PSC: Nyungu Central Infill Drilling Assays and Exploration Update

Original announcement by asx on

Company
Prospect Resources Limited
Ticker
PSC
Exchange
ASX
Region
Zambia
Primary commodity
Copper
Secondary commodities
Cobalt, Gold
Document categories
Drill results, Metallurgy
Extracted
2026-10-14 23:11:16 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Prospect Resources Limited announced high-grade copper intercepts from infill drilling at Nyungu Central, including 10m at 1.10% Cu and 5.68m at 1.51% Cu, confirming continuity and strengthening confidence in the deposit. Regional exploration identified two significant copper anomalies at Shikezi, with the larger extending over 1km. Metallurgical testwork on Nyungu Central and Kabikupa composites returned excellent copper recoveries, supporting the Mumbezhi Copper Project's advancement towards a Scoping Study in Q1 2027.

Reasoning: The announcement reports strong copper grades from infill drilling at Nyungu Central, confirming continuity and enhancing confidence in the deposit. New copper anomalies identified at Shikezi highlight regional exploration potential, and metallurgical testwork shows excellent copper recoveries. However, some assays are pending, and true widths are not reported.

Positive factors

  • High-grade copper intercepts from infill drilling
  • Confirmation of continuity and quality of mineralization at Nyungu Central
  • Identification of new significant copper anomalies at Shikezi
  • Multiple drill rigs active across the project for resource growth and exploration
  • Scoping Study on track for Q1 2027
  • Excellent copper recoveries from metallurgical testwork

Negative factors

  • Partial assays pending for some high-priority infill holes
  • Aircore results are pXRF determinations, not lab assays, and are below resource cut-off
  • True width not reported for drill intercepts
  • Cobalt and gold grades in new intercepts are generally lower than project average

Low confidence — this extraction should be reviewed alongside the original source.

Facts used in scoring: 38

Classification and evidence

Mill Routeneutral

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

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

Single Domain Onlynegative

Testing limited to one composite or domain — representativeness not established.

Why it applies: only one composite was tested

Extracted facts

Stored fact records: 38. Some facts used in scoring do not have a stored record.

Drill Results (36)

NCDD042Nyungu Central · copperGrade: 1.1Grade Unit: %Intercept: 10 mView all details
Link to this fact

Identity

Hole ID
NCDD042
Project
Nyungu Central
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
1.1
Grade Unit
%
Intercept
10 m
From
97 m
To
107 m
Hole Depth
375 m
Intercept Depth
97 m

Classification

Program
resource
Sample Type
drill
Group ID
NCDD042:97-107
Mining Method
open_pit

Location

Easting
339020
Northing
8630250
CRS
UTM_WGS84_35S
Elevation
1310 m
Azimuth
90 °
Dip
-70 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: The intercept of 10.0m at 1.10% Cu is a strong result for open pit copper, confirming the continuity of high-grade mineralization at Nyungu Central.

Positive factors

  • Strong copper grade (1.10% Cu) for open pit mining
  • Good intercept width (10.0m)
  • Confirms continuity of high-grade mineralization

Negative factors

  • True width not reported
  • Assays pending for deeper sections of the hole

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Strong GradeRejected · positive · Story-specific tag

No canonical definition is currently available.

Reason: 1.10% Cu exceeds the 1.0% Cu threshold for strong grade in open pit copper deposits.

Evidence · text

“1.10% Cu”

Apparent Width OnlyRejected · negative

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

Reason: The document explicitly states that downhole length is reported, not true width.

Evidence · text

“Down hole length is being reported, not the true width.”
NCDD042Nyungu Central · cobaltGrade: 0.03Grade Unit: %Intercept: 10 mView all details
Link to this fact

Identity

Hole ID
NCDD042
Project
Nyungu Central
Commodity
cobalt
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.03
Grade Unit
%
Intercept
10 m
From
97 m
To
107 m
Hole Depth
375 m
Intercept Depth
97 m

Classification

Program
resource
Sample Type
drill
Group ID
NCDD042:97-107
Mining Method
open_pit

Location

Easting
339020
Northing
8630250
CRS
UTM_WGS84_35S
Elevation
1310 m
Azimuth
90 °
Dip
-70 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: The cobalt grade of 0.03% is below the weak threshold and the project average, indicating low materiality for cobalt in this intercept.

Negative factors

  • Cobalt grade (0.03% Co) is below the weak threshold for cobalt (0.08% Co)
  • Cobalt grade is lower than the project average (0.081% Co)

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Apparent Width OnlyRejected · negative

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

Reason: The document explicitly states that downhole length is reported, not true width.

Evidence · text

“Down hole length is being reported, not the true width.”
NCDD042Nyungu Central · goldGrade: 0.11Grade Unit: g/tIntercept: 10 mView all details
Link to this fact

Identity

Hole ID
NCDD042
Project
Nyungu Central
Commodity
gold
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.11
Grade Unit
g/t
Intercept
10 m
From
97 m
To
107 m
Hole Depth
375 m
Intercept Depth
97 m

Classification

Program
resource
Sample Type
drill
Group ID
NCDD042:97-107
Mining Method
open_pit

Location

Easting
339020
Northing
8630250
CRS
UTM_WGS84_35S
Elevation
1310 m
Azimuth
90 °
Dip
-70 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: The gold grade of 0.11 g/t is below the weak threshold and the project average, indicating low materiality for gold in this intercept.

