Borehole Number: |
Prospecting Company: De Beers Holdings Botswana |
Prospecting License No.: PL31/88 |
Coordinates Type: WGS 84 |
Coordinates Format: Decimal Degrees (DD) |
Coordinates: -22.705048 , 27.883568 |
Location: Lerala |
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 | 1 | Brown clayey Topsoil in burnt qtz rubble. |
2. | 1 | 4 | As above + calcrete. |
3. | 4 | 12 | Highly weathered TKB. |
4. | 12 | 14 | 20-60% inclusions of kfs, qtz, and minor purple waterberg Quartzite. |
5. | 14 | 16 | Chlorotised/altered quartzo feldspathic gneiss. |
6. | 16 | 21 | Inclusion poor (10-5% inclusions) blue grey moderately weathered macrocrystic kimberlite. |
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