The Early Triassic Helongshan Formation in Anhui,China:Record of the Triassic Biotic Recovery in the

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【摘要】

：

The Lower Triassic is well outcropped in central and southern Anhui Province,East China,and it consists of the Yinkong,Helongshan and Nanlinghu Formations in an ascending order.The Helongshan Formatio

【出处】

：

地学前缘

【发表日期】

：

2009年S1期

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The Early Triassic Helongshan Formation in Anhui,China:Record of the Triassic Biotic Recovery in the

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