gravitational segregation
DESCRIPTION
Magmatic deposits—oxides (Fe and Cr). Gravitational segregation. Phanerozoic Granites in S China. SCMB. CNMB. Emeishan plume basalt—256 Ma. Fe ores: Pan-Xi district (1) and Baiyuan-Ebo (18). Gabbro: cumulated Emeishan basalts. Ma-An-Shan andesitic porphyry--rich in magnetite. Ning-Wu - PowerPoint PPT PresentationTRANSCRIPT
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Gravitational segregation
Magmatic deposits—oxides (Fe and Cr)
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Phanerozoic Granites in S China
SCMB
CNMB
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Emeishan plume basalt—256 Ma
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Fe ores: Pan-Xi district (1) and Baiyuan-Ebo (18)
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Gabbro: cumulated Emeishan basalts
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Ma-An-Shan andesitic porphyry--rich in magnetite
Ning-WuBasin
YangtzeRiver
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Ning-Wu Basin
Yangtze River
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The Kaapvaal Creton in S Africa
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The Bushveld Igneous Complex (BIC) in South Africa
Granite
Mafic-ultramafic
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Theringstructure
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The Great Dike
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Cross section of The Great Dike
Chromite-bearingserpentinite
Graniticbasement
Platium-bearingpyroxenite
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Stillwater complex
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Muskox intrusions