{"id":"8c5d22c2-1ee7-4561-ae19-33d5e80c934f","title":"中国东部中生代以来玄武岩Li同位素数据集","title_en":"Li isotope data set of Mesozoic basalts in eastern 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":"文件名称：文件以xlsx格式存储，名称为202001-CE-basalt-Li isotope.xlsx，其中202001指的是2020年第一套数据，CE代表中国东部，basalt代表玄武岩，Li isotope代表数据集主要为Li同位素数据。\n数据读取方式：数据可以用microsoft excel等软件直接读取。","description":"本数据集主要包括对中国东部中生代以来玄武岩Li同位素分析结果，地点包括东北地区诺敏河和五大连池地区，华北昌乐、蓬莱和山旺地区，华南明溪、闽清、龙海、旗尾山、藩坑和青龙山等，Li同位素数据在全岩样品经过酸消解和离子交换树脂分离后通过MC-ICPMS测试获得，测试精度好于0.3‰。玄武岩Li同位素的数据将对了解中国东部地幔的演化提供重要的数据支撑。数据结果显示部分中生代玄武岩由于较长的地表暴露经历了风化，还有的受到外界热液流体的影响而蚀变。新生代玄武岩的地幔源区和亏损地幔间并未存在较大的分馏，部分偏低的Li同位素组成可能是源区地幔受到沉积物来源熔体的交代。","doi":"10.11888/Geo.tpdc.271281","projection":"","language":"zh","share_type":"offline","east":126.9,"west":116.95,"south":24.09,"north":48.35,"scale":null,"crs":null,"filesize":0.01,"share_policy":"c","ts_created":"2021-05-11T10:31:57.675701+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-05-14T10:35:32.894683+08:00","time_description":"中生代以来","datas_group":0,"time_description_en":"Since the Mesozoic","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"颜茂都","username":"颜茂都","email":"maoduyan@itpcas.ac.cn","is_cancel_expert":true}],"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":"1º-10º","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[521],"subtopics":{"metadata":"8c5d22c2-1ee7-4561-ae19-33d5e80c934f","three_pole":null,"third_pole":null},"username":"王洋洋","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":1132}