Blue Jay Gold Reports 67% Antimony Concentrate at 94% Recovery from Becker-Cochran: Concentrates Submitted for Metal Refining Tests
Original announcement by globenewswire on
- Company
- Blue Jay Gold Corp
- Ticker
- JAY
- Exchange
- Unavailable
- Region
- Yukon
- Primary commodity
- Antimony
- Secondary commodities
- Iron ore, Sulfur
- Document categories
- Metallurgy
- Extracted
- 2026-09-21 12:37:10 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Blue Jay Gold has reported successful maiden metallurgical flotation test results from the Becker-Cochran antimony occurrence at the Steller Project in Yukon. The tests produced a high-grade 66.9% Sb concentrate with a 93.9% recovery using a conventional flotation flowsheet.
Reasoning: The release reports successful maiden metallurgical test work producing a high-grade antimony concentrate with strong recovery, significantly de-risking the processing of the Becker-Cochran occurrence.
Positive factors
- High grade concentrate (66.9% Sb) exceeds premium threshold
- Strong recovery (93.9%) achieved via conventional flotation
- Maiden test work successfully demonstrates processing pathway
- QA/QC disclosed with ALS lab and QP sign-off
Negative factors
- Bench-scale results only; no variability or locked-cycle testing completed
- Mercury (Hg) impurities noted in concentrate aliquot
Facts used in scoring: 3
Classification and evidence
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: 93.9% Sb recovery is well above the exceptional band for antimony flotation.
Evidence · text
“67% antimony (“ Sb ”) concentrate at a 94% recovery”
Bench Scale Onlynegative
Only preliminary bench tests completed — no locked-cycle or pilot work.
Why it applies: Results are from laboratory-scale flotation tests on a single composite.
Evidence · text
“These results are based on laboratory-scale rougher-cleaner testing and are preliminary in nature”
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 ALS laboratory, internal QA/QC, and QP sign-off by Freeman Smith.
Evidence · text
“The ALS laboratory maintained its own internal QA/QC procedures to deliver these initial outcomes.”
Single Domain Onlynegative
Testing limited to one composite or domain — representativeness not established.
Why it applies: Testing was performed on a single composite from a single trench.
Evidence · text
“The program was carried out on a composite of >400 kg of stibnite-bearing mineralization collected by Company personnel at a single trench”
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: the document describes a flotation route ("flotation")
Extracted facts
Stored fact records: 3. Some facts used in scoring do not have a stored record.
Metallurgical Results (3)
flotationSteller Gold Project · antimonyRecovery: 93.9 %Head Grade: 17.1Head Grade Unit: %View all detailsHide details
Identity
- Project
- Steller Gold Project
- Commodity
- antimony
- Region
- canada_yt
- Reported Region
- Yukon
- Ticker
- JAY
Test Work
- Program Status
- preliminary
- Test Type
- flotation
- Processing Route
- rougher and cleaner flotation
- Sample
- Becker-Cochran Composite 1 (Bulk Conc.: Product 1)
- Grind P80
- 140 µm
Recovery
- Recovery
- 93.9 %
- Head Grade
- 17.1
- Head Grade Unit
- %
Reagents
- Reagent Notes
- used lead nitrate as the stibnite activator and SIPX as the stibnite collector
Lab
- Laboratory
- ALS Metallurgical Laboratories
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-21T00:00:00.000Z
Reasoning: Strong maiden results for antimony recovery and grade.
Positive factors
- High recovery and grade
Negative factors
- Mercury noted in concentrate
Evidence · table
“66.9”
Context: 24.0
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
flotationSteller Gold Project · iron_oreRecovery: 12 %Head Grade: 0.92Head Grade Unit: %View all detailsHide details
Identity
- Project
- Steller Gold Project
- Commodity
- iron_ore
- Region
- canada_yt
- Reported Region
- Yukon
- Ticker
- JAY
Test Work
- Program Status
- preliminary
- Test Type
- flotation
- Processing Route
- rougher and cleaner flotation
- Sample
- Becker-Cochran Composite 1 (Bulk Conc.: Product 1)
Recovery
- Recovery
- 12 %
- Head Grade
- 0.92
- Head Grade Unit
- %
Lab
- Laboratory
- ALS Metallurgical Laboratories
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-21T00:00:00.000Z
Reasoning: Trace iron in concentrate.
Evidence · table
“0.5”
Context: 24.0
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
flotationSteller Gold Project · sulfurRecovery: 89.2 %Head Grade: 7.4Head Grade Unit: %View all detailsHide details
Identity
- Project
- Steller Gold Project
- Commodity
- sulfur
- Region
- canada_yt
- Reported Region
- Yukon
- Ticker
- JAY
Test Work
- Program Status
- preliminary
- Test Type
- flotation
- Processing Route
- rougher and cleaner flotation
- Sample
- Becker-Cochran Composite 1 (Bulk Conc.: Product 1)
Recovery
- Recovery
- 89.2 %
- Head Grade
- 7.4
- Head Grade Unit
- %
Lab
- Laboratory
- ALS Metallurgical Laboratories
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-21T00:00:00.000Z
Reasoning: Trace sulfur in concentrate.
Evidence · table
“27.5”
Context: 24.0
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
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.