粤北地区钼多金属矿床时空分布规律及成矿机制分析
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摘要
粤北地区是指广东北部韶关市和清远市所辖大部分区域,构造位置处于郴州—怀集断裂东侧,恩平—新丰断裂西侧,佛岗—丰良断裂北侧。粤北地区已发现钼及钼多金属矿床(点)几十处,构造岩浆活动控制着矿床(点)的形成和分布,区域性深大断裂控制岩浆活动、岩浆活动控制矿床(点)的形成,成矿时代以燕山早期为主,矿床成因类型主要有斑岩型、热液脉型、矽卡岩型3种。区内成矿条件较好,找矿潜力巨大,在已知矿区开展深部及外围勘查基础上,要注重在清远大镇和韶关大宝山等地段部署以斑岩和东岗岭组为标志的铜、金、钨、钼、锡矿床的探索工作。
The northern part of Guangdong refers to most areas under the jurisdiction of Shaoguan City and Qingyuan City in northern Guangdong. The structural position is located on the east side of Zhangzhou-Huaiji fault,on the west side of Enping-Xinfeng fault,and on the north side of Fogang-Fengliang fault. Tens of molybdenum and molybdenum polymetallic deposits( points) have been discovered in the northern part of Guangdong. The tectonic magmatism controls the formation and distribution of deposits( points),and the regional deep faults control magmatic activity and the formation of magmatic activity control deposits( points). The metallogenic age is mainly in the early Yanshanian period. The genetic types of the deposits are mainly porphyry,hydrothermal vein and skarn.The ore-forming conditions in the area are good,and the prospecting potential is huge. On the basis of deep and peripheral exploration in the known mining areas,it is necessary to pay attention to the deployment of copper,gold,tungsten,molybdenum and tin deposits marked by porphyry and Donggangling in Qingyuan Town and Shaoguan Dabaoshan.
The northern part of Guangdong refers to most areas under the jurisdiction of Shaoguan City and Qingyuan City in northern Guangdong. The structural position is located on the east side of Zhangzhou-Huaiji fault,on the west side of Enping-Xinfeng fault,and on the north side of Fogang-Fengliang fault. Tens of molybdenum and molybdenum polymetallic deposits( points) have been discovered in the northern part of Guangdong. The tectonic magmatism controls the formation and distribution of deposits( points),and the regional deep faults control magmatic activity and the formation of magmatic activity control deposits( points). The metallogenic age is mainly in the early Yanshanian period. The genetic types of the deposits are mainly porphyry,hydrothermal vein and skarn.The ore-forming conditions in the area are good,and the prospecting potential is huge. On the basis of deep and peripheral exploration in the known mining areas,it is necessary to pay attention to the deployment of copper,gold,tungsten,molybdenum and tin deposits marked by porphyry and Donggangling in Qingyuan Town and Shaoguan Dabaoshan.
引文
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[2]肖惠良,陈国栋,班宜忠,等.论南岭东段钨多金属矿找矿方向[J].华东地质,2006,27(2):85-93.
[3]谭志军.粤北大宝山矿区中生代两期褶皱及其地质意义[D].中国科学院大学,2016.
[4]徐燕君.广东省钼矿成因类型及资源潜力评价[J].资源调查与环境,2013,34(3):178-184.
[5]潘会彬.粤北大宝山钼多金属矿床地质地球化学特征及其成岩成矿时代的分析[D].桂林工学院,2014:7-15.
[6]潘会彬,康志强,曹艳超.粤北大宝山矿区船肚钼矿床辉钼矿Re-Os年龄及其地质意义[J].矿产也地质,2018,32(1):27-31.
[7]王小飞,戚华文,胡瑞忠,等.粤北红岭钨矿中辉钼矿Re-Os同位素年代学及其地质意义[J].矿床地质,2010,29(3):415-426.
[8]祝新友,韦昌山,王艳丽,等.广东大宝山钼钨多金属矿床成矿系统与找矿预测[J].矿产勘查,2011,2(6):661-668.
[9]毛伟,李晓峰.广东大宝山斑岩钼矿热液体系演化研究[J].矿物学报,2015,35(S1):49.
[10]李康宁.广东翁城地区地球化学找矿前景分析[J].华南地质与矿产,2014,30(2):138-145.
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