Negative factors

  • Gold grade (0.11 g/t Au) is below the weak threshold for gold (0.3 g/t Au)
  • Gold grade is lower than the project average (0.236 g/t Au)

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Apparent Width OnlyRejected · negative

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

Reason: The document explicitly states that downhole length is reported, not true width.

Evidence · text

“Down hole length is being reported, not the true width.”
NCDD042Nyungu Central · copperGrade: 0.47Grade Unit: %Intercept: 6.6 mView all details
Link to this fact

Identity

Hole ID
NCDD042
Project
Nyungu Central
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.47
Grade Unit
%
Intercept
6.6 m
From
115 m
To
121.6 m
Hole Depth
375 m
Intercept Depth
97 m

Classification

Program
resource
Sample Type
drill
Group ID
NCDD042:115-121.6
Mining Method
open_pit

Location

Easting
339020
Northing
8630250
CRS
UTM_WGS84_35S
Elevation
1310 m
Azimuth
90 °
Dip
-70 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: The intercept of 6.6m at 0.47% Cu is a moderate result, above the weak threshold for open pit copper but below the project average.

Positive factors

  • Copper grade (0.47% Cu) is above the weak threshold for open pit copper (0.25% Cu)

Negative factors

  • True width not reported
  • Copper grade is lower than the project average (0.534% Cu)

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Apparent Width OnlyRejected · negative

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

Reason: The document explicitly states that downhole length is reported, not true width.

Evidence · text

“Down hole length is being reported, not the true width.”
NCDD042Nyungu Central · goldGrade: 0.41Grade Unit: g/tIntercept: 6.6 mView all details
Link to this fact

Identity

Hole ID
NCDD042
Project
Nyungu Central
Commodity
gold
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.41
Grade Unit
g/t
Intercept
6.6 m
From
115 m
To
121.6 m
Hole Depth
375 m
Intercept Depth
97 m

Classification

Program
resource
Sample Type
drill
Group ID
NCDD042:115-121.6
Mining Method
open_pit

Location

Easting
339020
Northing
8630250
CRS
UTM_WGS84_35S
Elevation
1310 m
Azimuth
90 °
Dip
-70 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: The gold grade of 0.41 g/t is a weak result, above the weak threshold but below the project average.

Positive factors

  • Gold grade (0.41 g/t Au) is above the weak threshold for gold (0.3 g/t Au)

Negative factors

  • True width not reported
  • Gold grade is lower than the project average (0.236 g/t Au)

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Apparent Width OnlyRejected · negative

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

Reason: The document explicitly states that downhole length is reported, not true width.

Evidence · text

“Down hole length is being reported, not the true width.”
NCDD042Nyungu Central · copperGrade: 0.39Grade Unit: %Intercept: 4 mView all details
Link to this fact

Identity

Hole ID
NCDD042
Project
Nyungu Central
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.39
Grade Unit
%
Intercept
4 m
From
132 m
To
136 m
Hole Depth
375 m
Intercept Depth
97 m

Classification

Program
resource
Sample Type
drill
Group ID
NCDD042:132-136
Mining Method
open_pit

Location

Easting
339020
Northing
8630250
CRS
UTM_WGS84_35S
Elevation
1310 m
Azimuth
90 °
Dip
-70 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: The intercept of 4.0m at 0.39% Cu is a weak result, above the weak threshold for open pit copper but below the project average.

Positive factors

  • Copper grade (0.39% Cu) is above the weak threshold for open pit copper (0.25% Cu)

Negative factors

  • True width not reported
  • Copper grade is lower than the project average (0.534% Cu)

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Apparent Width OnlyRejected · negative

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

Reason: The document explicitly states that downhole length is reported, not true width.

Evidence · text

“Down hole length is being reported, not the true width.”
NCDD042Nyungu Central · goldGrade: 0.09Grade Unit: g/tIntercept: 4 mView all details
Link to this fact

Identity

Hole ID
NCDD042
Project
Nyungu Central
Commodity
gold
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.09
Grade Unit
g/t
Intercept
4 m
From
132 m
To
136 m
Hole Depth
375 m
Intercept Depth
97 m

Classification

Program
resource
Sample Type
drill
Group ID
NCDD042:132-136
Mining Method
open_pit

Location

Easting
339020
Northing
8630250
CRS
UTM_WGS84_35S
Elevation
1310 m
Azimuth
90 °
Dip
-70 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: The gold grade of 0.09 g/t is below the weak threshold and the project average, indicating low materiality for gold in this intercept.

Negative factors

  • Gold grade (0.09 g/t Au) is below the weak threshold for gold (0.3 g/t Au)
  • Gold grade is lower than the project average (0.236 g/t Au)

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Apparent Width OnlyRejected · negative

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

Reason: The document explicitly states that downhole length is reported, not true width.

Evidence · text

“Down hole length is being reported, not the true width.”
NCDD042Nyungu Central · copperGrade: 0.34Grade Unit: %Intercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
NCDD042
Project
Nyungu Central
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.34
Grade Unit
%
Intercept
1.5 m
From
26.3 m
To
27.8 m
Hole Depth
375 m
Intercept Depth
26.3 m

Classification

Program
resource
Sample Type
drill
Group ID
NCDD042:26.3-27.8
Mining Method
open_pit

Location

Easting
339020
Northing
8630250
CRS
UTM_WGS84_35S
Elevation
1310 m
Azimuth
90 °
Dip
-70 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: The intercept of 1.5m at 0.34% Cu is a weak result, above the weak threshold for open pit copper but narrow and below the project average.

