# Orosur Mining Inc Announces Extension of Pepas West

Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/orosur-mining-inc-announces-extension-of-pepas-west--2cca8115-1139-41f4-933c-0f6efa889b7b

Original source: https://money.tmx.com/en/quote/OMI/news/8289902699866613/orosur-mining-inc-announces-extension-of-pepas-west

Publisher: tmx

Original announcement: 2026-08-05T06:00:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: Orosur Mining Inc

- Ticker: OMI

- Exchange: TSX

- Region: Colombia

- Primary commodity: Gold

- Secondary commodities: None reported

- Document categories: Drill results

- Extracted: 2026-09-18 14:37:35 UTC

Narrative sentiment: 0.70 · Bullish

## Minestarters Atlas summary

Orosur Mining Inc. announced new drill results from six holes at its Pepas West prospect in Colombia, extending shallow, high-grade gold mineralization. Key intercepts include 10.2m at 5.77 g/t Au from surface, including 2.45m at 22.3 g/t Au. The company plans to test different drilling techniques to accelerate definition of this extensive, flat-lying, surficial oxide gold zone, which is considered a high priority for near-term production due to its free-digging potential.

Reasoning: The document reports high-grade, shallow gold drill intercepts from the Pepas West prospect, extending mineralization and highlighting potential for low-cost, free-digging ounces. While geological complexity and unknown true widths introduce some uncertainty, the overall results are positive, supported by disclosed QA/QC.

- Positive factor: High-grade gold intercepts, including 22.3 g/t Au over 2.45m, indicating bonanza grades.

- Positive factor: Shallow, near-surface mineralization \(from surface\) suggests potential for low-cost, free-digging mining.

- Positive factor: Extension of mineralization 100m west of the main Pepas deposit, demonstrating exploration success.

- Positive factor: Comprehensive QA/QC procedures disclosed, including certified labs and QP sign-off.

- Positive factor: Clear reporting of cut-off grade for intersections.

- Negative factor: True thickness of intercepts is unknown, which may overstate actual widths.

- Negative factor: Geological complexity noted, with potential for remobilized and weathered material, which could impact continuity and processing.

- Negative factor: Deeper zones remain unresolved, limiting understanding of the full extent of mineralization.

Low confidence — this extraction should be reviewed alongside the original source.

Facts used in scoring: 11

## Classification and evidence

No classification tags are available.

## Extracted facts

Stored fact records: 11. Some facts used in scoring do not have a stored record.

## Drill Results (11)

### PEP100

[Link to this fact](https://atlas-extractions.minestarters.com/news/orosur-mining-inc-announces-extension-of-pepas-west--2cca8115-1139-41f4-933c-0f6efa889b7b#fact-drill-facts-0)

Anzá · gold

#### Identity

- Hole ID: PEP100
- Project: Anzá
- Commodity: gold
- Region: colombia
- Reported Region: colombia
- Ticker: OMI

#### Geometry

- Grade: 0.65
- Grade Unit: g/t
- Intercept: 6 m
- From: 18.15 m
- To: 24.15 m
- Intercept Depth: 18.15 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: PEP100:18.15-24.15
- Mining Method: open\_pit

#### Location

- Location: Pepas West
- Easting: 403210
- Northing: 704940
- CRS: WGS84, UTM Zone 18
- Elevation: 965 m
- Azimuth: 82 °
- Dip: -45 °
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Colombia Ltd and Actlabs
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Compositing

- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-05T00:00:00.000Z

Reasoning: This intercept shows moderate grade and weak GT product, but contributes to the extension of mineralization in a new zone with disclosed QA/QC, though true width is unknown.

- Positive factor: Intercept from a new zone of mineralization, indicating exploration success.

- Positive factor: QA/QC procedures disclosed, enhancing data reliability.

- Positive factor: Clear reporting of cut-off grade.

- Negative factor: Grade of 0.65 g/t Au is moderate for an epithermal open pit gold deposit.

- Negative factor: GT product of 3.9 g/t\*m is weak.

- Negative factor: True thickness is unknown, potentially overstating the intercept length.

