The Origin of calcareous concretions in the upper part of the Sunjiagou formation of Upper Permian in Yiyang area,western Henan province and its indicating significance to paleoclimate
ZHENG Deshun
QI Shuaishuai
YANG Wentao
WANG Yanpeng
LI Yu
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Publication Date：2020-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：10( 22-31 )