MORB-related dolerites associated with the final phases of Karoo flood basalt volcanism in southern Africa.

Duncan, Andrew R; Armstrong, R A; Erlank, Anthony J; Marsh, Julian S; Watkins, R T

Title: MORB-related dolerites associated with the final phases of Karoo flood basalt volcanism in southern Africa.
Creator: Duncan, Andrew R
Creator: Armstrong, R A
Creator: Erlank, Anthony J
Creator: Marsh, Julian S
Creator: Watkins, R T
Date Issued: 1990
Date: 1990
Type: text
Type: conference paper
Identifier: http://hdl.handle.net/10962/143299
Identifier: vital:38222
Identifier: https://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetailampidt=6938249
Description: The Rooi Rand dyke swarm is approximately 200km long and up to 20km wide. It crops out in the southern portion of the Lebombo monocline where the dykes intrude basalts of the Sabie River Basalt Formation which is the major basaltic unit in the eastern portion of the Karoo volcanic succession. The Horingbaai dolerites form thin dykes and sills which intrude the base of the Etendeka lava pile (considered part of the Karoo Volcanics, but correlated with the Serra Geral Formation of Brazil) along the coast of Namibia. Both the Rooi Rand and Horingbaai magma types are similar in composition to enriched MORB and are compositionally distinct from most of the Karoo-basalts they intrude.
Format: 11 pages
Format: pdf
Language: English
Relation: International dyke conference
Relation: EDuncan, A.R., Armstrong, R.A., Erlank, A.J., Marsh, J.S. and Watkins, R.T., 1990. MORB-related dolerites associated with the final phases of Karoo flood basalt volcanism in southern Africa. In International dyke conference. 2 (pp. 119-129).
Relation: International dyke conference volume 2 119 129 1990 1531-2542
Rights: Author
Rights: Use of this resource is governed by the terms and conditions of the Author

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