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Exploration Borehole


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 Borehole Number: 105/24/X003

 
 Prospecting Company: De Beers Holdings Botswana
 Prospecting License No.: PL109/88
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: -22.763756 , 26.096669
 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): 289 Metres
 Hole Diameter: N/A

 
 Log Formation:
No.From (m)To (m) Log Formation
1.0 7U Kalahari - Buff grey massive and mottled calcreted Silcrete
2.7 25U Kalahari - L Kalahari - buff white fine grained, sub to mature argillaceous and calcareous Sandstone
3.25 27L Kalahari - buff red tinged/stained fine grained, sub to mature argillaceous and calcareous Sandstone
4.27 32Mosolotshane Fm - purplish mature gritstone comprising predominantly dark grey Silcrete fragments and buff white calcareous Sandstone
5.32 39Mosolotshane Fm - purplish mauve mature and very fine grained well sorted argillaceous mudstone
6.39 47Mosolotshane Fm - Purple grey sub mature gritstone comprising predominantly mottled dark grey Silcrete and minor amounts of mauve argillaceous mudstone
7.47 53Mosolotshane Fm - mauve greenish grey tinted feldspathic and mature greywacke
8.53 57Mosolotshane Fm - buff grey, moderately sorted, sub to mature argillaceous and massive siltstone
9.57 58Mosolotshane Fm - Purple mauve sub mature gritstone dominated by mottled grey Silcrete clasts/fragments
10.58 60Mosolotshane Fm - cream - white sub to mature, moderate to well sorted siltstone
11.60 74Mosolotshane Fm - purple mauve platy mud/Claystone with argillaceous siltstone lenses
12.74 76Mosolotshane Fm - light purple - brown, massive and mature, well sorted siltstone/Shale
13.76 96Mosolotshane Fm - purple - mauve massive and mature mudstone with upward fining sequences. The sediment exhibits greyish lamination bands towards base.
14.96 148Mosolotshane Fm - buff pale grey - brown massive and mottled siltstones, Shales, mud and Claystones
15.148 278Tlapana Fm - grey - black massive and mature carbonaceous Shales with intermittent vitreous Coaly layers at 215-221m, 227-233m, 245-248m, and 250-262m depths
16.278 289Basement - weathered/altered dark brown probable Amphiboliteibolite becoming dark grey black and fresh at depth

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