Midnight Sun Extends Dumbwa Copper Deposit to Over 5.3 Kilometres; Remains Open Along Strike with Drilling Ongoing

Original announcement by tmx on

Company
Midnight Sun Mining Corp.
Ticker
MMA
Exchange
TSX
Region
Zambia
Primary commodity
Copper
Secondary commodities
None reported
Document categories
Drill results
Extracted
2026-09-16 10:50:52 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Midnight Sun Mining Corp. announced drill results from its Dumbwa copper deposit in Zambia, extending the known mineralization to over 5.3 kilometers along strike. The program confirmed a large, near-surface, structurally controlled copper sulphide deposit with geological similarities to Barrick's Lumwana mine. The company also reported that previous quality control issues with laboratory analysis have been resolved, and the assay backlog is largely cleared.

Reasoning: The drilling program successfully extended the known copper mineralization at the Dumbwa deposit to over 5.3 km, confirming a large, near-surface, structurally controlled system with geological similarities to the nearby Lumwana mine. The resolution of prior laboratory quality control issues enhances confidence in the reported results, which include several wide and high-grade copper intercepts.

Positive factors

  • Significant strike length extension to 5.3 km
  • Confirmation of near-surface copper sulphide mineralization
  • Geological comparability to Barrick's Lumwana mine
  • Resolution of previous laboratory quality control issues
  • Multiple wide intercepts with good copper grades
  • Several high-grade intercepts including 5.94% Cu over 1m

Negative factors

  • Intervals reported are apparent widths only, not true widths
  • Cut-off grade for compositing is not disclosed
  • Some lower-grade intercepts reported
  • Assay backlog for 66 holes still pending

Facts used in scoring: 63

Classification and evidence

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: The drilling program is focused on 'growing the deposit to the north along strike and to extend previously drilled mineralisation east and west', indicating step-out drilling.

Evidence · text

“initial discovery and delineation drill program continues with 4 rigs focussed on growing the deposit to the north along strike and to extend previously drilled mineralisation east and west”

QA/QC Disclosedpositive

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

Why it applies: The release details the QA/QC program including certified lab, QP sign-off, and methods like blanks, standards, and duplicates.

Evidence · text

“Midnight Sun follows an in-house QA/QC program that consists of a random insertion every 10th sample of either a coarse blank, fine blank, coarse duplicate, fine duplicate, or Certified Reference Material (standards). Qualified Person: Darin Labrenz, P.Geo., a consulting geologist for the Company and Qualified Person under NI 43-101, has reviewed and approved the technical data and contents of this release.”

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 'Intervals listed are based on drilling intervals and therefore are considered relative rather than true widths'.

Evidence · text

“Intervals listed are based on drilling intervals and therefore are considered relative rather than true widths.”

Cut-off Undisclosednegative

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

Why it applies: The document does not state the cut-off grade used for compositing the reported intervals.

Evidence · text

“Intervals listed are based on drilling intervals and therefore are considered relative rather than true widths.”

Nearology Playneutral

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

Why it applies: The document repeatedly emphasizes the geological comparability and proximity of the Dumbwa deposit to Barrick’s Lumwana mine and First Quantum’s Kansanshi mine.

Evidence · text

“Dumbwa is a basement-hosted, strain-related deposit, geologically comparable in every way to Barrick’s Lumwana.”

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: The intercept of 1m at 5.94% Cu is exceptionally high-grade for an open-pit copper target, well above the exceptional threshold of 0.8% Cu.

Evidence · table

“5.94”

Context: 1

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: The intercept of 5m at 1.75% Cu is exceptionally high-grade for an open-pit copper target, well above the exceptional threshold of 0.8% Cu.

Evidence · table

“1.75”

Context: 5

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: The intercept of 8m at 1.71% Cu is exceptionally high-grade for an open-pit copper target, well above the exceptional threshold of 0.8% Cu.

Evidence · table

“1.71”

Context: 8

Extracted facts

Stored fact records: 63. Some facts used in scoring do not have a stored record.

Drill Results (63)

DBW-25-099RDumbwa · copperGrade: 0.54Grade Unit: %Intercept: 2 mView all details
Link to this fact

Identity

Hole ID
DBW-25-099R
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.54
Grade Unit
%
Intercept
2 m
From
58 m
To
60 m
Intercept Depth
58 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-099R:58-60
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A narrow intercept with a moderate copper grade, contributing to the overall understanding of the deposit.

Positive factors

  • Moderate copper grade

Negative factors

  • Narrow intercept length
  • Interval is apparent width only

Evidence · table

“0.54”

Context: 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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-099RDumbwa · copperGrade: 0.4Grade Unit: %Intercept: 93 mView all details
Link to this fact

Identity

Hole ID
DBW-25-099R
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.4
Grade Unit
%
Intercept
93 m
From
152 m
To
245 m
Intercept Depth
58 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-099R:152-245
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A very wide intercept with a strong copper grade, indicating significant mineralization and contributing positively to the deposit's scale.

