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陕西镇安二台子金矿床断裂主应力分析及控矿规律

THE PRINCIPAL STRESS ANALYSIS OF FRACTURE IN ERTAIZI GOLD DEPOSIT IN ZHEN'AN COUNTY,SHAANXI PROVINCE AND THE ORE CONTROL PATTERN
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摘要 厘定了二台子金矿床的主要控矿节理和断裂,运用节理玫瑰花图分析得出矿区在成矿期的主应力方向为NNW-SSE向,矿体主要以柱状矿体的形式产出。通过对控矿断裂的级别、期次划分并与控矿节理相配套,分析了矿床的构造控矿机制与成矿规律,指出找矿方向。 The main ore-control joint and fracture in Ertaizi gold deposit are determined and the principal stress direction is NNW-SSE according to rose diagram analysis. The ore-body occurs mainly as chimney. By classification of the ore-control fractures and their stages and matching the corresponding ore-control joints we analyze the mechanism of structure control on gold ore and the ore-forming regularity in Ertaizi gold deposit and the ore-searching directions are pointed out.
出处 《地质找矿论丛》 CAS CSCD 2008年第4期305-309,共5页 Contributions to Geology and Mineral Resources Research
基金 东华理工学院硕博基金资助
关键词 二台子金矿 断裂 节理 构造控矿 成矿预测 陕西省 Ertaizi gold deposit fracture joint structure control on gold ore ore-forecast Shaanxi province
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