South Pacific Metals Announces More Mineralised Structures Discovered at Ontenu NE: Assay Results up to 13.9g/t Au, 388g/t Ag, 0.26% Cu

Original announcement by tmx on

Company
South Pacific Metals Corp.
Ticker
SPMC
Exchange
TSX
Region
Papua New Guinea
Primary commodity
Gold
Secondary commodities
Silver, Copper
Document categories
Drill results
Extracted
2026-08-26 11:21:55 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

South Pacific Metals has announced new rock chip assay results from the Ontenu NE prospect, featuring gold grades up to 13.9 g/t and silver up to 388 g/t. These new structures expand the mineralized footprint south of the zone reported in September 2025. The company is currently planning drilling to test these epithermal Au-Cu targets.

Reasoning: Discovery of new mineralized structures with high-grade gold (13.9 g/t) and silver (388 g/t) that expand the previously reported zone near a major gold-copper mine.

Positive factors

  • high-grade gold intercepts
  • expansion of known mineralized zone
  • proximity to major producer K92
  • QA/QC disclosed

Facts used in scoring: 9

Atlas analysis — South Pacific Metals Corp.: South Pacific Metals Announces More Mineralised Structures Discovered at Ontenu NE: Assay Results up to 13.9g/t Au, 388g/t Ag, 0.26% Cu

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 mentions certified reference material, duplicates, and blanks were inserted to monitor laboratory performance.

Evidence · text

“Certified reference material, duplicates and blanks were inserted in the rock sample stream to monitor laboratory performance”

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: New structures are reported south of and expanding the zone previously reported on September 17, 2025.

Evidence · text

“These new northwest trending structures are south of, and expand, the zone previously reported on September 17, 2025”

Extracted facts

Stored fact records: 9. Some facts used in scoring do not have a stored record.

Drill Results (9)

Fact 1goldGrade: 13.9Grade Unit: g/tView all details
Link to this fact

Identity

Commodity
gold
Ticker
SPMC

Geometry

Grade
13.9
Grade Unit
g/t

Classification

Sample Type
surface
Group ID
E21070

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-10-06T00:00:00.000Z

Reasoning: 13.9 g/t Au is a strong intercept for an epithermal system.

Positive factors

  • exceptional gold grade

Evidence · table

“13.9”

Context: E21070

Fact 2silverGrade: 388Grade Unit: g/tView all details
Link to this fact

Identity

Commodity
silver
Ticker
SPMC

Geometry

Grade
388
Grade Unit
g/t

Classification

Sample Type
surface
Group ID
E21070

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-10-06T00:00:00.000Z

Reasoning: 388 g/t Ag is a strong silver intercept.

Positive factors

  • high silver grade

Evidence · table

“388”

Context: E21070

Fact 3copperGrade: 218Grade Unit: ppmView all details
Link to this fact

Identity

Commodity
copper
Ticker
SPMC

Geometry

Grade
218
Grade Unit
ppm

Classification

Sample Type
surface
Group ID
E21070

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-10-06T00:00:00.000Z

Reasoning: 218 ppm Cu is a minor trace in this context.

Evidence · table

“218”

Context: E21070

Fact 4goldGrade: 3.68Grade Unit: g/tView all details
Link to this fact

Identity

Commodity
gold
Ticker
SPMC

Geometry

Grade
3.68
Grade Unit
g/t

Classification

Sample Type
surface
Group ID
E21056

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-10-06T00:00:00.000Z

Reasoning: 3.68 g/t Au is a strong intercept for an epithermal system.

Positive factors

  • strong gold grade

Evidence · table

“3.68”

Context: E21056

Fact 5silverGrade: 302Grade Unit: g/tView all details
Link to this fact

Identity

Commodity
silver
Ticker
SPMC

Geometry

Grade
302
Grade Unit
g/t

Classification

Sample Type
surface
Group ID
E21056

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-10-06T00:00:00.000Z

Reasoning: 302 g/t Ag is a strong silver intercept.

Positive factors

  • strong silver grade

Evidence · table

“302”

Context: E21056

Fact 6copperGrade: 320Grade Unit: ppmView all details
Link to this fact

Identity

Commodity
copper
Ticker
SPMC

Geometry

Grade
320
Grade Unit
ppm

Classification

Sample Type
surface
Group ID
E21056

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-10-06T00:00:00.000Z

Reasoning: 320 ppm Cu is a minor trace in this context.

Evidence · table

“320”

Context: E21056

Fact 7goldGrade: 3.36Grade Unit: g/tView all details
Link to this fact

Identity

Commodity
gold
Ticker
SPMC

Geometry

Grade
3.36
Grade Unit
g/t

Classification

Sample Type
surface
Group ID
E21067

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-10-06T00:00:00.000Z

Reasoning: 3.36 g/t Au is a strong intercept for an epithermal system.

Positive factors

  • strong gold grade

Evidence · table

“3.36”

Context: E21067

Fact 8silverGrade: 15Grade Unit: g/tView all details
Link to this fact

Identity

Commodity
silver
Ticker
SPMC

Geometry

Grade
15
Grade Unit
g/t

Classification

Sample Type
surface
Group ID
E21067

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-10-06T00:00:00.000Z

Reasoning: 15 g/t Ag is low relative to other samples.

Evidence · table

“15”

Context: E21067

Fact 9copperGrade: 169Grade Unit: ppmView all details
Link to this fact

Identity

Commodity
copper
Ticker
SPMC

Geometry

Grade
169
Grade Unit
ppm

Classification

Sample Type
surface
Group ID
E21067

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-10-06T00:00:00.000Z

Reasoning: 169 ppm Cu is a minor trace.

Evidence · table

“169”

Context: E21067

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.