Borehole Number: |
Prospecting Company: De Beers Holdings Botswana |
Prospecting License No.: PL109/88 |
Coordinates Type: WGS 84 |
Coordinates Format: Decimal Degrees (DD) |
Coordinates: -22.860747 , 26.075668 |
Location: Moralane |
Start Drill: 1900-01-02 |
End Drill: N/A |
Borehole Type: Exploration |
Drilling Method: Percussion & Core |
Sample Type: Core & Chips |
Depth of Surface Casing: N/A |
Azimuth: Degrees |
Hole Inclination: N/A |
Collar Elevation: 1206 Metres |
Borehole Water Strike: N/A |
End of Hole (Depth): 241 Metres |
Hole Diameter: N/A |
Log Formation: |
No. | From (m) | To (m) | Log Formation |
---|
1. | 0 | 4 | Unconsolidated surface material(black carbonaceous shales,ferruginous silcrete,cacrete fragments). |
2. | 4 | 10 | Khaki,weathered,massive,mature,medium to fine-grained,argillaceous sandstone. |
3. | 10 | 35 | Pale pinkish maroon weathered and massive mature argillaceous Sandstone/siltstone fining towards the base to a bright pink-red mud/Claystone around 11m depth. |
4. | 35 | 62 | Reddish-maroon mature, argillaceous, well-sorted and white-spotted shale/siltstone. |
5. | 62 | 76 | Light-grey,weathered,mature,argillaceous sandstone/siltstone with a very slight greenish tinge. |
6. | 76 | 131 | Bright red-maroon,weathered,mature,massive,white-spotted,argillaceous mudstone. |
7. | 131 | 179 | Dark-grey green tinged uniform,massive,mature,argillaceous,non-carbonaceous shales,becoming more organic towards the base. |
8. | 179 | 190 | Dull grey-black,uniform,mature,argilaceous,carbonaceous vitraneous shale/claystone with thin vitreous coal lenses. |
9. | 190 | 233 | Pale grey-greenish-tinged,uniform,massive,argillaceous,laminated shales,coarsering towards the base into a silty/sandy shale. |
10. | 233 | 241 | Dull grey-black,uniform,massive,argillaceous,carbonaceous,vitraneous shales/claystones. E.O.H |
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