Positive factors

  • Copper grade (0.34% Cu) is above the weak threshold for open pit copper (0.25% Cu)

Negative factors

  • True width not reported
  • Narrow intercept width (1.5m)
  • Copper grade is lower than the project average (0.534% Cu)

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Apparent Width OnlyRejected · negative

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

Reason: The document explicitly states that downhole length is reported, not true width.

Evidence · text

“Down hole length is being reported, not the true width.”
NCDD042Nyungu Central · cobaltGrade: 0.02Grade Unit: %Intercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
NCDD042
Project
Nyungu Central
Commodity
cobalt
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.02
Grade Unit
%
Intercept
1.5 m
From
26.3 m
To
27.8 m
Hole Depth
375 m
Intercept Depth
26.3 m

Classification

Program
resource
Sample Type
drill
Group ID
NCDD042:26.3-27.8
Mining Method
open_pit

Location

Easting
339020
Northing
8630250
CRS
UTM_WGS84_35S
Elevation
1310 m
Azimuth
90 °
Dip
-70 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: The cobalt grade of 0.02% is below the weak threshold and the project average, indicating low materiality for cobalt in this intercept.

Negative factors

  • Cobalt grade (0.02% Co) is below the weak threshold for cobalt (0.08% Co)
  • Cobalt grade is lower than the project average (0.081% Co)

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Apparent Width OnlyRejected · negative

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

Reason: The document explicitly states that downhole length is reported, not true width.

Evidence · text

“Down hole length is being reported, not the true width.”
NCDD042Nyungu Central · goldGrade: 0.02Grade Unit: g/tIntercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
NCDD042
Project
Nyungu Central
Commodity
gold
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.02
Grade Unit
g/t
Intercept
1.5 m
From
26.3 m
To
27.8 m
Hole Depth
375 m
Intercept Depth
26.3 m

Classification

Program
resource
Sample Type
drill
Group ID
NCDD042:26.3-27.8
Mining Method
open_pit

Location

Easting
339020
Northing
8630250
CRS
UTM_WGS84_35S
Elevation
1310 m
Azimuth
90 °
Dip
-70 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: The gold grade of 0.02 g/t is below the weak threshold and the project average, indicating low materiality for gold in this intercept.

Negative factors

  • Gold grade (0.02 g/t Au) is below the weak threshold for gold (0.3 g/t Au)
  • Gold grade is lower than the project average (0.236 g/t Au)

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Apparent Width OnlyRejected · negative

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

Reason: The document explicitly states that downhole length is reported, not true width.

Evidence · text

“Down hole length is being reported, not the true width.”
NCDD041Nyungu Central · copperGrade: 1.51Grade Unit: %Intercept: 5.68 mView all details
Link to this fact

Identity

Hole ID
NCDD041
Project
Nyungu Central
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
1.51
Grade Unit
%
Intercept
5.68 m
From
162.42 m
To
168.1 m
Hole Depth
325 m
Intercept Depth
162.42 m

Classification

Program
resource
Sample Type
drill
Group ID
NCDD041:162.42-168.1
Mining Method
open_pit

Location

Easting
339200
Northing
8629950
CRS
UTM_WGS84_35S
Elevation
1310 m
Azimuth
90 °
Dip
-70 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: The intercept of 5.68m at 1.51% Cu is a strong result, representing a new best copper grade for the project and confirming high-grade continuity.

Positive factors

  • Strong copper grade (1.51% Cu) for open pit mining
  • New best copper grade for the project (1.51% Cu vs prior best 1.38% Cu)
  • Confirms continuity of high-grade mineralization

Negative factors

  • True width not reported

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Strong GradeRejected · positive · Story-specific tag

No canonical definition is currently available.

Reason: 1.51% Cu exceeds the 1.0% Cu threshold for strong grade in open pit copper deposits and is a new best grade for the project.

Evidence · text

“1.51% Cu”

Apparent Width OnlyRejected · negative

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

Reason: The document explicitly states that downhole length is reported, not true width.

Evidence · text

“Down hole length is being reported, not the true width.”
NCDD041Nyungu Central · cobaltGrade: 0.02Grade Unit: %Intercept: 5.68 mView all details
Link to this fact

Identity

Hole ID
NCDD041
Project
Nyungu Central
Commodity
cobalt
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.02
Grade Unit
%
Intercept
5.68 m
From
162.42 m
To
168.1 m
Hole Depth
325 m
Intercept Depth
162.42 m

Classification

Program
resource
Sample Type
drill
Group ID
NCDD041:162.42-168.1
Mining Method
open_pit

Location

Easting
339200
Northing
8629950
CRS
UTM_WGS84_35S
Elevation
1310 m
Azimuth
90 °
Dip
-70 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: The cobalt grade of 0.02% is below the weak threshold and the project average, indicating low materiality for cobalt in this intercept.

