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R&D Activities Mineral Resources Research Korea Institute of Geoscience and Mineral Resources
3D Mineral Prospectivity Mapping based on 3D Geological Modeling Platform

3D MINERAL PROSPECTIVITY MAPPING BASED ON 3D GEOLOGICAL MODELING PLATFORM

3D mineral prospectivity mapping for skarntype mineralized zone of Nokjeonri-Sangdong area was carried out, based on a 3D geological modeling platform and integration of exploration data from drilling, geological investigation (targeted for ore deposit), and airborne magnetic surveys. From the skarn mineral system concept, five exploration criteria (ore-controlling strata, distance to fault, distance to Myobong Formation, magnetic susceptibility, and distance to igneous rock) were generated from the 3D geological model; then, weights and scores for the exploration criteria were assigned using expert knowledge. The mineral prospectivity map was prepared using a multi-class index overlay method. The prospectivity map was validated using a known orebody; the success rate was 95%. The proposed approach will be a valuable guide for identification of new deposit-scale, deep-seated mineralized zones.  

Contact: Chang Won Lee (cwlee@kigam.re.kr)



Fig. 1.