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中国前寒武纪痕迹化石的分布及其古生物学、地层学意义

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  • 焦作矿业学院化石燃料研究所 焦作 454159
齐永安,男,1963年7月出生,讲师(在读博士生),主要从事前寒武纪地层的研究。

收稿日期: 1995-03-20

  修回日期: 1995-05-16

  网络出版日期: 1996-02-01

基金资助

中科院南京地质古生物研究所开放研究实验室资助项目。

THE DISTRIBUTION OF PRECAMBRIAN TRACE FOSSILS OF CHINA AND THEIR PALAEONTOLOGICAL AND STRATIGRAPHICAL SIGNWICANCE

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  • Institute of Fossil Feul,Jiaozuo Mining College,Jiaozuo 454159

Received date: 1995-03-20

  Revised date: 1995-05-16

  Online published: 1996-02-01

摘要

近年来,在我国前寒武纪不同时代的地层中发现了大量的痕迹化石,其中前寒武纪冰期前的痕迹化石主要分布于我国北方的长城纪和青白口纪地层中。这些痕迹化石产出时代古老,表明在我国北方14~17亿年前的海水中就可能生活有古老的后生动物,这些痕迹化石的发现对于探索后生动物的起源及演化具有重要意义。前寒武纪冰期后所发现的痕迹化石主要分布于我国西南地区震旦纪晚期的地层中,这些痕迹化石在震旦纪地层中的广泛分布,对震旦系及震旦系与寒武系界线的划分对比将提供重要依据。

本文引用格式

齐永安,吴贤涛 . 中国前寒武纪痕迹化石的分布及其古生物学、地层学意义[J]. 地球科学进展, 1996 , 11(1) : 45 -49 . DOI: 10.11867/j.issn.1001-8166.1996.01.0045

Abstract

Trace fossils are abundant in Precambrian strata of China.Some found before the glacial age of Precambrian are distributed mainly in Changcheng System and Qingbaikou System of North China.The old geological age of these trace fossils shows that some metazoans might live in the old sea of North China before 1400~1700Ma.Their discovery is of great significance for further understanding of the origin and early evolution of metazoan.The trace fossils found after the glacial age of Precambrian are widely distributed in Late Sinian of Southwestern China.They may furnish important evidences for division and correlation of Sinian and the boundary of Sinian-Cambrian.

参考文献


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