首页|Distinctive mineral assemblages from carbonate contaminated Flatreef, northern limb, Bushveld Complex, South Africa
Distinctive mineral assemblages from carbonate contaminated Flatreef, northern limb, Bushveld Complex, South Africa
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The northern limb of the Bushveld Complex, South Africa, contains various mineralised horizons, one of which is the Flatreef. The Flatreef is the correlative equivalent of the Upper Critical Zone in the eastern and western limbs of the Bushveld Complex. In the northern limb, the Flatreef is emplaced in direct contact with the Transvaal Supergroup sediments and shows significant petrological and geochemical evidence for magma-footwall interaction. Ultramafic rocks in the Lower Flatreef comprise distinctive hybrid lithologies that form the Footwall Assimilation Zone (FAZ) and are associated with fragments of partially melted sedimentary xenoliths. In this study, we investigate the petrography and geochemistry of the various mineral assemblages that are associated with dolomitic xenoliths with the aim of providing further understanding of the processes of carbonate assimilation that occurred.
S. Dyan、N. Tonnelier、S. A. Prevec
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Department of Geology, Rhodes University, Grahamstown, Eastern Cape, South Africa
Geoscience Department, Nelson Mandela University, Port Elizabeth, Eastern Cape, South Africa
2022
Transactions of the Institutions of Mining and Metallurgy
NSTL
