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中国地质学会

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甘肃肃北县狼娃山铁矿床磁异常特征及其与成矿的关系

张琳, 张健, 沈志明

张琳, 张健, 沈志明. 甘肃肃北县狼娃山铁矿床磁异常特征及其与成矿的关系[J]. 西北地质, 2021, 54(3): 270-276. DOI: 10.19751/j.cnki.61-1149/p.2021.03.025
引用本文: 张琳, 张健, 沈志明. 甘肃肃北县狼娃山铁矿床磁异常特征及其与成矿的关系[J]. 西北地质, 2021, 54(3): 270-276. DOI: 10.19751/j.cnki.61-1149/p.2021.03.025
ZHANG Lin, ZHANG Jian, SHEN Zhiming. Magnetic Anomaly Characteristics of Gansu Langwashan Iron Deposit and the Relationship with Mineralization[J]. Northwestern Geology, 2021, 54(3): 270-276. DOI: 10.19751/j.cnki.61-1149/p.2021.03.025
Citation: ZHANG Lin, ZHANG Jian, SHEN Zhiming. Magnetic Anomaly Characteristics of Gansu Langwashan Iron Deposit and the Relationship with Mineralization[J]. Northwestern Geology, 2021, 54(3): 270-276. DOI: 10.19751/j.cnki.61-1149/p.2021.03.025

甘肃肃北县狼娃山铁矿床磁异常特征及其与成矿的关系

基金项目: 

矿权人委托地质勘查项目“甘肃省肃北蒙古族自治县狼娃山铁矿补充详查”(2012-2013)。

详细信息
    作者简介:

    张琳(1982-),男,地矿工程师,主要从事区域地质调查与矿产勘查。E-mail:625686466@qq.com。

  • 中图分类号: P631.2

Magnetic Anomaly Characteristics of Gansu Langwashan Iron Deposit and the Relationship with Mineralization

  • 摘要: 狼娃山铁矿床地处甘肃北山地区白山—狼娃山航磁异常带,通过对区域地质成矿背景和磁异常特征进行综合研究后,认为该区属于岛弧火山岩成矿区,是寻找火山岩型铁矿有利地带。矿床内强度较高的磁异常集中区均为地表及浅部矿体引起;强度较低的宽缓磁异常是深部隐伏磁性体的反映;环形强磁区中心的弱磁区可能是受周边强磁性影响,仍具有较好的找矿远景。该矿床是甘肃北山地区较重要的铁矿类型,磁异常的解剖研究成果对寻找同类型矿床具有较好的指导作用。
    Abstract: Langwashan iron deposit is located in the aeromagnetic anomaly zone of Beishan area in Gansu province. Based on the comprehensive study of the regional geological metallogenic background and the characteristics of the magnetic anomaly, it is considered that the iron deposit belongs to the metallogenic island arc volcanic rock, favourable for volcanic iron deposits. The intensive magnetic anomaly areas in the deposit are from the surface or shallow of ore bodies;the wide-and-slow magnetic anomaly is the reflection of the deeply buried magnetic body; the weak magnetic areas in the center of the ring-shaped strong magnetic area, probably influenced by the peripheral strong magnetism, still have good prospecting potential.Langwashan iron deposit is important in Beishan area, hence the results of the magnetic anomalies can guide the exploration of similar deposits.
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    ZHANG Lin. geological characteristics and prospecting criteria of langwa mountain deposit, Subei County, GansuProvince[J]. World Nonferrous Metals, 2019, 3, 5.

    李玉鹏, 王党琪, 高志杰, 等.甘肃省北山狼娃山矿床地质特征及矿床成因[J]. 甘肃科技, 2019, 35(12):6.

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    LIU Wei, YANG Changqing, FENG Yaodong, et al. Geochemical Characteristics and Tectonic Environmental Significance of Siliceous Rocks from Middle Permian Xiala Formation in Chunzhe Area, Xietongmen County, Tibet[J]. Northwestern Geology, 2018, 51(1):65-76.

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    杨永春, 刘家军, 王学银, 等.甘肃滴水山金矿不同构造岩相带岩石地球化学特征及构造控矿机理探讨[J]. 西北地质, 2018, 51(1):88-103.

    YANG Yongchun, LIU Jiajun, WANG Xueyin, et al. Geochemical Characteristics and Structural Ore-control Mechanism about Different Structural-Lithofacies Zones of the Dishuishan Gold Deposit in Gansu Province[J]. Northwestern Geology, 2018, 51(1):88-103.

    陈俊魁.新疆西昆仑塔什库尔干地区老并铁矿赋矿地层形成时代及其地质意义[J]. 西北地质, 2018, 51(3):105-120.

    CHEN Junkui.Formation Age of Ore-bearing Strata from the Laobing Iron Deposit in Taxkorgan area of Western Kunlun, Xinjiang and Its GeologicalSignificance[J]. Northwestern Geology, 2018, 51(3):105-120.

    YU Xuezhong, HE Yiyuan, WANG Meng, et al. Gravity and magnetic field characteristics and regional ore prospecting of the Yili ancient continent, West Tianshan, Xinjiang Uygur Autonomous Region, China[J]. China Geology, 2020, 3, 104-112. doi: 10.31035/cg2020023.

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出版历程
  • 收稿日期:  2020-04-04
  • 修回日期:  2020-12-02
  • 网络出版日期:  2022-07-28
  • 发布日期:  2021-09-04

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