This theory is contrary to the widely held view that the systems were deposited from metamorphic fluids, that is, from fluids that formed during the dehydration of wet sedimentary tocks.
2
基底变质岩的成分和形成时代对揭示地壳演化至关重要。
The compositions and formation history of basement metamorphic rocks are the key to understanding crust evolution.
3
它们是华力西—印支期板内逆冲推覆构造所形成的断裂变质岩。
They are fault metamorphic rocks formed in thrusting nappe structure inside continental plate during Variscan-Indonian Stage.
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