Pinnacle Confirms High-Grade Mineralization in Underground Drilling at El Potrero with up to 58.2 g/t Au and 631 g/t Ag
Original announcement by investingnews on
- Company
- Pinnacle Silver and Gold Corp.
- Ticker
- PINN
- Exchange
- TSXV
- Region
- Durango, Mexico
- Primary commodity
- Gold
- Secondary commodities
- Silver
- Document categories
- Drill results
- Extracted
- 2026-09-12 01:35:11 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Pinnacle Silver and Gold Corp. has confirmed high-grade gold and silver mineralization at the El Potrero project in Mexico through underground drilling. Notable intercepts include up to 58.2 g/t Au and 631 g/t Ag, demonstrating continuity along the Dos de Mayo vein.
Reasoning: The release reports high-grade gold and silver intercepts that extend previously known mineralization, supported by robust QA/QC disclosures.
Positive factors
- High-grade intercepts
- Strike continuity confirmed
- QA/QC disclosed
- Epithermal deposit type
Negative factors
- Assays pending for several holes
Facts used in scoring: 6
Classification and evidence
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: 58.2 g/t Au and 631 g/t Ag are exceptionally high grades for an epithermal system.
Evidence · text
“returned 58.2 g/t Au and 631 g/t Ag over 0.41 metres”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The release details specific QA/QC procedures, including certified reference materials, blanks, and SGS laboratory accreditation.
Evidence · text
“including inserting certified reference material samples and blank samples into sample batches”
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Drilling confirmed and extended the previously announced mineralization.
Evidence · text
“confirmed and extended the previously announced high-grade gold-silver mineralization”
Extracted facts
Stored fact records: 6. Some facts used in scoring do not have a stored record.
Drill Results (6)
EPUG26035Potrero · goldGrade: 9.69Grade Unit: g/tIntercept: 13.18 mView all detailsHide details
Identity
- Hole ID
- EPUG26035
- Project
- Potrero
- Commodity
- gold
- Region
- mexico
- Reported Region
- mexico
- Ticker
- PINN
Geometry
- Grade
- 9.69
- Grade Unit
- g/t
- Intercept
- 13.18 m
Classification
- Deposit Type
- epithermal
- Program
- resource
- Sample Type
- drill
- Group ID
- EPUG26035:0-13.18
- Mining Method
- underground
Location
- Location
- Dos de Mayo vein
- Loc. Source
- document
QA/QC
- Laboratory
- SGS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-09T00:00:00.000Z
Reasoning: 9.69 g/t Au over 13.18m is a strong intercept for an epithermal system.
Positive factors
- Strong grade and width
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
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: "About the Potrero Property El Potrero is located in the prolific Sierra Madre Occidental of western Mexico and lies with"
EPUG26035Potrero · silverGrade: 143Grade Unit: g/tIntercept: 13.18 mView all detailsHide details
Identity
- Hole ID
- EPUG26035
- Project
- Potrero
- Commodity
- silver
- Region
- mexico
- Reported Region
- mexico
- Ticker
- PINN
Geometry
- Grade
- 143
- Grade Unit
- g/t
- Intercept
- 13.18 m
Classification
- Deposit Type
- epithermal
- Program
- resource
- Sample Type
- drill
- Group ID
- EPUG26035:0-13.18
- Mining Method
- underground
Location
- Location
- Dos de Mayo vein
- Loc. Source
- document
QA/QC
- Laboratory
- SGS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-09T00:00:00.000Z
Reasoning: 143 g/t Ag accompanies the gold intercept.
Positive factors
- Significant silver credits
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
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: "About the Potrero Property El Potrero is located in the prolific Sierra Madre Occidental of western Mexico and lies with"
EPUG26068Potrero · goldGrade: 6.19Grade Unit: g/tIntercept: 10.89 mView all detailsHide details
Identity
- Hole ID
- EPUG26068
- Project
- Potrero
- Commodity
- gold
- Region
- mexico
- Reported Region
- mexico
- Ticker
- PINN
Geometry
- Grade
- 6.19
- Grade Unit
- g/t
- Intercept
- 10.89 m
Classification
- Deposit Type
- epithermal
- Program
- resource
- Sample Type
- drill
- Group ID
- EPUG26068:0-10.89
- Mining Method
- underground
Location
- Location
- Dos de Mayo vein
- Loc. Source
- document
QA/QC
- Laboratory
- SGS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-09T00:00:00.000Z
Reasoning: 6.19 g/t Au over 10.89m confirms continuity of mineralization.
Positive factors
- Confirms continuity
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
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: "About the Potrero Property El Potrero is located in the prolific Sierra Madre Occidental of western Mexico and lies with"
EPUG26068Potrero · silverGrade: 90Grade Unit: g/tIntercept: 10.89 mView all detailsHide details
Identity
- Hole ID
- EPUG26068
- Project
- Potrero
- Commodity
- silver
- Region
- mexico
- Reported Region
- mexico
- Ticker
- PINN
Geometry
- Grade
- 90
- Grade Unit
- g/t
- Intercept
- 10.89 m
Classification
- Deposit Type
- epithermal
- Program
- resource
- Sample Type
- drill
- Group ID
- EPUG26068:0-10.89
- Mining Method
- underground
Location
- Location
- Dos de Mayo vein
- Loc. Source
- document
QA/QC
- Laboratory
- SGS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-09T00:00:00.000Z
Reasoning: 90 g/t Ag accompanies the gold intercept.
Positive factors
- Silver credits
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
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: "About the Potrero Property El Potrero is located in the prolific Sierra Madre Occidental of western Mexico and lies with"
EPUG26068Potrero · goldGrade: 58.2Grade Unit: g/tIntercept: 0.41 mView all detailsHide details
Identity
- Hole ID
- EPUG26068
- Project
- Potrero
- Commodity
- gold
- Region
- mexico
- Reported Region
- mexico
- Ticker
- PINN
Geometry
- Grade
- 58.2
- Grade Unit
- g/t
- Intercept
- 0.41 m
Classification
- Deposit Type
- epithermal
- Program
- resource
- Sample Type
- drill
- Group ID
- EPUG26068:0-0.41
- Mining Method
- underground
Location
- Location
- Dos de Mayo vein
- Loc. Source
- document
QA/QC
- Laboratory
- SGS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-09T00:00:00.000Z
Reasoning: 58.2 g/t Au is an exceptional high-grade intercept for an epithermal system.
Positive factors
- Bonanza Intercept
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
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: "About the Potrero Property El Potrero is located in the prolific Sierra Madre Occidental of western Mexico and lies with"
EPUG26068Potrero · silverGrade: 631Grade Unit: g/tIntercept: 0.41 mView all detailsHide details
Identity
- Hole ID
- EPUG26068
- Project
- Potrero
- Commodity
- silver
- Region
- mexico
- Reported Region
- mexico
- Ticker
- PINN
Geometry
- Grade
- 631
- Grade Unit
- g/t
- Intercept
- 0.41 m
Classification
- Deposit Type
- epithermal
- Program
- resource
- Sample Type
- drill
- Group ID
- EPUG26068:0-0.41
- Mining Method
- underground
Location
- Location
- Dos de Mayo vein
- Loc. Source
- document
QA/QC
- Laboratory
- SGS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-09T00:00:00.000Z
Reasoning: 631 g/t Ag is an exceptional high-grade intercept.
Positive factors
- Bonanza Intercept
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
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: "About the Potrero Property El Potrero is located in the prolific Sierra Madre Occidental of western Mexico and lies with"
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.