藏南泽当雅鲁藏布缝合带中的三叠纪放射虫

来源 :微体古生物学报 | 被引量 : 0次 | 上传用户:jingcang_wu
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西藏南部泽当西金鲁村附近发现的一套硅质岩含有两个放射虫化石组合:Capnuchosphaera triassica 组合和 Pseudostylosphaera nazarovi 组合.这些放射虫化石可以同中三叠世拉丁期至晚三叠世卡尼期放射虫动物群对比.这套硅质岩为一外来岩体,包括在由高劈理化泥岩组成的混杂岩基质中.这是雅鲁藏布江缝合带三叠纪放射虫的首次报道.
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