SUH: Chalcocite Logged in Ongoing Diamond Drilling At Llahuin
Original announcement by asx on
- Company
- Southern Hemisphere Mining Limited
- Ticker
- SUH
- Exchange
- ASX
- Region
- Chile
- Primary commodity
- Copper
- Secondary commodities
- Gold
- Document categories
- Drill results, Other
- Extracted
- 2026-10-21 22:34:35 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Southern Hemisphere Mining is progressing its 2,000m diamond drilling program at the Llahuin Project in Chile. Recent logging in hole 24LHRD067 has identified chalcocite and chalcopyrite, and a new potential copper-gold target has been identified via historic drilling and outcrop observations.
Reasoning: The release reports progress in an ongoing drilling program and the logging of beneficial chalcocite mineralisation, though no new assay results are provided in this specific announcement.
Positive factors
- Logging of chalcocite is encouraging due to high copper content and beneficial processing qualities
- Identification of a new potential higher-grade copper-gold prospect
- Ongoing diamond drilling program is progressing
Negative factors
- First assays for the current 2,000m program are still pending (expected late November 2026)
- New gold-copper target relies on a single historic hole with no copper assays
Facts used in scoring: 1
Classification and evidence
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: The company is targeting extensions of the existing Llahuin system and identifying new targets based on proximity to known mineralisation.
Evidence · text
“Extension drilling in hole 24LHRD067... has logged both chalcocite (Cu2S) and chalcopyrite (CuFeS2) mineralisation”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The document provides extensive details on sampling, assaying, and QA/QC protocols used for recent drilling.
Evidence · text
“Recent diamond drilling showed assays to be less than expected for gold at Colina2 and the sludge from the coresaw was sampled and sent to ALS La Serena for gold analysis.”
Extracted facts
Stored fact records: 1. Some facts used in scoring do not have a stored record.
Drill Results (1)
RCLLA009Llahuin · goldGrade: 3.67Grade Unit: g/tIntercept: 8 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- RCLLA009
- Project
- Llahuin
- Commodity
- gold
- Region
- chile
- Reported Region
- chile
- Ticker
- SUH
Geometry
- Grade
- 3.67
- Grade Unit
- g/t
- Intercept
- 8 m
- From
- 45 m
- To
- 53 m
- Intercept Depth
- 45 m
Classification
- Sample Type
- drill
- Group ID
- RCLLA009:45-53
QA/QC
- QA/QC Disclosed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, umpire
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2026-10-21T00:00:00.000Z
Reasoning: Historic intercept of 8m @ 3.67 g/t gold from RCLLA009, which has not been assayed for copper.
Positive factors
- Significant gold grade in a historic hole
Negative factors
- No copper assays were performed on this historic interval
- Historical data requires verification
Evidence · text
“one historic hole 8m @ 3.67g/t gold, from 45m with no copper assays done (RCLLA009)”
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
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.