GoldMining Intersects 400 Metres of Continuous Gold-Copper Mineralization at the Yarumalito Project, Colombia

Original announcement by prospectors_exchange on

Company
GoldMining Inc.
Ticker
GOLD
Exchange
Unavailable
Region
Antioquia, Colombia
Primary commodity
Gold
Secondary commodities
Copper, Silver
Document categories
Drill results
Extracted
2026-10-06 13:35:00 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

GoldMining has reported initial assay results from its Yarumalito Project in Colombia, featuring a 399.9m continuous gold-copper intercept from surface in hole YAR-45. The results confirm the presence of the P-1 porphyry intrusive suite as a primary mineralized host.

Reasoning: The drill hole YAR-45 confirms a large, continuous porphyry-style mineralized interval from surface, validating the geological model, though true width is not directly measured.

Positive factors

  • continuous mineralization from surface
  • wide porphyry-style intercepts
  • validates 3D geological model
  • proximity to existing operations

Negative factors

  • true width is only estimated at 50% of downhole length

Facts used in scoring: 11

Classification and evidence

QA/QC Disclosedpositive

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

Why it applies: Release includes detailed QA/QC protocols, including blanks, standards, and duplicates, and names an accredited laboratory (ALS).

Evidence · text

“GoldMining has implemented a quality assurance and quality control program”

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 states that true width is estimated to be approximately 50% of the downhole interval length.

Evidence · text

“True width is estimated to be approximately 50% of downhole interval length”

Extracted facts

Stored fact records: 11. Some facts used in scoring do not have a stored record.

Drill Results (11)

YAR-45Yarumalito · goldGrade: 0.34Grade Unit: g/tIntercept: 399.9 mView all details
Link to this fact

Identity

Hole ID
YAR-45
Project
Yarumalito
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
GOLD

Geometry

Grade
0.34
Grade Unit
g/t
Intercept
399.9 m
From
0 m
To
399.9 m
Hole Depth
399.9 m
Intercept Depth
0 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
YAR-45:0-399.9
Mining Method
open_pit

Location

Location
West Zone
EPSG
21892
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Metal Equivalent

Metal Eq. Grade
0.45
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Compositing

Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-06T00:00:00.000Z

Reasoning: Large continuous intercept from surface in a porphyry system.

Positive factors

  • continuous mineralization from surface

Evidence · table

“0.34”

Context: 399.9

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: "Sustainability GoldMining News GoldMining Intersects 400 Metres of Continuous Gold-Copper Mineralization at the Yarumali"

YAR-45Yarumalito · copperGrade: 0.09Grade Unit: %Intercept: 399.9 mView all details
Link to this fact

Identity

Hole ID
YAR-45
Project
Yarumalito
Commodity
copper
Region
colombia
Reported Region
colombia
Ticker
GOLD

Geometry

Grade
0.09
Grade Unit
%
Intercept
399.9 m
From
0 m
To
399.9 m
Hole Depth
399.9 m
Intercept Depth
0 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
YAR-45:0-399.9
Mining Method
open_pit

Location

Location
West Zone
EPSG
21892
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Compositing

Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-06T00:00:00.000Z

Reasoning: Copper component of the continuous porphyry intercept.

Evidence · table

“0.09”

Context: 399.9

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: "Sustainability GoldMining News GoldMining Intersects 400 Metres of Continuous Gold-Copper Mineralization at the Yarumali"

YAR-45Yarumalito · silverGrade: 1.21Grade Unit: g/tIntercept: 399.9 mView all details
Link to this fact

Identity

Hole ID
YAR-45
Project
Yarumalito
Commodity
silver
Region
colombia
Reported Region
colombia
Ticker
GOLD

Geometry

Grade
1.21
Grade Unit
g/t
Intercept
399.9 m
From
0 m
To
399.9 m
Hole Depth
399.9 m
Intercept Depth
0 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
YAR-45:0-399.9
Mining Method
open_pit

Location

Location
West Zone
EPSG
21892
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Compositing

Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-06T00:00:00.000Z

Reasoning: Silver component of the continuous porphyry intercept.

