Pinnacle Provides Project Update for El Potrero as it Advances Towards a Production Decision
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
- Metallurgy, Permitting, Other
- Extracted
- 2026-08-21 01:48:39 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Pinnacle Silver and Gold Corp. provided an update on the El Potrero Project in Mexico, highlighting high preliminary gold recoveries of 95.1% and encouraging head assays. The company is advancing underground rehabilitation, submitting environmental permits, and conducting second-round metallurgical testing to support a production decision by year-end.
Reasoning: The company is advancing multiple workstreams (metallurgy, permitting, community, and drilling) towards a production decision, supported by high preliminary gold recoveries.
Positive factors
- High gold recovery reported from preliminary testing
- Encouraging head assays for main zone and individual veins
- Progress on permitting and community agreements
- Transitioning to underground delineation drilling
Negative factors
- Requirement for powerline feasibility study and environmental permits
Facts used in scoring: 7

Classification and evidence
QA/QC Disclosedpositive · Story-specific tag
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The release mentions high-definition mineralogical examination using TIMA at an SGS facility and is signed off by two Qualified Persons.
Evidence · text
“Mr. Jorge Ortega, P. Geo, a Qualified Person... has reviewed, verified, and approved for disclosure”
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: The company is optimizing a flowsheet involving gravity separation and leach tests.
Evidence · text
“more extensive gravity separation and optimization of leach tests”
Extracted facts
Stored fact records: 7. Some facts used in scoring do not have a stored record.
Metallurgical Results (7)
Fact 1goldRecovery: 95.1 %View all detailsHide details
Identity
- Commodity
- gold
- Ticker
- PINN
Test Work
- Sample
- first round of preliminary high level scoping testing
Recovery
- Recovery
- 95.1 %
- Recovery Basis
- unspecified
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-26T00:00:00.000Z
Reasoning: 95.1% gold recovery is considered excellent for preliminary scoping tests.
Positive factors
- High recovery rate
Evidence · text
“achieved 95.1% gold recoveries”
Fact 2goldHead Grade: 7.7Head Grade Unit: g/tView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- PINN
Test Work
- Sample
- five-sample main zone composite
Recovery
- Head Grade
- 7.7
- Head Grade Unit
- g/t
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-26T00:00:00.000Z
Reasoning: 7.7 g/t Au is a strong head grade for an epithermal system.
Positive factors
- Robust head grade
Evidence · text
“five-sample main zone composite returned 7.7 g/t Au”
Fact 3silverHead Grade: 116Head Grade Unit: g/tView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- PINN
Test Work
- Sample
- five-sample main zone composite
Recovery
- Head Grade
- 116
- Head Grade Unit
- g/t
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-26T00:00:00.000Z
Reasoning: Significant silver credits reported alongside gold.
Evidence · text
“and 116 g/t Ag”
Fact 4goldHead Grade: 6.6Head Grade Unit: g/tView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- PINN
Test Work
- Sample
- Estrella sample
Recovery
- Head Grade
- 6.6
- Head Grade Unit
- g/t
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-26T00:00:00.000Z
Reasoning: Strong gold grade for an individual vein sample.
Evidence · text
“Estrella sample returned 6.6 g/t Au”
Fact 5silverHead Grade: 169Head Grade Unit: g/tView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- PINN
Test Work
- Sample
- Estrella sample
Recovery
- Head Grade
- 169
- Head Grade Unit
- g/t
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-26T00:00:00.000Z
Reasoning: High silver grade reported for the Estrella vein.
Evidence · text
“and 169 g/t Ag”
Fact 6goldHead Grade: 4.5Head Grade Unit: g/tView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- PINN
Test Work
- Sample
- Capulin sample
Recovery
- Head Grade
- 4.5
- Head Grade Unit
- g/t
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-26T00:00:00.000Z
Reasoning: Respectable gold grade for the Capulin vein.
Evidence · text
“Capulin sample returned 4.5 g/t Au”
Fact 7silverHead Grade: 91Head Grade Unit: g/tView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- PINN
Test Work
- Sample
- Capulin sample
Recovery
- Head Grade
- 91
- Head Grade Unit
- g/t
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-26T00:00:00.000Z
Reasoning: Silver credits present in the Capulin vein.
Evidence · text
“and 91 g/t Ag”
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.