... crust-mantle boundary 壳-幔界面 crust-mantle differentiation 壳-幔分异 crustacean plankton 浮游甲壳动物 ...
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The mantle plume provided benefiting heat source and structure conditions for the deep melting of metallogenic magma, differentiation and shallow emplacement.
湘东南地幔柱为成矿岩浆的熔融、分异演化和浅部就位提供了有利的热源和构造条件。
The magma is originated from the mantle and maybe the "derivative magma" rich in volatile and sodium, formed by the differentiation of basalt magma.
熔浆来源于慢源，可能是玄武岩浆分异的、富挥发分富钠质的“派生岩浆”。
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