

Evidence · table

“5.02”

Context: 14

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: This intercept is explicitly listed under 'Previous historical intersections, APTA'.

Evidence · table

“MAP070”

Context: MAP070

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”
MAP072Anzá · goldGrade: 3.53Grade Unit: g/tIntercept: 71 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MAP072
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
3.53
Grade Unit
g/t
Intercept
71 m
From
184 m
To
255 m
Intercept Depth
184 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP072:184-255
Mining Method
underground

Location

Location
APTA
Easting
400088
Northing
694745
CRS
WGS84, UTM Zone 18
EPSG
32618
Elevation
1075 m
Azimuth
293 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This historical intercept shows strong gold mineralization over a very wide interval. The grade (3.53 g/t Au) is exceptional, and the GT product (250.63 g/t*m) is strong. Its historical nature reduces novelty.

Positive factors

  • Strong grade (3.53 g/t Au) over a very significant width (71m) for an epithermal deposit.

Negative factors

  • This is historical data, reducing its novelty.
  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: This intercept is explicitly listed under 'Previous historical intersections, APTA'.

Evidence · table

“MAP072”

Context: MAP072

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”
MAP073Anzá · goldGrade: 6.02Grade Unit: g/tIntercept: 22 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MAP073
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
6.02
Grade Unit
g/t
Intercept
22 m
From
271 m
To
293 m
Intercept Depth
271 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP073:271-293
Mining Method
underground

Location

Location
APTA
Easting
400018
Northing
694503
CRS
WGS84, UTM Zone 18
EPSG
32618
Elevation
1097 m
Azimuth
295 °
Dip
-58 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This historical intercept shows exceptional gold mineralization. The grade (6.02 g/t Au) is exceptional, and the GT product (132.44 g/t*m) is strong. Its historical nature reduces novelty.

Positive factors

  • Exceptional grade (6.02 g/t Au) over a good width (22m) for an epithermal deposit.

Negative factors

  • This is historical data, reducing its novelty.
  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: Exceptionally high-grade zone, well above the deposit-type norm (6.02 g/t Au vs 5 g/t exceptional threshold for epithermal gold).

Evidence · table

“6.02”

Context: 22

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: This intercept is explicitly listed under 'Previous historical intersections, APTA'.

Evidence · table

“MAP073”

Context: MAP073

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”
MAP076Anzá · goldGrade: 5.39Grade Unit: g/tIntercept: 12 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MAP076
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
5.39
Grade Unit
g/t
Intercept
12 m
From
228 m
To
240 m
Intercept Depth
228 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP076:228-240
Mining Method
underground

Location

Location
APTA
Easting
400019
Northing
694527
CRS
WGS84, UTM Zone 18
EPSG
32618
Elevation
1107 m
Azimuth
295 °
Dip
-50 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This historical intercept shows exceptional gold mineralization. The grade (5.39 g/t Au) is exceptional, and the GT product (64.68 g/t*m) is moderate. Its historical nature reduces novelty.

Positive factors

  • Exceptional grade (5.39 g/t Au) over a moderate width (12m) for an epithermal deposit.

Negative factors

  • This is historical data, reducing its novelty.
  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: Exceptionally high-grade zone, well above the deposit-type norm (5.39 g/t Au vs 5 g/t exceptional threshold for epithermal gold).

Evidence · table

“5.39”

Context: 12

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: This intercept is explicitly listed under 'Previous historical intersections, APTA'.

Evidence · table

“MAP076”

Context: MAP076

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”
MAP079Anzá · goldGrade: 17.4Grade Unit: g/tIntercept: 23 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MAP079
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
17.4
Grade Unit
g/t
Intercept
23 m
From
271 m
To
294 m
Intercept Depth
271 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP079:271-294
Mining Method
underground

Location

Location
APTA
Easting
399995
Northing
693976
CRS
WGS84, UTM Zone 18
EPSG
32618
Elevation
960 m
Azimuth
295 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This historical intercept shows exceptional high-grade gold mineralization. The grade (17.40 g/t Au) is exceptional, and the GT product (400.2 g/t*m) is exceptional. Its historical nature reduces novelty.

Positive factors

  • Exceptional high-grade intercept (17.40 g/t Au) over a good width (23m) for an epithermal deposit.

Negative factors

  • This is historical data, reducing its novelty.
  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: Exceptionally high-grade zone, well above the deposit-type norm (17.40 g/t Au vs 5 g/t exceptional threshold for epithermal gold).

Evidence · table

“17.40”

Context: 23

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: This intercept is explicitly listed under 'Previous historical intersections, APTA'.

