中国北方侏罗系烧变岩露头区白色砂岩特征与成因分析*
, 王美玲 Characteristic and formation cause of white sandstones in the Jurassic outcrop area of burnt rocks in northern China
DONG Yan1 , WANG Meiling2 , CHEN Bin3 , SHI Zhiqiang1
, WANG Meiling 