Arapuá, Minas Gerais, Brazil
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|Location is approximate, based on center of defined region.|
|Latitude & Longitude (WGS84):||19° South , 46° West (est.)|
This area was originally reported as having potential to produce diamonds from Cretaceous conglomerates and modern alluvial deposits (e.g., Fleischer, 1998). More recently, exploratory drilling encountered 6-49 meters of lateritic soil developed on kamafugitic volcanic deposits rich in phosphorus and potassium. Drilling stopped when solid rock was encountered. The soil can be crushed and applied to agricultural crops without further processing, making a natural fertilizer for use on surrounding croplands. Drilling suggests a resource of 13.07 Mt at 3.1% K2O and 2.49% P2O5, translating to a mine life of over 100 years at a rate of 450k tonnes per annum. Mineralogy has not been determined, and is specified only as “clay.”
1 valid mineral.
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Fleischer, R. (1998): A rift model for the sedimentary diamond deposits of Brazil. Mineralium Deposita 33, 238-254.