{"id":"636f8b1f-94f6-4e93-bc01-dd58673a31d0","title":"湖南东北部万古-黄金洞金矿区硫化物电子探针地球化学数据","title_en":"EPMA geochemica of sulfide in Wangu 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“XXX”其中，Asp, 毒砂; Py, 黄铁矿; Sph, 闪锌矿; Gn, 方铅矿; Cst, 锑铜矿; Sti, 车轮矿","description":"2017年，在详细的岩相学和成矿期次划分的基础上，选取了20个薄片，在镜下先将需要测试的矿物圈定出来，并拍摄显微照片用于在实验时找到对应矿物点的位置。然后对抛光的薄片进行喷碳，并随后进行电子探针（EMPA）测试，本文的电磁探针测试分两次进行，共测试了207个点。两次电子探针（EPMA）分析在用两种不同仪器进行，分别为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JEOL JXA-8100电子探针和中国科学院广州地球化学研究所矿物与成矿中科院重点实验室JEOL JXA-8230电子探针。JEOL JXA-8100的分析条件为：15kV加速电压，直径为5 μm电子束斑。JEOL JXA-8120的分析条件为：20kV加速电压，20 nA电流，束斑直径为1 μm。电子探针分析的主量元素包括As，Fe，Pb，Zn，Cu，Sb和S，微量元素包括Au，Ag，Se，Co，Bi，Ni，Cu，Sb，Zn，Pt，Pd和Te。JEOL JXA-8100和JEOL JXA-8230型电子探针对于金的检测限分别为409 ppm和259 ppm。","doi":"https://doi.org/10.1016/j.oregeorev.2017.01.012","projection":"","language":"zh","share_type":"online","east":114.0,"west":113.0,"south":28.0,"north":29.0,"scale":null,"crs":null,"filesize":0.83,"share_policy":"a","ts_created":"2021-05-24T17:45:42.388718+08:00","doi_type":"沿用数据已有DOI","ts_updated":"2021-06-15T11:37:07.586365+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":"636f8b1f-94f6-4e93-bc01-dd58673a31d0","three_pole":null,"third_pole":null},"username":"王智琳","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":350}