部分熔融过程发生于鲜水河断裂早期活动的剪切熔融过程，岩浆作用之前可能发生过强烈挤压而产生了高压变质作用。
The partial melting was probably produced with early shear inching process of Xianshuihe fault belt, also occurred strong compression before the magmatism to produce the high-pressure metamorphism.
早期的韧性变形发生在角闪岩相变质作用条件下，晚期的脆韧性变形发生在绿片岩相变质作用条件下。
The earlier ductile deformation took place under the condition of amphibolite facies and the later transitional ductile-brittle deformation under the condition of greenschist facies.
它的特征是进变质与退变质路径近于平行，早期退变质作用为降温、降压过程。
It is characterized by the prograde trajectory is parallel nearly to the segment of retrogression, and the early retrograde metamorphism with coupling of decompression with a temperature decrease.
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