American Creek's JV Partner Tudor Gold Increases Overall Gold Recoveries to over 80%, Produces a High-Grade Copper, Gold and Silver Concentrate for the Goldstorm Deposit at Treaty Creek, Golden Triangle of British Columbia
Original announcement by tmx on
- Company
- American Creek Resources Ltd.
- Ticker
- AMK
- Exchange
- TSX
- Region
- British Columbia
- Primary commodity
- Gold
- Secondary commodities
- Copper, Silver
- Document categories
- Metallurgy
- Extracted
- 2026-08-22 22:48:28 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Tudor Gold, American Creek's JV partner, has reported improved metallurgical results for the Goldstorm Deposit, specifically increasing gold recoveries to over 80% in the Lower CS-600 sub-domain. This was achieved by adding a cyanide leach step to the flotation tailings, producing a high-grade copper, gold, and silver concentrate.
Reasoning: The update demonstrates a significant improvement in gold recovery (from ~64% to >80%) through the addition of a cyanide leach step on flotation tails, which is highly material for project economics.
Positive factors
- significant increase in gold recovery
- high-grade concentrate produced
- successful optimization via cyanide leach
Negative factors
- results are from batch tests (lower scale maturity)
Facts used in scoring: 5

Classification and evidence
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: Gold recovery of 80.2% is strong for the reported processing route.
Evidence · text
“combined gold flotation recovery plus cyanide extraction totaled 80.2%”
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: Release mentions standard QA/QC sampling procedures maintained by SGS and Blue Coast.
Evidence · text
“Standard QA/QC sampling procedures are maintained by SGS and Blue Coast”
Bench Scale Onlynegative
Only preliminary bench tests completed — no locked-cycle or pilot work.
Why it applies: The results are described as batch flotation tests.
Evidence · text
“The batch flotation tests achieved recoveries”
Extracted facts
Stored fact records: 5. Some facts used in scoring do not have a stored record.
Metallurgical Results (5)
flotation and cyanide leachgoldRecovery: 80.2 %View all detailsHide details
Identity
- Commodity
- gold
- Ticker
- AMK
Test Work
- Program Status
- optimization
- Test Type
- flotation and cyanide leach
- Processing Route
- flotation and cyanide leach
- Sample
- Lower CS-600L sub-domain flotation and leach
- Grind P80
- 75 µm
Recovery
- Recovery
- 80.2 %
- Recovery Basis
- actual_test
Lab
- Laboratory
- Blue Coast Research
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-22T00:00:00.000Z
Reasoning: Gold recovery increased significantly to 80.2% via the addition of a leaching step.
Positive factors
- significant increase from previous 63.8% recovery
Evidence · text
“The combined gold flotation recovery plus cyanide extraction totaled 80.2%.”
flotationcopperRecovery: 85.8 %View all detailsHide details
Identity
- Commodity
- copper
- Ticker
- AMK
Test Work
- Program Status
- optimization
- Test Type
- flotation
- Processing Route
- flotation
- Sample
- Lower CS-600L sub-domain flotation
- Grind P80
- 75 µm
Recovery
- Recovery
- 85.8 %
- Recovery Basis
- actual_test
Lab
- Laboratory
- Blue Coast Research
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-22T00:00:00.000Z
Reasoning: Copper recovery remains strong at 85.8%.
Evidence · text
“The batch flotation tests achieved recoveries of 85.8% copper”
flotationsilverRecovery: 58.1 %View all detailsHide details
Identity
- Commodity
- silver
- Ticker
- AMK
Test Work
- Program Status
- optimization
- Test Type
- flotation
- Processing Route
- flotation
- Sample
- Lower CS-600L sub-domain flotation
- Grind P80
- 75 µm
Recovery
- Recovery
- 58.1 %
- Recovery Basis
- actual_test
Lab
- Laboratory
- Blue Coast Research
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-22T00:00:00.000Z
Reasoning: Silver recovery reported at 58.1%.
Evidence · text
“85.8% copper, 66.3% gold, and 58.1% silver”
Fact 4copperView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- AMK
Test Work
- Sample
- Copper rougher flotation concentrate
Recovery
- Conc. Grade
- 30.3
- Conc. Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-22T00:00:00.000Z
Reasoning: Produces a high-grade 30.3% Cu concentrate.
Positive factors
- high-grade concentrate
Evidence · text
“concentrate with grade 30.3% copper”
Fact 5goldView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- AMK
Test Work
- Sample
- Copper rougher flotation concentrate
Recovery
- Conc. Grade
- 36.5
- Conc. Grade Unit
- g/t
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-04-22T00:00:00.000Z
Reasoning: Produces a high-grade 36.5 g/t Au concentrate.
Positive factors
- high-grade concentrate
Evidence · text
“36.5 g/t gold”
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.