Browsing by Author "Wigley, Rochelle Anne"

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The geochemistry of the Karoo igneous volcanic and intrusive rocks of Botswana

Author: Wigley, Rochelle Anne Date: 1995 The Mesozoic basalts and dolerites of Botswana underlie an estimated area of 150 000km2 and form part of the Karoo Igneous Province of southern Africa. The distribution of Karoo basalts in Botswana is limited essentially to three main sub-basins, ... Read more
Sedimentary facies from the Head of the Cape Canyon : insights into the Cenozoic evolution of the western margin of South Africa

Author: Wigley, Rochelle Anne Date: 2004 Cenozoic sedimentary successions have a restricted distribution and are largely incomplete due to erosion and non-deposition on the western margin of southern Africa. For this reason, much controversy and uncertainty remains on the geological ... Read more

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