Positive factors

  • Very wide intercept length
  • Strong copper grade for an open-pit target

Negative factors

  • Interval is apparent width only

Evidence · table

“0.40”

Context: 93

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-123Dumbwa · copperGrade: 0.31Grade Unit: %Intercept: 4.78 mView all details
Link to this fact

Identity

Hole ID
DBW-25-123
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.31
Grade Unit
%
Intercept
4.78 m
From
29 m
To
33.78 m
Intercept Depth
29 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-123:29-33.78
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A narrow intercept with a moderate copper grade, consistent with the overall mineralization.

Positive factors

  • Moderate copper grade

Negative factors

  • Narrow intercept length
  • Interval is apparent width only

Evidence · table

“0.31”

Context: 4.78

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-123Dumbwa · copperGrade: 0.44Grade Unit: %Intercept: 8 mView all details
Link to this fact

Identity

Hole ID
DBW-25-123
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.44
Grade Unit
%
Intercept
8 m
From
59 m
To
67 m
Intercept Depth
29 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-123:59-67
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A good intercept with a strong copper grade, adding to the overall mineralization profile.

Positive factors

  • Strong copper grade for an open-pit target

Negative factors

  • Interval is apparent width only

Evidence · table

“0.44”

Context: 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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-123Dumbwa · copperGrade: 0.39Grade Unit: %Intercept: 80 mView all details
Link to this fact

Identity

Hole ID
DBW-25-123
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.39
Grade Unit
%
Intercept
80 m
From
127 m
To
207 m
Intercept Depth
29 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-123:127-207
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A very wide intercept with a strong copper grade, indicating significant mineralization and contributing positively to the deposit's scale.

Positive factors

  • Very wide intercept length
  • Strong copper grade for an open-pit target

Negative factors

  • Interval is apparent width only

Evidence · table

“0.39”

Context: 80

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-036Dumbwa · copperGrade: 0.53Grade Unit: %Intercept: 44 mView all details
Link to this fact

Identity

Hole ID
DBW-25-036
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.53
Grade Unit
%
Intercept
44 m
From
0 m
To
44 m
Intercept Depth
0 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-036:0-44
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A wide, near-surface intercept with a strong copper grade, indicating significant mineralization amenable to open-pit development.

Positive factors

  • Wide intercept length
  • Strong copper grade for an open-pit target
  • Near-surface mineralization

Negative factors

  • Interval is apparent width only

Evidence · table

“0.53”

Context: 44

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-036Dumbwa · copperGrade: 0.37Grade Unit: %Intercept: 17.46 mView all details
Link to this fact

Identity

Hole ID
DBW-25-036
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.37
Grade Unit
%
Intercept
17.46 m
From
119.54 m
To
137 m
Intercept Depth
0 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-036:119.54-137
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A moderate width intercept with a moderate copper grade, contributing to the overall mineralization.

Positive factors

  • Moderate copper grade

Negative factors

  • Interval is apparent width only

Evidence · table

“0.37”

Context: 17.46

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-111Dumbwa · copperGrade: 1.75Grade Unit: %Intercept: 5 mView all details
Link to this fact

Identity

Hole ID
DBW-25-111
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
1.75
Grade Unit
%
Intercept
5 m
From
52 m
To
57 m
Intercept Depth
52 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-111:52-57
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A narrow but exceptionally high-grade copper intercept, indicating bonanza mineralization within the deposit.

Positive factors

  • Exceptional copper grade for an open-pit target
  • Bonanza Intercept

Negative factors

  • Narrow intercept length
  • Interval is apparent width only

Evidence · table

“1.75”

Context: 5

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-111Dumbwa · copperGrade: 0.35Grade Unit: %Intercept: 16 mView all details
Link to this fact

Identity

Hole ID
DBW-25-111
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.35
Grade Unit
%
Intercept
16 m
From
63 m
To
79 m
Intercept Depth
52 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-111:63-79
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A moderate width intercept with a moderate copper grade, consistent with the overall mineralization.

Positive factors

  • Moderate copper grade

Negative factors

  • Interval is apparent width only

Evidence · table

“0.35”

Context: 16

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-111Dumbwa · copperGrade: 0.25Grade Unit: %Intercept: 89 mView all details
Link to this fact

Identity

Hole ID
DBW-25-111
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.25
Grade Unit
%
Intercept
89 m
From
132 m
To
221 m
Intercept Depth
52 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-111:132-221
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A very wide intercept with a moderate copper grade, indicating significant bulk tonnage potential.

