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刘冲磷矿1号矿体为一中等倾斜的层状矿体,走向延长4200米,倾角35～60°,平均厚度3.8～4.2米,现用房柱法和溜矿法开采。开采18年来,采空区面积达83.52万米~2
No. 1 ore body of Liuchong Phosphate Mine is a moderately inclined layered orebody with an extension of 4,200 meters and an inclination of 35-60 degrees with an average thickness of 3.8-4.2 meters. 18 years of mining, mined-out area of 835,200 meters ~ 2