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Arsenic in groundwater affected by phosphate fertilizers at São Paulo, Brazil
This paper studies metalloid mobility in soils produced by conventional farming methods. The mobility of arsenic in soils depends on several factors...
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Apport des diagraphies instantanées à l’étude des indurations du recouvrement sableux du gisement de phosphate de Tobène (Taïba, Sénégal)
The Taïba lime phosphate ore deposit (Senegal) is a layer of 7 m average thickness, overlain by an unproductive caprock of more than 40 m. In Ndomor...
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Weathering Of Phosphate Minerals
The known natural phosphate minerals exceed 250 in number (Fisher 1973). However, the more common ones are small in number and belong to the apatite...