Picture Not Available
Welcome | Search Borehole BGI | Exploration Borehole

Exploration Borehole


 
 Borehole Number: 105/17/X547/H01

 
 Prospecting Company: De Beers Prospecting Botswana (Pty) Ltd
 Prospecting License No.: PL 7/2000
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: -21.2122 , 24.384
 Location: Orapa

 
 Start Drill: 0000-00-00
 End Drill: 0000-00-00
 Borehole Type: Exploration
 Drilling Method: Percussion
 Sample Type: Core & Chips
 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): 143 Metres
 Hole Diameter: 8 in Millimetres

 
 Log Formation:
No.From (m)To (m) Log Formation
1.0 20Cream-white, calcrete & fine grained calcretised Sandstone.
2.0 20
3.20 40Pale-green-light-grey, silcretised Sandstone (pan sediments). Pale-green , colour redness with depth.
4.20 40
5.40 51Light-grey, silcretised Sandstone, silcretisation redness with depth. Light-brown, fine medium grained moderately sorted Sandstone.
6.40 51
7.51 63Light-grey to pale-yellow, siltstone.
8.51 63
9.63 72Reddish-brown clay rich, weathered igneous rock (basalt).
10.63 72
11.72 79Reddish-brown, weathered Basalt???
12.72 79
13.79 93Light-grey, fine grained, moderately sorted, micaceous Sandstone becoming loosely consolidated downwards..
14.79 93
15.93 95Pale green-light, fine grained moderately sorted Sandstone.
16.93 95
17.95 108This unit becomes coarser towards its base.
18.95 108
19.108 112Grey medium-coarse grained moderately-poorly sorted Sandstone.
20.108 112
21.112 115Reddish-brown-grey, fine grained weathered (at the top) igneous rock becoming coarse crystalline (plagiaclase?) Gabbro?
22.112 115
23.115 143Dark-grey, medium grained slightly coarse crystalline ( plagioclase feldspars???) Igneous Rock GABBRO ??? E.O.H.
24.115 143

© Botswana Geoscience Institute 2024 | www.bgi.org.bw | Disclaimer