Evidence · table

“MAP079”

Context: MAP079

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”
MAP082Anzá · goldGrade: 2.5Grade Unit: g/tIntercept: 29 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MAP082
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
2.5
Grade Unit
g/t
Intercept
29 m
From
227 m
To
256 m
Intercept Depth
227 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP082:227-256
Mining Method
underground

Location

Location
APTA
Easting
400176
Northing
694797
CRS
WGS84, UTM Zone 18
EPSG
32618
Elevation
1020 m
Azimuth
296 °
Dip
-50 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This historical intercept shows good gold mineralization. The grade (2.5 g/t Au) is strong, and the GT product (72.5 g/t*m) is moderate. Its historical nature reduces novelty.

Positive factors

  • Good grade (2.5 g/t Au) over a significant width (29m) for an epithermal deposit.

Negative factors

  • This is historical data, reducing its novelty.
  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: This intercept is explicitly listed under 'Previous historical intersections, APTA'.

Evidence · table

“MAP082”

Context: MAP082

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”
MAP086Anzá · goldGrade: 6.12Grade Unit: g/tIntercept: 4 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MAP086
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
6.12
Grade Unit
g/t
Intercept
4 m
From
179 m
To
183 m
Intercept Depth
179 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP086:179-183
Mining Method
underground

Location

Location
APTA
Easting
400067
Northing
694360
CRS
WGS84, UTM Zone 18
EPSG
32618
Elevation
1068 m
Azimuth
295 °
Dip
-54 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This historical intercept shows exceptional gold mineralization over a narrow width. The grade (6.12 g/t Au) is exceptional, and the GT product (24.48 g/t*m) is weak. Its historical nature reduces novelty.

Positive factors

  • Exceptional grade (6.12 g/t Au) over a narrow width (4m) for an epithermal deposit.

Negative factors

  • This is historical data, reducing its novelty.
  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: Exceptionally high-grade zone, well above the deposit-type norm (6.12 g/t Au vs 5 g/t exceptional threshold for epithermal gold).

Evidence · table

“6.12”

Context: 4

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: This intercept is explicitly listed under 'Previous historical intersections, APTA'.

Evidence · table

“MAP086”

Context: MAP086

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”
MAP086Anzá · goldGrade: 2.85Grade Unit: g/tIntercept: 19 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MAP086
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
2.85
Grade Unit
g/t
Intercept
19 m
From
215 m
To
234 m
Intercept Depth
215 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP086:215-234
Mining Method
underground

Location

Location
APTA
Easting
400067
Northing
694360
CRS
WGS84, UTM Zone 18
EPSG
32618
Elevation
1068 m
Azimuth
295 °
Dip
-54 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This historical intercept shows good gold mineralization. The grade (2.85 g/t Au) is exceptional, and the GT product (54.15 g/t*m) is moderate. Its historical nature reduces novelty.

Positive factors

  • Good grade (2.85 g/t Au) over a moderate width (19m) for an epithermal deposit.

Negative factors

  • This is historical data, reducing its novelty.
  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: This intercept is explicitly listed under 'Previous historical intersections, APTA'.

Evidence · table

“MAP086”

Context: MAP086

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”
MAP089Anzá · goldGrade: 9.61Grade Unit: g/tIntercept: 59 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MAP089
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
9.61
Grade Unit
g/t
Intercept
59 m
From
275 m
To
334 m
Intercept Depth
275 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP089:275-334
Mining Method
underground

Location

Location
APTA
Easting
400067
Northing
694360
CRS
WGS84, UTM Zone 18
EPSG
32618
Elevation
1068 m
Azimuth
317 °
Dip
-59 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This historical intercept shows exceptional high-grade gold mineralization over a very wide interval. The grade (9.61 g/t Au) is exceptional, and the GT product (566.99 g/t*m) is exceptional. Its historical nature reduces novelty.

Positive factors

  • Exceptional high-grade intercept (9.61 g/t Au) over a very significant width (59m) for an epithermal deposit.

Negative factors

  • This is historical data, reducing its novelty.
  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: Exceptionally high-grade zone, well above the deposit-type norm (9.61 g/t Au vs 5 g/t exceptional threshold for epithermal gold).

Evidence · table

“9.61”

Context: 59

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: This intercept is explicitly listed under 'Previous historical intersections, APTA'.

