Target package · Selebi-Phikwe and Tati
SPK-NI-007 · Selebi North Offset
Magmatic Ni-Cu sulphide. Advanced target. Rank 4 of 10 nationally, model run ni-v2.0.
Prospectivity
High 0.84
Confidence
85%
Data completeness and label density
Commodity
Ni Nickel
Magmatic Ni-Cu sulphide
Ground
Mining licence
Premium Nickel Resources
Area
41 km²
-21.880, 27.860
Competent person
accepted
K. Dlamini, FGSSA
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Why this target scores 0.84
Feature influence from the physics-informed model. Constraints listed in the run record.
- + EM conductor plate, 380 m depth 38%
- + Amphibolite host, Selebi-Phikwe style 27%
- + Ni-Cu-PGE soil anomaly 16%
Limitations
- Within an active mining licence
Evidence
Every layer traces to a catalogued source with confidence and lineage
| Layer | Dataset | Custodian | Confidence | Review | |
|---|---|---|---|---|---|
| Airborne EM, Selebi-Phikwe 2016 | BW-GP-0126 | Botswana Geoscience Institute | A | verified | Lineage |
| BCL drillhole archive | BW-DR-0009 | Ministry of Minerals and Energy | B | reviewed | Lineage |
Competent-person adjudication
Sign-off is real only if the reviewer can reject the target
ReviewerK. Dlamini, FGSSA
Current decision accepted
Sensitivity Stable
Decision, reasoning and model version go in the hypothesis report.
Recommended next step
Downhole EM on 3 legacy holes
Indicative budget
USD 95,000
Classification
ROPO alignedSAMREC exploration targetUNFC G4
Run record
ni-v2.0
- Algorithm
- Physics-informed gradient boosting
- Constraints
- Redox boundary, stratigraphy, cover depth
- Validation
- Block CV, blind-site 12/14
- Confidence filter
- Class A to C inputs
- Resolution
- 500 m cells
- Signed
- 2026-09-08