Negative factors

  • Cobalt grade (0.02% Co) is below the weak threshold for cobalt (0.08% Co)
  • Cobalt grade is lower than the project average (0.081% Co)

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Apparent Width OnlyRejected · negative

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

Reason: The document explicitly states that downhole length is reported, not true width.

Evidence · text

“Down hole length is being reported, not the true width.”
NCDD041Nyungu Central · goldGrade: 0.06Grade Unit: g/tIntercept: 5.68 mView all details
Link to this fact

Identity

Hole ID
NCDD041
Project
Nyungu Central
Commodity
gold
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.06
Grade Unit
g/t
Intercept
5.68 m
From
162.42 m
To
168.1 m
Hole Depth
325 m
Intercept Depth
162.42 m

Classification

Program
resource
Sample Type
drill
Group ID
NCDD041:162.42-168.1
Mining Method
open_pit

Location

Easting
339200
Northing
8629950
CRS
UTM_WGS84_35S
Elevation
1310 m
Azimuth
90 °
Dip
-70 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: The gold grade of 0.06 g/t is below the weak threshold and the project average, indicating low materiality for gold in this intercept.

Negative factors

  • Gold grade (0.06 g/t Au) is below the weak threshold for gold (0.3 g/t Au)
  • Gold grade is lower than the project average (0.236 g/t Au)

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Apparent Width OnlyRejected · negative

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

Reason: The document explicitly states that downhole length is reported, not true width.

Evidence · text

“Down hole length is being reported, not the true width.”
NCDD041Nyungu Central · copperGrade: 0.48Grade Unit: %Intercept: 6 mView all details
Link to this fact

Identity

Hole ID
NCDD041
Project
Nyungu Central
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.48
Grade Unit
%
Intercept
6 m
From
113 m
To
119 m
Hole Depth
325 m
Intercept Depth
113 m

Classification

Program
resource
Sample Type
drill
Group ID
NCDD041:113-119
Mining Method
open_pit

Location

Easting
339200
Northing
8629950
CRS
UTM_WGS84_35S
Elevation
1310 m
Azimuth
90 °
Dip
-70 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: The intercept of 6.0m at 0.48% Cu is a moderate result, above the weak threshold for open pit copper but below the project average.

Positive factors

  • Copper grade (0.48% Cu) is above the weak threshold for open pit copper (0.25% Cu)

Negative factors

  • True width not reported
  • Copper grade is lower than the project average (0.534% Cu)

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Apparent Width OnlyRejected · negative

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

Reason: The document explicitly states that downhole length is reported, not true width.

Evidence · text

“Down hole length is being reported, not the true width.”
NCDD041Nyungu Central · cobaltGrade: 0.01Grade Unit: %Intercept: 6 mView all details
Link to this fact

Identity

Hole ID
NCDD041
Project
Nyungu Central
Commodity
cobalt
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.01
Grade Unit
%
Intercept
6 m
From
113 m
To
119 m
Hole Depth
325 m
Intercept Depth
113 m

Classification

Program
resource
Sample Type
drill
Group ID
NCDD041:113-119
Mining Method
open_pit

Location

Easting
339200
Northing
8629950
CRS
UTM_WGS84_35S
Elevation
1310 m
Azimuth
90 °
Dip
-70 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: The cobalt grade of 0.01% is below the weak threshold and the project average, indicating low materiality for cobalt in this intercept.

Negative factors

  • Cobalt grade (0.01% Co) is below the weak threshold for cobalt (0.08% Co)
  • Cobalt grade is lower than the project average (0.081% Co)

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Apparent Width OnlyRejected · negative

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

Reason: The document explicitly states that downhole length is reported, not true width.

Evidence · text

“Down hole length is being reported, not the true width.”
NCDD041Nyungu Central · goldGrade: 0.01Grade Unit: g/tIntercept: 6 mView all details
Link to this fact

Identity

Hole ID
NCDD041
Project
Nyungu Central
Commodity
gold
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.01
Grade Unit
g/t
Intercept
6 m
From
113 m
To
119 m
Hole Depth
325 m
Intercept Depth
113 m

Classification

Program
resource
Sample Type
drill
Group ID
NCDD041:113-119
Mining Method
open_pit

Location

Easting
339200
Northing
8629950
CRS
UTM_WGS84_35S
Elevation
1310 m
Azimuth
90 °
Dip
-70 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: The gold grade of <0.01 g/t is below the weak threshold and the project average, indicating low materiality for gold in this intercept.

Negative factors

  • Gold grade (<0.01 g/t Au) is below the weak threshold for gold (0.3 g/t Au)
  • Gold grade is lower than the project average (0.236 g/t Au)

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Apparent Width OnlyRejected · negative

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

Reason: The document explicitly states that downhole length is reported, not true width.

Evidence · text

“Down hole length is being reported, not the true width.”
SZAC043Shikezi · copperGrade: 501Grade Unit: ppmIntercept: 25 mView all details
Link to this fact

Identity

Hole ID
SZAC043
Project
Shikezi
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
501
Grade Unit
ppm
Intercept
25 m
From
2 m
To
27 m
Hole Depth
27 m
Intercept Depth
2 m

Classification

Program
exploration
Sample Type
drill
Group ID
SZAC043:2-27
Mining Method
open_pit

Location

Easting
357141
Northing
8633973
CRS
UTM_WGS84_35S
Elevation
1296 m
Azimuth
0 °
Dip
-90 °
Loc. Confidence
medium
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: This intercept identifies a new copper anomaly with good width, but the grade is low and from pXRF, indicating early-stage exploration potential requiring follow-up.

