Pinnacle Reopens Additional Historic Mine Workings at El Potrero and Samples up to 26.1 g/t Au and 511 g/t Ag
Original announcement by tmx on
- Company
- Pinnacle Silver and Gold Corp.
- Ticker
- PINN
- Exchange
- TSX
- Region
- Durango, Mexico
- Primary commodity
- Gold
- Secondary commodities
- Silver
- Document categories
- Drill results, Other
- Extracted
- 2026-08-20 18:59:33 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Pinnacle Silver and Gold Corp. has reported high-grade gold and silver channel samples from newly accessible historic mine workings at the El Potrero project in Mexico. The results, including up to 26.1 g/t Au and 511 g/t Ag, demonstrate significant mineralization continuity and support upcoming surface drilling programs.
Reasoning: High-grade gold and silver channel samples from newly opened historic workings demonstrate significant vertical and strike continuity in a low-sulphidation epithermal system.
Positive factors
- high-grade intercepts
- vertical continuity demonstrated
- QA/QC disclosed
- epithermal deposit type
Negative factors
- channel sampling is limited to accessible workings
Facts used in scoring: 6
Classification and evidence
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: 26.1 g/t Au and 511 g/t Ag significantly exceeds deposit-type norms.
Evidence · text
“including 26.1 g/t Au and 511 g/t Ag over 0.50 metres”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: Release details certified reference materials, blanks, and ISO 17025 accredited lab (SGS).
Evidence · text
“The lab is accredited to ISO/IEC 17025:2017.”
Extracted facts
Stored fact records: 6. Some facts used in scoring do not have a stored record.
Drill Results (6)
Fact 1El Potrero · goldGrade: 10.76Grade Unit: g/tIntercept: 1.3 mView all detailsHide details
Identity
- Project
- El Potrero
- Commodity
- gold
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 10.76
- Grade Unit
- g/t
- Intercept
- 1.3 m
Classification
- Sample Type
- channel
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-08-04T00:00:00.000Z
Reasoning: 10.76 g/t Au over 1.3m is a strong intercept for an epithermal system.
Positive factors
- strong grade for epithermal
Evidence · text
“assays up to 10.76 g/t Au and 215 g/t Ag over 1.3 metres”
Fact 2El Potrero · silverGrade: 215Grade Unit: g/tIntercept: 1.3 mView all detailsHide details
Identity
- Project
- El Potrero
- Commodity
- silver
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 215
- Grade Unit
- g/t
- Intercept
- 1.3 m
Classification
- Sample Type
- channel
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-08-04T00:00:00.000Z
Reasoning: 215 g/t Ag accompanies high gold grades in the same interval.
Positive factors
- strong silver grade
Evidence · text
“assays up to 10.76 g/t Au and 215 g/t Ag over 1.3 metres”
Fact 3El Potrero · goldGrade: 26.1Grade Unit: g/tIntercept: 0.5 mView all detailsHide details
Identity
- Project
- El Potrero
- Commodity
- gold
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 26.1
- Grade Unit
- g/t
- Intercept
- 0.5 m
Classification
- Sample Type
- channel
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-08-04T00:00:00.000Z
Reasoning: 26.1 g/t Au is an exceptional grade for this deposit type.
Positive factors
- bonanza grade
Evidence · text
“including 26.1 g/t Au and 511 g/t Ag over 0.50 metres”
Fact 4El Potrero · silverGrade: 511Grade Unit: g/tIntercept: 0.5 mView all detailsHide details
Identity
- Project
- El Potrero
- Commodity
- silver
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 511
- Grade Unit
- g/t
- Intercept
- 0.5 m
Classification
- Sample Type
- channel
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-08-04T00:00:00.000Z
Reasoning: 511 g/t Ag is an exceptional grade for this deposit type.
Positive factors
- bonanza grade
Evidence · text
“including 26.1 g/t Au and 511 g/t Ag over 0.50 metres”
Fact 5El Potrero · goldGrade: 5.41Grade Unit: g/tIntercept: 0.8 mView all detailsHide details
Identity
- Project
- El Potrero
- Commodity
- gold
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 5.41
- Grade Unit
- g/t
- Intercept
- 0.8 m
Classification
- Sample Type
- channel
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-08-04T00:00:00.000Z
Reasoning: 5.41 g/t Au is a moderate grade intercept.
Positive factors
- moderate grade
Evidence · text
“5.41 g/t Au and 230 g/t Ag over 0.80 metres in the South Raise”
Fact 6El Potrero · silverGrade: 230Grade Unit: g/tIntercept: 0.8 mView all detailsHide details
Identity
- Project
- El Potrero
- Commodity
- silver
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 230
- Grade Unit
- g/t
- Intercept
- 0.8 m
Classification
- Sample Type
- channel
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-08-04T00:00:00.000Z
Reasoning: 230 g/t Ag accompanies moderate gold grades.
Positive factors
- moderate grade
Evidence · text
“5.41 g/t Au and 230 g/t Ag over 0.80 metres in the South Raise”
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.