Referent answer points: posit 2. geological conditions controlling on the formation of ore deposit shown in 3. basic geological characters of ore deposit; 2. Explanation the formation conditions and processes of epithermol ore deposit by reading the following model figure VOLCANIC-HYDROTHERMAL SYSTEM GEOTHERMAL SYSTEM 302, HCL, CD Crater lake 2nn300 COx I.S Acidic fluid High sulfidation Au Cu Porphyry Cu(Mo, Au) Far Saline magmati fluid y uquid flowReferent answer points: 1. ore deposit type; 2. geological conditions controlling on the formation of ore deposit shown in figure; 3. basic geological characters of ore deposit; 2. Explanation the formation conditions and processes of epithermol ore deposit by reading the following model figure