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 Borehole Number: 105/24/X005

 
 Prospecting Company: De Beers Holdings Botswana
 Prospecting License No.: PL109/88
 Coordinates Type: WGS 84
 Coordinates Format: Decimal Degrees (DD)
 Coordinates: -22.758756 , 26.24168
 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: 1251 Metres
 Borehole Water Strike: N/A
 End of Hole (Depth): 286 Metres
 Hole Diameter: N/A

 
 Log Formation:
No.From (m)To (m) Log Formation
1.0 4Unconsolidated coarse grained aeolian granitic Sands dominated by quartz, feldspar, Silcrete and ferricrete clasts. Few +2mm chips recovered.
2.4 10U Kalahari - dark grey - black massive and mottled mature calcreted Silcrete
3.10 22L Kalahari - buff white, massive sub to mature and well sorted argillaceous and ubiquitously Silcreted calcareous Sand/siltstone
4.22 69Ntane Fm - purple grey mature, well sorted and argillaceous calcareous Shale/siltstone becoming highly Silcreted below 29m depth and coarsening towards the base into a grey-white arkosic Sandstone
5.69 70Mosolotshane Fm - pale purple white spotted mature carbonaceous mudstone
6.70 71Mosolotshane Fm - coarse grained quartzitic/feldspathic gritstone with pale greyish-green Shale clasts
7.71 77Mosolotshane Fm - buff to pale grey uniform calcareous clay/siltstone
8.77 79Mosolotshane Fm - pale purple to buff grey mature and carbonaceous spotted mudstone/siltstone
9.79 120Mosolotshane Fm - grey to purple uniform Shale with mottled mud clasts
10.120 137Thlabala Fm - light grey massive and uniform, competent and mature non carbonaceous silty Shales
11.137 172Tlapana Fm - dark greenish grey black uniform and massive nature, carbonaceous spotted, micaceous silty Shales with Shaley Coal seams at 146-147m, 151 - 155m, and 157 - 158m
12.172 179Tlapana Fm - light grey - black, medium to coarse grained massive and mature, well sorted arenitic carbonaceous greywacke/quart wacke
13.179 200Tlapana Fm - dull dark grey - black mature and vitreous shaly Coal with vitreous Coal seams between 196 - 200m
14.200 205Tlapana Fm - light grey massive and mature well sorted argillaceous and slightly organic Shale/siltstone
15.205 233Tlapana Fm - dull dark grey - black mature and vitranous Shaley Coal with vitreous Coal seams at 206-208m, 209-211m, 216-218m, 221-222m, 223-226m, and 229-230m
16.233 235Tlapana Fm - dark grey massive and mature well sorted argillaceous and carbonaceous Shaley siltstone which grades into coarser more arenitic carbonaceous quartz wacke at base
17.235 246Tlapana Fm - dull dark grey black massive and mature competent carbonaceous Shale
18.246 250Tlapana Fm - light to dull grey medium to coarse grained arenitic and well sorted, mature and carbonaceous quartz wacke
19.250 257Tlapana Fm - dull dark grey black massive and mature, competent carbonaceous Shale with Shaley Coal seams at the basal 255-256m
20.257 261No chips available - sample missing
21.261 271Basement - greenish grey, fine to medium grained crystalline and massive feldspathic granopyhre, variously weathered and altered
22.271 280No chips available - sample missing
23.280 286Basement - dull greenish grey black altered, fine to medium grained feldspathic granophyre

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