Evidence · table

> 0.65

Context: 6

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

### PEP101

[Link to this fact](https://atlas-extractions.minestarters.com/news/orosur-mining-inc-announces-extension-of-pepas-west--2cca8115-1139-41f4-933c-0f6efa889b7b#fact-drill-facts-1)

Anzá · gold

#### Identity

- Hole ID: PEP101
- Project: Anzá
- Commodity: gold
- Region: colombia
- Reported Region: colombia
- Ticker: OMI

#### Geometry

- Grade: 2.81
- Grade Unit: g/t
- Intercept: 6.4 m
- From: 0 m
- To: 6.4 m
- Intercept Depth: 0 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: PEP101:0-6.4
- Mining Method: open\_pit

#### Location

- Location: Pepas West
- Easting: 403274
- Northing: 704916
- CRS: WGS84, UTM Zone 18
- Elevation: 973 m
- Azimuth: 35 °
- Dip: -55 °
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Colombia Ltd and Actlabs
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Compositing

- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-05T00:00:00.000Z

Reasoning: This intercept shows a strong gold grade from surface, contributing to the extension of mineralization, though the GT product is weak and true width is unknown.

- Positive factor: Strong gold grade of 2.81 g/t Au for an epithermal open pit deposit.

- Positive factor: Intercept starts from surface, indicating potential for low-cost mining.

- Positive factor: QA/QC procedures disclosed, enhancing data reliability.

- Positive factor: Clear reporting of cut-off grade.

- Negative factor: GT product of 17.984 g/t\*m is weak.

- Negative factor: True thickness is unknown, potentially overstating the intercept length.

Evidence · table

> 2.81

Context: 6.4

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

### PEP101

[Link to this fact](https://atlas-extractions.minestarters.com/news/orosur-mining-inc-announces-extension-of-pepas-west--2cca8115-1139-41f4-933c-0f6efa889b7b#fact-drill-facts-2)

Anzá · gold

#### Identity

- Hole ID: PEP101
- Project: Anzá
- Commodity: gold
- Region: colombia
- Reported Region: colombia
- Ticker: OMI

#### Geometry

- Grade: 3.83
- Grade Unit: g/t
- Intercept: 4.3 m
- From: 1 m
- To: 5.3 m
- Intercept Depth: 0 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: PEP101:1-5.3
- Mining Method: open\_pit

#### Location

- Location: Pepas West
- Easting: 403274
- Northing: 704916
- CRS: WGS84, UTM Zone 18
- Elevation: 973 m
- Azimuth: 35 °
- Dip: -55 °
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Colombia Ltd and Actlabs
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Compositing

- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-05T00:00:00.000Z

Reasoning: This sub-interval shows a strong gold grade near surface, contributing to the overall positive results, though the GT product is weak and true width is unknown.

- Positive factor: Strong gold grade of 3.83 g/t Au for an epithermal open pit deposit.

- Positive factor: Intercept starts near surface, indicating potential for low-cost mining.

- Positive factor: QA/QC procedures disclosed, enhancing data reliability.

- Positive factor: Clear reporting of cut-off grade.

- Negative factor: GT product of 16.469 g/t\*m is weak.

- Negative factor: True thickness is unknown, potentially overstating the intercept length.

Evidence · table

> 3.83

Context: 4.3

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

### PEP102

[Link to this fact](https://atlas-extractions.minestarters.com/news/orosur-mining-inc-announces-extension-of-pepas-west--2cca8115-1139-41f4-933c-0f6efa889b7b#fact-drill-facts-3)

Anzá · gold

#### Identity

- Hole ID: PEP102
- Project: Anzá
- Commodity: gold
- Region: colombia
- Reported Region: colombia
- Ticker: OMI

#### Geometry

- Grade: 2.18
- Grade Unit: g/t
- Intercept: 6.85 m
- From: 0 m
- To: 6.85 m
- Intercept Depth: 0 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: PEP102:0-6.85
- Mining Method: open\_pit

#### Location

- Location: Pepas West
- Easting: 403343
- Northing: 704863
- CRS: WGS84, UTM Zone 18
- Elevation: 985 m
- Azimuth: 188 °
- Dip: -60 °
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Colombia Ltd and Actlabs
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Compositing

- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-05T00:00:00.000Z

Reasoning: This intercept shows a strong gold grade from surface, contributing to the extension of mineralization, though the GT product is weak and true width is unknown.

