中太古代
指距今32亿～28亿年之间的地质时期，在这期间形成的地层称中太古界(Mesoarchean Erathem)。中太古界主要分布在华北地台、阴山地区的桑干杂岩、冀东迁西群和辽北至延吉的龙岗群以及山东的沂水岩群等。它们大都经历了早期沉积和火山沉积以及以后角闪岩相到麻粒岩相的变质作用和强烈构造变形及花岗岩的侵入。
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contributed at 2011-10-11
Classification(s)
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Earth System(in Chinese) Geostratigraphic stratigraphy
Detailed Description
| English |
|---|
| Name | Mesoarchean Era |
| Chinese |
|---|
| Name | 中太古代 |
| Description | 指距今32亿～28亿年之间的地质时期，在这期间形成的地层称中太古界(Mesoarchean Erathem)。中太古界主要分布在华北地台、阴山地区的桑干杂岩、冀东迁西群和辽北至延吉的龙岗群以及山东的沂水岩群等。它们大都经历了早期沉积和火山沉积以及以后角闪岩相到麻粒岩相的变质作用和强烈构造变形及花岗岩的侵入。 |
How to Cite
NNU_Group (2011). 中太古代, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/cdd9e9f7-c088-4c53-b037-14ebc3f52dc2
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