宁夏铁矿资源概况及成矿规律
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摘要
宁夏铁矿资源相对贫乏。矿床类型有受变质型、浅成中-低温热液型、风化型、化学沉积型4类。铁矿主要分布在5个地区,即贺兰山北段和中段地区、卫宁北山地区、香山地区、烟筒山地区。其中,贺兰山北段和中段地区分布王全口式海相沉积型铁矿,卫宁北山地区、香山地区和烟筒山地区分布照壁山式热液型铁矿和火山(顾家岘式)受变质型铁矿及茶梁子式风化壳型铁钴矿。铁矿的成矿期主要发生在中元古代长城纪、燕山期和第四纪3个时期。
The iron ore resources of Ningxia are relatively poor. There are four types of deposit types,i. e.,metamorphic type,shallow-low-temperature hydrothermal type,weathering type and chemical deposition type. The iron ores are mainly distributed in five regions,i. e.,the northern and middle sections of Helan Mountain,the North Mountain of Weining area,Xiangshan area and Yantong Mountain area. The marine sedimentary Wangquankou-type iron ores are located in the northern and middle sections of Helan Mountain; the hydrothermal Zhaobishan-type iron ores,volcanic-metamorphic Gujiaxian-type iron ores and Chaliangzi weathering crust type ores are located in the North Mountain of the Weining area,Xiangshan area and the Yantong Mountain area. The mineralization of iron ores mainly occurred during three periods, i. e., the Mesoproterozoic Changchengian period, the Yanshanian period and Quaternary period.
The iron ore resources of Ningxia are relatively poor. There are four types of deposit types,i. e.,metamorphic type,shallow-low-temperature hydrothermal type,weathering type and chemical deposition type. The iron ores are mainly distributed in five regions,i. e.,the northern and middle sections of Helan Mountain,the North Mountain of Weining area,Xiangshan area and Yantong Mountain area. The marine sedimentary Wangquankou-type iron ores are located in the northern and middle sections of Helan Mountain; the hydrothermal Zhaobishan-type iron ores,volcanic-metamorphic Gujiaxian-type iron ores and Chaliangzi weathering crust type ores are located in the North Mountain of the Weining area,Xiangshan area and the Yantong Mountain area. The mineralization of iron ores mainly occurred during three periods, i. e., the Mesoproterozoic Changchengian period, the Yanshanian period and Quaternary period.
引文
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仲佳鑫,李欢,孙雨,等,2012.宁夏中南部铁矿地质特征及成矿规律探讨[J].地质与勘探,48(5):922-931.
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侯宗林,2005.中国铁矿资源现状与潜力[J].地质找矿论丛,20(4):242-247.
骆华宝,王永基,胡达骧,等,2009.我国铁矿资源状况[J].地质论评,55(6):885-891.
刘志坚,侯明才,王泽晶,等,2013.宁夏中宁茶梁子铁钴矿床成矿地质特征[J].地质学刊,37(4):642-646.
徐志刚,陈毓川,王登红,等,2008.中国成矿区带划分方案[M].北京:地质出版社.
徐广平,张晓东,艾宁,等,2011.宁夏卫宁北山地区铁矿区域成矿规律探讨[J].西北地质,44(1):39-47.
肖克炎,娄德波,孙莉,等,2013.全国重要矿产资源潜力评价模型汇总[J].地质学刊,37(3):341-348.
杨合群,姜寒冰,谭文娟,等,2017.西北地区重要矿产概论[M].北京:中国地质出版社.
仲佳鑫,李欢,孙雨,等,2012.宁夏中南部铁矿地质特征及成矿规律探讨[J].地质与勘探,48(5):922-931.
朱裕生,肖克炎,马玉波,等,2013.中国成矿区带划分的历史与现状[J].地质学刊,37(3):349-357.