英语语法分析

The biotite adamellite is the main metallogenetic rock body in the orefield.

晋宁晚期的岩浆活动强烈，黑云二长花岗岩是矿区主要成矿岩体。

Early Yanshanian intrusions are mainly adamellite, biotite K-feldspar granite with small amount of granodiorite.

燕山早期侵入岩以二长花岗岩、黑云钾长花岗岩为主，其次为花岗闪长岩。

Lincang granite intrusive body is a composite batholith formed by polyphasic intrusion, whose main rock type is the biotite adamellite.

临沧花岗岩侵入体是一个多期次侵入活动所形成的复式岩基，其主要岩石类型为黑云母二长花岗岩。