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北澜沧江紫曲流域卡贡群的层序及时代

游再平

中国区域地质2001,Vol.20Issue(1):33-38,45,7.
中国区域地质2001,Vol.20Issue(1):33-38,45,7.

北澜沧江紫曲流域卡贡群的层序及时代

Sequence and age of the Kargang Group in the Ziqu drainage area of the northern Lancang River

游再平1

作者信息

  • 1. 四川省地质调查院地调所
  • 折叠

摘要

Abstract

A representative section of the Kargang Group in the Ziqu drainage area of the northern Lancang River is described on the basis of new data from 1∶200000 regional geological surveys. By using the section correlation and tracing by means of geological mapping, the sequence of the Kargang Group is in ascending order: the Aibaona Formation, Ri’azelong Formation, Majunlong Formation and Zhonglong Formation. The biota of the Kargang Group is similar to that in Qamdo adjacent to the area and the South China region; all these biotas belong to the Eurasian-North American biogeographic realm and their bulk originated in the Early Carboniferous.

关键词

卡贡群/层序/时代/生物区系/北澜沧江

分类

天文与地球科学

引用本文复制引用

游再平..北澜沧江紫曲流域卡贡群的层序及时代[J].中国区域地质,2001,20(1):33-38,45,7.

中国区域地质

OA北大核心CSCD

1671-2552

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