Positive factors

  • New significant copper anomaly identified
  • Good intercept width (25m)
  • Open at end of hole, indicating potential for further mineralization

Negative factors

  • Grade (501 ppm Cu or 0.05% Cu) is well below resource cut-off (0.2% Cu)
  • Results are from pXRF, not certified lab assays
  • True width not reported

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

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Apparent Width OnlyRejected · negative

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

Reason: The document explicitly states that downhole length is reported, not true width.

Evidence · text

“Down hole length is being reported, not the true width.”
SZAC047Shikezi · copperGrade: 448Grade Unit: ppmIntercept: 22 mView all details
Link to this fact

Identity

Hole ID
SZAC047
Project
Shikezi
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
448
Grade Unit
ppm
Intercept
22 m
From
3 m
To
25 m
Hole Depth
25 m
Intercept Depth
3 m

Classification

Program
exploration
Sample Type
drill
Group ID
SZAC047:3-25
Mining Method
open_pit

Location

Easting
357410
Northing
8633744
CRS
UTM_WGS84_35S
Elevation
1283 m
Azimuth
0 °
Dip
-90 °
Loc. Confidence
medium
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: This intercept identifies a new copper anomaly with good width, but the grade is low and from pXRF, indicating early-stage exploration potential requiring follow-up.

Positive factors

  • New significant copper anomaly identified
  • Good intercept width (22m)
  • Open at end of hole, indicating potential for further mineralization

Negative factors

  • Grade (448 ppm Cu or 0.04% Cu) is well below resource cut-off (0.2% Cu)
  • Results are from pXRF, not certified lab assays
  • True width not reported

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

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Apparent Width OnlyRejected · negative

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

Reason: The document explicitly states that downhole length is reported, not true width.

Evidence · text

“Down hole length is being reported, not the true width.”
SZAC013Shikezi · copperGrade: 309Grade Unit: ppmIntercept: 25 mView all details
Link to this fact

Identity

Hole ID
SZAC013
Project
Shikezi
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
309
Grade Unit
ppm
Intercept
25 m
From
0 m
To
25 m
Hole Depth
25 m
Intercept Depth
0 m

Classification

Program
exploration
Sample Type
drill
Group ID
SZAC013:0-25
Mining Method
open_pit

Location

Easting
357210
Northing
8633850
CRS
UTM_WGS84_35S
Elevation
1283 m
Azimuth
0 °
Dip
-90 °
Loc. Confidence
medium
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: This intercept identifies a new copper anomaly with good width, but the grade is low and from pXRF, indicating early-stage exploration potential requiring follow-up.

Positive factors

  • New significant copper anomaly identified
  • Good intercept width (25m)
  • Open at end of hole, indicating potential for further mineralization

Negative factors

  • Grade (309 ppm Cu or 0.03% Cu) is well below resource cut-off (0.2% Cu)
  • Results are from pXRF, not certified lab assays
  • True width not reported

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

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Apparent Width OnlyRejected · negative

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

Reason: The document explicitly states that downhole length is reported, not true width.

Evidence · text

“Down hole length is being reported, not the true width.”
SZAC021Shikezi · copperGrade: 236Grade Unit: ppmIntercept: 20 mView all details
Link to this fact

Identity

Hole ID
SZAC021
Project
Shikezi
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
236
Grade Unit
ppm
Intercept
20 m
From
1 m
To
21 m
Hole Depth
21 m
Intercept Depth
1 m

Classification

Program
exploration
Sample Type
drill
Group ID
SZAC021:1-21
Mining Method
open_pit

Location

Easting
357580
Northing
8633649
CRS
UTM_WGS84_35S
Elevation
1284 m
Azimuth
0 °
Dip
-90 °
Loc. Confidence
medium
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: This intercept identifies a new copper anomaly with good width, but the grade is low and from pXRF, indicating early-stage exploration potential requiring follow-up.

Positive factors

  • New significant copper anomaly identified
  • Good intercept width (20m)
  • Open at end of hole, indicating potential for further mineralization

Negative factors

  • Grade (236 ppm Cu or 0.02% Cu) is well below resource cut-off (0.2% Cu)
  • Results are from pXRF, not certified lab assays
  • True width not reported

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

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Apparent Width OnlyRejected · negative

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

Reason: The document explicitly states that downhole length is reported, not true width.

Evidence · text

“Down hole length is being reported, not the true width.”
SZAC055Shikezi · copperGrade: 207Grade Unit: ppmIntercept: 17 mView all details
Link to this fact

Identity

Hole ID
SZAC055
Project
Shikezi
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
207
Grade Unit
ppm
Intercept
17 m
From
13 m
To
30 m
Hole Depth
30 m
Intercept Depth
13 m

Classification

Program
exploration
Sample Type
drill
Group ID
SZAC055:13-30
Mining Method
open_pit

Location

Easting
355315
Northing
8633799
CRS
UTM_WGS84_35S
Elevation
1253 m
Azimuth
0 °
Dip
-90 °
Loc. Confidence
medium
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: This intercept identifies a new copper anomaly with good width, but the grade is low and from pXRF, indicating early-stage exploration potential requiring follow-up.

