Mafic magmas commonly exsolve appreciable quantities of iron sulphide melt containing significant proportions of Cu, Ni and Co. As the sulphide melt cools, it first crystallizes an Fe–Ni monosulphide ...
When one tectonic plate sinks beneath another, it generates magmas rich in volatiles such as water, sulphur and chlorine. As these magmas ascend, they release magmatic fluids, in which sulphur and ...
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