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Russian Geology and Geophysics

2006 year, number 12

PLATINIFEROUS ULTRAMAFIC-MAFIC ASSEMBLAGES OF MOBILE BELTS IN CENTRAL AND SOUTHEASTERN ASIA

G.V. Polyakov, A.E. Izokh, and A.P. Krivenko
Institute of Geology and Mineralogy, Siberian Branch of the RAS,
3 prosp. Akad. Koptyuga, Novosibirsk, 630090, Russia
Keywords: Magmatism, geodynamics, mobile belt, platiniferous ultramafic-mafic complexes
Pages: 1201-1216

Abstract

Platiniferous ultramafic-mafic magmatic assemblages of different types of mobile belt structures from the folded framing of the Siberian and South Chinese cratons are considered in a wide span of time, from Precambrian to Mesozoic. Attention is given to platinum mineralization linked to diverse complexes formed under different geodynamic settings: ultrabasic and basic intrusions of Precambrian greenstone belts, layered ultramafic-mafic intrusions of marginal near-platform rift-related structures, Alpine-type ultrabasic rocks of Riphean-Early Paleozoic ophiolite belts, volcanic-plutonic complexes of Paleozoic collision orogens, picrite-dolerite and alkali-basite volcanic-plutonic associations of Hercynian and Permian-Triassic systems.