Permissive tracts for nickel, copper, platinum group elements (PGE), and chromium deposits of Mauritania (phase V, deliverable 66): Chapter G1 in Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II)
1990 ◽
Vol 37
(1)
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pp. 101-111
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2015 ◽
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1995 ◽
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