Tectono-metallogenic units and metallogenic provinces of Africa
Identifieur interne : 000084 ( Istex/Curation ); précédent : 000083; suivant : 000085Tectono-metallogenic units and metallogenic provinces of Africa
Auteurs : Tom N. Clifford [Royaume-Uni]Source :
- Earth and Planetary Science Letters [ 0012-821X ] ; 1966.
Abstract
Abstract: When the major mineral deposits of Africa are studied in relation to the structure of the continent, two tectono-metallogenic units emerge, as follows: (a)younger orogens consisting of zones which have suffered orogenesis from time to time during the past ca. 1200 m.y. — characterised by major deposits of Cu, Pb, Zn, Co, Sn, W, Be and NbTa and (b)older cratons, with a record of older orogenesis but which have remained stable throughout the younger periods of tectonism — characterised by important deposits of Au, Fe, Cr, asbestos and diamond. The more localised metallogenic provinces of ore concentration within these major units are briefly discussed.
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DOI: 10.1016/0012-821X(66)90039-2
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