鲁西地区济宁汶上张楼铁矿床位于著名的汶上东平成矿带,广泛发育前寒武纪条带状铁建造( BIF),赋矿层位为泰山岩群山草峪组,岩性以黑云变粒岩为主,次为黑云角闪片岩,黑云斜长片麻岩、片岩,条带、条纹状磁铁石英岩,BIF与其形成均为新太古代晚期。矿床由4条矿带22个矿体组成,呈层状、似层状、透镜状产出,矿石的矿石矿物主要为磁铁矿,其次为少量的赤铁矿、褐铁矿、黄铁矿等,常见矿石的结构主要为粒状变晶结构,次为鳞片粒状变晶结构。类型归属海相火山沉积变质铁矿床类型中的变质铁硅建造铁矿,即鞍山式铁矿。%Zhanglou iron deposit in Wenshang county of Jining city in Luxi area locates in famous Wenshang -Dongping metallogenic belt. Precambrian banded iron formation ( BIF) developed well in this area. Ore bearing strata are Shancaoyu formation of Taishan group. The lithology is mainly composed of biotite granulite, and accom-panied with biotite hornblende schist, biotite plagioclase gneiss, schist, strip and stripe like magnetite quartzite. BIF and its forming age are Neoarchean era. The deposit is composed of 4 ore belt and 22 ore bodies, and out-cropped as layered, stratoid, lenticular type. Ores are mainly magnetite, and a small amount of hematite, limonite and pyrite. The structures of common ores are mainly granoblastic texture, and accompanied with granoblastic tex-ture. It is marine-volcano sedimentary metamorphic iron silicon type deposit, that is Anshan type iron deposit.
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