Platinum group elements in stream sediments of mining zones: The Hex River (Bushveld Igneous Complex, South Africa)
نویسندگان
چکیده
منابع مشابه
The 190Pt–186Os decay system applied to dating platinum-group element mineralization of the Bushveld Complex, South Africa
a Northern Centre for Isotopic and Elemental Tracing, Department of Earth Sciences, Durham University, South Road, Durham DH1 3LE, UK b Federal Institute for Geosciences and Natural Resources, Stilleweg 2, 30655, Hannover, Germany c Laboratoire de Minéralogie et Cosmochimie, Muséum National d'Histoire Naturelle and CNRS (UMR 7202), 61 rue Buffon, Paris 75005, France d Department of Geological S...
متن کاملU–Pb geochronology documents out-of-sequence emplacement of ultramafic layers in the Bushveld Igneous Complex of South Africa
Layered intrusions represent part of the plumbing systems that deliver vast quantities of magma through the Earth's crust during the formation of large igneous provinces, which disrupt global ecosystems and host most of the Earth's endowment of Pt, Ni and Cr deposits. The Rustenburg Layered Suite of the enormous Bushveld Igneous Complex of South Africa has been presumed to have formed by deposi...
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The Etive igneous complex has intruded into Dalradian and Moine meta-sedimentary rocks in Devonian. Main rock types of the complex are granodiorite, monzodiorite, monzogranite, granite and diorite. Geochemical studies show that the magmas were of high K calc-alkaline, I-type and metaluminous nature. Application of discriminant diagrams to the Etive rocks indicates a possible within-plate tecton...
متن کاملGround Penetrating Radar for Diagnosis of Faulting along Parting Planes in South African Bushveld Mines
1. INTRODUCTION The Bushveld Complex in South Africa is a layered igneous intrusion that contains the world's largest known deposit of platinum group metals, as well as significant deposits of vanadium and chrome [1]. It spans about 350 km from east to west and is mined from surface down to about 2300 m. The platinum group metals are concentrated in two planar orebodies, the Merensky and the UG...
متن کاملGeochemistry of intermediate to siliceous volcanic rocks of the Rooiberg Group, Bushveld Magmatic Province, South Africa
The volcanic Rooiberg Group represents the earliest phase of Bushveld-related magmatism and comprises, in some areas, the floor and roof rocks of the mafic–ultramafic intrusive units of the Bushveld Complex. The lower to middle Dullstroom Formation is composed of two interbedded series of low Ti and high Ti volcanic strata, which are predominantly basaltic andesites. Volcanic units above these ...
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ژورنال
عنوان ژورنال: Journal of African Earth Sciences
سال: 2017
ISSN: 1464-343X
DOI: 10.1016/j.jafrearsci.2017.02.002