Positive factors

  • Very wide intercept length
  • Moderate copper grade for an open-pit target

Negative factors

  • Interval is apparent width only

Evidence · table

“0.25”

Context: 89

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-122Dumbwa · copperGrade: 0.18Grade Unit: %Intercept: 9.6 mView all details
Link to this fact

Identity

Hole ID
DBW-25-122
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.18
Grade Unit
%
Intercept
9.6 m
From
11 m
To
20.6 m
Intercept Depth
11 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-122:11-20.6
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A near-surface intercept with a weak copper grade, at the lower end of economic interest.

Positive factors

  • Near-surface mineralization

Negative factors

  • Weak copper grade
  • Interval is apparent width only

Evidence · table

“0.18”

Context: 9.6

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-122Dumbwa · copperGrade: 0.19Grade Unit: %Intercept: 14 mView all details
Link to this fact

Identity

Hole ID
DBW-25-122
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.19
Grade Unit
%
Intercept
14 m
From
77 m
To
91 m
Intercept Depth
11 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-122:77-91
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A moderate width intercept with a weak copper grade, at the lower end of economic interest.

Negative factors

  • Weak copper grade
  • Interval is apparent width only

Evidence · table

“0.19”

Context: 14

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-122Dumbwa · copperGrade: 0.58Grade Unit: %Intercept: 36 mView all details
Link to this fact

Identity

Hole ID
DBW-25-122
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.58
Grade Unit
%
Intercept
36 m
From
106 m
To
142 m
Intercept Depth
11 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-122:106-142
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A wide intercept with a strong copper grade, indicating significant mineralization.

Positive factors

  • Wide intercept length
  • Strong copper grade for an open-pit target

Negative factors

  • Interval is apparent width only

Evidence · table

“0.58”

Context: 36

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-122Dumbwa · copperGrade: 1.03Grade Unit: %Intercept: 15 mView all details
Link to this fact

Identity

Hole ID
DBW-25-122
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
1.03
Grade Unit
%
Intercept
15 m
From
127 m
To
142 m
Intercept Depth
11 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-122:127-142
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A significant intercept with an exceptional copper grade, indicating a high-grade zone within the wider mineralization.

Positive factors

  • Exceptional copper grade for an open-pit target
  • Bonanza Intercept

Negative factors

  • Interval is apparent width only

Evidence · table

“1.03”

Context: 15

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-122Dumbwa · copperGrade: 0.3Grade Unit: %Intercept: 67 mView all details
Link to this fact

Identity

Hole ID
DBW-25-122
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.3
Grade Unit
%
Intercept
67 m
From
171 m
To
238 m
Intercept Depth
11 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-122:171-238
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A very wide intercept with a moderate copper grade, indicating significant bulk tonnage potential.

Positive factors

  • Very wide intercept length
  • Moderate copper grade for an open-pit target

Negative factors

  • Interval is apparent width only

Evidence · table

“0.30”

Context: 67

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-147Dumbwa · copperGrade: 0.2Grade Unit: %Intercept: 17 mView all details
Link to this fact

Identity

Hole ID
DBW-25-147
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.2
Grade Unit
%
Intercept
17 m
From
0 m
To
17 m
Intercept Depth
0 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-147:0-17
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A near-surface intercept with a moderate copper grade, contributing to the overall mineralization.

Positive factors

  • Near-surface mineralization

Negative factors

  • Moderate copper grade
  • Interval is apparent width only

Evidence · table

“0.20”

Context: 17

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-147Dumbwa · copperGrade: 0.34Grade Unit: %Intercept: 61 mView all details
Link to this fact

Identity

Hole ID
DBW-25-147
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.34
Grade Unit
%
Intercept
61 m
From
41 m
To
102 m
Intercept Depth
0 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-147:41-102
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A very wide intercept with a moderate copper grade, indicating significant bulk tonnage potential.

Positive factors

  • Very wide intercept length
  • Moderate copper grade for an open-pit target

Negative factors

  • Interval is apparent width only

Evidence · table

“0.34”

Context: 61

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-147Dumbwa · copperGrade: 1.3Grade Unit: %Intercept: 6 mView all details
Link to this fact

Identity

Hole ID
DBW-25-147
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
1.3
Grade Unit
%
Intercept
6 m
From
41 m
To
47 m
Intercept Depth
0 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-147:41-47
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A narrow but exceptionally high-grade copper intercept, indicating a bonanza zone within the wider mineralization.

Positive factors

  • Exceptional copper grade for an open-pit target
  • Bonanza Intercept

Negative factors

  • Interval is apparent width only

Evidence · table

“1.30”

Context: 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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-147Dumbwa · copperGrade: 1.38Grade Unit: %Intercept: 3 mView all details
Link to this fact

Identity

Hole ID
DBW-25-147
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
1.38
Grade Unit
%
Intercept
3 m
From
82 m
To
85 m
Intercept Depth
0 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-147:82-85
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A narrow but exceptionally high-grade copper intercept, indicating a bonanza zone within the wider mineralization.

