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

Atlas analysis — Pinnacle Silver and Gold Corp.: Pinnacle Provides Project Update for El Potrero as it Advances Towards a Production Decision. 95.1% recovery

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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.