山东省侵入岩岩石单位及其代号的厘定

Classification of Instrusives' Units and Its Code Names in Shandong Province

摘要:

根据《1∶2 5万区域地质调查技术要求 (暂行 )》和我省正在进行的 1∶2 5万区调修测取得的阶段性成果 ,对山东省侵入岩岩石单位及其代号进行了厘定 :不同类型的花岗岩类均作为正式填图单位按“年代 +岩性和典型产地方法”确定填图单位代号 ,而独立侵入体、脉岩和包体 ,以及基性—超基性岩则作为非正式填图单位按“年代 +岩性方法”确定填图单位代号。

Abstract:

According to "Technical Demands of Regional Geological Survey with the Scale of 1∶250,000 (provisional)" and achievements gained steply in remapping work with the scale of 1∶250,000, intrusives units and its code names in Shandong province are classified. Different types of granites are regarded as formal mapping units, and to classify mapping unit codes by using the method of "age+rock properties and typical location", while intrusives, vein rocks, inclusions, basic-super-basic rocks are regarded as informal mapping units, and to classify its mapping unit code names by using the method of "age+rock properties".