青海三江北段雀莫错铅锌矿床地质特征及成因

金属矿山 ›› 2015, Vol. 44 ›› Issue (07): 101-106.

青海三江北段雀莫错铅锌矿床地质特征及成因

刘长征¹，贾宗勇¹，张勤山¹，闫明¹，钱烨²，湛守智³

1.青海省第五地质矿产勘查院，青海西宁 810028；2.吉林大学地球科学学院，吉林长春 130061；3.青海省地质矿产勘查开发局，青海西宁 810001

出版日期:2015-07-15 发布日期:2015-08-06

Geological Characteristics and Genesis of Quemocuo Pb-Zn Deposit in the Northern Segment of Sanjiang Belt，Qinghai Province

Liu Changzheng¹，Jia Zongyong¹，Zhang Qinshan¹，Yan Ming¹，Qian Ye²，Zhan Shouzhi³

1.Qinghai No.5 Geological Mineral Exploration Institute，Xining 810028，China；2.College of Earth Science，Jilin University，Changchun 130061,China; 3.Geology & Mineral Exploration Development Authority of Qinghai Province，Xining 810001，China

Online:2015-07-15 Published:2015-08-06

摘要/Abstract

摘要： 在分析研究区成矿地质背景的基础上，对位于青海三江北段成矿带沱沱河地区的雀莫错铅锌矿床地质、地球化学特征进行了研究，结果表明：①矿床赋矿围岩主要为二叠纪拉卜查日组碳酸盐岩，是铅锌矿的有利源层，相对富集Pb、Ag、Zn、As、Sb、Cd等成矿元素；②矿体明显受控于断裂构造，次级断裂构造与矿化关系密切，伴有硅化、重晶石化和碳酸盐化；③成矿流体具有低温、中低盐度和低密度等特征，矿区地质特征及矿石同位素特征反映出成矿流体有岩浆热液活动的参与；④目前所发现的8个铅锌矿体中，Pb品位为1.65%～7.17%，Zn品位为1.13%～5.7%，Pb+Zn（334）金属量为18.88万t，矿床达中型规模，具有较好的找矿前景。结合区域地质背景、矿床地质和地球化学特征，对区内成矿物质来源、控矿因素、矿床成因进行了探讨，认为矿床属于浅成低温热液型铅锌矿床，并从地层、构造、蚀变、矿化、地球物理和地球化学特征等方面总结了找矿标志。上述研究成果对于区内铅锌矿的找矿工作具有一定的参考价值。

关键词: 地质特征, 地球化学特征, 矿床成因, 找矿标志

Abstract: Based on analyzing the geological background of mineralization in the research area，the geological and geochemical characteristics of Quemocuo Pb-Zn deposit，which is located in northern section of Sanjiang metallogenic belt，Tuotuo river area，Qinghai province are discussed，the results show that：①the deposit of ore rock is mainly Permian Labuchari group carbonate，which is the advantageous source layer of lead-zinc mine and relatively enriched with the ore-forming elements such as Pb，Ag，Zn，As，Sb，Cd; ②the ore-body is obviously controlled by fracture structure with secondary fault structure closely related to mineralization，which is also accompanied with silicification，baratization and carbonatization; ③the ore-forming fluid has the characteristics of low temperature，low salinity，low density and so on，the geological characteristics of mining area and isotopic characteristics reflect the participation of magmatic hydrothermal activity in ore-forming fluid; ④until now，among eight Pb-Zn ore-bodies found，lead grade is 1.65%~7.17%，zinc grade is 1.13%~5.7% and Pb+Zn(334) metal capacity is 188 800 t，the metal ore deposit is in medium size，and the prospecting prospective of the deposit is good.Combining with the regional geological background，geological and geochemical characteristics of ore deposit，the source of ore-forming materials，ore-controlling factors，and metallogenic factors are discussed.The results show that the ore deposit belongs to the hypabyssal low temperature and hydrothermal type Pb-Zn deposits，besides that，the prospecting marks are summarized based on the characteristics of strata，tectonic，alteration，mineralization，geophysical and geochemical feature.The above research results can provide some reference for the prospecting work in the research area.

