| 陕西省黑龙口清岩沟钼-镍矿床地质特征与成因 |
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| 引用本文： | 宗静婷,张复新 郑 炜 侯俊富.陕西省黑龙口清岩沟钼-镍矿床地质特征与成因[J].中国地质,2010,37(5):1501-1510. |
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| 作者姓名： | 宗静婷 张复新 郑 炜 侯俊富 |
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| 作者单位： | 大陆动力学国家重点实验室(西北大学);西北大学地质学系;西安文理学院资源环境系;西北有色地勘局物探队; |
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| 摘 要： | 北秦岭奥陶系下段庙湾组黑色岩系中,含炭质泥板泥灰岩系Mo-Ni-Ti-Cu-Pb-Zn-P丰度较高,勘查出钼-镍硫化物矿床,在秦岭造山带中尚属首例。矿床产于商—丹带秦岭北部弧后断陷盆地深水沉积环境之中,严格受炭质千枚岩与细晶大理岩之间的韧-脆性构造接触带控制,矿体呈构造透镜体-扁豆体状。具有较强烈的辉钼矿化-磁黄铁矿化-镍黄铁矿化-黄铁矿化-闪锌矿化,伴随石墨化-硅化-铁白云石化-方解石化蚀变。矿体中镍-钼硫化物具有共生特点。矿石类型按容矿围岩划分为炭质千枚岩型、白云岩型和细晶大理岩型,按成矿元素组合划分具有镍-钼型、钼-石墨型、镍-多金属类型。矿床属于黑色岩系为容矿的沉积预富集-变质叠加活化迁移-韧脆性构造改造和热液富集成矿的层控型后生高-中-低温热液成因。
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| 关 键 词： | 黑色岩系 钼-镍矿床 成矿机制 清岩沟 北秦岭 |
Geological features and genesis of the Qingyangou molybdenum-nickel deposit in Heilongkou, Shaanxi Province |
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| ZONG Jing-ting,ZHANG Fu-xin,ZHENG Wei,HOU Jun-fu.Geological features and genesis of the Qingyangou molybdenum-nickel deposit in Heilongkou, Shaanxi Province[J].Chinese Geology,2010,37(5):1501-1510. |
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| Authors: | ZONG Jing-ting ZHANG Fu-xin ZHENG Wei HOU Jun-fu |
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| Institution: | ZONG Jing-ting1,2,ZHANG Fu-xin1,ZHENG Wei3,HOU Jun-fu1(1.State Key Laboratory of Continental Geodynamics,Department of Geology,Northwest University,Xi'an 710065,Shaanxi,China,2.Department of Resources and Environment,Xi'an College of Arts and Sciences,3.Geophysical Prospecting Party,Northwest Nonferrous Geological Prospecting Bureau,Xi'an 710054,China) |
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| Abstract: | It is for the first time that a molybdenum-nickel sulfide deposit was discovered in the black rock series of the Qinling orogenic belt.The ore deposit has relatively abundant Mo-Ni-Ti-Cu-Pb-Zn-P in carbonaceous marl series,i.e.,black rock series of lower Ordovician Miaowan Formation in North Qinling.The tectonic setting of the ore deposit is a deep water sedimentary environment of the back-arc rift basin along Shang-Dan fault zone in North Qinling,and the ore deposit is strictly controlled by the ductile-br... |
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| Keywords: | black rock series molybdenum-nickel deposit ore-forming mechanism Qingyangou North Qinling |
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