Evidence · table

“1.21”

Context: 399.9

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: "Sustainability GoldMining News GoldMining Intersects 400 Metres of Continuous Gold-Copper Mineralization at the Yarumali"

YAR-45Yarumalito · goldGrade: 0.68Grade Unit: g/tIntercept: 33.2 mView all details
Link to this fact

Identity

Hole ID
YAR-45
Project
Yarumalito
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
GOLD

Geometry

Grade
0.68
Grade Unit
g/t
Intercept
33.2 m
From
10.3 m
To
43.5 m
Hole Depth
399.9 m
Intercept Depth
10.3 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
YAR-45:10.3-43.5
Mining Method
open_pit

Location

Location
West Zone
EPSG
21892
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Metal Equivalent

Metal Eq. Grade
0.81
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Compositing

Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-06T00:00:00.000Z

Reasoning: High grade sub-interval within the main intercept.

Positive factors

  • higher grade sub-interval

Evidence · table

“0.68”

Context: 33.2

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: "Sustainability GoldMining News GoldMining Intersects 400 Metres of Continuous Gold-Copper Mineralization at the Yarumali"

YAR-45Yarumalito · copperGrade: 0.11Grade Unit: %Intercept: 33.2 mView all details
Link to this fact

Identity

Hole ID
YAR-45
Project
Yarumalito
Commodity
copper
Region
colombia
Reported Region
colombia
Ticker
GOLD

Geometry

Grade
0.11
Grade Unit
%
Intercept
33.2 m
From
10.3 m
To
43.5 m
Hole Depth
399.9 m
Intercept Depth
10.3 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
YAR-45:10.3-43.5
Mining Method
open_pit

Location

Location
West Zone
EPSG
21892
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Metal Equivalent

Metal Eq. Grade
0.81
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Compositing

Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-06T00:00:00.000Z

Reasoning: Copper component of the high-grade sub-interval.

Evidence · table

“0.11”

Context: 33.2

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: "Sustainability GoldMining News GoldMining Intersects 400 Metres of Continuous Gold-Copper Mineralization at the Yarumali"

YAR-45Yarumalito · goldGrade: 0.46Grade Unit: g/tIntercept: 74.7 mView all details
Link to this fact

Identity

Hole ID
YAR-45
Project
Yarumalito
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
GOLD

Geometry

Grade
0.46
Grade Unit
g/t
Intercept
74.7 m
From
136.5 m
To
211.2 m
Hole Depth
399.9 m
Intercept Depth
136.5 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
YAR-45:136.5-211.2
Mining Method
open_pit

Location

Location
West Zone
EPSG
21892
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Metal Equivalent

Metal Eq. Grade
0.61
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Compositing

Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-06T00:00:00.000Z

Reasoning: Significant width intercept in the porphyry system.

Evidence · table

“0.46”

Context: 74.7

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: "Sustainability GoldMining News GoldMining Intersects 400 Metres of Continuous Gold-Copper Mineralization at the Yarumali"

YAR-45Yarumalito · copperGrade: 0.13Grade Unit: %Intercept: 74.7 mView all details
Link to this fact

Identity

Hole ID
YAR-45
Project
Yarumalito
Commodity
copper
Region
colombia
Reported Region
colombia
Ticker
GOLD

Geometry

Grade
0.13
Grade Unit
%
Intercept
74.7 m
From
136.5 m
To
211.2 m
Hole Depth
399.9 m
Intercept Depth
136.5 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
YAR-45:136.5-211.2
Mining Method
open_pit

Location

Location
West Zone
EPSG
21892
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Metal Equivalent

Metal Eq. Grade
0.61
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Compositing

Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-06T00:00:00.000Z

Reasoning: Copper component of the significant width intercept.

