{"id":"f46a5a36-516f-4a16-8450-4ef5a37f1622","title":"东北松辽盆地早白垩世火山岩锆石年龄和地球化学组成数据","title_en":"Zircon age and geochemical composition of Early Cretaceous volcanic rocks in Songliao Basin, Northeast China","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":"XRF和ICP-MS方法分析全岩地球化学组成、TIMS全岩Nd同位素组成分析结果显示：松辽盆地亚碱性中-基性火山岩与I型流纹岩属于同一岩浆系列，其在整个盆地断陷演化过程中皆广泛发育；随着岩石圈减薄和盆地伸展程度加剧，中-基性火山岩表现出碱性OIB型特征，并与A型流纹岩组成典型的双峰式组合。松辽盆地火山岩组合的演化特点与北美盆岭省新生代火山岩组成类似，反映了地幔源区从富集的岩石圈地幔到软流圈地幔的逐渐转变，这一过程与伸展背景下盆地演化以及岩石圈减薄等密切相关。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/10.1080/00206814.2017.1395300","projection":"","language":"zh","share_type":"online","east":126.15,"west":125.85,"south":44.15,"north":44.35,"scale":null,"crs":null,"filesize":3.9,"share_policy":"a","ts_created":"2021-05-28T11:51:30.536294+08:00","doi_type":"沿用数据已有DOI","ts_updated":"2021-06-03T10:12:39.794937+08:00","time_description":"120 Ma以来","datas_group":3,"time_description_en":"Since 120 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":"f46a5a36-516f-4a16-8450-4ef5a37f1622","three_pole":null,"third_pole":null},"username":"陈福坤","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":374}