Positive factors

  • New significant copper anomaly identified
  • Good intercept width (17m)
  • Open at end of hole, indicating potential for further mineralization

Negative factors

  • Grade (207 ppm Cu or 0.02% Cu) is well below resource cut-off (0.2% Cu)
  • Results are from pXRF, not certified lab assays
  • True width not reported

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

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Apparent Width OnlyRejected · negative

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

Reason: The document explicitly states that downhole length is reported, not true width.

Evidence · text

“Down hole length is being reported, not the true width.”
KMDD001Kamafamba · copperGrade: 0.3Grade Unit: %Intercept: 15.85 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
KMDD001
Project
Kamafamba
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.3
Grade Unit
%
Intercept
15.85 m
From
41 m
To
56.85 m
Intercept Depth
41 m

Classification

Program
exploration
Sample Type
drill
Group ID
KMDD001:41-56.85
Mining Method
open_pit

Location

Loc. Confidence
low

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2015-09-16T00:00:00.000Z

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: This is a historical intercept with a weak copper grade, providing context for the Kamafamba prospect but not new information.

Positive factors

  • Copper grade (0.30% Cu) is above the weak threshold for open pit copper (0.25% Cu)

Negative factors

  • Historical result, not new information
  • True width not reported
  • Copper grade is lower than the project average (0.534% Cu)

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

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Stale Data Re-releaseRejected · negative

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

Reason: This is a historical result from 2015, re-released without new assays or reinterpretation.

Evidence · text

“Historical drilling by the previous operator, Argonaut Resources NL4 during 2015, consisted of three relatively shallow drill holes for 409.3m, and returned shallow, anomalous copper intersections, with two of those considered significant: • KMDD001: 15.85m @ 0.30% Cu from 41.0m”

Apparent Width OnlyRejected · negative

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

Reason: The document explicitly states that downhole length is reported, not true width.

Evidence · text

“Down hole length is being reported, not the true width.”
KMDD003Kamafamba · copperGrade: 0.4Grade Unit: %Intercept: 17.6 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
KMDD003
Project
Kamafamba
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.4
Grade Unit
%
Intercept
17.6 m
From
134.5 m
To
152.1 m
Intercept Depth
134.5 m

Classification

Program
exploration
Sample Type
drill
Group ID
KMDD003:134.5-152.1
Mining Method
open_pit

Location

Loc. Confidence
low

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2015-09-16T00:00:00.000Z

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: This is a historical intercept with a moderate copper grade, providing context for the Kamafamba prospect but not new information.

Positive factors

  • Copper grade (0.40% Cu) is above the weak threshold for open pit copper (0.25% Cu)

Negative factors

  • Historical result, not new information
  • True width not reported
  • Copper grade is lower than the project average (0.534% Cu)

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

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Stale Data Re-releaseRejected · negative

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

Reason: This is a historical result from 2015, re-released without new assays or reinterpretation.

Evidence · text

“Historical drilling by the previous operator, Argonaut Resources NL4 during 2015, consisted of three relatively shallow drill holes for 409.3m, and returned shallow, anomalous copper intersections, with two of those considered significant: • KMDD003: 17.6m @ 0.40% Cu from 134.5m”

Apparent Width OnlyRejected · negative

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

Reason: The document explicitly states that downhole length is reported, not true width.

Evidence · text

“Down hole length is being reported, not the true width.”
KMDD003Kamafamba · copperGrade: 0.67Grade Unit: %Intercept: 5.6 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
KMDD003
Project
Kamafamba
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.67
Grade Unit
%
Intercept
5.6 m
From
146.5 m
To
152.1 m
Intercept Depth
134.5 m

Classification

Program
exploration
Sample Type
drill
Group ID
KMDD003:146.5-152.1
Mining Method
open_pit

Location

Loc. Confidence
low

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2015-09-16T00:00:00.000Z

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: This is a historical sub-interval with a moderate copper grade, providing context for the Kamafamba prospect but not new information.

Positive factors

  • Copper grade (0.67% Cu) is above the moderate threshold for open pit copper (0.5% Cu)

Negative factors

  • Historical result, not new information
  • True width not reported
  • Copper grade is higher than the project average (0.534% Cu) but from a sub-interval

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

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Stale Data Re-releaseRejected · negative

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

Reason: This is a historical result from 2015, re-released without new assays or reinterpretation.

Evidence · text

“Historical drilling by the previous operator, Argonaut Resources NL4 during 2015, consisted of three relatively shallow drill holes for 409.3m, and returned shallow, anomalous copper intersections, with two of those considered significant: • KMDD003: 17.6m @ 0.40% Cu from 134.5m, incl. 5.6m @ 0.67% Cu from 146.5m”

Apparent Width OnlyRejected · negative

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

Reason: The document explicitly states that downhole length is reported, not true width.

