{"id":"505cb925-4012-4e0c-9d02-1c941dacb67d","title":"北秦岭造山带晚三叠世宝鸡岩体锆石U-Pb年龄、地球化学和Sr-Nd-Pb同位素组成数据","title_en":"Zircon U-Pb ages, geochemistry and Sr-Nd-Pb isotopic compositions of the Late Triassic Baoji pluton in the North Qinling orogenic belt","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、XRF和ICP-MS方法的全岩地球化学组成、TIMS方法获得的Sr-Nd-Pb同位素组成显示：早中生代宝鸡岩体岩石属于高钾钙碱性、准铝质-弱过铝质系列。从花岗闪长岩到钾长石花岗岩，随着SiO2含量的升高，MgO、FeOT、TiO2、CaO、P2O5等含量降低。结合全岩Sr-Nd-Pb同位素特征，花岗闪长岩主要来自于地壳部分熔融，并经历了岩浆混合作用。二长闪长岩具有富集的Sr-Nd同位素组成，高的Mg#和MgO含量，来自于交代的岩石圈地幔。钾长石花岗岩具有演化的Sr-Nd-Pb同位素组成，来自古老地壳的部分熔融。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":"10.1086/694765","projection":"","language":"zh","share_type":"online","east":107.3,"west":106.3,"south":34.1,"north":34.3,"scale":null,"crs":null,"filesize":2.0,"share_policy":"a","ts_created":"2021-05-28T08:44:14.786596+08:00","doi_type":"国际公开共享数据","ts_updated":"2021-06-16T08:38:04.627875+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":"505cb925-4012-4e0c-9d02-1c941dacb67d","three_pole":null,"third_pole":null},"username":"陈福坤","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":351}