Positive factors

  • Exceptional copper grade for an open-pit target
  • Bonanza Intercept

Negative factors

  • Narrow intercept length
  • Interval is apparent width only

Evidence · table

“1.38”

Context: 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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-147Dumbwa · copperGrade: 0.27Grade Unit: %Intercept: 15 mView all details
Link to this fact

Identity

Hole ID
DBW-25-147
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.27
Grade Unit
%
Intercept
15 m
From
111 m
To
126 m
Intercept Depth
0 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-147:111-126
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A moderate width intercept with a moderate copper grade, consistent with the overall mineralization.

Positive factors

  • Moderate copper grade

Negative factors

  • Interval is apparent width only

Evidence · table

“0.27”

Context: 15

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-147Dumbwa · copperGrade: 0.51Grade Unit: %Intercept: 14.05 mView all details
Link to this fact

Identity

Hole ID
DBW-25-147
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.51
Grade Unit
%
Intercept
14.05 m
From
154 m
To
168.05 m
Intercept Depth
0 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-147:154-168.05
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A moderate width intercept with a strong copper grade, adding to the overall mineralization profile.

Positive factors

  • Strong copper grade for an open-pit target

Negative factors

  • Interval is apparent width only

Evidence · table

“0.51”

Context: 14.05

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-147Dumbwa · copperGrade: 1.34Grade Unit: %Intercept: 1 mView all details
Link to this fact

Identity

Hole ID
DBW-25-147
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
1.34
Grade Unit
%
Intercept
1 m
From
182 m
To
183 m
Intercept Depth
0 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-147:182-183
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A very narrow but exceptionally high-grade copper intercept, indicating a bonanza zone.

Positive factors

  • Exceptional copper grade for an open-pit target
  • Bonanza Intercept

Negative factors

  • Very narrow intercept length
  • Interval is apparent width only

Evidence · table

“1.34”

Context: 1

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-064Dumbwa · copperGrade: 0.42Grade Unit: %Intercept: 46.3 mView all details
Link to this fact

Identity

Hole ID
DBW-25-064
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.42
Grade Unit
%
Intercept
46.3 m
From
0.7 m
To
47 m
Intercept Depth
0.7 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-064:0.7-47
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A wide, near-surface intercept with a strong copper grade, indicating significant mineralization amenable to open-pit development.

Positive factors

  • Wide intercept length
  • Strong copper grade for an open-pit target
  • Near-surface mineralization

Negative factors

  • Interval is apparent width only

Evidence · table

“0.42”

Context: 46.3

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-114Dumbwa · copperGrade: 0.21Grade Unit: %Intercept: 6 mView all details
Link to this fact

Identity

Hole ID
DBW-25-114
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.21
Grade Unit
%
Intercept
6 m
From
26 m
To
32 m
Intercept Depth
26 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-114:26-32
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A narrow intercept with a moderate copper grade, consistent with the overall mineralization.

Positive factors

  • Moderate copper grade

Negative factors

  • Narrow intercept length
  • Interval is apparent width only

Evidence · table

“0.21”

Context: 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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-114Dumbwa · copperGrade: 0.37Grade Unit: %Intercept: 44 mView all details
Link to this fact

Identity

Hole ID
DBW-25-114
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.37
Grade Unit
%
Intercept
44 m
From
43 m
To
87 m
Intercept Depth
26 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-114:43-87
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A wide intercept with a moderate copper grade, indicating significant mineralization.

Positive factors

  • Wide intercept length
  • Moderate copper grade for an open-pit target

Negative factors

  • Interval is apparent width only

Evidence · table

“0.37”

Context: 44

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-114Dumbwa · copperGrade: 0.15Grade Unit: %Intercept: 86.5 mView all details
Link to this fact

Identity

Hole ID
DBW-25-114
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.15
Grade Unit
%
Intercept
86.5 m
From
122 m
To
208.5 m
Intercept Depth
26 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-114:122-208.5
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A very wide intercept with a weak copper grade, at the lower end of economic viability for an open-pit target.

Positive factors

  • Very wide intercept length

Negative factors

  • Weak copper grade
  • Interval is apparent width only

Evidence · table

“0.15”

Context: 86.5

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-149Dumbwa · copperGrade: 0.85Grade Unit: %Intercept: 17.84 mView all details
Link to this fact

Identity

Hole ID
DBW-25-149
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.85
Grade Unit
%
Intercept
17.84 m
From
23 m
To
40.84 m
Intercept Depth
23 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-149:23-40.84
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A significant intercept with an exceptional copper grade, indicating a high-grade zone.

Positive factors

  • Exceptional copper grade for an open-pit target

Negative factors

  • Interval is apparent width only

Evidence · table

“0.85”

Context: 17.84

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-149Dumbwa · copperGrade: 1.71Grade Unit: %Intercept: 8 mView all details
Link to this fact

Identity

Hole ID
DBW-25-149
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
1.71
Grade Unit
%
Intercept
8 m
From
31 m
To
39 m
Intercept Depth
23 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-149:31-39
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A narrow but exceptionally high-grade copper intercept, indicating bonanza mineralization within the wider zone.

