The REE evidence shows that the magma formation was mainly controlled by partial melting process.
稀土元素反映岩浆形成主要受部分熔融作用控制。
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.
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 high temperature and abrupt pressure drop ensuing in the process may result in partial melting, material migration and unloading of hydrothermal fluids to trigger litho metallogenesis.
此时温度较高和压力骤降，导致部分熔融和流体卸载，这一转化过程产生的温度、压力和流体浓度等梯度变化，促使流体（物质）运移与富集导致成岩成矿。
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