Borehole Number: |
Prospecting Company: De Beers Holdings Botswana |
Prospecting License No.: PL78/88 |
Coordinates Type: WGS 84 |
Coordinates Format: Decimal Degrees (DD) |
Coordinates: N/A |
Location: Ghanzi |
Start Drill: N/A |
End Drill: N/A |
Borehole Type: Exploration |
Drilling Method: Core |
Sample Type: Core |
Depth of Surface Casing: N/A |
Azimuth: Degrees |
Hole Inclination: N/A |
Collar Elevation: N/A |
Borehole Water Strike: N/A |
End of Hole (Depth): N/A |
Hole Diameter: N/A |
Log Formation: |
No. | From (m) | To (m) | Log Formation |
---|
1. | 0 | 4 | Upper Kalahari: Loose Kalahari Sands. |
2. | 4 | 38 | Upper Kalahari: Semi consolidated Sand with minor calcrete. |
3. | 38 | 67 | Upper Kalahari: Mixed horizons of massive pale cream/buff brown calcareous Sandstone and red/brown (iron stained) Silcrete. |
4. | 67 | 176 | Lower Kalahari: Thick sequence of pale pink/cream medium to coarse grained calcareous Sandstone occassionally Conglomerateerate. |
5. | 176 | 190 | Karoo: Green/grey to mauve fine to medium grained Sandstone fining upwards from coarse Sandstone at 180m. |
6. | 190 | 198 | Karoo: Pale green/mauve fine grained laminated mudstone. |
7. | 198 | 211 | Karoo: Dark grey/black medium to coarse grained dolerite.Top 3m highly wthrd. |
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