石器坡群

时代属早志留世至中志留世早期。分布于西藏南部珠穆朗玛峰地区聂拉木甲村一带。命名地点在聂拉木甲村石器坡。为浅海相沉积,下组底部为砂岩,中部为黑色笔石页岩,富含笔石Climacograptus normalis,Monograptus priodon等,上部夹有珊瑚灰岩,含头足类角石Geisonoceras robustum,Columenoceras,Michelinoceras(Kopaninoceras)capax及珊瑚Favosites等,厚90米;上组为深灰色砂质灰岩夹深灰色页岩,含笔石Monoclimacis vomerina subgracilis,Pristiograptus dubius和头足类角石Michelinoceras(Kopeninoceras)jucundum等。由于上部为断层所截,仅存厚度46米。与下伏上奥陶统红山头组呈整合接触,与上覆下泥盆统凉泉组呈断层接触。

Concept & Semantic
  20

Contributor

contributed at 2011-10-11

Classification(s)

Earth System(in Chinese)Geostratigraphic stratigraphy

Detailed Description

EN_US
Name Shiqipo Gr
ZH_CN
Name 石器坡群
Description 时代属早志留世至中志留世早期。分布于西藏南部珠穆朗玛峰地区聂拉木甲村一带。命名地点在聂拉木甲村石器坡。为浅海相沉积,下组底部为砂岩,中部为黑色笔石页岩,富含笔石Climacograptus normalis,Monograptus priodon等,上部夹有珊瑚灰岩,含头足类角石Geisonoceras robustum,Columenoceras,Michelinoceras(Kopaninoceras)capax及珊瑚Favosites等,厚90米;上组为深灰色砂质灰岩夹深灰色页岩,含笔石Monoclimacis vomerina subgracilis,Pristiograptus dubius和头足类角石Michelinoceras(Kopeninoceras)jucundum等。由于上部为断层所截,仅存厚度46米。与下伏上奥陶统红山头组呈整合接触,与上覆下泥盆统凉泉组呈断层接触。

How to cite

NNU_Group (2020). 石器坡群, Concept & Semantic, OpenGMS, https://geomodeling.njnu.edu.cn/repository/concept/4040a959-979b-484a-8efc-613b0019db59
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contributed at 2011-10-11

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