Evidence · table

“MAP089”

Context: MAP089

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”
MAP090Anzá · goldGrade: 9.91Grade Unit: g/tIntercept: 6 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MAP090
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
9.91
Grade Unit
g/t
Intercept
6 m
From
180 m
To
186 m
Intercept Depth
180 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP090:180-186
Mining Method
underground

Location

Location
APTA
Easting
400041
Northing
694630
CRS
WGS84, UTM Zone 18
EPSG
32618
Elevation
1059 m
Azimuth
296 °
Dip
-56 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This historical intercept shows exceptional high-grade gold mineralization. The grade (9.91 g/t Au) is exceptional, and the GT product (59.46 g/t*m) is moderate. Its historical nature reduces novelty.

Positive factors

  • Exceptional high-grade intercept (9.91 g/t Au) over a narrow width (6m) for an epithermal deposit.

Negative factors

  • This is historical data, reducing its novelty.
  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: Exceptionally high-grade zone, well above the deposit-type norm (9.91 g/t Au vs 5 g/t exceptional threshold for epithermal gold).

Evidence · table

“9.91”

Context: 6

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: This intercept is explicitly listed under 'Previous historical intersections, APTA'.

Evidence · table

“MAP090”

Context: MAP090

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”
MAP091Anzá · goldGrade: 2.05Grade Unit: g/tIntercept: 62 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MAP091
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
2.05
Grade Unit
g/t
Intercept
62 m
From
222 m
To
284 m
Intercept Depth
222 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP091:222-284
Mining Method
underground

Location

Location
APTA
Easting
400060
Northing
694715
CRS
WGS84, UTM Zone 18
EPSG
32618
Elevation
1089 m
Azimuth
295 °
Dip
-50 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This historical intercept shows strong gold mineralization over a very wide interval. The grade (2.05 g/t Au) is strong, and the GT product (127.1 g/t*m) is strong. Its historical nature reduces novelty.

Positive factors

  • Strong grade (2.05 g/t Au) over a very significant width (62m) for an epithermal deposit.

Negative factors

  • This is historical data, reducing its novelty.
  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: This intercept is explicitly listed under 'Previous historical intersections, APTA'.

Evidence · table

“MAP091”

Context: MAP091

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”
MAP106Anzá · goldGrade: 0.88Grade Unit: g/tIntercept: 229.7 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MAP106
Project
Anzá
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
OMI

Geometry

Grade
0.88
Grade Unit
g/t
Intercept
229.7 m
From
189.5 m
To
419.2 m
Intercept Depth
189.5 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
MAP106:189.5-419.2
Mining Method
underground

Location

Location
APTA
Easting
403384
Northing
705000
CRS
WGS84, UTM Zone 18
EPSG
32618
Elevation
1001 m
Azimuth
150 °
Dip
-50 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Actlabs
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Compositing

Cutoff Grade
0.1
Cutoff Unit
g/t Au
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-07-14T00:00:00.000Z

Reasoning: This historical intercept shows broad, moderate-grade gold mineralization. The grade (0.88 g/t Au) is moderate, and the GT product (202.136 g/t*m) is strong. Its historical nature reduces novelty.

Positive factors

  • Very long intercept length (229.7m) for an epithermal deposit, indicating broad mineralization.

Negative factors

  • This is historical data, reducing its novelty.
  • Grade (0.88 g/t Au) is moderate, below the strong threshold for epithermal gold.
  • True width is unknown, which may overstate the actual thickness.

Tags used in scoring

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Evidence · text

“Intersections are quoted as downhole thicknesses. True thicknesses are unknown.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Evidence · text

“Gold intersections are reported using a lower cut-off of 0.1g/t Au over 3m.”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: This intercept is explicitly listed under 'Previous historical intersections, APTA'.

Evidence · table

“MAP106”

Context: MAP106

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Anzá Project APTA The APTA prospect in the centre of the Project area has over 39,000m of drilling by various companies "

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

QA/QC DisclosedRejected · positive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Reason: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Evidence · text

“Orosur Mining Inc. staff follow standard operating and quality assurance procedures to ensure that sampling techniques and sample results meet international reporting standards. Drill core is split in half over widths that vary between 0.3m and 2m, depending upon the geological domain. One half is kept on site in the Minera Anzá core storage facility. Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs). Samples are sent to Medellin laboratory of Actlabs for preparation and fire assay, with some sample then sent to the Canadian Actlabs facility for multi element assay 30 gram nominal nominal weight samples are then subject to fire assay and AAS analysis for gold with gravimetric re-finish for overlimit assays of >5 g/t. ICP-MS Ultra-Trace level multi-element four-acid digest analyses may also undertaken for such elements as silver, copper, lead and zinc, etc.”

How Atlas produces this analysis

Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.