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区域地质调查是有计划有步骤地通过系统的地面地质填图、遥感地质解释、地球物理、地球化学、同位素年龄测定、岩矿测试、古生物(包括微体古生物)鉴定等综合研究手段,阐明区域地质构造、地层、岩石、岩浆活动等基本特征及其与矿产的关系,为矿产普查提供方向和依据,为工农业建设、国防建设、科学研究和教学等提供可靠的基础地质资料。
The regional geological survey is a comprehensive and systematic study of surface geological mapping, remote sensing interpretation, geophysics, geochemistry, isotopic age determination, rock and mine testing, and paleontology (including the microscopic paleontology) Geological structure, strata, rocks, magmatism and other basic characteristics and their relations with mineral resources for the mineral census provide the direction and basis for industrial and agricultural construction, national defense construction, scientific research and teaching provide reliable basic geological data.