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Exploration Borehole


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 Borehole Number: 105/24/X005/H1

 
 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: 1996-01-01
 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: N/A
 Collar Elevation: N/A
 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,ferricrete clasts.
2.4 10Dark grey-black,massive,mottled,mature calcreted silcrete.
3.10 22Buff-white,massive,sub to mature,well sorted,argillaceous and ubiquitously silcreted calcareous sand/siltstone.
4.22 69Purple-grey,mature,well sorted,argillaceous,calcareous shale/siltstone.
5.69 70Pale purple,white,spotted,mature,carbonaceous mudstone.
6.70 71Coarse-grained quartzitic/feldspathic gritstone with pale-greyish-green shale clasts.
7.71 77Buff to pale grey uniform calcareous clay/siltstone.
8.77 79Pale purple to buff-grey, mature, carbonceous, spotted mudstone/siltstone.
9.79 120Grey to purple, uniform shale with motled mud clasts.
10.120 137Light-grey massive and uniform, competent and mature non-calcareous silty shale.
11.137 172Dark greenish-grey/black,uniform,massive,mature,carbonaceous,spotted,micaceous,silty shale.
12.172 179Light-grey black,medium to coarse-grained,massive,mature,well sorted,arenitic,carbonaceous greywacke/qyartzwacke.
13.179 200Dull dark-grey,mature,vitraneous shaly coal with vitreous coal ceams betwwen 196-200m.
14.200 205Light-grey,massive,mature,well sorted,slightly organic shale/siltstone.
15.205 233Dull dark-grey black mature and vitraneous shaly coal.
16.233 235Dark-grey,massive,mature,wellsorted,argillaceous,carbonaceous,shaly siltstone which grades into a coarse,arenitic carbonaceous quartzwacke at base.
17.235 246Dull dark-grey black massive and mature competent carbonaceous shale.
18.246 250Light to dull-grey,medium to coarse-grained,arenitic,well sorted,mature,carbonaceous quartzwacke.
19.250 257Dull dark-grey black,massive,mature,competent,carbonaceous shale with shaly coal seams at 253-256m.
20.257 261Missing sample.
21.261 271Greenish-grey,fine to medium-grained,crystalline,massive,feldspathic granophyre,variously weathered and altered.
22.271 280Missing sample.
23.280 286Dull greenish-grey-black, altered, fine to medium-grained, feldspathic granophyre. E.O.H

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