门卡墩组
时代属晚侏罗世。分布于西藏南部珠穆朗玛峰地区的吉隆、定日、岗巴一带。命名地点在西藏南部珠穆朗玛峰地区的门卡墩。为海相泥、沙质沉积，为粉砂质页岩、粉砂岩夹薄层石英砂岩，含粘土结核，厚360米以上。富含菊石Haplophylloceras strigile，Pterolytoceras exoticum，Virgatosphinctes denseplicatus，双壳及箭石(Belemnopsis uhligi)等。在岗巴一带，本组页岩以菊石Himalayites sp.和双壳类Astarte spitiensis的层位为界，向上过渡到岩性与之相似的白垩系岗巴群。与下伏聂聂雄拉群呈整合接触。
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contributed at 2011-10-11
Classification(s)
●
Earth System(in Chinese) Geostratigraphic stratigraphy
Detailed Description
| English |
|---|
| Name | Menkadun Fm |
| Chinese |
|---|
| Name | 门卡墩组 |
| Description | 时代属晚侏罗世。分布于西藏南部珠穆朗玛峰地区的吉隆、定日、岗巴一带。命名地点在西藏南部珠穆朗玛峰地区的门卡墩。为海相泥、沙质沉积，为粉砂质页岩、粉砂岩夹薄层石英砂岩，含粘土结核，厚360米以上。富含菊石Haplophylloceras strigile，Pterolytoceras exoticum，Virgatosphinctes denseplicatus，双壳及箭石(Belemnopsis uhligi)等。在岗巴一带，本组页岩以菊石Himalayites sp.和双壳类Astarte spitiensis的层位为界，向上过渡到岩性与之相似的白垩系岗巴群。与下伏聂聂雄拉群呈整合接触。 |
How to Cite
NNU_Group (2011). 门卡墩组, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/cf94d565-28cc-4964-9385-32676ce96196
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