On the basis of composition of biotites, the forming condition of granite and its connection with mineralization are carried out.
同时根据黑云母的成分等得出了花岗岩的形成条件及其与成矿关系。
The petrographical facies studies indicate that the magma-crystallined epidotes , bornblendesand biotites were distributed in TTG rocks.
详细的岩相学研究表明，TTG岩类中存在岩浆结晶的绿帘石、角闪石和黑云母等。
The petrographical facies studies indicate that the magma-crystallined epidotes , bornblendesand biotites were distributed in TTG rocks.
详细的岩相学研究表明，TTG岩类中存在岩浆结晶的绿帘石、角闪石和黑云母等。
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