{"id":"8b20e9fb-86a5-402a-bcd6-2314f5eb2af0","title":"华南个旧和大厂锡多金属矿区锡石U-Pb年龄和微量元素数据集","title_en":"In situ LA-ICP-MS cassiterite U–Pb ages and trace element data sets of the Gejiu and Dachang districts, South China","serial":"","user_limit":"为尊重知识产权、保障数据作者的权益、扩展数据中心的服务、评估数据的应用潜力，请数据使用者在使用数据所产生的研究成果中（包括公开发表的论文、论著、数据产品和未公开发表的研究报告、数据产品等成果），明确注明数据来源和数据作者。对于转载（二次或多次发布）的数据，作者还须注明原始数据来源。","instructions":"数据表-个旧和大厂","description":"锡石U-Pb年龄和微量元素均在中国科学院广州地球化学研究所中国科学院矿物学与成矿学重点实验室由LA-ICP-MS完成测定。NIST SRM610玻璃和118Sn分别作为微量元素的外部标样和内部标样，AY-4锡石作为U–Pb年龄分析的同位素外部标样。个旧锡多金属矿区主要由马拉格、松树脚、高松、老厂和卡房5个矿床组成。区内矿石类型丰富，以产在隐伏花岗岩附近的矽卡岩型锡石–硫化物矿体和远端碳酸盐岩地层中的层状/似层状锡石–铁氧化物±硫化物矿体为主。对高松Sn‒Cu矿床两种类型矿体锡石的LA-ICP-MS U–Pb定年结果显示，二者均形成于晚白垩世（85.1 ~ 83.5 Ma），与区内高峰山黑云母花岗岩的锆石U–Pb年龄一致。大厂锡多金属矿区主要由铜坑–长坡、高峰、大福楼、灰乐和亢马5个锡矿床组成。锡多金属矿体呈层状/似层状、块状以及脉状/网脉状产于泥盆系中。本次工作获得5个矿床不同类型锡矿体中锡石的LA-ICP-MS U–Pb年龄为95.4 ~ 90.3 Ma，与区内笼箱盖黑云母花岗岩的锆石U–Pb年龄一致。个旧和大厂矿区的锡石均具有较高的Fe、W、Mn和低的Nb、Ta含量，与花岗岩岩浆热液体系中锡石的微量元素特征相似。锡石晚白垩世的U–Pb年龄和微量元素特征，揭示个旧和大厂地区的锡多金属矿床为岩浆热液成因。","doi":"doi.org/10.1016/j.oregeorev.2017.11.033","projection":"","language":"zh","share_type":"protected","east":103.15,"west":102.56,"south":23.15,"north":23.25,"scale":null,"crs":null,"filesize":0.087,"share_policy":"a","ts_created":"2021-05-19T18:35:52.337291+08:00","doi_type":"沿用数据已有DOI","ts_updated":"2021-05-20T11:19:47.065506+08:00","time_description":"85.8百万年","datas_group":0,"time_description_en":"85.8 Ma","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"颜茂都","username":"颜茂都","email":"maoduyan@itpcas.ac.cn","is_cancel_expert":true}],"review_editor":{"id":42421,"last_login":"2022-04-08T15:16:51.670544+08:00","username":"任慧霞","email":"510727846@qq.com","is_active":true,"is_staff":true,"user_name":"任慧霞"},"data_sources":null,"temporal_resolution":"1000 year < x","spatial_resolution":"100km - 1000km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[521],"subtopics":{"metadata":"8b20e9fb-86a5-402a-bcd6-2314f5eb2af0","three_pole":null,"third_pole":null},"username":"陈俏恒","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":571}