Excellon Restarts Mining at Mallay and Highlights Emerging "Footwall Zone" Upside

Original announcement by tmx on

Company
Excellon Resources Inc.
Ticker
EXN
Exchange
TSX
Region
Peru
Primary commodity
Silver
Secondary commodities
Lead, Zinc
Document categories
Drill results, Production, Metallurgy
Extracted
2026-09-12 04:21:41 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Excellon Resources has announced the restart of mining activities at the Mallay silver-lead-zinc mine in Peru, including underground mining and haulage cycles. The company also highlighted the identification of an emerging 'Footwall Zone' characterized by wider mineralized intervals, which will be a focus of an ongoing 10,000-metre drill program.

Reasoning: The company is restarting mining operations at Mallay and has identified a new potential mineralized zone (Footwall Zone), though the highlighted drill results are historical and require validation.

Positive factors

  • Mine restart advancing on multiple fronts
  • Identification of emerging Footwall Zone with potential for wider mineralized intervals
  • Initial metallurgical testwork supports processing via blending
  • 10,000-metre infill and extension drill program underway

Negative factors

  • Footwall Zone results are historical and unverified by current QP
  • True widths for historical intercepts are unknown

Facts used in scoring: 18

Classification and evidence

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: The drill results for the Footwall Zone are historical (2010-2017) and are being re-announced without new assays.

Evidence · text

“Drill results referenced in this news release are historical in nature and were completed by Compañía de Minas Buenaventura S.A.A. from 2010 to 2017.”

Apparent Width Onlynegative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: The document explicitly states that true widths are unknown for the historical drill intercepts.

Evidence · text

“True widths are unknown and may vary by hole due to intercept angles created by fanned drill arrays.”

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: The company states that a Qualified Person has not completed sufficient work to verify these historical results.

Evidence · text

“A Qualified Person has not completed sufficient work to verify these historical drill results and Excellon is not treating the historical results as current Mineral Resources or Mineral Reserves.”

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: 18. Some facts used in scoring do not have a stored record.

Drill Results (18)

MLL17-77Mallay · silverGrade: 118.19Grade Unit: g/tIntercept: 4.4 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MLL17-77
Project
Mallay
Commodity
silver
Region
peru
Reported Region
peru
Ticker
EXN

Geometry

Grade
118.19
Grade Unit
g/t
Intercept
4.4 m
From
11.6 m
To
15.9 m
Intercept Depth
11.6 m

Classification

Sample Type
drill
Group ID
MLL17-77:11.6-15.9

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2017-01-01T00:00:00.000Z

Dates

Event date
2026-02-05T00:00:00.000Z

Reasoning: High grade silver intercept from historical drilling.

Positive factors

  • High grade silver

Negative factors

  • Historical data unverified by current QP
  • True width unknown

Evidence · table

“118.19”

Context: 4.4

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Mine access and readiness advancing (rehab + services): Rehabilitation and access work progressed on upper levels, inclu"

MLL17-77Mallay · leadGrade: 3.07Grade Unit: %Intercept: 4.4 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MLL17-77
Project
Mallay
Commodity
lead
Region
peru
Reported Region
peru
Ticker
EXN

Geometry

Grade
3.07
Grade Unit
%
Intercept
4.4 m
From
11.6 m
To
15.9 m
Intercept Depth
11.6 m

Classification

Sample Type
drill
Group ID
MLL17-77:11.6-15.9

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2017-01-01T00:00:00.000Z

Dates

Event date
2026-02-05T00:00:00.000Z

Reasoning: Lead grade reported in historical intercept.

Negative factors

  • Historical data unverified by current QP
  • True width unknown

Evidence · table

“3.07”

Context: 4.4

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Mine access and readiness advancing (rehab + services): Rehabilitation and access work progressed on upper levels, inclu"

MLL17-77Mallay · zincGrade: 3.67Grade Unit: %Intercept: 4.4 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MLL17-77
Project
Mallay
Commodity
zinc
Region
peru
Reported Region
peru
Ticker
EXN

Geometry

Grade
3.67
Grade Unit
%
Intercept
4.4 m
From
11.6 m
To
15.9 m
Intercept Depth
11.6 m

Classification

Sample Type
drill
Group ID
MLL17-77:11.6-15.9

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2017-01-01T00:00:00.000Z

Dates

Event date
2026-02-05T00:00:00.000Z

Reasoning: Zinc grade reported in historical intercept.

