Magnesium isotopic systematics of metapelite in the deep crust and implications for granite petrogenesis
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چکیده
منابع مشابه
The Mg isotopic systematics of granitoids in continental arcs and implications for the role of chemical weathering in crust formation.
Continental crust is too Si-rich and Mg-poor to derive directly from mantle melting, which generates basaltic rather than felsic magmas. Converting basalt to more felsic compositions requires a second step involving Mg loss, which is thought to be dominated by internal igneous differentiation. However, igneous differentiation alone may not be able to generate granites, the most silicic endmembe...
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ژورنال
عنوان ژورنال: Geochemical Perspectives Letters
سال: 2015
ISSN: 2410-339X,2410-3403
DOI: 10.7185/geochemlet.1508