Evidence · text

“Down hole length is being reported, not the true width.”
NCDD042*Nyungu Central · copperGrade: 0.34Grade Unit: %Intercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
NCDD042*
Project
Nyungu Central
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.34
Grade Unit
%
Intercept
1.5 m
From
26.3 m
To
27.8 m
Intercept Depth
26.3 m

Classification

Sample Type
drill
Group ID
NCDD042*:26.3-27.8
Mining Method
open_pit

Location

CRS
UTM_WGS84_35S

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: Expanded from assay table. 0.34 % copper is weak against the default band [2.5, 1, 0.5, 0.25] %. Grade×width 0.5 %·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.34”

Context: NCDD042*

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

NCDD042*Nyungu Central · cobaltGrade: 0.02Grade Unit: %Intercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
NCDD042*
Project
Nyungu Central
Commodity
cobalt
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.02
Grade Unit
%
Intercept
1.5 m
From
26.3 m
To
27.8 m
Intercept Depth
26.3 m

Classification

Sample Type
drill
Group ID
NCDD042*:26.3-27.8
Mining Method
open_pit

Location

CRS
UTM_WGS84_35S

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: Expanded from assay table. 0.02 % cobalt is below against the default band [0.5, 0.3, 0.15, 0.08] %.

Negative factors

  • 0.02 % cobalt is below the weak threshold (0.08 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.02”

Context: NCDD042*

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

NCDD042*Nyungu Central · goldGrade: 0.02Grade Unit: g/tIntercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
NCDD042*
Project
Nyungu Central
Commodity
gold
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.02
Grade Unit
g/t
Intercept
1.5 m
From
26.3 m
To
27.8 m
Intercept Depth
26.3 m

Classification

Sample Type
drill
Group ID
NCDD042*:26.3-27.8
Mining Method
open_pit

Location

CRS
UTM_WGS84_35S

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: Expanded from assay table. 0.02 g/t gold is below against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 0.0 g/t·m is below.

Negative factors

  • 0.02 g/t gold is below the weak threshold (0.3 g/t) on the open_pit mining band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.02”

Context: NCDD042*

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

NCDD042*Nyungu Central · copperGrade: 1.1Grade Unit: %Intercept: 10 mView all details
Link to this fact

Identity

Hole ID
NCDD042*
Project
Nyungu Central
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
1.1
Grade Unit
%
Intercept
10 m
From
97 m
To
107 m
Intercept Depth
97 m

Classification

Sample Type
drill
Group ID
NCDD042*:97-107
Mining Method
open_pit

Location

CRS
UTM_WGS84_35S

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: Expanded from assay table. 1.1 % copper is strong against the default band [2.5, 1, 0.5, 0.25] %. Grade×width 11.0 %·m is below (grade alone is strong; the better of the two is used).

Positive factors

  • 1.1 % copper is strong on the default band.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.10”

Context: NCDD042*

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

NCDD042*Nyungu Central · cobaltGrade: 0.03Grade Unit: %Intercept: 10 mView all details
Link to this fact

Identity

Hole ID
NCDD042*
Project
Nyungu Central
Commodity
cobalt
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.03
Grade Unit
%
Intercept
10 m
From
97 m
To
107 m
Intercept Depth
97 m

Classification

Sample Type
drill
Group ID
NCDD042*:97-107
Mining Method
open_pit

Location

CRS
UTM_WGS84_35S

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: Expanded from assay table. 0.03 % cobalt is below against the default band [0.5, 0.3, 0.15, 0.08] %.

Negative factors

  • 0.03 % cobalt is below the weak threshold (0.08 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.03”

Context: NCDD042*

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

NCDD042*Nyungu Central · goldGrade: 0.11Grade Unit: g/tIntercept: 10 mView all details
Link to this fact

Identity

Hole ID
NCDD042*
Project
Nyungu Central
Commodity
gold
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.11
Grade Unit
g/t
Intercept
10 m
From
97 m
To
107 m
Intercept Depth
97 m

Classification

Sample Type
drill
Group ID
NCDD042*:97-107
Mining Method
open_pit

Location

CRS
UTM_WGS84_35S

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: Expanded from assay table. 0.11 g/t gold is below against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 1.1 g/t·m is below.

Negative factors

  • 0.11 g/t gold is below the weak threshold (0.3 g/t) on the open_pit mining band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.11”

Context: NCDD042*

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

NCDD042*Nyungu Central · copperGrade: 0.47Grade Unit: %Intercept: 6.6 mView all details
Link to this fact

Identity

Hole ID
NCDD042*
Project
Nyungu Central
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.47
Grade Unit
%
Intercept
6.6 m
From
115 m
To
121.6 m
Intercept Depth
115 m

Classification

Sample Type
drill
Group ID
NCDD042*:115-121.6
Mining Method
open_pit

Location

CRS
UTM_WGS84_35S

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: Expanded from assay table. 0.47 % copper is weak against the default band [2.5, 1, 0.5, 0.25] %. Grade×width 3.1 %·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.47”

Context: NCDD042*

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

NCDD042*Nyungu Central · cobaltGrade: 0.01Grade Unit: %Intercept: 6.6 mView all details
Link to this fact

Identity

Hole ID
NCDD042*
Project
Nyungu Central
Commodity
cobalt
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.01
Grade Unit
%
Intercept
6.6 m
From
115 m
To
121.6 m
Intercept Depth
115 m

Classification

Sample Type
drill
Group ID
NCDD042*:115-121.6
Mining Method
open_pit

Location

CRS
UTM_WGS84_35S

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: Expanded from assay table. 0.01 % cobalt is below against the default band [0.5, 0.3, 0.15, 0.08] %.