Positive factors

  • Exceptional copper grade for an open-pit target
  • Bonanza Intercept

Negative factors

  • Interval is apparent width only

Evidence · table

“1.71”

Context: 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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-149Dumbwa · copperGrade: 0.38Grade Unit: %Intercept: 21.42 mView all details
Link to this fact

Identity

Hole ID
DBW-25-149
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.38
Grade Unit
%
Intercept
21.42 m
From
50.58 m
To
72 m
Intercept Depth
23 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-149:50.58-72
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A moderate width intercept with a moderate copper grade, contributing to the overall mineralization.

Positive factors

  • Moderate copper grade

Negative factors

  • Interval is apparent width only

Evidence · table

“0.38”

Context: 21.42

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-149Dumbwa · copperGrade: 0.38Grade Unit: %Intercept: 26.65 mView all details
Link to this fact

Identity

Hole ID
DBW-25-149
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.38
Grade Unit
%
Intercept
26.65 m
From
171 m
To
197.65 m
Intercept Depth
23 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-149:171-197.65
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A moderate width intercept with a moderate copper grade, contributing to the overall mineralization.

Positive factors

  • Moderate copper grade

Negative factors

  • Interval is apparent width only

Evidence · table

“0.38”

Context: 26.65

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-110Dumbwa · copperGrade: 0.36Grade Unit: %Intercept: 35 mView all details
Link to this fact

Identity

Hole ID
DBW-25-110
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.36
Grade Unit
%
Intercept
35 m
From
42 m
To
77 m
Intercept Depth
42 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-110:42-77
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A wide intercept with a moderate copper grade, indicating significant mineralization.

Positive factors

  • Wide intercept length
  • Moderate copper grade for an open-pit target

Negative factors

  • Interval is apparent width only

Evidence · table

“0.36”

Context: 35

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-110Dumbwa · copperGrade: 0.34Grade Unit: %Intercept: 13 mView all details
Link to this fact

Identity

Hole ID
DBW-25-110
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.34
Grade Unit
%
Intercept
13 m
From
89 m
To
102 m
Intercept Depth
42 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-110:89-102
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A moderate width intercept with a moderate copper grade, consistent with the overall mineralization.

Positive factors

  • Moderate copper grade

Negative factors

  • Interval is apparent width only

Evidence · table

“0.34”

Context: 13

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-110Dumbwa · copperGrade: 0.2Grade Unit: %Intercept: 9 mView all details
Link to this fact

Identity

Hole ID
DBW-25-110
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.2
Grade Unit
%
Intercept
9 m
From
145 m
To
154 m
Intercept Depth
42 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-110:145-154
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A narrow intercept with a moderate copper grade, consistent with the overall mineralization.

Positive factors

  • Moderate copper grade

Negative factors

  • Interval is apparent width only

Evidence · table

“0.20”

Context: 9

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-065Dumbwa · copperGrade: 0.16Grade Unit: %Intercept: 7 mView all details
Link to this fact

Identity

Hole ID
DBW-25-065
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.16
Grade Unit
%
Intercept
7 m
From
91 m
To
98 m
Intercept Depth
91 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-065:91-98
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A narrow intercept with a weak copper grade, at the lower end of economic interest.

Negative factors

  • Weak copper grade
  • Interval is apparent width only

Evidence · table

“0.16”

Context: 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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-065Dumbwa · copperGrade: 0.33Grade Unit: %Intercept: 36 mView all details
Link to this fact

Identity

Hole ID
DBW-25-065
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.33
Grade Unit
%
Intercept
36 m
From
127 m
To
163 m
Intercept Depth
91 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-065:127-163
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A wide intercept with a moderate copper grade, indicating significant mineralization.

Positive factors

  • Wide intercept length
  • Moderate copper grade for an open-pit target

Negative factors

  • Interval is apparent width only

Evidence · table

“0.33”

Context: 36

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-106Dumbwa · copperGrade: 0.19Grade Unit: %Intercept: 5 mView all details
Link to this fact

Identity

Hole ID
DBW-25-106
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.19
Grade Unit
%
Intercept
5 m
From
38 m
To
43 m
Intercept Depth
38 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-106:38-43
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A narrow intercept with a weak copper grade, at the lower end of economic interest.

Negative factors

  • Weak copper grade
  • Interval is apparent width only

Evidence · table

“0.19”

Context: 5

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-106Dumbwa · copperGrade: 0.4Grade Unit: %Intercept: 8 mView all details
Link to this fact

Identity

Hole ID
DBW-25-106
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.4
Grade Unit
%
Intercept
8 m
From
59 m
To
67 m
Intercept Depth
38 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-106:59-67
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A moderate width intercept with a strong copper grade, adding to the overall mineralization profile.

