Geological map, 1:25,000 - Limits of geological mapable units - 50k

Vector-type georeferenced database, containing the limits of the geological units in linear form, collected as part of the national geological cartography project (CARG) at the 1:25,000 acquisition scale and revised at regional level. The geographical area covered includes the 1:50,000 scale sheets in which the regional territory falls.矢量型地理参考数据库（Vector-type georeferenced database），以线性形式收录地质单元边界数据，系以1:25000采集比例尺开展的国家地质填图项目（CARG）的组成部分采集所得，并经区域级修订。该数据库覆盖的地理范围涵盖所属区域对应的1:50000比例尺图幅。