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 orestocks on

Company
Pinnacle Silver and Gold Corp.
Ticker
PINN.V
Exchange
Unavailable
Region
Durango, Mexico
Primary commodity
Gold
Secondary commodities
Silver
Document categories
Drill results
Extracted
2026-09-09 11:58:33 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 property 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 confirm and extend previously known mineralization, supported by robust QA/QC disclosure.

Positive factors

  • high-grade intercepts
  • continuity of mineralization
  • QA/QC disclosed
  • epithermal deposit type

Negative factors

  • assays pending for several holes

Facts used in scoring: 6

Atlas analysis — Pinnacle Silver and Gold Corp.: Pinnacle Confirms High-Grade Mineralization in Underground Drilling at El Potrero with up to 58.2 g/t Au and 631 g/t Ag. 6.19 g/t over 10.89 m; 58.2 g/t over 0.41 m

Classification and evidence

Bonanza Interceptpositive

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

Why it applies: Hole EPUG26068 returned 58.2 g/t Au and 631 g/t Ag over 0.41m, which is exceptionally high grade.

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 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”

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: The release mentions that chip channel samples are reasonably close to representing true widths, but does not provide a specific true width for the drill intercepts.

Evidence · text

“these samples are reasonably close to representing the true widths of the structures”

Mill Routeneutral

Processing via mill or concentrator (CIL, CIP, tank leach, flotation).

Why it applies: the document describes a mill_cil route ("CIL")

Extracted facts

Stored fact records: 6. Some facts used in scoring do not have a stored record.

Drill Results (6)

EPUG26035El Potrero · goldGrade: 9.69Grade Unit: g/tIntercept: 13.18 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
EPUG26035
Project
El Potrero
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
PINN.V

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. Confidence
medium
Loc. Source
document

QA/QC

Laboratory
SGS
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Deleterious

Deleterious Flag
No

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2026-08-18T00:00:00.000Z

Dates

Event date
2026-09-09T00:00:00.000Z

Reasoning: This is a restatement of results previously announced on August 18, 2026.

Positive factors

  • strong grade

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

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 wit"

EPUG26035El Potrero · silverGrade: 143Grade Unit: g/tIntercept: 13.18 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
EPUG26035
Project
El Potrero
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
PINN.V

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. Confidence
medium
Loc. Source
document

QA/QC

Laboratory
SGS
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Deleterious

Deleterious Flag
No

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2026-08-18T00:00:00.000Z

Dates

Event date
2026-09-09T00:00:00.000Z

Reasoning: This is a restatement of results previously announced on August 18, 2026.

Positive factors

  • strong grade

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

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 wit"

EPUG26068El Potrero · goldGrade: 6.19Grade Unit: g/tIntercept: 10.89 mView all details
Link to this fact

Identity

Hole ID
EPUG26068
Project
El Potrero
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
PINN.V

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. Confidence
medium
Loc. Source
document

QA/QC

Laboratory
SGS
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-09T00:00:00.000Z

Reasoning: Confirms continuity of mineralization in a new section of the vein.

Positive factors

  • continuity of grade

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 wit"

EPUG26068El Potrero · silverGrade: 90Grade Unit: g/tIntercept: 10.89 mView all details
Link to this fact

Identity

Hole ID
EPUG26068
Project
El Potrero
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
PINN.V

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. Confidence
medium
Loc. Source
document

QA/QC

Laboratory
SGS
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-09T00:00:00.000Z

Reasoning: Confirms continuity of mineralization in a new section of the vein.

Positive factors

  • continuity of grade

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 wit"

EPUG26068El Potrero · goldGrade: 58.2Grade Unit: g/tIntercept: 0.41 mView all details
Link to this fact

Identity

Hole ID
EPUG26068
Project
El Potrero
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
PINN.V

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. Confidence
medium
Loc. Source
document

QA/QC

Laboratory
SGS
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-09T00:00:00.000Z

Reasoning: Extremely high grade intercept (58.2 g/t Au) with visible gold.

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 wit"

EPUG26068El Potrero · silverGrade: 631Grade Unit: g/tIntercept: 0.41 mView all details
Link to this fact

Identity

Hole ID
EPUG26068
Project
El Potrero
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
PINN.V

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. Confidence
medium
Loc. Source
document

QA/QC

Laboratory
SGS
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Deleterious

Deleterious Flag
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-09T00:00:00.000Z

Reasoning: Extremely high grade silver intercept (631 g/t Ag) accompanying the gold bonanza.

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 wit"

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.