{"id":"f89bba5e-5204-498f-882f-347e85440a03","title":"湖南东北部黄金洞金矿区白云母地球化学年代学数据","title_en":"GEOCHRONOLOGICAL data of Muscovite from Huangjindong gold deposit, Northeastern Hunan Province","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":"以word格式存储，样品名称为“yy-dd”其中，yy代表采样地点，dd代表样品编号。","description":"2020年，白云母的挑选在河北省诚信服务有限公司完成，采用常规方法将样品粉碎至20目以上，并在双目镜下从每个样品中挑选出200 mg左右的白云母，白云母的纯度大于99%。挑选出来的样品首先送往中国原子能科学研究院49-2反应堆B4孔道进行中子照射，用纯铝铂纸将白云母样品包成6 mm大小的球形，封闭于石英玻璃瓶中，并用0.5 mm厚的Cd皮包裹，照射时长为30小时，快中子通量为2.2576×1018。同时对纯物质CaF2和K2SO4进行同步照射,得出校正因子为：(36Ar/37Ar)Ca=0.000271，(39Ar/37Ar)Ca=0.000652，(40Ar/39Ar)k=0.00703。照射后的样品经冷却，装入样品架中经密封去气后，装入系统。\n样品DY02被送往北京大学造山带与地壳演化教育部重点实验室进行Ar-Ar定年测试，测试采用的仪器为RGA10型质谱仪，详细的测试过程见Hall and Farrell (1995)。质谱仪记录5组Ar同位素信号，信号强度单位为Mv，每个三次测试就测一次空白样，数据处理的详细方法见Nomade 等 (2005)。样品14JM14和14JM15则被送往中国地质大学（武汉）进行Ar-Ar定年测试，试采用的仪器为Argus VI型质谱仪，详细的测试过程见Qiu 等 (2015)，数据处理的详细方法见Koppers (2002)","doi":"https://doi.org/10.1016/j.oregeorev.2020.103586","projection":"","language":"zh","share_type":"online","east":114.0,"west":113.0,"south":28.0,"north":29.0,"scale":null,"crs":null,"filesize":0.2,"share_policy":"a","ts_created":"2021-05-29T16:56:21.254235+08:00","doi_type":"国际公开共享数据","ts_updated":"2021-06-15T11:38:24.464730+08:00","time_description":"151~127百万年","datas_group":3,"time_description_en":"151-127 million years","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":"100 year < x < 1000 year","spatial_resolution":"1km - 10km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[],"subtopics":{"metadata":"f89bba5e-5204-498f-882f-347e85440a03","three_pole":null,"third_pole":null},"username":"王智琳","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":352}