It is indicated that glauconites have been found in Cenozoic group strata in Zhan-che sag of Jiyang depression by a variety of thin section identification , and which are all in the primary state.

• 大量的薄片鉴定资料表明，济阳坳陷沾车凹陷新生界地层中含有海绿石矿物，并且均为原生海绿石。