Pinnacle Discovers More High-Grade Polymetallic Mineralization at El Potrero with Silver Assays up to 1,159 grams per tonne Underscoring District Scale Potential
Original announcement by tmx on
- Company
- Pinnacle Silver and Gold Corp.
- Ticker
- PINN
- Exchange
- TSX
- Region
- Durango, Mexico
- Primary commodity
- Silver
- Secondary commodities
- Gold, Lead, Zinc
- Document categories
- Drill results
- Extracted
- 2026-08-20 23:52:12 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Pinnacle Silver and Gold Corp. has announced new high-grade polymetallic mineralization at the El Potrero project in Mexico, including silver assays up to 1,159 g/t Ag. The results include new silver-rich veins at Minas Nuevas and strike extensions of the Paulina Breccia and Las Guasimas zones.
Reasoning: Discovery of high-grade silver-rich veins and extension of known mineralization along strike at El Potrero, validating LiDAR-based targets.
Positive factors
- High-grade silver intercepts (1,159 g/t)
- Extension of mineralization along strike
- District-scale potential demonstrated
- Polymetallic nature (Au-Ag-Pb-Zn)
Negative factors
- Sampling via grab/surface methods (indicative only)
Facts used in scoring: 8

Classification and evidence
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: Silver assay of 1,159 g/t is exceptionally high.
Evidence · text
“assays up to 1,159 g/t Ag”
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 standards, certified reference materials, blanks, and SGS lab accreditation.
Evidence · text
“The technical results contained in this news release have been reported in accordance with National Instrument 43-101 Standards”
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Mineralization has been extended along strike on the MF2 block.
Evidence · text
“continued field work has extended the previously announced silver-lead-zinc (Ag-Pb-Zn) mineralization along strike”
Extracted facts
Stored fact records: 8. Some facts used in scoring do not have a stored record.
Drill Results (8)
EPPR26096El Potrero · silverGrade: 1159Grade Unit: g/tIntercept: 0.35 mView all detailsHide details
Identity
- Hole ID
- EPPR26096
- Project
- El Potrero
- Commodity
- silver
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 1159
- Grade Unit
- g/t
- Intercept
- 0.35 m
Classification
- Sample Type
- channel
- Group ID
- EPPR26096:0-0.35
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-04-20T00:00:00.000Z
Reasoning: 1,159 g/t Ag is an exceptional silver grade.
Positive factors
- Bonanza Intercept
Evidence · text
“assays up to 0.252 g/t Au, 1,159 g/t Ag, 4.72% Pb and 0.10% Zn over 0.35m”
EPPR26096El Potrero · goldGrade: 0.252Grade Unit: g/tIntercept: 0.35 mView all detailsHide details
Identity
- Hole ID
- EPPR26096
- Project
- El Potrero
- Commodity
- gold
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 0.252
- Grade Unit
- g/t
- Intercept
- 0.35 m
Classification
- Sample Type
- channel
- Group ID
- EPPR26096:0-0.35
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-04-20T00:00:00.000Z
Reasoning: Low grade gold intercept.
Evidence · text
“0.252 g/t Au”
EPPR26096El Potrero · leadGrade: 4.72Grade Unit: %Intercept: 0.35 mView all detailsHide details
Identity
- Hole ID
- EPPR26096
- Project
- El Potrero
- Commodity
- lead
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 4.72
- Grade Unit
- %
- Intercept
- 0.35 m
Classification
- Sample Type
- channel
- Group ID
- EPPR26096:0-0.35
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-04-20T00:00:00.000Z
Reasoning: Strong lead grade.
Evidence · text
“4.72% Pb”
EPPR26096El Potrero · zincGrade: 0.1Grade Unit: %Intercept: 0.35 mView all detailsHide details
Identity
- Hole ID
- EPPR26096
- Project
- El Potrero
- Commodity
- zinc
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 0.1
- Grade Unit
- %
- Intercept
- 0.35 m
Classification
- Sample Type
- channel
- Group ID
- EPPR26096:0-0.35
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-04-20T00:00:00.000Z
Reasoning: Low zinc grade.
Evidence · text
“0.10% Zn”
EPPR26106El Potrero · goldGrade: 3.21Grade Unit: g/tView all detailsHide details
Identity
- Hole ID
- EPPR26106
- Project
- El Potrero
- Commodity
- gold
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 3.21
- Grade Unit
- g/t
Classification
- Sample Type
- surface
- Group ID
- EPPR26106:grab
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-04-20T00:00:00.000Z
Reasoning: High grade gold from a grab sample.
Negative factors
- Grab samples are only considered as indicative of local mineralization
Evidence · text
“3.21 g/t Au”
EPPR26106El Potrero · silverGrade: 349Grade Unit: g/tView all detailsHide details
Identity
- Hole ID
- EPPR26106
- Project
- El Potrero
- Commodity
- silver
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 349
- Grade Unit
- g/t
Classification
- Sample Type
- surface
- Group ID
- EPPR26106:grab
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-04-20T00:00:00.000Z
Reasoning: Strong silver grade from a grab sample.
Negative factors
- Grab samples are only considered as indicative of local mineralization
Evidence · text
“349 g/t Ag”
EPPR26106El Potrero · leadGrade: 3.49Grade Unit: %View all detailsHide details
Identity
- Hole ID
- EPPR26106
- Project
- El Potrero
- Commodity
- lead
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 3.49
- Grade Unit
- %
Classification
- Sample Type
- surface
- Group ID
- EPPR26106:grab
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-04-20T00:00:00.000Z
Reasoning: Strong lead grade from a grab sample.
Negative factors
- Grab samples are only considered as indicative of local mineralization
Evidence · text
“3.49% Pb”
EPPR26106El Potrero · zincGrade: 5.3Grade Unit: %View all detailsHide details
Identity
- Hole ID
- EPPR26106
- Project
- El Potrero
- Commodity
- zinc
- Region
- mexico
- Reported Region
- Durango, Mexico
- Ticker
- PINN
Geometry
- Grade
- 5.3
- Grade Unit
- %
Classification
- Sample Type
- surface
- Group ID
- EPPR26106:grab
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-04-20T00:00:00.000Z
Reasoning: Strong zinc grade from a grab sample.
Negative factors
- Grab samples are only considered as indicative of local mineralization
Evidence · text
“5.30% Zn”
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.