求翻译：围岩蚀变主要发育方解石化、黄铁矿化、白云石化和铁锰碳酸盐化等，硅化较弱。区内铅锌矿（化）体附近发育白云石化、方解石化、重晶石化及少量硅化、黄铁矿化（褐铁矿化），越靠近矿体，围岩蚀变越强。近矿围岩主要为灰白色细-中晶白云岩及结晶灰岩，灰岩常有褪色现象。方解石化、黄铁矿化与成矿关系最为密切，多分布于矿体旁侧附近，对成矿十分有利。以F2断裂和银厂沟断裂（F3）交汇处为界，向东依次出现硅化→重晶石化→铁方解石化→方解石化的分带，且银厂沟断裂上盘硅化强，发育铜矿化，而下盘重晶石化强，发育铅锌矿化。是什么意思？

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WAI Yan alterations leading to the development of petrochemical, pyrite, dolomite and iron-manganese carbonate, silica, is weak. Lead and zinc mine in the area (near-) development, dolomite, petrochemical, barite, and a small amount of silicone, pyrite (iron ore) Brown, close to the ore body, and al

The adjacent formation alteration main growth calcilization, the yellow iron mineralize, the dolomitization and the ferro-maganese cargonatation and so on, the silicification are weak.In the area the lead-zinc mine () nearby the body grows the dolomitization, the calcilization, the barite and the fe

Wall rock alteration of pyrite in major developmental solutions to the petrochemical, chemical, iron and manganese carbonate from dolomite, Silicon is relatively weak. Lead-zinc mine in the district () in the vicinity of development of dolomitization, solutions for petrochemical, barite and small am

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