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引言弓长岭铁矿二矿区分为西北区、中央区和东南区。它分布在樱桃园—弓长岭混合岩体内的鞍山群地层中,呈北西-南东向的条带状出露。倾向北东,倾角60—90°。含矿岩系下部为片岩(云母石英片岩、黑云母石英钠长片岩)夹第一(Fe_1)到第三(Fe_3)层铁矿,称为下含铁带。其上部为石英斜长角闪岩夹第四(Fe_4)到第六(Fe_6)层铁矿,称为上含铁带。
Introduction Bow Changling iron ore mine is divided into Northwest District, Central and Southeast. It is distributed in the Cherry Orchard - Gongchangling mixed rock body Anshan Group strata, showing the Northwest - South East Strip banded out. North East, dip 60-90 °. The lower part of the ore-bearing rocks is composed of schistite (mica quartz schist and biotite quartz sodium schist), and the first (Fe 1) to the third (Fe 3) layer iron ore is called the lower iron belt. The upper part of the quartz amphibolite intercepts the fourth (Fe_4) to the sixth (Fe_6) layer of iron ore, called the upper iron belt.