Positive factors

  • Strong copper grade for an open-pit target

Negative factors

  • Interval is apparent width only

Evidence · table

“0.4”

Context: 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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-106Dumbwa · copperGrade: 0.31Grade Unit: %Intercept: 37 mView all details
Link to this fact

Identity

Hole ID
DBW-25-106
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.31
Grade Unit
%
Intercept
37 m
From
173 m
To
210 m
Intercept Depth
38 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-106:173-210
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A wide intercept with a moderate copper grade, indicating significant mineralization.

Positive factors

  • Wide intercept length
  • Moderate copper grade for an open-pit target

Negative factors

  • Interval is apparent width only

Evidence · table

“0.31”

Context: 37

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-031Dumbwa · copperGrade: 0.34Grade Unit: %Intercept: 9 mView all details
Link to this fact

Identity

Hole ID
DBW-25-031
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.34
Grade Unit
%
Intercept
9 m
From
27 m
To
36 m
Intercept Depth
27 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-031:27-36
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A narrow intercept with a moderate copper grade, consistent with the overall mineralization.

Positive factors

  • Moderate copper grade

Negative factors

  • Interval is apparent width only

Evidence · table

“0.34”

Context: 9

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-031Dumbwa · copperGrade: 0.49Grade Unit: %Intercept: 23 mView all details
Link to this fact

Identity

Hole ID
DBW-25-031
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.49
Grade Unit
%
Intercept
23 m
From
119 m
To
142 m
Intercept Depth
27 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-031:119-142
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A significant intercept with a strong copper grade, adding to the overall mineralization profile.

Positive factors

  • Strong copper grade for an open-pit target

Negative factors

  • Interval is apparent width only

Evidence · table

“0.49”

Context: 23

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-031Dumbwa · copperGrade: 0.34Grade Unit: %Intercept: 21 mView all details
Link to this fact

Identity

Hole ID
DBW-25-031
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.34
Grade Unit
%
Intercept
21 m
From
160 m
To
181 m
Intercept Depth
27 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-031:160-181
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A moderate width intercept with a moderate copper grade, contributing to the overall mineralization.

Positive factors

  • Moderate copper grade

Negative factors

  • Interval is apparent width only

Evidence · table

“0.34”

Context: 21

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-037Dumbwa · copperGrade: 0.25Grade Unit: %Intercept: 42 mView all details
Link to this fact

Identity

Hole ID
DBW-25-037
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.25
Grade Unit
%
Intercept
42 m
From
0 m
To
42 m
Intercept Depth
0 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-037:0-42
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A wide, near-surface intercept with a moderate copper grade, indicating significant mineralization amenable to open-pit development.

Positive factors

  • Wide intercept length
  • Moderate copper grade for an open-pit target
  • Near-surface mineralization

Negative factors

  • Interval is apparent width only

Evidence · table

“0.25”

Context: 42

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-127Dumbwa · copperGrade: 0.32Grade Unit: %Intercept: 30 mView all details
Link to this fact

Identity

Hole ID
DBW-25-127
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.32
Grade Unit
%
Intercept
30 m
From
42 m
To
72 m
Intercept Depth
42 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-127:42-72
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A wide intercept with a moderate copper grade, indicating significant mineralization.

Positive factors

  • Wide intercept length
  • Moderate copper grade for an open-pit target

Negative factors

  • Interval is apparent width only

Evidence · table

“0.32”

Context: 30

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-127Dumbwa · copperGrade: 0.53Grade Unit: %Intercept: 11 mView all details
Link to this fact

Identity

Hole ID
DBW-25-127
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.53
Grade Unit
%
Intercept
11 m
From
96 m
To
107 m
Intercept Depth
42 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-127:96-107
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A moderate width intercept with a strong copper grade, adding to the overall mineralization profile.

Positive factors

  • Strong copper grade for an open-pit target

Negative factors

  • Interval is apparent width only

Evidence · table

“0.53”

Context: 11

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-127Dumbwa · copperGrade: 0.29Grade Unit: %Intercept: 5.05 mView all details
Link to this fact

Identity

Hole ID
DBW-25-127
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.29
Grade Unit
%
Intercept
5.05 m
From
174.95 m
To
180 m
Intercept Depth
42 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-127:174.95-180
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A narrow intercept with a moderate copper grade, consistent with the overall mineralization.

Positive factors

  • Moderate copper grade

Negative factors

  • Narrow intercept length
  • Interval is apparent width only

Evidence · table

“0.29”

Context: 5.05

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-117Dumbwa · copperGrade: 0.51Grade Unit: %Intercept: 4 mView all details
Link to this fact

Identity

Hole ID
DBW-25-117
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.51
Grade Unit
%
Intercept
4 m
From
42 m
To
46 m
Intercept Depth
42 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-117:42-46
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A narrow intercept with a strong copper grade, adding to the overall mineralization profile.

