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
- 2026-08-21 03:20:10 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 sampling results and preliminary metallurgical testwork. The company is preparing for underground delineation drilling in early 2026 and continues to optimize metallurgical processes.
Reasoning: The company reported high-grade surface and underground sampling results and strong preliminary gold recoveries (avg 95%), though silver recovery remains variable and unoptimized.
Positive factors
- high-grade epithermal system confirmed
- strong gold recoveries in preliminary metallurgy
- QA/QC protocols and QP sign-off disclosed
Negative factors
- variable and lower silver recoveries
- preliminary/unoptimized metallurgical testwork
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 NI 43-101 compliance, use of certified reference materials, blanks, and an ISO 17025 accredited lab (SGS).
Evidence · text
“The lab is accredited to ISO/IEC 17025:2017.”
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: Underground channel samples grading up to 50.3 g/t Au and 269 g/t Ag.
Evidence · table
“50.3”
Context: 1.7
Bench Scale Onlynegative
Only preliminary bench tests completed — no locked-cycle or pilot work.
Why it applies: Metallurgical results are from preliminary bottle roll and gravity tests without optimization.
Evidence · text
“Given that these were preliminary tests, there was no optimization”
Extracted facts
Stored fact records: 16. Some facts used in scoring do not have a stored record.
Drill Results (16)
Fact 1goldGrade: 13.2Grade Unit: g/tIntercept: 0.3 mView all detailsHide details
Identity
- Commodity
- gold
- 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 surface sample.
Evidence · table
“13.2”
Context: 0.3
Fact 2silverGrade: 2280Grade Unit: g/tIntercept: 0.3 mView all detailsHide details
Identity
- Commodity
- silver
- 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: Very high silver grade.
Positive factors
- Bonanza Intercept
Evidence · table
“2,280”
Context: 0.3
Fact 3goldGrade: 9.9Grade Unit: g/tIntercept: 0.35 mView all detailsHide details
Identity
- Commodity
- gold
- 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 surface sample.
Evidence · table
“9.9”
Context: 0.35
Fact 4silverGrade: 1444Grade Unit: g/tIntercept: 0.35 mView all detailsHide details
Identity
- Commodity
- silver
- 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.
Evidence · table
“1,444”
Context: 0.35
Fact 5goldGrade: 36.4Grade Unit: g/tIntercept: 1.4 mView all detailsHide details
Identity
- Commodity
- gold
- 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: Strong gold grade.
Positive factors
- Bonanza Intercept
Evidence · table
“36.4”
Context: 1.4
Fact 6silverGrade: 1029Grade Unit: g/tIntercept: 1.4 mView all detailsHide details
Identity
- Commodity
- silver
- 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.
Evidence · table
“1,029”
Context: 1.4
Fact 7goldGrade: 37.4Grade Unit: g/tIntercept: 1.2 mView all detailsHide details
Identity
- Commodity
- gold
- 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: Strong gold grade.
Positive factors
- Bonanza Intercept
Evidence · table
“37.4”
Context: 1.2
Fact 8silverGrade: 755Grade Unit: g/tIntercept: 1.2 mView all detailsHide details
Identity
- Commodity
- silver
- 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.
Evidence · table
“755”
Context: 1.2
Fact 9goldGrade: 50.3Grade Unit: g/tIntercept: 1.7 mView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- PINN
Geometry
- Grade
- 50.3
- Grade Unit
- g/t
- Intercept
- 1.7 m
Classification
- Sample Type
- channel
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-01-13T00:00:00.000Z
Reasoning: Very high grade underground sample.
Positive factors
- Bonanza Intercept
Evidence · table
“50.3”
Context: 1.7
Fact 10silverGrade: 269Grade Unit: g/tIntercept: 1.7 mView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- PINN
Geometry
- Grade
- 269
- Grade Unit
- g/t
- Intercept
- 1.7 m
Classification
- Sample Type
- channel
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-01-13T00:00:00.000Z
Reasoning: High silver grade.
Evidence · table
“269”
Context: 1.7
Fact 11goldGrade: 34.6Grade Unit: g/tIntercept: 1 mView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- PINN
Geometry
- Grade
- 34.6
- Grade Unit
- g/t
- Intercept
- 1 m
Classification
- Sample Type
- channel
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-01-13T00:00:00.000Z
Reasoning: Strong gold grade.
Positive factors
- Bonanza Intercept
Evidence · table
“34.6”
Context: 1.0
Fact 12silverGrade: 221Grade Unit: g/tIntercept: 1 mView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- PINN
Geometry
- Grade
- 221
- Grade Unit
- g/t
- Intercept
- 1 m
Classification
- Sample Type
- channel
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-01-13T00:00:00.000Z
Reasoning: High silver grade.
Evidence · table
“221”
Context: 1.0
Fact 13goldGrade: 15.6Grade Unit: g/tIntercept: 1.1 mView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- PINN
Geometry
- Grade
- 15.6
- Grade Unit
- g/t
- Intercept
- 1.1 m
Classification
- Sample Type
- channel
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-01-13T00:00:00.000Z
Reasoning: Strong gold grade.
Evidence · table
“15.6”
Context: 1.1
Fact 14silverGrade: 222Grade Unit: g/tIntercept: 1.1 mView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- PINN
Geometry
- Grade
- 222
- Grade Unit
- g/t
- Intercept
- 1.1 m
Classification
- Sample Type
- channel
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-01-13T00:00:00.000Z
Reasoning: High silver grade.
Evidence · table
“222”
Context: 1.1
Fact 15goldView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- PINN
QA/QC
- Laboratory
- SGS Durango
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-01-13T00:00:00.000Z
Reasoning: Strong average gold recovery from preliminary tests.
Positive factors
- High Recovery
Fact 16silverView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- PINN
QA/QC
- Laboratory
- SGS Durango
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-01-13T00:00:00.000Z
Reasoning: Silver recoveries are lower and more variable due to complex mineralogy.
Negative factors
- Low Recovery
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.