| Borehole Number: |
| Prospecting Company: De Beers Holdings Botswana |
| Prospecting License No.: PL31/88 |
| Coordinates Type: WGS 84 |
| Coordinates Format: Decimal Degrees (DD) |
| Coordinates: -22.70467 , 27.884321 |
| 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 | 3 | Mixture of Topsoil, Silcretes & basement fragments. |
| 3. | 3 | 13 | Small dark blue, featuresless fragments of kimberlite. Large portion of pink felsic basement intercalated with grey siliceous crystalline basement. |
| 4. | 13 | 18 | TKB |
| 5. | 18 | 32 | Rare kimberlite fragments show rounded dark brown micas (phlogopites). |
| 6. | 32 | 44 | Kimberlite, blue, featureless. Minor portion of chips. Occasional chips contain phlogopite micas. Majority of chips of pink felsic basement intercalated with grey crystalline siliceous material. |
| 7. | 44 | 50 | TKB |
| 8. | 50 | 75 | Kimberlite featureless, consists of minor portion of chips. Majority of chips consists of pink basement intercalated with grey crystalline siliceous material. |
| 9. | 75 | 80 | TKB |
| 10. | 80 | 97 | Kimberlite featureless & makes up minor portion f chips. Major portion consists of pink basement intercalated with grey crystalline siliceous material. |
| 11. | 97 | 110 | TKB |
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