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xiao ke hua shi bao cun ke bi cheng fen he xian wei gou zao chu tan
Author(s): 
Pages: 241-254+322-325
Year: Issue:  3
Journal: Acta Micropalaeontologica Sinica

Keyword:  Shall shelly fossilspreservationCambrian;
Abstract: 通过大量薄片,初步总结了寒武纪小壳化石的保存类型及其形成过程。论证了以磷质为特征保存的小壳化石原始成分绝大部分经过了次生磷酸盐化改造,相当一部分为钙质,并提出不同壳壁原始成分的鉴定标准,认为磷质小壳化石多层壳壁结构多为成岩次生构造叠加,原生壳壁显微结构罕见。报道了软舌螺化石具有交叉纤晶显微壳壁构造。
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