Fluid compositions very in different contactmetamorphic processes depending on the fluid source, the features of sedimentary rocks and intrusive rocks.
接触变质过程流体成分有较大差异，主要取决于流体来源、原岩性质和侵入体特征。
2
Types of metamorphicrocks: regional metamorphism, contact metamorphism and dynamic metamorphism.
变质岩 类型：区域变质、接触变质和动力变质。
3
The faults related to the gold deposits in the area often follow the contact between granites and metamorphicrocks of the Achaean Jiaodong Group.