再论华南志留系红层的时代RESTUDY ON THE AGES OF SILURIAN RED BEDS IN SOUTH CHINA
王成源
摘要(Abstract)：
牙形刺P.eopennatus带的确立和P.celloni带、P.amorphognathoides带的细分,使华南Llandovery统的划分和对比发生了变化,以往归入P.celloni带的地层,极大多数都要归属到P.eopennatus带,层位变低。依据牙形刺生物地层的分析,溶溪组(下红层)的时代可能为埃隆期晚期,而不是特列奇期的早期;廻星哨组(上红层)的顶底界线都是穿时的,总的时限为P.eopennatus带上部到P.celloni带,也可上延到P.amorphognathoides带,但无文洛克世地层的证据。关底组和车家坝组属第三套红层,主要见于O.snajdri带至O.crispa带的下部,其时代为罗德洛世卢德福特期的晚期。扬子地台无文洛克世和罗德洛世高斯特期的沉积记录。
关键词(KeyWords)： 生物地层;牙形刺;红层;溶溪组;廻星哨组;关底组;埃隆阶;特列奇阶;卢德福特阶;志留纪;华南
基金项目(Foundation): 国家自然科学基金委员会基金项目(No.40839910)资助
作者(Author): 王成源
DOI: 10.19839/j.cnki.dcxzz.2011.04.014
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