the mineralogy is defined according to the type of formation where we: - reworked phosphates on interface eocene / continental terminal which is a sporadic level with a thickness of 1.5 is composed of: 23, 47% p2o5, 24, 58% sio 2; 6.35 feral and a cao / p2o5 1.43 - the phosphates that are interposed in the more...
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