{"id":"5b113b5d-17ca-41e1-8f76-24208acac2af","title":"湖南东北部连云山岩体锆石年代学地球化学数据","title_en":"Zircon geochronology and geochemistry of Lianyunshan pluton in 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":"2017年，锆石分选在河北省诚信服务有限公司完成，将采集的样品(5 kg ±)清洗干净、破碎采用常规方法将样品粉碎至80目以上，并采用电磁选方法进行分选。在双目镜下挑选出晶形和透明度较好，无裂纹，粒径足够大的锆石颗粒作为测试对象。锆石制靶和阴极发光（CL）图像在重庆宇劲科技有限公司完成，将其置于DEVCON环氧树脂中，待固结后抛磨至锆石粒径的大约二分之一，使锆石内部充分暴露。锆石年龄测试在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完成，使用仪器为LA-ICP-MS，仪器型号为Resolution M50 Agilent 7500a，厂家为Resonetics Agilent，光斑为29μm。采用He气作为剥蚀物质的载体。采用标准锆石 Plesovice（337.13±0.37 Ma，Sláma 等, 2008）和 Temora（416.6±1.0 Ma，Black 等, 2003）作为外标，元素含量采用NIST SRM610作为外标，29Si作为内标元素（锆石中SiO2含量为32.8%），详细分析方法见Yuan 等 (2004)；普通铅校正采用Andersen (2002)推荐的方法；锆石的同位素比值及微量稀土元素含量计算采用ICPMSDATECAL程序(Liu 等, 2010a; Liu 等, 2010b)，年龄计算及谐和图的绘制采用Isoplot 2006(Ludwig, 2004)。","doi":"10.13745/j.esf.2017.02.011","projection":"","language":"zh","share_type":"online","east":114.0,"west":113.0,"south":28.0,"north":29.0,"scale":null,"crs":null,"filesize":0.61,"share_policy":"a","ts_created":"2021-05-24T19:27:24.919707+08:00","doi_type":"沿用数据已有DOI","ts_updated":"2021-06-15T11:40:08.614481+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":"王浩","username":"王浩_iggcas","email":"wanghao@mail.iggcas.ac.cn","is_cancel_expert":false}],"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":"5b113b5d-17ca-41e1-8f76-24208acac2af","three_pole":null,"third_pole":null},"username":"王智琳","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":353}