煤田地质与勘探

1998, (02) 12-14+73

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延安地区延安组鲎虫及其古环境
Triops AND THE PALEOENVIRONMENT OF THE YANAN FORMATION IN THE YANAN DISTRICT,SHAANXI

熊存卫
Xiong Cunwei (Xi'an Branch;

摘要(Abstract):

描述了延安组鲎虫TriopshanshanensisChen,T.bashuensisDuan和T.sp.1三个种,讨论了延安地区“延安组”鲎虫的古环境。
In the present paper three species,i.e.Triops hanshanensis,T.bashuensis and T.sp.1 from the Yanan Formation in Yanan district are described.In addtion,the paleoenvironment of Triops are also briefly discussed.

关键词(KeyWords): 延安组,鲎虫,分布,古环境,延安地区
Yanan Formation;Triops;distribution;paleoenvironment;Yanan district

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作者(Authors): 熊存卫
Xiong Cunwei (Xi'an Branch;

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