Negative factors

  • Historical data unverified by current QP
  • True width unknown

Evidence · table

“3.67”

Context: 4.4

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Mine access and readiness advancing (rehab + services): Rehabilitation and access work progressed on upper levels, inclu"

ISG-08-05Mallay · silverGrade: 88.32Grade Unit: g/tIntercept: 9.3 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
ISG-08-05
Project
Mallay
Commodity
silver
Region
peru
Reported Region
peru
Ticker
EXN

Geometry

Grade
88.32
Grade Unit
g/t
Intercept
9.3 m
From
104.7 m
To
114 m
Intercept Depth
104.7 m

Classification

Sample Type
drill
Group ID
ISG-08-05:104.7-114

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2017-01-01T00:00:00.000Z

Dates

Event date
2026-02-05T00:00:00.000Z

Reasoning: Historical silver intercept.

Negative factors

  • Historical data unverified by current QP
  • True width unknown

Evidence · table

“88.32”

Context: 9.3

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Mine access and readiness advancing (rehab + services): Rehabilitation and access work progressed on upper levels, inclu"

ISG-08-05Mallay · leadGrade: 1.45Grade Unit: %Intercept: 9.3 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
ISG-08-05
Project
Mallay
Commodity
lead
Region
peru
Reported Region
peru
Ticker
EXN

Geometry

Grade
1.45
Grade Unit
%
Intercept
9.3 m
From
104.7 m
To
114 m
Intercept Depth
104.7 m

Classification

Sample Type
drill
Group ID
ISG-08-05:104.7-114

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2017-01-01T00:00:00.000Z

Dates

Event date
2026-02-05T00:00:00.000Z

Reasoning: Historical lead intercept.

Negative factors

  • Historical data unverified by current QP
  • True width unknown

Evidence · table

“1.45”

Context: 9.3

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Mine access and readiness advancing (rehab + services): Rehabilitation and access work progressed on upper levels, inclu"

ISG-08-05Mallay · zincGrade: 2.47Grade Unit: %Intercept: 9.3 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
ISG-08-05
Project
Mallay
Commodity
zinc
Region
peru
Reported Region
peru
Ticker
EXN

Geometry

Grade
2.47
Grade Unit
%
Intercept
9.3 m
From
104.7 m
To
114 m
Intercept Depth
104.7 m

Classification

Sample Type
drill
Group ID
ISG-08-05:104.7-114

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2017-01-01T00:00:00.000Z

Dates

Event date
2026-02-05T00:00:00.000Z

Reasoning: Historical zinc intercept.

Negative factors

  • Historical data unverified by current QP
  • True width unknown

Evidence · table

“2.47”

Context: 9.3

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Mine access and readiness advancing (rehab + services): Rehabilitation and access work progressed on upper levels, inclu"

ISG-10-01Mallay · silverGrade: 92.35Grade Unit: g/tIntercept: 8.2 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
ISG-10-01
Project
Mallay
Commodity
silver
Region
peru
Reported Region
peru
Ticker
EXN

Geometry

Grade
92.35
Grade Unit
g/t
Intercept
8.2 m
From
61.7 m
To
69.9 m
Intercept Depth
61.7 m

Classification

Sample Type
drill
Group ID
ISG-10-01:61.7-69.9

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2017-01-01T00:00:00.000Z

Dates

Event date
2026-02-05T00:00:00.000Z

Reasoning: Historical silver intercept.

Negative factors

  • Historical data unverified by current QP
  • True width unknown

Evidence · table

“92.35”

Context: 8.2

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Mine access and readiness advancing (rehab + services): Rehabilitation and access work progressed on upper levels, inclu"

ISG-10-01Mallay · leadGrade: 0.97Grade Unit: %Intercept: 8.2 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
ISG-10-01
Project
Mallay
Commodity
lead
Region
peru
Reported Region
peru
Ticker
EXN

Geometry

Grade
0.97
Grade Unit
%
Intercept
8.2 m
From
61.7 m
To
69.9 m
Intercept Depth
61.7 m

Classification

Sample Type
drill
Group ID
ISG-10-01:61.7-69.9

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2017-01-01T00:00:00.000Z

Dates

Event date
2026-02-05T00:00:00.000Z

Reasoning: Historical lead intercept.