Positive factors

  • Strong copper grade for an open-pit target

Negative factors

  • Narrow intercept length
  • Interval is apparent width only

Evidence · table

“0.51”

Context: 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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-117Dumbwa · copperGrade: 0.3Grade Unit: %Intercept: 28 mView all details
Link to this fact

Identity

Hole ID
DBW-25-117
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.3
Grade Unit
%
Intercept
28 m
From
67 m
To
95 m
Intercept Depth
42 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-117:67-95
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A moderate width intercept with a moderate copper grade, contributing to the overall mineralization.

Positive factors

  • Moderate copper grade for an open-pit target

Negative factors

  • Interval is apparent width only

Evidence · table

“0.30”

Context: 28

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-117Dumbwa · copperGrade: 0.19Grade Unit: %Intercept: 6 mView all details
Link to this fact

Identity

Hole ID
DBW-25-117
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.19
Grade Unit
%
Intercept
6 m
From
103 m
To
109 m
Intercept Depth
42 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-117:103-109
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A narrow intercept with a weak copper grade, at the lower end of economic interest.

Negative factors

  • Weak copper grade
  • Interval is apparent width only

Evidence · table

“0.19”

Context: 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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-117Dumbwa · copperGrade: 0.15Grade Unit: %Intercept: 39 mView all details
Link to this fact

Identity

Hole ID
DBW-25-117
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.15
Grade Unit
%
Intercept
39 m
From
143 m
To
182 m
Intercept Depth
42 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-117:143-182
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A wide intercept with a weak copper grade, at the lower end of economic viability for an open-pit target.

Positive factors

  • Wide intercept length

Negative factors

  • Weak copper grade
  • Interval is apparent width only

Evidence · table

“0.15”

Context: 39

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-120Dumbwa · copperGrade: 0.54Grade Unit: %Intercept: 6 mView all details
Link to this fact

Identity

Hole ID
DBW-25-120
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.54
Grade Unit
%
Intercept
6 m
From
13 m
To
19 m
Intercept Depth
13 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-120:13-19
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A narrow, near-surface intercept with a strong copper grade, adding to the overall mineralization profile.

Positive factors

  • Strong copper grade for an open-pit target
  • Near-surface mineralization

Negative factors

  • Interval is apparent width only

Evidence · table

“0.54”

Context: 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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-120Dumbwa · copperGrade: 0.15Grade Unit: %Intercept: 55.5 mView all details
Link to this fact

Identity

Hole ID
DBW-25-120
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.15
Grade Unit
%
Intercept
55.5 m
From
89 m
To
144.5 m
Intercept Depth
13 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-120:89-144.5
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A very wide intercept with a weak copper grade, at the lower end of economic viability for an open-pit target.

Positive factors

  • Very wide intercept length

Negative factors

  • Weak copper grade
  • Interval is apparent width only

Evidence · table

“0.15”

Context: 55.5

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-120Dumbwa · copperGrade: 0.46Grade Unit: %Intercept: 8 mView all details
Link to this fact

Identity

Hole ID
DBW-25-120
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.46
Grade Unit
%
Intercept
8 m
From
164 m
To
172 m
Intercept Depth
13 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-120:164-172
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A moderate width intercept with a strong copper grade, adding to the overall mineralization profile.

Positive factors

  • Strong copper grade for an open-pit target

Negative factors

  • Interval is apparent width only

Evidence · table

“0.46”

Context: 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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-108Dumbwa · copperGrade: 0.2Grade Unit: %Intercept: 41 mView all details
Link to this fact

Identity

Hole ID
DBW-25-108
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.2
Grade Unit
%
Intercept
41 m
From
10 m
To
51 m
Intercept Depth
10 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-108:10-51
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A wide, near-surface intercept with a moderate copper grade, indicating significant mineralization amenable to open-pit development.

Positive factors

  • Wide intercept length
  • Moderate copper grade for an open-pit target
  • Near-surface mineralization

Negative factors

  • Interval is apparent width only

Evidence · table

“0.20”

Context: 41

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-108Dumbwa · copperGrade: 0.14Grade Unit: %Intercept: 47 mView all details
Link to this fact

Identity

Hole ID
DBW-25-108
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.14
Grade Unit
%
Intercept
47 m
From
106 m
To
153 m
Intercept Depth
10 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-108:106-153
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A wide intercept with a weak copper grade, at the lower end of economic viability for an open-pit target.

Positive factors

  • Wide intercept length

Negative factors

  • Weak copper grade
  • Interval is apparent width only

Evidence · table

“0.14”

Context: 47

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-054Dumbwa · copperGrade: 0.19Grade Unit: %Intercept: 6 mView all details
Link to this fact

Identity

Hole ID
DBW-25-054
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.19
Grade Unit
%
Intercept
6 m
From
14 m
To
20 m
Intercept Depth
14 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-054:14-20
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A narrow, near-surface intercept with a weak copper grade, at the lower end of economic interest.