Key words: Geological characteristics, Geochemical characteristics, Deposit genesis, Prospecting marks

刘长征, 贾宗勇, 张勤山, 闫明, 钱烨, 湛守智. 青海三江北段雀莫错铅锌矿床地质特征及成因[J]. 金属矿山, 2015, 44(07): 101-106.

LIU Chang-Zheng, JIA Zong-Yong, ZHANG Qin-Shan, YAN Ming, QIAN Ye, ZHAN Shou-Zhi. Geological Characteristics and Genesis of Quemocuo Pb-Zn Deposit in the Northern Segment of Sanjiang Belt，Qinghai Province[J]. Metal Mine, 2015, 44(07): 101-106.

[1]	康　旭, 谢富伟, 丁　帅, 龚建生, 樊炳良, 周敖日格勒, 孙　杨, 何逸飞, 贾　敏, 徐煜昕, 邱泽航, 曹　润, 刘诗语, 张家璇. 西藏巨龙超大型斑岩型铜矿床地质特征及找矿前景[J]. 金属矿山, 2025, 54(1): 168-.
[2]	王世权, 任利平, 胡红雷, 陈俊魁, 吕宪河, 李　东. 内蒙古霍布林查干铅锌银多金属矿床地质特征及找矿前景[J]. 金属矿山, 2024, 53(6): 145-.
[3]	岳国利, 李敏, 廖诗进, 马艳飞, 孙国锋, 王亚珂. 西藏班公湖-怒江成矿带东段热昌金多金属矿地质特征及找矿预测[J]. 金属矿山, 2023, 52(03): 157-168.
[4]	张俊, 张泽夏, 裴中朝, 邢贤阳, 吴迪, 张苗苗. 几内亚某金矿矿床地质特征及成矿预测[J]. 金属矿山, 2022, 51(10): 146-154.
[5]	刘文泉, 赖静, 吴德海, 江卫兵. 诸广岩体中部塘湾地区铀成矿地质条件及找矿潜力[J]. 金属矿山, 2022, 51(04): 138-148.
[6]	梁凯, 闵祥吉, 周宇, 燕军利, 刘其臣, 路兆和, 贾秀, 万涛, 于博滨, 齐祥春, 杨超. 俄罗斯外贝加尔边疆区图拉达金矿地质特征研究[J]. 金属矿山, 2022, 51(02): 155-161.
[7]	刘坤, 李瑞强, 李开文, 陈泳霖. 河南罗山竹园西铜钼矿区地质特征及找矿远景[J]. 金属矿山, 2022, 51(01): 195-204.
[8]	洪万华 , 苏特 , 涂飞飞, 蒋天锐, 张德实, 余万泽. 基于土地质量地球化学方法的硒元素分布规律和影响因素研究——以铜仁地区为例[J]. 金属矿山, 2021, 50(12): 160-168.
[9]	薛盈杉 , 袁慧香 , 贺根文 . 赣南青塘地区土壤沉积物地球化学特征及找矿方向[J]. 金属矿山, 2021, 50(08): 131-141.
[10]	陈俊魁, 蔡春楠, 何玉良, 韩江伟, 王世权, 桂新星. 河南栾川冷水—赤土店钼钨铅锌多金属矿床特征及成矿潜力[J]. 金属矿山, 2021, 50(06): 177-187.
[11]	姬果, 李宁杨骁裴中朝张宇李中明钟江文姬清海. 河南省铝土矿床地质特征及成矿规律[J]. 金属矿山, 2021, 50(05): 140-148.
[12]	丁心科, 王振臣张彦生陈杰, 朱敏, 童家琨, . 内蒙古乌拉特中旗新乌苏铜铁矿矿床地质特征及综合找矿模型[J]. 金属矿山, 2021, 50(05): 130-139.
[13]	薛云松, 李祥涛, 周伟. 老挝巴乌县怀亮金矿地质地球化学特征及找矿预测[J]. 金属矿山, 2021, 50(03): 153-163.
[14]	白洪溪, 周瑾, 王建业, 李华, 刘博. 东昆仑祁漫塔格地区牛苦头东矿床地质特征及找矿前景[J]. 金属矿山, 2020, 49(11): 162-171.
[15]	田九玲. 基于证据权模型的赤峰—呼伦贝尔成矿带找矿预测[J]. 金属矿山, 2020, 49(09): 167-172.

扫码分享