Borehole Number: |
Prospecting Company: De Beers Holdings Botswana |
Prospecting License No.: PL31/88 |
Coordinates Type: WGS 84 |
Coordinates Format: Decimal Degrees (DD) |
Coordinates: -22.70505 , 27.883136 |
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 | Topsoil |
2. | 1 | 11 | Highly weathered TKB. |
3. | 11 | 30 | Weathered TKB. |
4. | 30 | 34 | Inclusion poor hypabyssal kimberlite. |
5. | 34 | 51 | TKB |
6. | 51 | 69 | TKB - see separate logs for hypabyssal kimberlite and xenolith occurences. |
7. | 69 | 71 | Xenolith - quartz - chlorite Schist. |
8. | 71 | 91 | Quartz chlorite Schist. |
9. | 91 | 111 | Hypabyssal kimberlite |
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