Target package · Gcwihaba
GCW-REE-002 · Gcwihaba Skarn Corridor
Polymetallic skarn. Conceptual. Rank 5 of 10 nationally, model run ree-v0.9.
Prospectivity
Medium 0.66
Confidence
46%
Data completeness and label density
Commodity
REE Rare earths
Polymetallic skarn
Ground
Open ground
No tenure · cadastre 08 Sep 2026
Area
128 km²
-20.020, 21.350
Competent person
pending
M. Mokgatlhe, MAusIMM CP
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Why this target scores 0.66
Feature influence from the physics-informed model. Constraints listed in the run record.
- + Radiometric Th anomaly 33%
- + Carbonate-intrusive contact mapped 1:250k 25%
- − No modern geochemistry 30%
Limitations
- Readiness gate: defer until stream-sediment programme completes
Evidence
Every layer traces to a catalogued source with confidence and lineage
| Layer | Dataset | Custodian | Confidence | Review | |
|---|---|---|---|---|---|
| Airborne radiometrics, NW block 1997 | BW-GP-0031 | Botswana Geoscience Institute | B | verified | Lineage |
Competent-person adjudication
Sign-off is real only if the reviewer can reject the target
ReviewerM. Mokgatlhe, MAusIMM CP
Current decision pending
Sensitivity Moves 2 ranks
Decision, reasoning and model version go in the hypothesis report.
Recommended next step
Stream-sediment sampling, 140 sites
Indicative budget
USD 120,000
Classification
ROPO alignedSAMREC exploration targetUNFC G4
Run record
ree-v0.9
- 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