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Exploration Borehole


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 Borehole Number: 105/24/X008

 
 Prospecting Company: De Beers Holdings Botswana
 Prospecting License No.: PL109/88
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: -22.834752 , 26.195671
 Location: Moralane

 
 Start Drill: 1900-01-02
 End Drill: N/A
 Borehole Type: Exploration
 Drilling Method: Percussion & Core
 Sample Type: Core & Chips
 Depth of Surface Casing: N/A
 Azimuth: Degrees
 Hole Inclination: -90 Degrees
 Collar Elevation: 1197 Metres
 Borehole Water Strike: N/A
 End of Hole (Depth): 236 Metres
 Hole Diameter: N/A

 
 Log Formation:
No.From (m)To (m) Log Formation
1.0 7U Kalahari - unconsolidated reddish brown ferricreted and buff white nodular hardpan calcrete fragments. Few +2mm chips recovered.
2.7 9U Kalahari - buff white sub to mature nodular and medium to fine grained, moderately sorted calcareous Sandstone pervasively ferricreted at base
3.9 45Mosolotshane Fm - reddish brown/maroon - grey massive and mature, uniform and competent argillaceous ferruginous siltstone/mudstone
4.45 78Thlabala Fm - dull pale greyish green massive and mature competent and argillaceous Shaley mudstone with occasional dark organic Shale layers
5.78 99Tlapana Fm - dull dark grey black massive and mature, competent and uniform carbonaceous Shale with vitranous Coaly layers at 89-92m, 93-94m, 95-96m, and 98-99m depths
6.99 108Tlapana Fm - dull dark grey black mature and vitranous shaly Coal with several thin vitreous Coal layers
7.108 115Tlapana Fm - dull grey massive and mature, moderately sorted organic Shale/siltstone
8.115 116Tlapana Fm - dull dark grey black mature and vitranous Shaley Coal
9.116 128Tlapana Fm - light to dull grey white spotted, medium to coarse grained arenitic and moderate to well sorted, mature and micaceous Sandstone - quartz wacke with thin organic stringers
10.128 185Tlapana Fm - dull dark grey black, uniform and mature vitranous Shale with vitreous Coals seams at 149-150m, 152 - 161m, 163-165m, 167-169m and 170-171m
11.185 201Tlapana Fm - dull grey mature and uniform, medium grained massive quartzite
12.201 208Very fine grained, crystalline and mottled dolerite
13.208 216Tlapana Fm - Dull grey - black carbonaceous Shale/siltstone
14.216 231Dull grey medium grained mottled and crystalline dolerite
15.231 236No chips available. Sample missing

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