Bayhorse Silver - XRF Analysis of Bayhorse Silver Mine Flotation Concentrate Samples Shows Significant Contained Silver/Copper/Antimony/Zinc

Original announcement by tmx on

Company
Bayhorse Silver Inc
Ticker
BHS
Exchange
TSX
Region
Oregon, USA
Primary commodity
Silver
Secondary commodities
Copper, Antimony, Zinc, Lead
Document categories
Metallurgy
Extracted
2026-08-21 05:17:55 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Bayhorse Silver conducted XRF field analysis on flotation concentrate samples from its mine in Oregon, showing high grades of silver, copper, antimony, and zinc. The company is pursuing metallurgical testing with Allihies Engineering to determine if proprietary antimony leaching can improve recoveries for these refractory minerals.

Reasoning: The announcement reports high-grade flotation concentrate via XRF, but notes the ore is refractory and the XRF tool requires calibration and lab verification.

Positive factors

  • High grade concentrate results
  • Potential for antimony leaching technology

Negative factors

  • Refractory ore nature
  • XRF unit not recently calibrated
  • Results from development material, not ROM
  • XRF results require lab confirmation

Facts used in scoring: 5

Classification and evidence

Refractory Orenegative

Ore requires oxidation/pressure treatment before recovery — a processing and recovery risk.

Why it applies: The document explicitly states the dominant mineralization is refractory in nature.

Evidence · text

“is refractory in nature”

Bench Scale Onlynegative

Only preliminary bench tests completed — no locked-cycle or pilot work.

Why it applies: The analysis was conducted using field XRF on concentrate samples, which is a preliminary screening method.

Evidence · text

“XRF field analysis must be confirmed by lab analysis”

Extracted facts

Stored fact records: 5. Some facts used in scoring do not have a stored record.

Metallurgical Results (5)

Fact 1silverHead Grade: 135Head Grade Unit: oz/tView all details
Link to this fact

Identity

Commodity
silver
Ticker
BHS

Test Work

Sample
Average XRF field analysis of flotation concentrate

Recovery

Head Grade
135
Head Grade Unit
oz/t

Review

Needs Review
No
Historical
No

Dates

Event date
2025-10-20T00:00:00.000Z

Reasoning: Average silver grade of 135 oz/t reported via XRF.

Positive factors

  • High grade

Negative factors

  • XRF uncalibrated
  • Requires lab confirmation

Evidence · table

“135”

Context: 231

Fact 2copperHead Grade: 20.6Head Grade Unit: %View all details
Link to this fact

Identity

Commodity
copper
Ticker
BHS

Test Work

Sample
Average XRF field analysis of flotation concentrate

Recovery

Head Grade
20.6
Head Grade Unit
%

Review

Needs Review
No
Historical
No

Dates

Event date
2025-10-20T00:00:00.000Z

Reasoning: Average copper grade of 20.6% reported via XRF.

Positive factors

  • High grade

Negative factors

  • XRF uncalibrated

Evidence · table

“20.6%”

Context: 135

Fact 3antimonyHead Grade: 19.5Head Grade Unit: %View all details
Link to this fact

Identity

Commodity
antimony
Ticker
BHS

Test Work

Sample
Average XRF field analysis of flotation concentrate

Recovery

Head Grade
19.5
Head Grade Unit
%

Review

Needs Review
No
Historical
No

Dates

Event date
2025-10-20T00:00:00.000Z

Reasoning: Average antimony grade of 19.5% reported via XRF.

Positive factors

  • High grade

Negative factors

  • XRF uncalibrated

Evidence · table

“19.5%”

Context: 20.6%

Fact 4zincHead Grade: 40.3Head Grade Unit: %View all details
Link to this fact

Identity

Commodity
zinc
Ticker
BHS

Test Work

Sample
Average XRF field analysis of flotation concentrate

Recovery

Head Grade
40.3
Head Grade Unit
%

Review

Needs Review
No
Historical
No

Dates

Event date
2025-10-20T00:00:00.000Z

Reasoning: Average zinc grade of 40.3% reported via XRF.

Positive factors

  • High grade

Negative factors

  • XRF uncalibrated

Evidence · table

“40.3%”

Context: 19.5%

Fact 5leadHead Grade: 1.6Head Grade Unit: %View all details
Link to this fact

Identity

Commodity
lead
Ticker
BHS

Test Work

Sample
Average XRF field analysis of flotation concentrate

Recovery

Head Grade
1.6
Head Grade Unit
%

Review

Needs Review
No
Historical
No

Dates

Event date
2025-10-20T00:00:00.000Z

Reasoning: Average lead grade of 1.6% reported via XRF.

Evidence · table

“1.6%”

Context: 40.3%

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.