Negative factors

  • Historical data unverified by current QP
  • True width unknown

Evidence · table

“0.97”

Context: 8.2

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Mine access and readiness advancing (rehab + services): Rehabilitation and access work progressed on upper levels, inclu"

ISG-10-01Mallay · zincGrade: 1.74Grade Unit: %Intercept: 8.2 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
ISG-10-01
Project
Mallay
Commodity
zinc
Region
peru
Reported Region
peru
Ticker
EXN

Geometry

Grade
1.74
Grade Unit
%
Intercept
8.2 m
From
61.7 m
To
69.9 m
Intercept Depth
61.7 m

Classification

Sample Type
drill
Group ID
ISG-10-01:61.7-69.9

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2017-01-01T00:00:00.000Z

Dates

Event date
2026-02-05T00:00:00.000Z

Reasoning: Historical zinc intercept.

Negative factors

  • Historical data unverified by current QP
  • True width unknown

Evidence · table

“1.74”

Context: 8.2

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Mine access and readiness advancing (rehab + services): Rehabilitation and access work progressed on upper levels, inclu"

ISG-10-04Mallay · silverGrade: 41.1Grade Unit: g/tIntercept: 10.7 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
ISG-10-04
Project
Mallay
Commodity
silver
Region
peru
Reported Region
peru
Ticker
EXN

Geometry

Grade
41.1
Grade Unit
g/t
Intercept
10.7 m
From
65.8 m
To
76.5 m
Intercept Depth
65.8 m

Classification

Sample Type
drill
Group ID
ISG-10-04:65.8-76.5

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2017-01-01T00:00:00.000Z

Dates

Event date
2026-02-05T00:00:00.000Z

Reasoning: Historical silver intercept.

Negative factors

  • Historical data unverified by current QP
  • True width unknown

Evidence · table

“41.10”

Context: 10.7

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Mine access and readiness advancing (rehab + services): Rehabilitation and access work progressed on upper levels, inclu"

ISG-10-04Mallay · leadGrade: 0.41Grade Unit: %Intercept: 10.7 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
ISG-10-04
Project
Mallay
Commodity
lead
Region
peru
Reported Region
peru
Ticker
EXN

Geometry

Grade
0.41
Grade Unit
%
Intercept
10.7 m
From
65.8 m
To
76.5 m
Intercept Depth
65.8 m

Classification

Sample Type
drill
Group ID
ISG-10-04:65.8-76.5

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2017-01-01T00:00:00.000Z

Dates

Event date
2026-02-05T00:00:00.000Z

Reasoning: Historical lead intercept.

Negative factors

  • Historical data unverified by current QP
  • True width unknown

Evidence · table

“0.41”

Context: 10.7

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Mine access and readiness advancing (rehab + services): Rehabilitation and access work progressed on upper levels, inclu"

ISG-10-04Mallay · zincGrade: 1.48Grade Unit: %Intercept: 10.7 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
ISG-10-04
Project
Mallay
Commodity
zinc
Region
peru
Reported Region
peru
Ticker
EXN

Geometry

Grade
1.48
Grade Unit
%
Intercept
10.7 m
From
65.8 m
To
76.5 m
Intercept Depth
65.8 m

Classification

Sample Type
drill
Group ID
ISG-10-04:65.8-76.5

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2017-01-01T00:00:00.000Z

Dates

Event date
2026-02-05T00:00:00.000Z

Reasoning: Historical zinc intercept.

Negative factors

  • Historical data unverified by current QP
  • True width unknown

Evidence · table

“1.48”

Context: 10.7

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Mine access and readiness advancing (rehab + services): Rehabilitation and access work progressed on upper levels, inclu"

PS-13-68Mallay · silverGrade: 86.78Grade Unit: g/tIntercept: 7.6 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
PS-13-68
Project
Mallay
Commodity
silver
Region
peru
Reported Region
peru
Ticker
EXN

Geometry

Grade
86.78
Grade Unit
g/t
Intercept
7.6 m
From
0.4 m
To
7.9 m
Intercept Depth
0.4 m

Classification

Sample Type
drill
Group ID
PS-13-68:0.4-7.9

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2017-01-01T00:00:00.000Z

Dates

Event date
2026-02-05T00:00:00.000Z

Reasoning: Historical silver intercept.

