Picture Not Available
Welcome | Search Borehole BGI | Exploration Borehole

Exploration Borehole


Print PDF
 
 Borehole Number: 105/21/X044/H6

 
 Prospecting Company: De Beers Holdings Botswana
 Prospecting License No.: PL78/88
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: -22.633408 , 21.417978
 Location: Ghanzi

 
 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 41Kalahari Sand.
2.41 46Cream white poorly sorted immature Kalahari Group Sandstone, almost all calcretised.
3.46 49Light pink silcretised poorly sorted matrix supported Sandstone.
4.49 54White angular chips of silcretised poorly sorted texturally immature Kalahari Group Sandstone.
5.54 63White sharp angular chips of silcretised poorly sorted texturally immature Sandstone.Some pink varieties also noted: calcretisation reduces.
6.63 69Cream white calcretised poorly sorted Sandstone notably with large quartz grains.
7.69 80Poor recovery. Cream white calcretised Sandstone.
8.80 93Poor recovery. calcretised Sandstone.
9.93 97Calcretised sabdstone, poorly sorted and immature.
10.97 104Varieties of light pinkish and grey micaceous medium sorted epiclastic Sandstone.
11.104 109Red ferrugenous mica rich Sandstone . Ferrugenous mudstone also observed both ilmenites and garnets, heavy mineral counts very high (+50).
12.109 115Dark grey and yellowish highly weathered kimberlite occuring with grey micaceous epiclastic Sandstone few xenoliths of basalt and Karoo Sandstone observed.
13.115 123Highly weathered cream white or light yellow kimberlite: Light purple to pink micaceous epiclastic Sandstone.
14.123 126Dark borwn micaceous mature Karoo type Sandstone dark brown mudstone horizon.
15.126 127Siltstone dark brown colour.
16.127 131Dark brown mature Sandstone micaceous and well sorted.
17.131 134Siltstone dark brown; poor recovery.
18.134 139Dark pink supermature Sandstone, Karoo Sandstone.
19.139 140Yellow mudstone.
20.140 146Dark brown siltstone and/or mudstone.

© Botswana Geoscience Institute 2022 | www.bgi.org.bw | Disclaimer