Tier One Silver Reports Channel Sampling Results; Extends the Cambaya Target Area of Highly Prospective Silver Targets

Original announcement by tmx on

Company
Tier One Silver Inc.
Ticker
TSLV
Exchange
TSX
Region
Peru
Primary commodity
Silver
Secondary commodities
Gold, Copper
Document categories
Drill results, Other
Extracted
2026-09-17 03:36:54 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Tier One Silver reported new channel sampling results from the Cambaya I and II corridors at the Curibaya project in Peru. The results include high-grade silver intercepts of up to 8,950 g/t Ag and expand the target area width by 350m, supporting an epithermal system model.

Reasoning: The release reports high-grade silver channel samples that extend the known width of the Cambaya target area, supporting the epithermal model.

Positive factors

  • High-grade silver intercepts (8,950 g/t Ag)
  • Expansion of target area by 350m in width
  • Presence of epithermal indicators (colloform textures, arsenic anomalies)
  • Successful delineation of new drill targets

Negative factors

  • Channel sampling is a surface method and does not confirm depth or continuity of orebody

Facts used in scoring: 7

Classification and evidence

Bonanza Interceptpositive

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

Why it applies: 8,950 g/t Ag is exceptionally high for an epithermal silver system.

Evidence · text

“grades up to 8,950 g/t Ag”

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: Channel samples expanded the target area by 350m in width.

Evidence · text

“expand our target area by 350m in width”

QA/QC Disclosedpositive

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

Why it applies: Release mentions use of internal standards, blanks, and field/lab duplicates.

Evidence · text

“QA/QC programs... using internal standard and blank samples; field and lab duplicates indicate good overall accuracy and precision.”

Deleterious Elements Presentnegative

A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.

Why it applies: High arsenic anomalies (>100ppm) are noted.

Evidence · text

“high arsenic anomalies (>100ppm)”

Extracted facts

Stored fact records: 7. Some facts used in scoring do not have a stored record.

Drill Results (7)

Fact 1Curibaya · silverGrade: 8950Grade Unit: g/tView all details
Link to this fact

Identity

Project
Curibaya
Commodity
silver
Region
peru
Reported Region
peru
Ticker
TSLV

Geometry

Grade
8950
Grade Unit
g/t

Classification

Sample Type
surface

Location

Location
Cambaya
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2024-10-21T00:00:00.000Z

Reasoning: Extremely high grade silver intercept from channel sampling.

Positive factors

  • Exceptional grade

Evidence · text

“grades up to 8,950 g/t Ag”

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Fact 2Curibaya · goldGrade: 4.13Grade Unit: g/tView all details
Link to this fact

Identity

Project
Curibaya
Commodity
gold
Region
peru
Reported Region
peru
Ticker
TSLV

Geometry

Grade
4.13
Grade Unit
g/t

Classification

Sample Type
surface

Location

Location
Cambaya
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2024-10-21T00:00:00.000Z

Reasoning: High grade gold intercept reported alongside silver.

Positive factors

  • Strong gold grade accompanying silver

Evidence · text

“up to 8,950 g/t Ag and 4.13 g/t Au”

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Fact 3Curibaya · silverGrade: 242.7Grade Unit: g/tIntercept: 20 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Curibaya
Commodity
silver
Region
peru
Reported Region
peru
Ticker
TSLV

Geometry

Grade
242.7
Grade Unit
g/t
Intercept
20 m

Classification

Sample Type
surface

Location

Location
Cambaya
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2022-09-26T00:00:00.000Z

Dates

Event date
2024-10-21T00:00:00.000Z

Reasoning: Historical channel sample result cited for comparison.

Positive factors

  • Significant width and grade

Evidence · text

“20 meters of 242.7 g/t Ag and 0.71 g/t Au in channel sample 21CRT-55”

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

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

Why it applies: the fact restates a prior release

Fact 4Curibaya · goldGrade: 0.71Grade Unit: g/tIntercept: 20 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Curibaya
Commodity
gold
Region
peru
Reported Region
peru
Ticker
TSLV

Geometry

Grade
0.71
Grade Unit
g/t
Intercept
20 m

Classification

Sample Type
surface

Location

Location
Cambaya
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2022-09-26T00:00:00.000Z

Dates

Event date
2024-10-21T00:00:00.000Z

Reasoning: Historical gold grade from previous sampling.

Evidence · text

“20 meters of 242.7 g/t Ag and 0.71 g/t Au in channel sample 21CRT-55”

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

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

Why it applies: the fact restates a prior release

Fact 5Curibaya · silverGrade: 1360Grade Unit: g/tView all details
Link to this fact

Identity

Project
Curibaya
Commodity
silver
Region
peru
Reported Region
peru
Ticker
TSLV

Geometry

Grade
1360
Grade Unit
g/t

Classification

Sample Type
surface

Location

Location
Polymictic Breccia target
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2024-10-21T00:00:00.000Z

Reasoning: High grade silver fragments found in a specific target area.

Positive factors

  • High grade fragments

Evidence · text

“Polymictic Breccia target containing high-grade fragments with values up to 1,360 g/t Ag”

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Fact 6Curibaya · goldGrade: 42.2Grade Unit: g/tView all details
Link to this fact

Identity

Project
Curibaya
Commodity
gold
Region
peru
Reported Region
peru
Ticker
TSLV

Geometry

Grade
42.2
Grade Unit
g/t

Classification

Sample Type
surface

Location

Location
Polymictic Breccia target
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2024-10-21T00:00:00.000Z

Reasoning: High grade gold fragments found in a specific target area.

Positive factors

  • Very high grade gold

Evidence · text

“Polymictic Breccia target containing high-grade fragments with values up to 1,360 g/t Ag, 42.20 Au”

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Fact 7Curibaya · copperGrade: 6.12Grade Unit: %View all details
Link to this fact

Identity

Project
Curibaya
Commodity
copper
Region
peru
Reported Region
peru
Ticker
TSLV

Geometry

Grade
6.12
Grade Unit
%

Classification

Sample Type
surface

Location

Location
Polymictic Breccia target
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2024-10-21T00:00:00.000Z

Reasoning: High grade copper fragments found in a specific target area.

Positive factors

  • High grade copper fragments

Evidence · text

“Polymictic Breccia target containing high-grade fragments with values up to 1,360 g/t Ag, 42.20 Au and 6.12% Cu”

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

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.