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

Atlas analysis — American Creek Resources Ltd.: 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. 80.2% recovery; 85.8% recovery; 58.1% recovery

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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.