- Positive factor: Strong gold grade of 2.18 g/t Au for an epithermal open pit deposit.

- Positive factor: Intercept starts from surface, indicating potential for low-cost mining.

- Positive factor: QA/QC procedures disclosed, enhancing data reliability.

- Positive factor: Clear reporting of cut-off grade.

- Negative factor: GT product of 14.933 g/t\*m is weak.

- Negative factor: True thickness is unknown, potentially overstating the intercept length.

Evidence · table

> 2.18

Context: 6.85

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

### PEP102

[Link to this fact](https://atlas-extractions.minestarters.com/news/orosur-mining-inc-announces-extension-of-pepas-west--2cca8115-1139-41f4-933c-0f6efa889b7b#fact-drill-facts-4)

Anzá · gold

#### Identity

- Hole ID: PEP102
- Project: Anzá
- Commodity: gold
- Region: colombia
- Reported Region: colombia
- Ticker: OMI

#### Geometry

- Grade: 3.24
- Grade Unit: g/t
- Intercept: 4.25 m
- From: 0.9 m
- To: 5.15 m
- Intercept Depth: 0 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: PEP102:0.9-5.15
- Mining Method: open\_pit

#### Location

- Location: Pepas West
- Easting: 403343
- Northing: 704863
- CRS: WGS84, UTM Zone 18
- Elevation: 985 m
- Azimuth: 188 °
- Dip: -60 °
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Colombia Ltd and Actlabs
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Compositing

- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-05T00:00:00.000Z

Reasoning: This sub-interval shows an exceptional gold grade near surface, contributing significantly to the overall positive results, though the GT product is weak and true width is unknown.

- Positive factor: Exceptional gold grade of 3.24 g/t Au for an epithermal open pit deposit.

- Positive factor: Intercept starts near surface, indicating potential for low-cost mining.

- Positive factor: QA/QC procedures disclosed, enhancing data reliability.

- Positive factor: Clear reporting of cut-off grade.

- Negative factor: GT product of 13.77 g/t\*m is weak.

- Negative factor: True thickness is unknown, potentially overstating the intercept length.

Evidence · table

> 3.24

Context: 4.25

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

### PEP103

[Link to this fact](https://atlas-extractions.minestarters.com/news/orosur-mining-inc-announces-extension-of-pepas-west--2cca8115-1139-41f4-933c-0f6efa889b7b#fact-drill-facts-5)

Anzá · gold

#### Identity

- Hole ID: PEP103
- Project: Anzá
- Commodity: gold
- Region: colombia
- Reported Region: colombia
- Ticker: OMI

#### Geometry

- Grade: 5.77
- Grade Unit: g/t
- Intercept: 10.2 m
- From: 0 m
- To: 10.2 m
- Intercept Depth: 0 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: PEP103:0-10.2
- Mining Method: open\_pit

#### Location

- Location: Pepas West
- Easting: 403343
- Northing: 704863
- CRS: WGS84, UTM Zone 18
- Elevation: 985 m
- Azimuth: 8 °
- Dip: -50 °
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Colombia Ltd and Actlabs
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Compositing

- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-05T00:00:00.000Z

Reasoning: This intercept shows exceptional gold grade over a good width from surface, representing a strong result for the project, though true width is unknown.

- Positive factor: Exceptional gold grade of 5.77 g/t Au over a significant width for an epithermal open pit deposit.

- Positive factor: Intercept starts from surface, indicating potential for low-cost mining.

- Positive factor: Moderate GT product of 58.854 g/t\*m.

- Positive factor: QA/QC procedures disclosed, enhancing data reliability.

- Positive factor: Clear reporting of cut-off grade.

- Negative factor: True thickness is unknown, potentially overstating the intercept length.

