Piedmont potassic alteration zone is the product of potsash feldspathization, part of the zone is ore body.
矿区山带是蚀变的产物,局部地段构成矿体。
Piedmont potassic alteration zone is the product of potsash feldspathization, part of the zone is ore body.
矿区山带是蚀变的产物,局部地段构成矿体。
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