Stuhini Completes Mini Bulk Sample at Ruby Creek's Silver Surprise Zone

Original announcement by tmx on

Company
Stuhini Exploration Ltd.
Ticker
STU
Exchange
TSX
Region
British Columbia
Primary commodity
Silver
Secondary commodities
Gold, Lead, Zinc
Document categories
Metallurgy, Drill results
Extracted
2026-09-14 15:24:22 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Stuhini Exploration has completed the extraction of a 1,585-pound mini bulk sample from the Silver Surprise Zone at the Ruby Creek Project in British Columbia. The sample, which contains bonanza-grade silver (up to 16,030 g/t), will undergo metallurgical testing focusing on gravity separation to inform future development.

Reasoning: The company has successfully extracted a mini bulk sample of high-grade silver for metallurgical testing, representing a key step in de-risking the Silver Surprise Zone.

Positive factors

  • bonanza-grade silver samples
  • metallurgical testing advancing
  • high-grade silver mineralization identified

Negative factors

  • preliminary test scale
  • metallurgical results pending

Facts used in scoring: 4

Classification and evidence

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: Samples up to 16,030 g/t Ag are reported, which is exceptionally high grade.

Evidence · text

“16,030 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: The release states a Qualified Person (Mr. Nicholas Clive Aspinall) has verified the sampling and analytical data.

Evidence · text

“Mr. Aspinall has verified the data disclosed in this press release, including the sampling, analytical and test data”

Gravity Routeneutral

Gravity separation forms a material part of the flowsheet.

Why it applies: the document describes a gravity route ("gravity")

Multi-Domain Testedpositive

Variability across ore domains (oxide, transition, fresh) has been addressed.

Why it applies: 2 distinct composites were tested

Extracted facts

Stored fact records: 4. Some facts used in scoring do not have a stored record.

Metallurgical Results (4)

Fact 1silverView all details
Link to this fact

Identity

Commodity
silver
Region
canada_bc
Reported Region
British Columbia
Ticker
STU

Test Work

Sample
Silver Surprise Zone surface samples

Review

Needs Review
No
Historical
No

Dates

Event date
2025-10-06T00:00:00.000Z

Reasoning: 16,030 g/t Ag is an exceptional bonanza-grade intercept for silver.

Positive factors

  • exceptional bonanza grade
Fact 2silverView all details
Link to this fact

Identity

Commodity
silver
Region
canada_bc
Reported Region
British Columbia
Ticker
STU

Test Work

Sample
Silver Surprise Zone surface samples

Review

Needs Review
No
Historical
No

Dates

Event date
2025-10-06T00:00:00.000Z

Reasoning: 14,179 g/t Ag is an exceptional bonanza-grade intercept for silver.

Positive factors

  • exceptional bonanza grade
Fact 3silverView all details
Link to this fact

Identity

Commodity
silver
Region
canada_bc
Reported Region
British Columbia
Ticker
STU

Test Work

Sample
Silver Surprise Zone surface samples

Review

Needs Review
No
Historical
No

Dates

Event date
2025-10-06T00:00:00.000Z

Reasoning: 12,980 g/t Ag is an exceptional bonanza-grade intercept for silver.

Positive factors

  • exceptional bonanza grade
Fact 4silverView all details
Link to this fact

Identity

Commodity
silver
Region
canada_bc
Reported Region
British Columbia
Ticker
STU

Test Work

Sample
mini bulk sample

Review

Needs Review
No
Historical
No

Dates

Event date
2025-10-06T00:00:00.000Z

Reasoning: Extraction of a 1,585-pound mini bulk sample for metallurgical testing.

Positive factors

  • advancing metallurgical understanding

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.