鲁西前寒武纪岩石地层清理意见

SUGGESTIONS ON THE STRATIGRAPHIC DIVISION AND CORRELATION OF THE PRECAMBRIAN ROCKS IN THE WESTERN SHANDONG REGION

摘要:

本文简述了鲁西前寒武纪地层清理意见，其一，鲁西前寒武系厘定为中太古代沂水岩群、晚太古代泰山岩群、早元古代济宁岩群及晚元古代土门群四个群级岩石地层单位；其二，晚太古代亲山岩群雁翎关组之下建立盂家屯岩组；其三，将晚元古代土门群浮莱山组厘定为砂岩夹页岩组合，石旺庄组厘定为含砂质灰岩、灰岩、白云岩组合。

Abstract:

Opinions on the stratigraphic division of the Precambrian rocks in the westernShandong region are given in this paper. First,the Precambrian strata in the WesternShandong Region are divided into the middle Archaean Yishui group,the upper Ar-chaean Taishan group,the Lower Proterozoic Jining group and the upper ProterozoicTumen group, the four stratigraphic units of the first level.Second,a new formation,the Mengjiatun formation is established which is placed below the Yanlingguan forma-tion of the upper Arch...