{"id":"2665a33c-bc1e-40be-b76c-06d9542d3da8","title":"华南湘东南地区上堡黄铁矿-萤石矿床的Re-Os同位素年代学数据","title_en":"Re Os isotopic geochronology of the Shangbao pyrite fluorite deposit in southeastern Hunan, 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":"所有数据以excel文件存储，文件名称为\"data. xls\"，包括黄铁矿的Re-Os同位素年代学数据。","description":"本数据为华南湘东南地区上堡黄铁矿-萤石矿床中的黄铁矿的Re-Os同位素年代学数据，Os同位素数据是通过热电离质谱仪分析获得。Re含量通过电感耦合等离子体质谱仪分析获得。通过获得的数据，可以限定华南湘东南地区上堡黄铁矿-萤石矿床的形成时代。一个样品中六个自形黄铁矿颗粒的等时年龄为279± 12 Ma，初始187Os/188Os比值为0.39± 0.71，Re和Os浓度分别为0.12-63.5 ppb和2.14-185 ppt。早二叠世的年龄与黄铁矿的寄主地层的年龄一致。另一个样品的5个自形黄铁矿颗粒的等时年龄为75.2± 4.3 Ma，初始187Os/188Os比值0.141± 0.030，Re和Os浓度分别为0.15-0.43 ppb和1.0-39.9 ppt。如果排除最高的187Re/188Os和187Os/188Os的一个黄铁矿颗粒，其他四个黄铁矿颗粒的等时年龄为85± 13Ma。这与上堡花岗岩的锆石U-Pb年龄（80.1± 0.3 Ma）一致。","doi":"10.1016/j.sesci.2017.04.001","projection":"","language":"zh","share_type":"online","east":113.0,"west":112.0,"south":26.0,"north":27.0,"scale":null,"crs":null,"filesize":0.02,"share_policy":"a","ts_created":"2021-05-17T11:39:13.190987+08:00","doi_type":"沿用数据已有DOI","ts_updated":"2021-05-25T08:40:15.400926+08:00","time_description":"279-85 Ma","datas_group":3,"time_description_en":"279-85 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":"100m - 1km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[522],"subtopics":{"metadata":"2665a33c-bc1e-40be-b76c-06d9542d3da8","three_pole":null,"third_pole":null},"username":"王军","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":462}