Evidence · table

> 5.77

Context: 10.20

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

### PEP103

[Link to this fact](https://atlas-extractions.minestarters.com/news/orosur-mining-inc-announces-extension-of-pepas-west--2cca8115-1139-41f4-933c-0f6efa889b7b#fact-drill-facts-6)

Anzá · gold

#### Identity

- Hole ID: PEP103
- Project: Anzá
- Commodity: gold
- Region: colombia
- Reported Region: colombia
- Ticker: OMI

#### Geometry

- Grade: 22.3
- Grade Unit: g/t
- Intercept: 2.45 m
- From: 0 m
- To: 2.45 m
- Intercept Depth: 0 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: PEP103:0-2.45
- Mining Method: open\_pit

#### Location

- Location: Pepas West
- Easting: 403343
- Northing: 704863
- CRS: WGS84, UTM Zone 18
- Elevation: 985 m
- Azimuth: 8 °
- Dip: -50 °
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Colombia Ltd and Actlabs
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Compositing

- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-05T00:00:00.000Z

Reasoning: This sub-interval represents a bonanza gold grade from surface, significantly enhancing the overall positive results for the project, though true width is unknown.

- Positive factor: Bonanza gold grade of 22.3 g/t Au for an epithermal open pit deposit.

- Positive factor: Intercept starts from surface, indicating potential for low-cost mining.

- Positive factor: Moderate GT product of 54.635 g/t\*m.

- Positive factor: QA/QC procedures disclosed, enhancing data reliability.

- Positive factor: Clear reporting of cut-off grade.

- Negative factor: True thickness is unknown, potentially overstating the intercept length.

Evidence · table

> 22.3

Context: 2.45

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

### PEP104

[Link to this fact](https://atlas-extractions.minestarters.com/news/orosur-mining-inc-announces-extension-of-pepas-west--2cca8115-1139-41f4-933c-0f6efa889b7b#fact-drill-facts-7)

Anzá · gold

#### Identity

- Hole ID: PEP104
- Project: Anzá
- Commodity: gold
- Region: colombia
- Reported Region: colombia
- Ticker: OMI

#### Geometry

- Grade: 1.77
- Grade Unit: g/t
- Intercept: 19.8 m
- From: 0 m
- To: 19.8 m
- Intercept Depth: 0 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: PEP104:0-19.8
- Mining Method: open\_pit

#### Location

- Location: Pepas West
- Easting: 403347
- Northing: 704897
- CRS: WGS84, UTM Zone 18
- Elevation: 998 m
- Azimuth: 220 °
- Dip: -50 °
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Colombia Ltd and Actlabs
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Compositing

- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-05T00:00:00.000Z

Reasoning: This intercept shows a moderate gold grade over a significant width from surface, contributing to the overall positive results, though true width is unknown.

- Positive factor: Moderate gold grade of 1.77 g/t Au over a significant width for an epithermal open pit deposit.

- Positive factor: Intercept starts from surface, indicating potential for low-cost mining.

- Positive factor: Moderate GT product of 35.046 g/t\*m.

- Positive factor: QA/QC procedures disclosed, enhancing data reliability.

- Positive factor: Clear reporting of cut-off grade.

- Negative factor: True thickness is unknown, potentially overstating the intercept length.

Evidence · table

> 1.77

Context: 19.8

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

### PEP104

[Link to this fact](https://atlas-extractions.minestarters.com/news/orosur-mining-inc-announces-extension-of-pepas-west--2cca8115-1139-41f4-933c-0f6efa889b7b#fact-drill-facts-8)

Anzá · gold

#### Identity

- Hole ID: PEP104
- Project: Anzá
- Commodity: gold
- Region: colombia
- Reported Region: colombia
- Ticker: OMI

#### Geometry

- Grade: 2.71
- Grade Unit: g/t
- Intercept: 9.85 m
- From: 9 m
- To: 18.85 m
- Intercept Depth: 0 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: PEP104:9-18.85
- Mining Method: open\_pit

#### Location

- Location: Pepas West
- Easting: 403347
- Northing: 704897
- CRS: WGS84, UTM Zone 18
- Elevation: 998 m
- Azimuth: 220 °
- Dip: -50 °
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Colombia Ltd and Actlabs
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Compositing

- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-05T00:00:00.000Z

Reasoning: This sub-interval shows a strong gold grade, contributing to the overall positive results, though the GT product is weak and true width is unknown.

- Positive factor: Strong gold grade of 2.71 g/t Au for an epithermal open pit deposit.

