The Thabazimbi-Murchison Lineament of the Kaapvaal Craton, South Africa; 2700 Ma of episodic deformation

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doi: 10.1144/gsjgs.154.1.0093
Authors:Good, Nadine; de Wit, Maarten J.
Author Affiliations:Primary:
University of Cape Town, Department of Geological Sciences, Rondesbosch, South Africa
Other:
University of Durham, United Kingdom
Volume Title:role of basement reactivation in continental deformation
Volume Authors:Butler, R. W. H., editor; Holdsworth, R. E.; Lloyd, G. E.
Source:Journal of the Geological Society of London, Vol.154 (Part 1), p.93-97; Discussion meeting on The role of basement reactivation in continental deformation, Burlington House, United Kingdom, March 6-7, 1996, edited by R. W. H. Butler, R. E. Holdsworth and G. E. Lloyd. Publisher: Geological Society of London, London, United Kingdom. ISSN: 0016-7649
Publication Date:1997
Note:In English. 18 refs.; illus., incl. block diag., 1 table, sketch maps
Summary:The Thabazimbi-Murchison lineament is a prominent tectonic fracture extending from ∼ 500 km in a NNW-SSW direction across the Kaapvaal craton. It has a tectonic history of >><[dollar]I> 2500 m.y. because it appears to form and/or influence the boundary between the Archaean granite/greenstone terrain of the Kaapvaal craton and the S margin of the high-grade terrain of the Limpopo mobile belt, the N margin of the Archaean-Proterozoic Transvaal basin and the S margin of the Mesoproterozoic Waterberg basin; it probably also influenced the emplacement of the Mesoproterozoic Bushveld complex. The Mesozoic Karoo basalts which formed the Springbok Flats erupted into half-graben structures formed by the normal reactivation of the strike/slip Zebedelia fault, part of the Thabazimbi-Murchison relay system. The lineament is cut by a Mesozoic dyke swarm associated with the break-up of Gondwana. [R.A.H.]
Subjects:Deformation; Faults; Lineaments; Mineral deposits, genesis; Mineral resources; Mineralization; Ore-forming fluids; Precambrian; Reactivation; Structural controls; Tectonics; Africa; Bushveld Complex; Kaapvaal Craton; Limpopo Belt; South Africa; Southern Africa; Transvaal region; Thabazimbi-Murchison Lineament; Transvaal Basin; Waterberg Basin
Abstract Numbers:97M/3007
Record ID:1997056630
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom
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