Pinnacle Provides Progress Update for El Potrero Gold-Silver Project
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, Metallurgy
- Extracted
- 2026-09-12 18:55:50 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Pinnacle Silver and Gold Corp. provided a progress update for the El Potrero gold-silver project in Mexico, highlighting high-grade surface and underground sampling results. Preliminary metallurgical testing showed strong gold recoveries averaging 95%, while silver recoveries were more variable. The company is preparing for underground delineation drilling in early 2026.
Reasoning: The update confirms high-grade sampling results and provides encouraging preliminary gold metallurgical recoveries, though silver recovery remains a technical risk.
Positive factors
- High-grade epithermal gold-silver system confirmed
- Strong gold recoveries in preliminary metallurgy (avg 95%)
- QA/QC protocols and NI 43-101 compliance disclosed
- Experienced local management team
Negative factors
- Variable and lower silver recoveries (avg 54%)
- Metallurgical testing is preliminary/unoptimized
- Permitting and plant refurbishment required
Facts used in scoring: 16
Classification and evidence
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: Release mentions industry standard practices, including certified reference materials and blanks.
Evidence · text
“including inserting certified reference material samples and blank samples”
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: Underground sampling returned 50.3 g/t Au, which is exceptionally high for an epithermal system.
Evidence · text
“50.3 269 1.7”
NI 43-101 Compliantpositive · Story-specific tag
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: Technical results reported in accordance with NI 43-101 standards.
Evidence · text
“reported in accordance with National Instrument 43-101 Standards”
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: the document describes a gravity route ("gravity")
Single Domain Onlynegative
Testing limited to one composite or domain — representativeness not established.
Why it applies: only one composite was tested
Extracted facts
Stored fact records: 16. Some facts used in scoring do not have a stored record.
Drill Results (14)
Fact 1goldGrade: 13.2Grade Unit: g/tIntercept: 0.3 mView all detailsHide details
Identity
- Commodity
- gold
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 13.2
- Grade Unit
- g/t
- Intercept
- 0.3 m
Classification
- Sample Type
- surface
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-01-13T00:00:00.000Z
Reasoning: High-grade gold intercept from surface sampling.
Positive factors
- High grade for surface sampling
Evidence · text
“13.2 2,280 0.3”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
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: "We look forward to continued progress through 2026 and to keeping shareholders up to date on the company’s development.”"
Fact 2silverGrade: 2280Grade Unit: g/tIntercept: 0.3 mView all detailsHide details
Identity
- Commodity
- silver
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 2280
- Grade Unit
- g/t
- Intercept
- 0.3 m
Classification
- Sample Type
- surface
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-01-13T00:00:00.000Z
Reasoning: Exceptional silver grade from surface sampling.
Positive factors
- Bonanza silver grade
Evidence · text
“13.2 2,280 0.3”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
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: "We look forward to continued progress through 2026 and to keeping shareholders up to date on the company’s development.”"
Fact 3goldGrade: 9.9Grade Unit: g/tIntercept: 0.35 mView all detailsHide details
Identity
- Commodity
- gold
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 9.9
- Grade Unit
- g/t
- Intercept
- 0.35 m
Classification
- Sample Type
- surface
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-01-13T00:00:00.000Z
Reasoning: High-grade gold intercept from surface sampling.
Evidence · text
“9.9 1,444 0.35”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
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: "We look forward to continued progress through 2026 and to keeping shareholders up to date on the company’s development.”"
Fact 4silverGrade: 1444Grade Unit: g/tIntercept: 0.35 mView all detailsHide details
Identity
- Commodity
- silver
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 1444
- Grade Unit
- g/t
- Intercept
- 0.35 m
Classification
- Sample Type
- surface
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-01-13T00:00:00.000Z
Reasoning: High silver grade from surface sampling.
Evidence · text
“9.9 1,444 0.35”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
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: "We look forward to continued progress through 2026 and to keeping shareholders up to date on the company’s development.”"
Fact 5goldGrade: 36.4Grade Unit: g/tIntercept: 1.4 mView all detailsHide details
Identity
- Commodity
- gold
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 36.4
- Grade Unit
- g/t
- Intercept
- 1.4 m
Classification
- Sample Type
- surface
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-01-13T00:00:00.000Z
Reasoning: High-grade gold intercept from surface sampling.
Positive factors
- Strong gold grade
Evidence · text
“36.4 1,029 1.4”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
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: "We look forward to continued progress through 2026 and to keeping shareholders up to date on the company’s development.”"
Fact 6silverGrade: 1029Grade Unit: g/tIntercept: 1.4 mView all detailsHide details
Identity
- Commodity
- silver
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 1029
- Grade Unit
- g/t
- Intercept
- 1.4 m
Classification
- Sample Type
- surface
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-01-13T00:00:00.000Z
Reasoning: High silver grade from surface sampling.
Evidence · text
“36.4 1,029 1.4”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
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: "We look forward to continued progress through 2026 and to keeping shareholders up to date on the company’s development.”"
Fact 7goldGrade: 37.4Grade Unit: g/tIntercept: 1.2 mView all detailsHide details
Identity
- Commodity
- gold
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 37.4
- Grade Unit
- g/t
- Intercept
- 1.2 m
Classification
- Sample Type
- surface
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-01-13T00:00:00.000Z
Reasoning: High-grade gold intercept from surface sampling.