- Positive factor: QA/QC procedures disclosed, enhancing data reliability.

- Positive factor: Clear reporting of cut-off grade.

- Negative factor: GT product of 26.6835 g/t\*m is weak.

- Negative factor: True thickness is unknown, potentially overstating the intercept length.

Evidence · table

> 2.71

Context: 9.85

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

### PEP105

[Link to this fact](https://atlas-extractions.minestarters.com/news/orosur-mining-inc-announces-extension-of-pepas-west--2cca8115-1139-41f4-933c-0f6efa889b7b#fact-drill-facts-9)

Anzá · gold

#### Identity

- Hole ID: PEP105
- Project: Anzá
- Commodity: gold
- Region: colombia
- Reported Region: colombia
- Ticker: OMI

#### Geometry

- Grade: 2.03
- Grade Unit: g/t
- Intercept: 15 m
- From: 0 m
- To: 15 m
- Intercept Depth: 0 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: PEP105:0-15
- Mining Method: open\_pit

#### Location

- Location: Pepas West
- Easting: 403347
- Northing: 704897
- CRS: WGS84, UTM Zone 18
- Elevation: 998 m
- Azimuth: 40 °
- Dip: -75 °
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Colombia Ltd and Actlabs
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Compositing

- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-05T00:00:00.000Z

Reasoning: This intercept shows a strong gold grade over a significant width from surface, contributing to the overall positive results, though true width is unknown.

- Positive factor: Strong gold grade of 2.03 g/t Au over a significant width for an epithermal open pit deposit.

- Positive factor: Intercept starts from surface, indicating potential for low-cost mining.

- Positive factor: Moderate GT product of 30.45 g/t\*m.

- Positive factor: QA/QC procedures disclosed, enhancing data reliability.

- Positive factor: Clear reporting of cut-off grade.

- Negative factor: True thickness is unknown, potentially overstating the intercept length.

Evidence · table

> 2.03

Context: 15

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

### PEP105

[Link to this fact](https://atlas-extractions.minestarters.com/news/orosur-mining-inc-announces-extension-of-pepas-west--2cca8115-1139-41f4-933c-0f6efa889b7b#fact-drill-facts-10)

Anzá · gold

#### Identity

- Hole ID: PEP105
- Project: Anzá
- Commodity: gold
- Region: colombia
- Reported Region: colombia
- Ticker: OMI

#### Geometry

- Grade: 3.24
- Grade Unit: g/t
- Intercept: 5.5 m
- From: 0 m
- To: 5.5 m
- Intercept Depth: 0 m

#### Classification

- Deposit Type: epithermal
- Program: exploration
- Sample Type: drill
- Group ID: PEP105:0-5.5
- Mining Method: open\_pit

#### Location

- Location: Pepas West
- Easting: 403347
- Northing: 704897
- CRS: WGS84, UTM Zone 18
- Elevation: 998 m
- Azimuth: 40 °
- Dip: -75 °
- Loc. Source: document

#### QA/QC

- Laboratory: ALS Colombia Ltd and Actlabs
- QA/QC Disclosed: Yes
- QP Signed: Yes
- QA/QC Methods: standards, blanks

#### Compositing

- Cutoff Grade: 0.3
- Cutoff Unit: g/t Au

#### Review

- Needs Review: No
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2026-08-05T00:00:00.000Z

Reasoning: This sub-interval shows an exceptional gold grade from surface, contributing significantly to the overall positive results, though the GT product is weak and true width is unknown.

- Positive factor: Exceptional gold grade of 3.24 g/t Au for an epithermal open pit deposit.

- Positive factor: Intercept starts from surface, indicating potential for low-cost mining.

- Positive factor: QA/QC procedures disclosed, enhancing data reliability.

- Positive factor: Clear reporting of cut-off grade.

- Negative factor: GT product of 17.82 g/t\*m is weak.

- Negative factor: True thickness is unknown, potentially overstating the intercept length.

Evidence · table

> 3.24

Context: 5.5

#### Tags used in scoring

**QA/QC Disclosed**

Polarity: positive

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

Why it applies: qaqc\_disclosed is true

## 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.
