东冲河杂岩
时代属新太古代。指湖北宜昌黄陵庙地区的变质TTG岩石，与上覆崆岭群(水月寺群)呈不整合接触。主要分布于黄陵背斜北部，为混合质斜长角闪岩、斜长角闪岩、黑云斜长片麻岩、变粒岩夹少量石英岩及黑云片岩和条带、条痕及角砾状混合岩及灰色片麻岩。原岩为基性、中酸性凝灰岩夹基性侵入岩。变质程度达角闪岩相，混合岩化强烈。黑云斜长片麻岩中锆石UPb一致线年龄28.9亿年，黑云斜长变粒岩中锆石UPb一致线年龄(28.6±0.2)亿年。
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contributed at 2011-10-11
Classification(s)
●
Earth System(in Chinese) Geostratigraphic stratigraphy
Detailed Description
| English |
|---|
| Name | Dongchonghe Complex |
| Chinese |
|---|
| Name | 东冲河杂岩 |
| Description | 时代属新太古代。指湖北宜昌黄陵庙地区的变质TTG岩石，与上覆崆岭群(水月寺群)呈不整合接触。主要分布于黄陵背斜北部，为混合质斜长角闪岩、斜长角闪岩、黑云斜长片麻岩、变粒岩夹少量石英岩及黑云片岩和条带、条痕及角砾状混合岩及灰色片麻岩。原岩为基性、中酸性凝灰岩夹基性侵入岩。变质程度达角闪岩相，混合岩化强烈。黑云斜长片麻岩中锆石UPb一致线年龄28.9亿年，黑云斜长变粒岩中锆石UPb一致线年龄(28.6±0.2)亿年。 |
How to Cite
NNU_Group (2011). 东冲河杂岩, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/32a80dc4-7383-4d70-b9da-4acbd324188a
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