Target package · Makgadikgadi and Sua Pan
MKG-LI-003 · Sua Pan North Brine
Evaporite and brine. Conceptual. Rank 3 of 10 nationally, model run li-v1.4.
Prospectivity
High 0.78
Confidence
58%
Data completeness and label density
Commodity
Li Lithium
Evaporite and brine
Ground
Open ground
No tenure · cadastre 08 Sep 2026
Area
312 km²
-20.420, 26.050
Competent person
modified
M. Mokgatlhe, MAusIMM CP
Loading basemap…
Why this target scores 0.78
Feature influence from the physics-informed model. Constraints listed in the run record.
- + Evaporite basin depocentre (gravity) 36%
- + Li-B-K brine chemistry, 4 boreholes 28%
- + Graben-bounding fault within 5 km 15%
- − Only 4 brine samples, unknown lab QA 21%
Limitations
- Labels are scarce; semi-supervised anomaly detection used
- Ranking moves 2 places under sensitivity testing
Evidence
Every layer traces to a catalogued source with confidence and lineage
| Layer | Dataset | Custodian | Confidence | Review | |
|---|---|---|---|---|---|
| Makgadikgadi hydrogeology boreholes (DWA) | BW-DR-0087 | Department of Water Affairs | C | machine | Lineage |
| Regional gravity compilation | BW-GP-0002 | 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 modified
Sensitivity Moves 2 ranks
Decision, reasoning and model version go in the hypothesis report.
Recommended next step
Brine sampling campaign, 20 sites, certified lab
Indicative budget
US$180,000
Classification
ROPO alignedSAMREC exploration targetUNFC G4
Run record
li-v1.4
- 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