Positive factors

  • Near-surface mineralization

Negative factors

  • Weak copper grade
  • Interval is apparent width only

Evidence · table

“0.19”

Context: 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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-054Dumbwa · copperGrade: 0.47Grade Unit: %Intercept: 17 mView all details
Link to this fact

Identity

Hole ID
DBW-25-054
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.47
Grade Unit
%
Intercept
17 m
From
37 m
To
54 m
Intercept Depth
14 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-054:37-54
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A moderate width intercept with a strong copper grade, adding to the overall mineralization profile.

Positive factors

  • Strong copper grade for an open-pit target

Negative factors

  • Interval is apparent width only

Evidence · table

“0.47”

Context: 17

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-054Dumbwa · copperGrade: 5.94Grade Unit: %Intercept: 1 mView all details
Link to this fact

Identity

Hole ID
DBW-25-054
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
5.94
Grade Unit
%
Intercept
1 m
From
37 m
To
38 m
Intercept Depth
14 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-054:37-38
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A very narrow but exceptionally high-grade copper intercept, indicating bonanza mineralization within the wider zone.

Positive factors

  • Exceptional copper grade for an open-pit target
  • Bonanza Intercept

Negative factors

  • Very narrow intercept length
  • Interval is apparent width only

Evidence · table

“5.94”

Context: 1

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-054Dumbwa · copperGrade: 0.57Grade Unit: %Intercept: 1.7 mView all details
Link to this fact

Identity

Hole ID
DBW-25-054
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.57
Grade Unit
%
Intercept
1.7 m
From
64.3 m
To
66 m
Intercept Depth
14 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-054:64.3-66
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A very narrow intercept with a strong copper grade, contributing to the overall mineralization.

Positive factors

  • Strong copper grade for an open-pit target

Negative factors

  • Very narrow intercept length
  • Interval is apparent width only

Evidence · table

“0.57”

Context: 1.7

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-054Dumbwa · copperGrade: 1.01Grade Unit: %Intercept: 7 mView all details
Link to this fact

Identity

Hole ID
DBW-25-054
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
1.01
Grade Unit
%
Intercept
7 m
From
79 m
To
86 m
Intercept Depth
14 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-054:79-86
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A narrow but exceptionally high-grade copper intercept, indicating bonanza mineralization.

Positive factors

  • Exceptional copper grade for an open-pit target
  • Bonanza Intercept

Negative factors

  • Interval is apparent width only

Evidence · table

“1.01”

Context: 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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-148Dumbwa · copperGrade: 0.18Grade Unit: %Intercept: 5.8 mView all details
Link to this fact

Identity

Hole ID
DBW-25-148
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.18
Grade Unit
%
Intercept
5.8 m
From
72.2 m
To
78 m
Intercept Depth
72.2 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-148:72.2-78
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A narrow intercept with a weak copper grade, at the lower end of economic interest.

Negative factors

  • Weak copper grade
  • Interval is apparent width only

Evidence · table

“0.18”

Context: 5.8

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-148Dumbwa · copperGrade: 0.17Grade Unit: %Intercept: 16 mView all details
Link to this fact

Identity

Hole ID
DBW-25-148
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.17
Grade Unit
%
Intercept
16 m
From
86 m
To
102 m
Intercept Depth
72.2 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-148:86-102
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A moderate width intercept with a weak copper grade, at the lower end of economic interest.

Negative factors

  • Weak copper grade
  • Interval is apparent width only

Evidence · table

“0.17”

Context: 16

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-148Dumbwa · copperGrade: 0.17Grade Unit: %Intercept: 20.7 mView all details
Link to this fact

Identity

Hole ID
DBW-25-148
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.17
Grade Unit
%
Intercept
20.7 m
From
119 m
To
139.7 m
Intercept Depth
72.2 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-148:119-139.7
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A moderate width intercept with a weak copper grade, at the lower end of economic interest.

Negative factors

  • Weak copper grade
  • Interval is apparent width only

Evidence · table

“0.17”

Context: 20.7

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

DBW-25-148Dumbwa · copperGrade: 0.33Grade Unit: %Intercept: 21 mView all details
Link to this fact

Identity

Hole ID
DBW-25-148
Project
Dumbwa
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
MMA

Geometry

Grade
0.33
Grade Unit
%
Intercept
21 m
From
169 m
To
190 m
Intercept Depth
72.2 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
DBW-25-148:169-190
Mining Method
open_pit

QA/QC

Laboratory
SGS Labs
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-13T00:00:00.000Z

Reasoning: A moderate width intercept with a moderate copper grade, contributing to the overall mineralization.

Positive factors

  • Moderate copper grade

Negative factors

  • Interval is apparent width only

Evidence · table

“0.33”

Context: 21

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

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: "“What began as a geological concept has now been established as a significant discovery, with over 5.3km of strike now t"

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.