{"id":"b30116de-a6cd-4a3f-a68b-f1ebbdf44591","title":"西秦岭三叠纪糜署岭岩体和暗色包体锆石年龄和地球化学组成数据","title_en":"Zircon age and geochemical composition of Triassic Mishuling pluton and dark enclave in West Qinling","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":"姓名 + 年份，Excel","description":"LA-ICP-MS锆石定年分析、XRF和 ICP-MS方法的元素地球化学分析和TIMS方法获得的Sr-Nd同位素组成显示：糜署岭岩体主要岩性为石英二长岩，而暗色包体主要是闪长岩质特征。锆石U-Pb年代学分析结果显示，暗色包体和寄主岩体基本同时形成。相比暗色包体，石英二长岩具有低Mg值，低Cr和Ni含量，高Th/U比值。石英二长岩源自扬子陆块西北缘新元古代基性岩石的部分熔融作用，暗色包体形成于来自富集地幔部分熔融的岩浆与来自地壳部分熔融的酸性岩浆的混合。来自暗色包体和寄主岩石的锆石具有不同地球化学组成特征，可以区分成三类，记录着复杂的岩浆混合过程。数据源自科研项目“国家重点研发计划“燕山期重大地质事件的深部过程与资源效应”（2016YFC0600404)。","doi":"doi.org/10.1016/j.jseaes.2020.104656","projection":"","language":"zh","share_type":"online","east":106.55,"west":105.25,"south":33.25,"north":34.25,"scale":null,"crs":null,"filesize":24.4,"share_policy":"a","ts_created":"2021-05-28T10:00:20.898651+08:00","doi_type":"沿用数据已有DOI","ts_updated":"2021-06-02T10:56:40.965913+08:00","time_description":"240 Ma之后","datas_group":3,"time_description_en":"Since 240 Ma","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":"1000 year < x","spatial_resolution":"1km - 10km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[537],"subtopics":{"metadata":"b30116de-a6cd-4a3f-a68b-f1ebbdf44591","three_pole":null,"third_pole":null},"username":"陈福坤","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":451}