辽宁本溪大台沟铁矿地质特征
Geological characteristics of the Dataigou iron deposit in Benxi, Liaoning Province
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摘要: 提要：本溪大台沟铁矿床位于本溪市桥头镇，是近年来发现的最大的鞍山式铁矿床。该矿床为隐伏的超大型铁矿床，埋深1100～1200 m，已控制矿体延长2000 m，最大延深840 m，最宽处1100 m。矿体总体为近直立的厚板状体，夹石很少，为单一矿体。矿石类型为磁铁石英岩（磁铁矿石）、赤铁石英岩（赤铁矿石）及其过渡类型的磁铁赤铁石英岩（混合矿石）。矿石品位较均匀，矿床有害杂质含量低。初步估算333+332类资源量约34亿t。Abstract: Abstract：Located in Shiqiao of Benxi City, the Dataigou iron deposit is the largest Anshan-type iron deposit discovered in recent years. The ore deposit is a concealed superlarge iron ore deposit 1100-1200 m in depth. The ore body extends for 2000 m, the maximum deep extension is 840 m, and the lateral width can reach 1100 m. The ore body is a nearly vertical singular tabular body, with very few horse intercalations. Ore types include magnetite-quartzite ore (magnetite), hematite quartzite (red iron ore) and transitional type magnet hematite quartzite (mixed ore). Ore grade is uniform, with low content of harmful impurities. The resource kind 333 +332 is preliminarily estimated to be about 3 billion tons.
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