Evidence · table

“0.13”

Context: 74.7

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: "Sustainability GoldMining News GoldMining Intersects 400 Metres of Continuous Gold-Copper Mineralization at the Yarumali"

YAR-45Yarumalito · goldGrade: 0.54Grade Unit: g/tIntercept: 47 mView all details
Link to this fact

Identity

Hole ID
YAR-45
Project
Yarumalito
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
GOLD

Geometry

Grade
0.54
Grade Unit
g/t
Intercept
47 m
From
154 m
To
201 m
Hole Depth
399.9 m
Intercept Depth
154 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
YAR-45:154-201
Mining Method
open_pit

Location

Location
West Zone
EPSG
21892
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Metal Equivalent

Metal Eq. Grade
0.7
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Compositing

Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-06T00:00:00.000Z

Reasoning: High grade sub-interval within the 74.7m intercept.

Positive factors

  • high grade sub-interval

Evidence · table

“0.54”

Context: 47.0

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: "Sustainability GoldMining News GoldMining Intersects 400 Metres of Continuous Gold-Copper Mineralization at the Yarumali"

YAR-45Yarumalito · copperGrade: 0.14Grade Unit: %Intercept: 47 mView all details
Link to this fact

Identity

Hole ID
YAR-45
Project
Yarumalito
Commodity
copper
Region
colombia
Reported Region
colombia
Ticker
GOLD

Geometry

Grade
0.14
Grade Unit
%
Intercept
47 m
From
154 m
To
201 m
Hole Depth
399.9 m
Intercept Depth
154 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
YAR-45:154-201
Mining Method
open_pit

Location

Location
West Zone
EPSG
21892
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Metal Equivalent

Metal Eq. Grade
0.7
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Compositing

Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-06T00:00:00.000Z

Reasoning: Copper component of the high-grade sub-interval.

Evidence · table

“0.14”

Context: 47.0

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: "Sustainability GoldMining News GoldMining Intersects 400 Metres of Continuous Gold-Copper Mineralization at the Yarumali"

YAR-45Yarumalito · goldGrade: 0.5Grade Unit: g/tIntercept: 36 mView all details
Link to this fact

Identity

Hole ID
YAR-45
Project
Yarumalito
Commodity
gold
Region
colombia
Reported Region
colombia
Ticker
GOLD

Geometry

Grade
0.5
Grade Unit
g/t
Intercept
36 m
From
330 m
To
366 m
Hole Depth
399.9 m
Intercept Depth
330 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
YAR-45:330-366
Mining Method
open_pit

Location

Location
West Zone
EPSG
21892
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Metal Equivalent

Metal Eq. Grade
0.65
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Compositing

Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-06T00:00:00.000Z

Reasoning: Significant width intercept in the porphyry system.

Evidence · table

“0.50”

Context: 36.0

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: "Sustainability GoldMining News GoldMining Intersects 400 Metres of Continuous Gold-Copper Mineralization at the Yarumali"

YAR-45Yarumalito · copperGrade: 0.14Grade Unit: %Intercept: 36 mView all details
Link to this fact

Identity

Hole ID
YAR-45
Project
Yarumalito
Commodity
copper
Region
colombia
Reported Region
colombia
Ticker
GOLD

Geometry

Grade
0.14
Grade Unit
%
Intercept
36 m
From
330 m
To
366 m
Hole Depth
399.9 m
Intercept Depth
330 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
YAR-45:330-366
Mining Method
open_pit

Location

Location
West Zone
EPSG
21892
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Metal Equivalent

Metal Eq. Grade
0.65
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Compositing

Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-06T00:00:00.000Z

Reasoning: Copper component of the significant width intercept.

Evidence · table

“0.14”

Context: 36.0

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: "Sustainability GoldMining News GoldMining Intersects 400 Metres of Continuous Gold-Copper Mineralization at the Yarumali"

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.