EDM Resources Announces Positive Ore Sorting Testwork Results for the Scotia Mine

Original announcement by jmn on

Company
EDM Resources Inc.
Ticker
EDM
Exchange
TSXV
Region
Nova Scotia
Primary commodity
Zinc
Secondary commodities
Lead
Document categories
Metallurgy
Extracted
2026-09-29 18:30:25 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

EDM Resources has announced positive results from XRF sensor-based ore sorting testwork at the Scotia Mine. The results showed significant grade increases for zinc and lead in the retained material, with the potential to reduce downstream processing costs and capital requirements.

Reasoning: The ore sorting testwork successfully demonstrated significant grade upgrades for zinc and lead with high recoveries and lower estimated capital costs compared to previous DMS methods.

Positive factors

  • Significant grade increase for both zinc and lead
  • Potential for substantial capital cost reduction compared to DMS
  • High recovery rates achieved via XRF sensor-based sorting
  • Demonstrates potential to reduce downstream processing mass

Negative factors

  • Lead recovery is slightly lower than previous DMS results
  • Results are from different testwork programs and samples, limiting direct comparison

Facts used in scoring: 4

Classification and evidence

Mill Routeneutral

Processing via mill or concentrator (CIL, CIP, tank leach, flotation).

Why it applies: The testwork aims to upgrade material reporting to downstream grinding and flotation circuits.

Evidence · text

“increase the zinc and lead grades of material reporting to the grinding and flotation circuits”

Gravity Routeneutral

Gravity separation forms a material part of the flowsheet.

Why it applies: the document describes a gravity route ("gravity")

Multi-Domain Testedpositive

Variability across ore domains (oxide, transition, fresh) has been addressed.

Why it applies: 2 distinct composites were tested

Extracted facts

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

Metallurgical Results (4)

XRF sensor-based sortingscotia mine · zincRecovery: 93.2 %Head Grade: 15.6Head Grade Unit: %View all details
Link to this fact

Identity

Project
scotia mine
Commodity
zinc
Region
canada_ns
Reported Region
Nova Scotia
Ticker
EDM

Test Work

Program Status
preliminary
Test Type
XRF sensor-based sorting
Processing Route
XRF sensor-based sorting
Sample
combined retained products (ore sorter stage)

Recovery

Recovery
93.2 %
Recovery Basis
actual_test
Head Grade
15.6
Head Grade Unit
%

Lab

Laboratory
SGS Canada Inc. and Steinert USA

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-28T00:00:00.000Z

Reasoning: Strong zinc recovery achieved through the new ore sorting technology.

Positive factors

  • High recovery of 93.2% achieved via ore sorting

Evidence · text

“combined retained products graded 19.4% lead and 20.7% zinc, resulting in recoveries of 94.8% of the lead and 93.2% of the zinc”
XRF sensor-based sortingscotia mine · leadRecovery: 94.8 %Head Grade: 14.2Head Grade Unit: %View all details
Link to this fact

Identity

Project
scotia mine
Commodity
lead
Region
canada_ns
Reported Region
Nova Scotia
Ticker
EDM

Test Work

Program Status
preliminary
Test Type
XRF sensor-based sorting
Processing Route
XRF sensor-based sorting
Sample
combined retained products (ore sorter stage)

Recovery

Recovery
94.8 %
Recovery Basis
actual_test
Head Grade
14.2
Head Grade Unit
%

Lab

Laboratory
SGS Canada Inc. and Steinert USA

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-28T00:00:00.000Z

Reasoning: Solid lead recovery achieved, though slightly lower than the previous DMS benchmark.

Positive factors

  • High lead recovery of 94.8%

Negative factors

  • Slightly lower recovery compared to DMS results (99.7%)

Evidence · text

“combined retained products graded 19.4% lead and 20.7% zinc, resulting in recoveries of 94.8% of the lead and 93.2% of the zinc”
XRF sensor-based sortingscotia mine · zincRecovery: 94.3 %Head Grade: 15.6Head Grade Unit: %View all details
Link to this fact

Identity

Project
scotia mine
Commodity
zinc
Region
canada_ns
Reported Region
Nova Scotia
Ticker
EDM

Test Work

Program Status
preliminary
Test Type
XRF sensor-based sorting
Processing Route
XRF sensor-based sorting
Sample
Eject Products +Fines (Global Balance)

Recovery

Recovery
94.3 %
Recovery Basis
actual_test
Head Grade
15.6
Head Grade Unit
%

Lab

Laboratory
SGS Canada Inc. and Steinert USA

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-28T00:00:00.000Z

Reasoning: The global metallurgical balance shows strong zinc recovery including the fines bypass.

Positive factors

  • High global zinc recovery of 94.3%

Evidence · table

“94.3”

Context: 396.3

XRF sensor-based sortingscotia mine · leadRecovery: 95.6 %Head Grade: 14.2Head Grade Unit: %View all details
Link to this fact

Identity

Project
scotia mine
Commodity
lead
Region
canada_ns
Reported Region
Nova Scotia
Ticker
EDM

Test Work

Program Status
preliminary
Test Type
XRF sensor-based sorting
Processing Route
XRF sensor-based sorting
Sample
Eject Products +Fines (Global Balance)

Recovery

Recovery
95.6 %
Recovery Basis
actual_test
Head Grade
14.2
Head Grade Unit
%

Lab

Laboratory
SGS Canada Inc. and Steinert USA

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-28T00:00:00.000Z

Reasoning: The global metallurgical balance shows strong lead recovery including the fines bypass.

Positive factors

  • High global lead recovery of 95.6%

Evidence · table

“95.6”

Context: 396.3

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.