Composite sand-ice wedge pseudomorphs suggestive of a frosty Ediacaran–Cambrian transition

Yuchong Wang,Hongwei Kuang,Yongqing Liu,Xiaoshuai Chen,Fenghua Zhao,Daniel Paul Le Heron,Thomas Matthew Vandyk,Nan Peng,Zhenrui Yang,Huaqing Bai

Precambrian Research（2022）

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摘要

•The first report of cryogenic wedges during the Ediacaran-Cambrian transition.•Frozen ground gradually advanced on the shore after the Luoquan glaciation.•The cold climate may affect the interpretation of Cambrian Explosion.

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关键词

North China Craton,Ediacaran–Cambrian transition,Permafrost,Cryogenic wedges,Composite sand-ice wedge pseudomorphs

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