Cobra Cut One Planned Hole & Logged Copper to 300 Metres

Original announcement by cruxinvestor on

Company
Cobra Resources
Ticker
COBR
Exchange
Unavailable
Region
Unavailable
Primary commodity
Copper
Secondary commodities
Gold
Document categories
Drill results, Other
Extracted
2026-08-28 15:17:18 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Cobra Resources reported that redirected drilling at Manna Hill has extended observed sulfide mineralization to 300m depth, suggesting the skarn system connects to a larger porphyry. While visual observations of bornite and chalcopyrite are encouraging, laboratory assays for these new depths are still outstanding.

Reasoning: The drilling confirmed depth continuity of sulfides to 300m and suggested the skarn is part of a larger porphyry system, though key assays are still pending.

Positive factors

  • depth continuity of mineralization
  • extension of system into porphyry halo
  • unexpected copper oxide discovery

Negative factors

  • assays for new depth continuity are outstanding
  • target abandoned due to high pyrite
  • new oxide zone lacks width/orientation measurements

Facts used in scoring: 4

Atlas analysis — Cobra Resources: Cobra Cut One Planned Hole & Logged Copper to 300 Metres. 1.02 % over 74 m; 0.6 % over 86 m

Classification and evidence

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: The document mentions a diamond hole stepped out to the south which hit copper oxide, opening extension in that direction.

Evidence · text

“One diamond hole was stepped out and drilled from the south... hit copper oxide very shallowly to the south, which opens extension in that direction”

No QA/QC Disclosurenegative

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

Why it applies: The release describes visual observations and mentions assays are outstanding but does not detail QA/QC protocols or lab certification.

Evidence · text

“These remain visual observations, and management's stated optimism about them is cautious pending laboratory results.”

Extracted facts

Stored fact records: 4. Some facts used in scoring do not have a stored record.

Drill Results (4)

Fact 1Manna Hill · copperGrade: 0.6Grade Unit: %Intercept: 86 mNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Manna Hill
Commodity
copper
Ticker
COBR

Geometry

Grade
0.6
Grade Unit
%
Intercept
86 m
From
18 m
To
104 m

Classification

Sample Type
drill
Group ID
null:18-104

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
No

Dates

Event date
2026-08-28T00:00:00.000Z

Reasoning: Historical RC intercept reported in text.

Evidence · text

“86 m at 0.60% copper”
Fact 2Manna Hill · goldGrade: 0.14Grade Unit: g/tIntercept: 86 mNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Manna Hill
Commodity
gold
Ticker
COBR

Geometry

Grade
0.14
Grade Unit
g/t
Intercept
86 m
From
18 m
To
104 m

Classification

Sample Type
drill
Group ID
null:18-104

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
No

Dates

Event date
2026-08-28T00:00:00.000Z

Reasoning: Historical RC intercept reported in text.

Evidence · text

“0.14 grams per tonne (g/t) gold”
Fact 3Manna Hill · copperGrade: 1.02Grade Unit: %Intercept: 74 mNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Manna Hill
Commodity
copper
Ticker
COBR

Geometry

Grade
1.02
Grade Unit
%
Intercept
74 m
From
70 m
To
144 m

Classification

Sample Type
drill
Group ID
null:70-144

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
No

Dates

Event date
2026-08-28T00:00:00.000Z

Reasoning: Historical RC intercept reported in text.

Evidence · text

“74 m at 1.02% copper”
Fact 4Manna Hill · goldGrade: 0.25Grade Unit: g/tIntercept: 74 mNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Manna Hill
Commodity
gold
Ticker
COBR

Geometry

Grade
0.25
Grade Unit
g/t
Intercept
74 m
From
70 m
To
144 m

Classification

Sample Type
drill
Group ID
null:70-144

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
No

Dates

Event date
2026-08-28T00:00:00.000Z

Reasoning: Historical RC intercept reported in text.

Evidence · text

“0.25 g/t gold”

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.