Bayhorse Silver Reports 99 Plus Percent Selective Antimony Leaching Results From The Silver, Copper, Antimony and Zinc Concentrate From Its Bayhorse Silver Mine
Original announcement by tmx on
- Company
- Bayhorse Silver Inc
- Ticker
- BHS
- Exchange
- TSX
- Region
- Idaho
- Primary commodity
- Antimony
- Secondary commodities
- Silver, Copper, Zinc
- Document categories
- Metallurgy
- Extracted
- 2026-09-13 14:50:37 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Bayhorse Silver has reported highly successful selective antimony leaching results, achieving approximately 99.9% removal from its refractory concentrate. This proprietary process is expected to significantly improve the subsequent recovery of silver, copper, and zinc by breaking down the complex tetrahedrite mineral structure.
Reasoning: The 99.9% selective antimony leaching result addresses a major metallurgical bottleneck (refractory tetrahedrite) that previously limited silver and copper recoveries.
Positive factors
- High selectivity in antimony removal
- Potential to unlock higher recoveries for silver, copper, and zinc
- Proprietary leaching process demonstrated effectiveness on refractory ore
Negative factors
- Results are from concentrate, not whole ore
- Pilot scale testing still required
Facts used in scoring: 3
Classification and evidence
Free Millingpositive
Simple, clean ore amenable to standard processing without oxidation.
Why it applies: The release describes the ore as 'refractory' and 'complex mineral structures', which is the opposite of free-milling.
Evidence · text
“extracting the silver from refractory minerals presents several challenges”
Refractory Orenegative
Ore requires oxidation/pressure treatment before recovery — a processing and recovery risk.
Why it applies: The concentrate is explicitly described as 'refractory tetrahedrite'.
Evidence · text
“refractory tetrahedrite”
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: the document describes a flotation route ("flotation")
Single Domain Onlynegative
Testing limited to one composite or domain — representativeness not established.
Why it applies: only one composite was tested
Extracted facts
Stored fact records: 3. Some facts used in scoring do not have a stored record.
Metallurgical Results (3)
leachingBayhorse Silver Mine · antimonyRecovery: 99.9 %Head Grade: 5.85Head Grade Unit: %View all detailsHide details
Identity
- Project
- Bayhorse Silver Mine
- Commodity
- antimony
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BHS
Test Work
- Program Status
- preliminary
- Test Type
- leaching
- Processing Route
- proprietary leaching process
- Sample
- refractory tetrahedrite Bayhorse Silver Mine concentrate (silver/antimony/copper/zinc)
Recovery
- Recovery
- 99.9 %
- Recovery Basis
- actual_test
- Head Grade
- 5.85
- Head Grade Unit
- %
Lab
- Laboratory
- Allihies Engineering (AEI)
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-12-08T00:00:00.000Z
Reasoning: 99.9% recovery of antimony from a refractory concentrate is an exceptional metallurgical result.
Positive factors
- Exceptional selectivity
Fact 2Bayhorse Silver Mine · copperHead Grade: 5.79Head Grade Unit: %View all detailsHide details
Identity
- Project
- Bayhorse Silver Mine
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BHS
Test Work
- Sample
- refractory tetrahedrite Bayhorse Silver Mine concentrate (silver/antimony/copper/zinc)
Recovery
- Head Grade
- 5.79
- Head Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-12-08T00:00:00.000Z
Reasoning: Head grade reported for context.
Fact 3Bayhorse Silver Mine · zincHead Grade: 10.53Head Grade Unit: %View all detailsHide details
Identity
- Project
- Bayhorse Silver Mine
- Commodity
- zinc
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BHS
Test Work
- Sample
- refractory tetrahedrite Bayhorse Silver Mine concentrate (silver/antimony/copper/zinc)
Recovery
- Head Grade
- 10.53
- Head Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-12-08T00:00:00.000Z
Reasoning: Head grade reported for context.
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.