Magmatic deposits—oxides (Fe and Cr)
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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

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Gravitational segregation

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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

Basin

Yangtze

River


Yangtze River

Ning-Wu Basin


The Kaapvaal Creton in S Africa


The Bushveld Igneous Complex (BIC) in South Africa

Granite

Mafic-

ultramafic


The

ring

structure


The Great Dike


Cross section of

The Great Dike

Granitic

basement

Chromite-bearing

serpentinite

Platium-bearing

pyroxenite


Stillwater complex


Muskox intrusions


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