Borehole Number: |
Prospecting Company: De Beers Holdings Botswana |
Prospecting License No.: PL109/88 |
Coordinates Type: WGS 84 |
Coordinates Format: Decimal Degrees (DD) |
Coordinates: -22.834752 , 26.195671 |
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: 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 | 7 | U Kalahari - Unconsolidated reddish brown ferricreted and buff white nodular hardpan calcrete fragments. Few 2mm chips recovered. |
2. | 7 | 9 | U Kalahari - Buff white sub to mature nodular and medium to fine grained, moderately sorted calcareous Sandstones pervasively ferricreted at base. |
3. | 9 | 45 | Mosolotshane Formation - Reddish brown /maroon -grey massive and mature, uniform and competent argillaceous ferruginous siltstone/mudstone. |
4. | 45 | 78 | Tlhabala Formation - Dull pale greyish green massive and mature competent and argillaceous Shaley mudstone with occasional dark organic Shale layers. |
5. | 78 | 99 | Tlapana Formation - Dull dark grey black massive and mature competent and uniform carbonaceous Shale with vitranous Coaly layers at 89-92m, 93-94m, 95-96m, and 98-99m depths. |
6. | 99 | 108 | Tlapana Formation - Dull dark grey black mature and vitranous Shaley Coal with several thin vitreous Coal layers |
7. | 108 | 115 | Tlapana Formation- Dull grey massive and mature, moderately sorted organic Shale/siltstone. |
8. | 115 | 116 | Tlapana Formation- Dull dark grey black mature and vitranous Shaley Coal |
9. | 116 | 128 | Tlapana Formation- Light to dull grey white spotted, medium to coarse grained arenitic and moderate to well sorted mature and micaceous Sandstone- quartz wacke with thin organic strigers. |
10. | 128 | 185 | Tlapana Formation- Dull dark grey black, uniform and mature vitranous Shale with vitreous Coals seems at 149-150m, 152-161m, 163-165m, 167-169m and 170-171m. |
11. | 185 | 201 | Tlapana Formation- Dull grey mature and uniform medium grained massive quartzite. |
12. | 201 | 208 | Very fine grained, cyrstalline and mottled dolerite. |
13. | 208 | 216 | Tlapana Formation- Dull grey -black carbonaceous Shale/siltstone |
14. | 216 | 231 | Tlapana Formation - Dull grey medium grained mottled and crystalline dolerite |
15. | 231 | 236 | Sample missing. E.O.H |
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