Cosigo Drill Conversion Test and Results
Original announcement by tmx on
- Company
- Cosigo Resources Ltd.
- Ticker
- CSG.h
- Exchange
- TSX
- Region
- Colombia
- Primary commodity
- Gold
- Secondary commodities
- None reported
- Document categories
- Drill results, Other
- Extracted
- 2026-09-15 19:22:54 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Cosigo Resources has completed a technical test converting its portable 'Hornet' drill from an RC to a core system at the Taraira North property. While the test revealed a new conglomerate layer and trace gold (up to 380 ppb Au), the small machine faced significant drilling difficulties due to sanding.
Reasoning: The announcement focuses on a technical drill conversion test rather than a major discovery, though it successfully identified a new stratigraphic unit and trace gold.
Positive factors
- Successful conversion of portable drill from RC to core system
- Discovery of previously unsuspected conglomerate layer
- Presence of gold assays up to 380 ppb in Gallinero 2
Negative factors
- Low core recovery in several intervals (as low as 16.8%)
- Drilling difficulties due to sanding/choking in small machine
- Very low grade intercepts (ppb range) not meeting economic thresholds
Facts used in scoring: 2
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: Erik Ostensoe, P.Geo. (Qualified Person) has reviewed and approved the technical disclosure.
Evidence · text
“Erik Ostensoe, P.Geo., ... a Qualified Person ... has reviewed Gallinero 1 & 2 drill cores and approves the scientific and technical disclosure”
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: The placement of test holes was for convenience near the camp and not for geological potential, serving as a technical test.
Evidence · text
“Placement of the test drill holes was determined for convenience near the Cosigo camp tool shop and not for geological potential.”
Extracted facts
Stored fact records: 2. Some facts used in scoring do not have a stored record.
Drill Results (2)
Gallinero 1Taraira North · goldGrade: 20Grade Unit: ppbView all detailsHide details
Identity
- Hole ID
- Gallinero 1
- Project
- Taraira North
- Commodity
- gold
- Region
- colombia
- Reported Region
- colombia
- Ticker
- CSG.h
Geometry
- Grade
- 20
- Grade Unit
- ppb
- Hole Depth
- 57 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- Gallinero 1:0-57
- Mining Method
- unknown
Location
- Location
- Gallinero 1
- Loc. Confidence
- medium
- Loc. Source
- document
QA/QC
- QP Signed
- Yes
- QA/QC Methods
- standards
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2024-04-23T00:00:00.000Z
Reasoning: Single sample returning 20 ppb Au is not a material intercept.
Negative factors
- Grade is in ppb range
Evidence · text
“one sample returning 20 ppb Au”
Tags used in scoring
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: qaqc_disclosed is not 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
Gallinero 2Taraira North · goldGrade: 380Grade Unit: ppbView all detailsHide details
Identity
- Hole ID
- Gallinero 2
- Project
- Taraira North
- Commodity
- gold
- Region
- colombia
- Reported Region
- colombia
- Ticker
- CSG.h
Geometry
- Grade
- 380
- Grade Unit
- ppb
- Hole Depth
- 80 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- Gallinero 2:0-80
- Mining Method
- unknown
Location
- Location
- Gallinero 2
- Loc. Confidence
- medium
- Loc. Source
- document
QA/QC
- QP Signed
- Yes
- QA/QC Methods
- standards
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2024-04-23T00:00:00.000Z
Reasoning: 380 ppb Au is a notable sample but still very low grade for gold exploration.
Positive factors
- Highest grade reported in the test
Negative factors
- Grade is in ppb range
Evidence · text
“returned assays of 170 ppb Au and 380 ppb Au”
Tags used in scoring
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: qaqc_disclosed is not 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
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.