Target package · Tati and Vumba
TAT-AU-011 · Vumba Greenstone East
Orogenic and greenstone. Early target. Rank 6 of 10 nationally, model run au-v1.1.
Prospectivity
Medium 0.73
Confidence
71%
Data completeness and label density
Commodity
Au Gold
Orogenic and greenstone
Ground
Prospecting licence
Tati Nickel Mining
Area
58 km²
-21.020, 27.730
Competent person
accepted
K. Dlamini, FGSSA
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Why this target scores 0.73
Feature influence from the physics-informed model. Constraints listed in the run record.
- + Shear zone within 1 km (mapped) 35%
- + Historical Au workings, 1930s 22%
- + Magnetic lineament intersection 18%
Limitations
- Historical assays lack QA/QC
Evidence
Every layer traces to a catalogued source with confidence and lineage
| Layer | Dataset | Custodian | Confidence | Review | |
|---|---|---|---|---|---|
| Report GS-0212, Francistown district 1934 | BW-DOC-0212 | Botswana Geoscience Institute | C | machine | Lineage |
| Airborne magnetics, Tati 2008 | ds-mag-tati-2008 | not catalogued | 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
Trenching and channel sampling on 3 old workings
Indicative budget
USD 70,000
Classification
ROPO alignedSAMREC exploration targetUNFC G4
Run record
au-v1.1
- 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