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FOLEY SIDING
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Key Facts
Location:
Botswana
30 km SW of FRANCISTOWN Commodities: Diamond
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Comparable Properties
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Latest Information November 30, 2001 An additional programme of follow-up sampling in the area up-slope and to the west of block 35/95/3 was completed. The objective was to find the elusive potential kimberlite source of the two diamonds and the six kimberlitic garnets found in previous exploration in block 35/95/3 to the east. A total of twelve ilmenites (a kimberlite indicator mineral - KIM) were recovered from these samples but disappointingly no granets (another more important KIM), unlike the earlier six kimberlitic (3 sub-calcic G10 type) garnets found in block 35/965/3. Although the ilmenites exhibited optical characteristics of kimberlitic ilmenites, their chemical composition determined by microprobe analysis established that they were non kimberlitic. These ilmenites are probably associated with local dolerite dykes, the magnetic properties of which are similar to kimberlite, that the earlier distribution of garnets and diamonds are restricted to the environs of the down-slope block 35/95/3 and are probably associated with a dyke or fissure type kimberlite. However, the existence and the source of the relatively unabraded diamonds and the relatively abraded garnets remain enigmatical. November 30, 2001 An additional programme of follow-up sampling in the area up-slope and to the west of block 35/95/3 was completed. The objective was to find the elusive potential kimberlite source of the two diamonds and the six kimberlitic garnets found in previous exploration in block 35/95/3 to the east. A total of twelve ilmenites (a kimberlite indicator mineral - KIM) were recovered from these samples but disappointingly no granets (another more important KIM), unlike the earlier six kimberlitic (3 sub-calcic G10 type) garnets found in block 35/965/3. Although the ilmenites exhibited optical characteristics of kimberlitic ilmenites, their chemical composition determined by microprobe analysis established that they were non kimberlitic. These ilmenites are probably associated with local dolerite dykes, the magnetic properties of which are similar to kimberlite, that the earlier distribution of garnets and diamonds are restricted to the environs of the down-slope block 35/95/3 and are probably associated with a dyke or fissure type kimberlite. However, the existence and the source of the relatively unabraded diamonds and the relatively abraded garnets remain enigmatical. July 31, 2001 A detailed follow-up grid loam sampling on the property. The prospective sampling target is upstream of two small macrodiamonds and indicator mineral G10-type garnets, which M1T discovered and has reported on in earlier exploration. Data from recent governmental aerial surveys complement the selection of the sampling target. In 1999, ground magnetometry surveys was carried out over target 3a, an area, in which the previous year’s exploration grid loam sampling - found a single macro diamond (0.45mm) fragment. The survey revealed a dike-like near surface structural feature. Manual pitting in a number of locations along the anomaly failed to intersect any kimberlite. The possibility that the diamond originated further upstream of the area, is a pointed to a target for future exploration. |
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