Geotectonic Unit Division of oft-com:office:smarttags" />Tianjin City
详细信息
- 责任者：Wen Xiuming (Tianjin Institute of Geological Survey ; Tianjin 300181 ; China)
- 刊名：Geological Survey and Research
- 出版年：2011
- 卷期：34(1)
- 关键词：大地构造 ; tectonics ; 构造单元 ; tectonic units ; 天津 ; Tianjin
- 页码：p.29-33
- 图表：1 illus., 2 tables, 10 refs.
- 分类号：0300
- issnNo：ISSN1672-4135
- isbnNo：CN12-1353/P
摘要
According to the study on the concept of plate tectonics-geodynamics, stratum, sedimentary construction, volcanic construction, metamorphic formatons, metallogenic, geochemistry, geophysicial field and the research on geotectonic, the geologic unit is divided into one gradeⅠand grade Ⅱ, including (Ⅰ) the North China block and (Ⅱ) the Jinji block. These blocks are divided into four grade Ⅲ units, including (Ⅲ1) Miyun-Qianxi nuclei of Archaean palaeocontinent, (Ⅲ2) Yanliao rift, (Ⅲ3) board inside orogenic magma miscellaneous rock, (Ⅲ4) the North China rift. These blocks are divided into 7 Ⅳ grade units and 14 Ⅴ grade units.