Negative factors

  • 0.01 % cobalt is below the weak threshold (0.08 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.01”

Context: NCDD042*

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

NCDD042*Nyungu Central · goldGrade: 0.41Grade Unit: g/tIntercept: 6.6 mView all details
Link to this fact

Identity

Hole ID
NCDD042*
Project
Nyungu Central
Commodity
gold
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.41
Grade Unit
g/t
Intercept
6.6 m
From
115 m
To
121.6 m
Intercept Depth
115 m

Classification

Sample Type
drill
Group ID
NCDD042*:115-121.6
Mining Method
open_pit

Location

CRS
UTM_WGS84_35S

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: Expanded from assay table. 0.41 g/t gold is weak against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 2.7 g/t·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.41”

Context: NCDD042*

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

NCDD042*Nyungu Central · copperGrade: 0.39Grade Unit: %Intercept: 4 mView all details
Link to this fact

Identity

Hole ID
NCDD042*
Project
Nyungu Central
Commodity
copper
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.39
Grade Unit
%
Intercept
4 m
From
132 m
To
136 m
Intercept Depth
132 m

Classification

Sample Type
drill
Group ID
NCDD042*:132-136
Mining Method
open_pit

Location

CRS
UTM_WGS84_35S

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: Expanded from assay table. 0.39 % copper is weak against the default band [2.5, 1, 0.5, 0.25] %. Grade×width 1.6 %·m is below (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.39”

Context: NCDD042*

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

NCDD042*Nyungu Central · cobaltGrade: 0.02Grade Unit: %Intercept: 4 mView all details
Link to this fact

Identity

Hole ID
NCDD042*
Project
Nyungu Central
Commodity
cobalt
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.02
Grade Unit
%
Intercept
4 m
From
132 m
To
136 m
Intercept Depth
132 m

Classification

Sample Type
drill
Group ID
NCDD042*:132-136
Mining Method
open_pit

Location

CRS
UTM_WGS84_35S

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: Expanded from assay table. 0.02 % cobalt is below against the default band [0.5, 0.3, 0.15, 0.08] %.

Negative factors

  • 0.02 % cobalt is below the weak threshold (0.08 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.02”

Context: NCDD042*

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

NCDD042*Nyungu Central · goldGrade: 0.09Grade Unit: g/tIntercept: 4 mView all details
Link to this fact

Identity

Hole ID
NCDD042*
Project
Nyungu Central
Commodity
gold
Region
zambia
Reported Region
zambia
Ticker
PSC

Geometry

Grade
0.09
Grade Unit
g/t
Intercept
4 m
From
132 m
To
136 m
Intercept Depth
132 m

Classification

Sample Type
drill
Group ID
NCDD042*:132-136
Mining Method
open_pit

Location

CRS
UTM_WGS84_35S

QA/QC

Laboratory
ALS Ndola and SGS Kitwe
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: Expanded from assay table. 0.09 g/t gold is below against the open_pit mining band [5, 2, 1, 0.3] g/t. Grade×width 0.4 g/t·m is below.

Negative factors

  • 0.09 g/t gold is below the weak threshold (0.3 g/t) on the open_pit mining band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.09”

Context: NCDD042*

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

Metallurgical Results (2)

flotationMumbezhi Copper Project · copperRecovery: 94.3 %View all details
Link to this fact

Identity

Project
Mumbezhi Copper Project
Commodity
copper
Region
zambia
Reported Region
Zambia
Ticker
PSC

Test Work

Program Status
detailed
Test Type
flotation
Processing Route
flotation
Sample
Kabikupa lower grade fresh sulphide composite

Recovery

Recovery
94.3 %
Recovery Basis
actual_test
Conc. Grade
25
Conc. Grade Unit
% Cu

Reagents

Reagent Notes
Relatively high graphitic carbon levels (up to 4.8% TGC) presented no barrier to achieving good quality copper concentrates, with the use of carboxymethylcellulose (CMC), as an effective depressant for graphitic carbon.

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: Excellent copper recovery and high concentrate grade from Kabikupa lower grade fresh sulphide composite flotation testwork.

Positive factors

  • Exceptional copper recovery (94.3%) for flotation
  • High concentrate grade (25.0% Cu)

Tags used in scoring

Mill Routeneutral

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

Why it applies: processing_route matches the flotation signal

flotationMumbezhi Copper Project · cobaltView all details
Link to this fact

Identity

Project
Mumbezhi Copper Project
Commodity
cobalt
Region
zambia
Reported Region
Zambia
Ticker
PSC

Test Work

Program Status
detailed
Test Type
flotation
Processing Route
flotation
Sample
Kabikupa lower grade fresh sulphide composite

Recovery

Recovery Basis
actual_test
Conc. Grade
0.04
Conc. Grade Unit
% Co

Reagents

Reagent Notes
Relatively high graphitic carbon levels (up to 4.8% TGC) presented no barrier to achieving good quality copper concentrates, with the use of carboxymethylcellulose (CMC), as an effective depressant for graphitic carbon.

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-14T00:00:00.000Z

Reasoning: The Kabikupa lower grade fresh sulphide composite produced a low cobalt concentrate grade, indicating limited byproduct potential for cobalt.

Negative factors

  • Low cobalt concentrate grade (0.04% Co)
  • Cobalt recovery not explicitly stated

Tags used in scoring

Mill Routeneutral

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

Why it applies: processing_route matches the flotation signal

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.