Positive factors
- Strong gold grade
Evidence · text
“37.4 755 1.2”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
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: "We look forward to continued progress through 2026 and to keeping shareholders up to date on the company’s development.”"
Fact 8silverGrade: 755Grade Unit: g/tIntercept: 1.2 mView all detailsHide details
Identity
- Commodity
- silver
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 755
- Grade Unit
- g/t
- Intercept
- 1.2 m
Classification
- Sample Type
- surface
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-01-13T00:00:00.000Z
Reasoning: High silver grade from surface sampling.
Evidence · text
“37.4 755 1.2”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
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: "We look forward to continued progress through 2026 and to keeping shareholders up to date on the company’s development.”"
Fact 9goldGrade: 50.3Grade Unit: g/tIntercept: 1.7 mView all detailsHide details
Identity
- Commodity
- gold
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 50.3
- Grade Unit
- g/t
- Intercept
- 1.7 m
Classification
- Sample Type
- surface
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-01-13T00:00:00.000Z
Reasoning: Exceptional gold grade from underground sampling.
Positive factors
- Bonanza gold grade
Evidence · text
“50.3 269 1.7”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
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: "We look forward to continued progress through 2026 and to keeping shareholders up to date on the company’s development.”"
Fact 10silverGrade: 269Grade Unit: g/tIntercept: 1.7 mView all detailsHide details
Identity
- Commodity
- silver
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 269
- Grade Unit
- g/t
- Intercept
- 1.7 m
Classification
- Sample Type
- surface
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-01-13T00:00:00.000Z
Reasoning: High silver grade from underground sampling.
Evidence · text
“50.3 269 1.7”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
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: "We look forward to continued progress through 2026 and to keeping shareholders up to date on the company’s development.”"
Fact 11goldGrade: 34.6Grade Unit: g/tIntercept: 1 mView all detailsHide details
Identity
- Commodity
- gold
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 34.6
- Grade Unit
- g/t
- Intercept
- 1 m
Classification
- Sample Type
- surface
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-01-13T00:00:00.000Z
Reasoning: High-grade gold intercept from underground sampling.
Positive factors
- Strong gold grade
Evidence · text
“34.6 221 1.0”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
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: "We look forward to continued progress through 2026 and to keeping shareholders up to date on the company’s development.”"
Fact 12silverGrade: 221Grade Unit: g/tIntercept: 1 mView all detailsHide details
Identity
- Commodity
- silver
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 221
- Grade Unit
- g/t
- Intercept
- 1 m
Classification
- Sample Type
- surface
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-01-13T00:00:00.000Z
Reasoning: High silver grade from underground sampling.
Evidence · text
“34.6 221 1.0”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
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: "We look forward to continued progress through 2026 and to keeping shareholders up to date on the company’s development.”"
Fact 13goldGrade: 15.6Grade Unit: g/tIntercept: 1.1 mView all detailsHide details
Identity
- Commodity
- gold
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 15.6
- Grade Unit
- g/t
- Intercept
- 1.1 m
Classification
- Sample Type
- surface
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-01-13T00:00:00.000Z
Reasoning: High-grade gold intercept from underground sampling.
Positive factors
- Strong gold grade
Evidence · text
“15.6 222 1.1”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
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: "We look forward to continued progress through 2026 and to keeping shareholders up to date on the company’s development.”"
Fact 14silverGrade: 222Grade Unit: g/tIntercept: 1.1 mView all detailsHide details
Identity
- Commodity
- silver
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 222
- Grade Unit
- g/t
- Intercept
- 1.1 m
Classification
- Sample Type
- surface
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-01-13T00:00:00.000Z
Reasoning: High silver grade from underground sampling.
Evidence · text
“15.6 222 1.1”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
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: "We look forward to continued progress through 2026 and to keeping shareholders up to date on the company’s development.”"
Metallurgical Results (2)
bottle roll leachinggoldRecovery: 95.09 %View all detailsHide details
Identity
- Commodity
- gold
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll leaching
- Sample
- underground samples from historic Pinos Cuates mine
Recovery
- Recovery
- 95.09 %
- Recovery Basis
- actual_test
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-01-13T00:00:00.000Z
Reasoning: Excellent preliminary gold recovery from bottle roll tests.
Positive factors
- Strong gold recovery
Evidence · text
“gold recoveries ranging from 92.81% to 96.79% and averaging 95.09%”
Tags used in scoring
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: 95.09% is at or above the exceptional band (95%)
bottle roll leachingsilverRecovery: 54.68 %View all detailsHide details
Identity
- Commodity
- silver
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll leaching
- Sample
- underground samples from historic Pinos Cuates mine
Recovery
- Recovery
- 54.68 %
- Recovery Basis
- actual_test
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-01-13T00:00:00.000Z
Reasoning: Low and variable silver recoveries in preliminary tests.
Negative factors
- Low silver recovery
Evidence · text
“silver recoveries ... ranged from 41.41% to 73.53%, averaging 54.68%”
Tags used in scoring
Low Recoverynegative
Recovery below the weak band for the commodity and processing route.
Why it applies: 54.68% is below the weak band (75%)
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.