作者: Franco Pirajno
DOI: 10.1007/978-94-017-2502-6_7
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摘要: Erosion of continental flood basalts exposes the underlying feeder dykes and layered intrusions. Intracontinental intrusions, hosting magmatic ore deposits, have closest link with mantle plumes. By far best example great intrusions is Bushveld Igneous Complex in South Africa, which undoubtedly largest repository Cr, PGE V world. In addition, this contains large resources other metals, such as Sn, Cu, Au, W, related to regional-scale hydrothermal systems powered by its heat. Layered therefore, constitute an economically important class bodies. For reason, understanding physico-chemical mechanisms that lead layering precipitation sulphides oxides fundamental importance.