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Tom N. Clifford

The earth's deeper crust: case histories from Africa

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A recently published review of African granulite facies rocks and charnockitic intrusives (Clifford, 1974) is supplemented by a consideration of certain detailed studies: geochronological data for Namaqualand, Uganda and Nigeria are considered in relation to available data from other African occurrences; studies of paragenetical mineralogy of rocks of specialized chemistry from Namaqualand and Rhodesia are highlighted; and the polyphase deformation in Namaqualand, Uganda and elsewhere is stressed. Finally, the economic aspects of granulites and intrusive charnockites are discussed.

To cite this article

Tom N. Clifford, «The earth's deeper crust: case histories from Africa», Annales de la Société géologique de Belgique [En ligne], Publications spéciales = special publications, Géologie des domaines cristallins - Centenaire de la Société géologique de Belgique, 1974, 289-299 URL :

About: Tom N. Clifford

Department of Geology, University of the Witwatersrand, Johannesburg, South Africa.