{"id":"275f71e2-bf54-4ad7-b253-fc353dcfa152","title":"祁连地块前寒武陆壳基底数据集","title_en":"Data set of Precambrian continental crust basement of Qilian block","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":"Table .xlsx","description":"本数据包含2019-2021年测定的北祁连造山带西北部前寒武纪陆壳残块中变质岩以及玄武岩锆石U-Pb定年、全岩主微量和Sr-Nd-Hf同位素地球化学测试结果以及矿物主微量地球化学测试结果。使用的仪器分别为Aglient 7500a ICP-MS、X-ray fluorescence (XRF)、 inductively coupled plasma-mass spectrometry (ICP-MS)、Thermo Finnigan Triton thermal ionization mass spectrometer (TIMS)、Neptune MC-ICPMS以及电子探针（EMPA）。标准物质的测试值和推荐值在误差范围内相一致，表明我们的数据是可靠的。数据厘定了前寒武纪陆壳残块可分为三期，古元古代晚期（1.7 Ga）、中元古代早期（1.6 Ga）以及中元古代中期（1.5-1.2 Ga），分别形成于陆缘弧、陆内裂谷以及初始洋盆环境，并揭示了祁连地块位于哥伦比亚超大陆西南边缘。","doi":"10.11888/Geo.tpdc.271827","projection":"","language":"zh","share_type":"online","east":100.0,"west":97.0,"south":40.0,"north":38.5,"scale":null,"crs":null,"filesize":0.5,"share_policy":"a","ts_created":"2021-11-11T12:40:08.017334+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-12-27T14:42:09.627917+08:00","time_description":"17亿年来","datas_group":3,"time_description_en":"For 1.7 billion years","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"兰中伍","username":"兰中伍","email":"lzw1981@126.com","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":"1000 year < x","spatial_resolution":"0.5º - 1º","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[21],"subtopics":{"metadata":"275f71e2-bf54-4ad7-b253-fc353dcfa152","three_pole":null,"third_pole":null},"username":"张波","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":1485}