周志澄,罗辉,祝幼华,蔡华伟,许波,陈金华,赵媛瑗

• 1:中国科学院南京地质古生物研究所

摘要(Abstract)：

四川广安谢家槽剖面下三叠统夜郎组和嘉陵江组中含有扁平砾石灰岩、蠕虫状灰岩、叠层石、层纹状灰岩、薄层泥晶灰岩、条带状灰岩和水平分布的遗迹化石等类型丰富的时错相沉积,由下至上时错相沉积呈现出逐渐减弱的总趋势。早三叠世晚期,时错相沉积从正常海洋环境沉积中退出,只是出现在高压力环境的沉积物中。时错相沉积的这种时空分布和发育程度的变化,反映二叠纪末生物大灭绝事件后,早三叠世海洋生态系复苏的历程。

关键词(KeyWords)： 时错相沉积;早三叠世;生物复苏;夜郎组;嘉陵江组;四川广安谢家槽

Abstract:

Keywords:

基金项目(Foundation): 中国科学院资源环境领域知识创新工程重要方向性项目(KZCX2-YW-154);; 国家自然科学基金(No.40772004,41072008);; 中国科学院“外国专家特聘研究员”计划项目(No.2009Z2-7)~~

作者(Author): 周志澄,罗辉,祝幼华,蔡华伟,许波,陈金华,赵媛瑗

DOI: 10.19839/j.cnki.dcxzz.2013.01.012

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