地下热水的形成和分布与断裂构造及中生代花岗质岩浆活动具有密切关系。
The formation, distribution and fault structure of underground thermal water has a close relationship with the Mesozoic granitic magmatic activity.
东沙高磁异常含一定的高频成份，与新生代玄武岩及中生代岩浆岩有关，而其低频成份可能反映了发育的下地壳高速层。
The high frequency part of Dongsha high-value magnetic anomaly may be related with Cenozoic basalt and Mesozoic magmatic rocks, and the low frequency part developing high-velocity lower crust.
中生代晚期地温梯度高，是古生界碳酸盐岩及煤系地层的主要生气期和运移期。
The Late Mesozoic characterized by higher temperature gradient is main period of gas generation and migration of Paleozoic coal series and carbonates.
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