区域地质调查(简称区调,又称地质填图)是整个地质工作的基础和先行,是国家公益性地质工作的核心。其主要任务是查明地层、岩石、构造及形成演化等基本地质情况,填绘地质图,为解决资源、环境、灾害问题和发展地球科学提供资料信息和科学依据。从1913年成立中国第一个地质调查机构——中国地质调查所开始,我国区调已历经一 Regional geological survey (territorial transfer, also known as geological mapping) is the foundation and precedent of the entire geological work, is the core of the national public geological work. Its main task is to identify the basic geological conditions such as stratigraphy, rock, structure and formation and evolution, fill in the geological map and provide information and scientific basis for solving the problems of resources, environment and disaster and developing earth science. From the founding of China’s first geological survey institution in 1913 - China Geological Survey, China’s regional transfer has gone through a