Negative factors

  • Historical data unverified by current QP
  • True width unknown

Evidence · table

“86.78”

Context: 7.6

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Mine access and readiness advancing (rehab + services): Rehabilitation and access work progressed on upper levels, inclu"

PS-13-68Mallay · leadGrade: 2.26Grade Unit: %Intercept: 7.6 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
PS-13-68
Project
Mallay
Commodity
lead
Region
peru
Reported Region
peru
Ticker
EXN

Geometry

Grade
2.26
Grade Unit
%
Intercept
7.6 m
From
0.4 m
To
7.9 m
Intercept Depth
0.4 m

Classification

Sample Type
drill
Group ID
PS-13-68:0.4-7.9

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2017-01-01T00:00:00.000Z

Dates

Event date
2026-02-05T00:00:00.000Z

Reasoning: Historical lead intercept.

Negative factors

  • Historical data unverified by current QP
  • True width unknown

Evidence · table

“2.26”

Context: 7.6

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Mine access and readiness advancing (rehab + services): Rehabilitation and access work progressed on upper levels, inclu"

PS-13-68Mallay · zincGrade: 3.02Grade Unit: %Intercept: 7.6 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
PS-13-68
Project
Mallay
Commodity
zinc
Region
peru
Reported Region
peru
Ticker
EXN

Geometry

Grade
3.02
Grade Unit
%
Intercept
7.6 m
From
0.4 m
To
7.9 m
Intercept Depth
0.4 m

Classification

Sample Type
drill
Group ID
PS-13-68:0.4-7.9

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2017-01-01T00:00:00.000Z

Dates

Event date
2026-02-05T00:00:00.000Z

Reasoning: Historical zinc intercept.

Negative factors

  • Historical data unverified by current QP
  • True width unknown

Evidence · table

“3.02”

Context: 7.6

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Mine access and readiness advancing (rehab + services): Rehabilitation and access work progressed on upper levels, inclu"

MLL17-73Mallay · silverGrade: 52.25Grade Unit: g/tIntercept: 4.8 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MLL17-73
Project
Mallay
Commodity
silver
Region
peru
Reported Region
peru
Ticker
EXN

Geometry

Grade
52.25
Grade Unit
g/t
Intercept
4.8 m
From
9.5 m
To
14.3 m
Intercept Depth
9.5 m

Classification

Sample Type
drill
Group ID
MLL17-73:9.5-14.3

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2017-01-01T00:00:00.000Z

Dates

Event date
2026-02-05T00:00:00.000Z

Reasoning: Historical silver intercept.

Negative factors

  • Historical data unverified by current QP
  • True width unknown

Evidence · table

“52.25”

Context: 4.8

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Mine access and readiness advancing (rehab + services): Rehabilitation and access work progressed on upper levels, inclu"

MLL17-73Mallay · leadGrade: 1.06Grade Unit: %Intercept: 4.8 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MLL17-73
Project
Mallay
Commodity
lead
Region
peru
Reported Region
peru
Ticker
EXN

Geometry

Grade
1.06
Grade Unit
%
Intercept
4.8 m
From
9.5 m
To
14.3 m
Intercept Depth
9.5 m

Classification

Sample Type
drill
Group ID
MLL17-73:9.5-14.3

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2017-01-01T00:00:00.000Z

Dates

Event date
2026-02-05T00:00:00.000Z

Reasoning: Historical lead intercept.

Negative factors

  • Historical data unverified by current QP
  • True width unknown

Evidence · table

“1.06”

Context: 4.8

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Mine access and readiness advancing (rehab + services): Rehabilitation and access work progressed on upper levels, inclu"

MLL17-73Mallay · zincGrade: 2.02Grade Unit: %Intercept: 4.8 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MLL17-73
Project
Mallay
Commodity
zinc
Region
peru
Reported Region
peru
Ticker
EXN

Geometry

Grade
2.02
Grade Unit
%
Intercept
4.8 m
From
9.5 m
To
14.3 m
Intercept Depth
9.5 m

Classification

Sample Type
drill
Group ID
MLL17-73:9.5-14.3

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2017-01-01T00:00:00.000Z

Dates

Event date
2026-02-05T00:00:00.000Z

Reasoning: Historical zinc intercept.

Negative factors

  • Historical data unverified by current QP
  • True width unknown

Evidence · table

“2.02”

Context: 4.8

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: proximity is offered as the value premise: "Mine access and readiness advancing (rehab + services): Rehabilitation and access work progressed on upper levels, inclu"

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.