Platinum-group elements in rocks from the voikar-syninsky ophiolite complex, Polar Urals, U.S.S.R.
作者： N.J Page , P.J. Aruscavage , J. Haffty
DOI: 10.1007/BF00204489
关键词: Chromitite 、 Mafic 、 Mantle (geology) 、 Ultramafic rock 、 Geology 、 Platinum group 、 Ophiolite 、 Paleozoic 、 Geochemistry 、 Tectonite 、 Petrology
摘要: Analyses of platinum-group elements (PGE) in rocks collected from the Voikar-Syninsky ophiolite Polar Urals suggest that distribution and geochemistry PGE this Paleozoic are similar to those Mesozoic ophiolites elsewhere. Chondrite-normalized patterns for chromitite, tectonite unit, ultramafic mafic cumulate unit have negative slopes. These results found chromitites other ophiolites; stratiform chromities show positive If magmas form both types chromitite originate mantle source material with respect content, processes involved must be quite different. However, distinct chondrite-normalized may reflect differing materials.
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