{"id":"62ba49d1-20fc-44b8-b88c-b2b6265fff8a","title":"海南岛罗葵洞钼矿床成岩成矿年代学数据","title_en":"Geochronological data of diagenesis and mineralization of luokuidong molybdenum deposit, Hainan Island","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":"数据均以Excel表格格式储存，文件名称为“LKD”代表罗葵洞钼矿床，Excel内表头中标注有样品名称、样品编号、测试点号和处理结果。","description":"海南岛罗葵洞钼矿床赋矿围岩锆石U-Pb定年和辉钼矿Re-Os 同位素数据，锆石U-Pb定年委托中国科学院广州地球化学研究所矿物学与成矿学重点实验室检测，将选好锆石制靶用于LA-ICP-MS的实验数据采集，采用氦气作为载气, 激光束斑直径为31 μm, 脉冲频率8 Hz, 每个点的分析时间为60 s, 包括20 s的背景测试和40 s的样品信号。测试的元素包括U、Th、Pb等含量及相关同位素比值。锆石 U-Pb 定年和锆石微量元素数据处理使用 ICPMSDataCal 8. 6 软件，谐和图的绘制采用Isoplot v3.0 软件完成。辉钼矿Re-Os 同位素委托中国科学院广州地球化学研究所同位素地球化学国家重点实验室检测，首先将辉钼矿样品粉碎过筛，剔除或避开与辉钼矿连生的石英、黄铜矿和黄铁矿等矿物，用重力分离、电磁分离等方法以及在显微镜下挑选获得辉钼矿，测试仪器为Thermo Scientific X-Series 2 ICP-MS，实验过程主要包括样品的分解、蒸馏分离Os、萃取分离Re和质谱测定等4个步骤，以国标GBW04435和04436作为标样，监控化学流程和分析数据的可靠性，所获辉钼矿Re-Os同位素分析数据采用Isoplot 3.00 程序完成。\n此数据可为海南岛罗葵洞钼矿床日后在地球化学模型分析中提供数据支持。\n以上数据发表在《地球化学》核心期刊，数据真实可靠，数据以Excel表格形式储存。","doi":"","projection":"","language":"zh","share_type":"online","east":109.58,"west":109.53,"south":18.4,"north":18.45,"scale":null,"crs":null,"filesize":0.02,"share_policy":"a","ts_created":"2021-05-26T22:19:04.628291+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-05-27T15:55:15.783886+08:00","time_description":"2017-2019","datas_group":3,"time_description_en":"2017-2019","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"王浩","username":"王浩_iggcas","email":"wanghao@mail.iggcas.ac.cn","is_cancel_expert":false}],"review_editor":{"id":42023,"last_login":"2022-03-24T09:37:33.507049+08:00","username":"yanmh","email":"yanmh@itpcas.ac.cn","is_active":true,"is_staff":true,"user_name":"闫梦还"},"data_sources":null,"temporal_resolution":"Yearly","spatial_resolution":"0.5º - 1º","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[521],"subtopics":{"metadata":"62ba49d1-20fc-44b8-b88c-b2b6265fff8a","three_pole":null,"third_pole":null},"username":"王智琳","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":319}