集宁岩群
时代属新太古代。分布于内蒙古集宁、兴和、凉城一带。为深变质岩系，为矽线石石榴钾长片麻岩、紫苏斜长片麻岩、矽线石石榴钾长片麻岩、大理岩和长英片麻岩组成的孔兹岩系。大理岩、片麻岩中含石墨。变质程度为角闪麻粒岩相，构造变形复杂，难以恢复原来层序。原岩为含炭质半粘土质岩石、泥质砂岩夹中基性和钙碱性火山岩和碳酸盐岩组合，属陆棚浅水环境。变粒岩和麻粒岩全岩RbSr等时线年龄为(23.2±0.4)亿年、(23.7±1.3)亿年，时代认识尚不一致。
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Alias
Contributor
contributed at 2011-10-11
Classification(s)
●
Earth System(in Chinese) Geostratigraphic stratigraphy
Detailed Description
| English |
|---|
| Name | Jining Gr. |
| Chinese |
|---|
| Name | 集宁岩群 |
| Description | 时代属新太古代。分布于内蒙古集宁、兴和、凉城一带。为深变质岩系，为矽线石石榴钾长片麻岩、紫苏斜长片麻岩、矽线石石榴钾长片麻岩、大理岩和长英片麻岩组成的孔兹岩系。大理岩、片麻岩中含石墨。变质程度为角闪麻粒岩相，构造变形复杂，难以恢复原来层序。原岩为含炭质半粘土质岩石、泥质砂岩夹中基性和钙碱性火山岩和碳酸盐岩组合，属陆棚浅水环境。变粒岩和麻粒岩全岩RbSr等时线年龄为(23.2±0.4)亿年、(23.7±1.3)亿年，时代认识尚不一致。 |
How to Cite
NNU_Group (2011). 集宁岩群, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/b1d5a7e0-9814-4771-99fb-5b59ba6e3a2d
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