| Borehole Number: |
| Prospecting Company: De Beers Holdings Botswana |
| Prospecting License No.: PL31/88 |
| Coordinates Type: WGS 84 |
| Coordinates Format: Decimal Degrees (DD) |
| Coordinates: -22.705261 , 27.881907 |
| 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 Topsoil. |
| 2. | 1 | 3 | Calcretised & silicified Sand - much granular qtz in silicified matrix. |
| 3. | 3 | 10 | Highly weathered, strongly foliated chloritized mica feldspar Schist. Predominantly Clays greenish colour. |
| 4. | 10 | 25 | Moderately fresh biotite - Amphiboliteibolite Schist as above. |
| 5. | 25 | 32 | Fine grained, dark grey - chews to fine Clays. Core at 31-34m shows k-fspar banding dripping 40 degrees. Foliation present, but not as evident as selust above. Pervasively speckled with 0.5-1.0mm k-feldspar. Chlorite Schist. |
| 6. | 32 | 34 | Chlorite Schist. |
© Botswana Geoscience Institute 2024 | www.bgi.org.bw | Disclaimer