Spartan Metals Reports Significant Silver-Antimony-Copper Assays with Grades up to 1,927 g/t Ag, 0.67% Sb, and 1.83% Cu from Past Producing Antelope Mine, Nevada

Original announcement by yahoo_press on

Company
Spartan Metals Corp.
Ticker
W
Exchange
TSXV
Region
Nevada
Primary commodity
Silver
Secondary commodities
Copper, Antimony, Arsenic
Document categories
Drill results
Extracted
2026-08-20 21:31:35 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Spartan Metals has reported high-grade silver assays from its Eagle Project in Nevada, including an intercept of 688 g/t Ag over 0.3m. The sample also contains copper, antimony, and arsenic.

Reasoning: High-grade silver intercept (688 g/t) with significant copper and antimony, though arsenic is noted as a deleterious element.

Positive factors

  • High silver grade
  • Presence of copper and antimony

Negative factors

  • Presence of arsenic

Facts used in scoring: 4

Classification and evidence

Deleterious Elements Presentnegative

Penalty elements (arsenic, antimony, etc.) or refractory concerns noted in the release.

Why it applies: Arsenic (1,336 ppm) is mentioned in the assay results.

Evidence · text

“1,336 ppm arsenic (As)”

Extracted facts

Stored fact records: 4. Some facts used in scoring do not have a stored record.

Drill Results (4)

Fact 1Eagle Project · silverGrade: 688Grade Unit: g/tIntercept: 0.3 mNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Eagle Project
Commodity
silver
Region
usa_nv
Reported Region
Nevada
Ticker
W

Geometry

Grade
688
Grade Unit
g/t
Intercept
0.3 m

Classification

Sample Type
drill
Group ID
null:0.0-0.3

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-25T00:00:00.000Z

Reasoning: 688 g/t Ag is a strong silver intercept.

Positive factors

  • Strong silver grade

Evidence · text

“688 g/t silver (Ag) over 0.3 meters (m)”
Fact 2Eagle Project · copperGrade: 0.67Grade Unit: %Intercept: 0.3 mNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Eagle Project
Commodity
copper
Region
usa_nv
Reported Region
Nevada
Ticker
W

Geometry

Grade
0.67
Grade Unit
%
Intercept
0.3 m

Classification

Sample Type
drill
Group ID
null:0.0-0.3

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-25T00:00:00.000Z

Reasoning: 0.67% Cu is a moderate grade intercept.

Positive factors

  • Presence of copper

Evidence · text

“0.67% copper (Cu)”
Fact 3Eagle Project · arsenicGrade: 1336Grade Unit: ppmIntercept: 0.3 mNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Eagle Project
Commodity
arsenic
Region
usa_nv
Reported Region
Nevada
Ticker
W

Geometry

Grade
1336
Grade Unit
ppm
Intercept
0.3 m

Classification

Sample Type
drill
Group ID
null:0.0-0.3

Deleterious

Deleterious Flag
Yes
Deleterious Elements
arsenic

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-25T00:00:00.000Z

Reasoning: Arsenic is a penalty element.

Negative factors

  • Deleterious element present

Evidence · text

“1,336 ppm arsenic (As)”
Fact 4Eagle Project · antimonyGrade: 0.3Grade Unit: %Intercept: 0.3 mNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Eagle Project
Commodity
antimony
Region
usa_nv
Reported Region
Nevada
Ticker
W

Geometry

Grade
0.3
Grade Unit
%
Intercept
0.3 m

Classification

Sample Type
drill
Group ID
null:0.0-0.3

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-25T00:00:00.000Z

Reasoning: 0.30% Sb is a notable byproduct grade.

Positive factors

  • Presence of antimony

Evidence · text

“0.30% antimony (Sb)”

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.