关于南华系底界年龄780Ma数值的讨论COMMENT ON THE AGE 780 Ma AT THE LOWER BOUNDARY OF THE NANHUAN PERIOD
张启锐
摘要(Abstract):
南华系(成冰系)底界年龄近年来受到国内外的广泛关注。2013版《中国地层表》(试用稿)上采用的是780Ma。本文根据国内外关于南华系(成冰系)底界年龄的最新研究成果和进展,同时结合780Ma数值的依据进一步做了一些分析和讨论并指出这个数据的问题和不足。南华系(成冰系)底界年龄应该是~720Ma。
关键词(KeyWords): 年代地层;中国地层表;冰期年龄;南华系纪(成冰系);中国;世界
基金项目(Foundation): 国家重点基础研究发展计划(No.2013CB835005)资助
作者(Author): 张启锐
DOI: 10.19839/j.cnki.dcxzz.2014.03.011
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