永坪阶

是中国陆相上三叠统中部的一个阶,位于胡家村阶之上,上三叠统顶部瓦窑堡阶之下。阶名源自岩石地层单位“永坪组”,层型剖面选在陕西铜川金锁关柳林川内与胡家村阶延续的剖面上。永坪阶的底界生物识别标志有待深入研究后定义。阶内含古植物DanaeopsisBernoullia组合,种群已较胡家村阶丰富,主要有:Neocalamites cancinoides,N. carrerei,Danaeopsis fecunda,Bernoullia zeilleri,Todites shensiensis,Cladophlebis gracilis,Cl. raciborskii等;介形虫DarwinulaLutkevichinellaTungchuania组合,主要有:Darwinula liulingchuanensis,D. gerdae,D. scheideri,D. alta,Lutkevichinella costata,L. ornatusa,Tungchuania agrestata,T.aurita,T.houae等;双壳类:Shaanxiconcha triangulata,S. longa,S. dilatata等。

Concept & Semantic
  29

Alias

永坪阶

Contributor

contributed at 2011-10-11

Classification(s)

Earth System(in Chinese)Geostratigraphic stratigraphy

Detailed Description

English
Name Yongpingian Stage
Chinese
Name 永坪阶
Description 是中国陆相上三叠统中部的一个阶,位于胡家村阶之上,上三叠统顶部瓦窑堡阶之下。阶名源自岩石地层单位“永坪组”,层型剖面选在陕西铜川金锁关柳林川内与胡家村阶延续的剖面上。永坪阶的底界生物识别标志有待深入研究后定义。阶内含古植物DanaeopsisBernoullia组合,种群已较胡家村阶丰富,主要有:Neocalamites cancinoides,N. carrerei,Danaeopsis fecunda,Bernoullia zeilleri,Todites shensiensis,Cladophlebis gracilis,Cl. raciborskii等;介形虫DarwinulaLutkevichinellaTungchuania组合,主要有:Darwinula liulingchuanensis,D. gerdae,D. scheideri,D. alta,Lutkevichinella costata,L. ornatusa,Tungchuania agrestata,T.aurita,T.houae等;双壳类:Shaanxiconcha triangulata,S. longa,S. dilatata等。

How to Cite

NNU_Group (2011). 永坪阶, Concept & Semantic, OpenGMS, https://geomodeling.njnu.edu.cn/repository/concept/57a9d78b-13a5-4ef7-a633-2d5a9d0f6e3b
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Contributor

contributed at 2011-10-11

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