{"id":"1611a667-9261-4483-a89d-5f4145721f9a","title":"中国典型稀土矿床地球化学数据集（2017-2021）","title_en":"Geochemical data set of typical rare earth deposits in China (2017-2021)","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":"文件命名：数据都以xlsx存储，文件的命名规则为“序号_矿床名称_被分析的样品类型_分析内容.xlsx”\n\n数据读取方式：Excel","description":"该数据集中主要包括中国典型稀土矿床，如川西冕宁牦牛坪、里庄稀土矿床以及甘肃干沙鄂博稀土矿床，这些稀土矿床在成因上主要与碳酸岩-碱性岩杂岩体有关。我们对这些杂岩体中的岩石或者矿石进行了原位微区U-Pb定年、全岩主微量元素、Sr-Nd-Pb放射性同位素以及C-O-B-Ca等稳定同位素以及矿物原位微区主微量元素含量的分析。其中主量元素通过X射线荧光光谱仪（XRF）测得，微量元素通过电感耦合等离子体质谱仪（ICP-MS）测得，同位素主要通过MC-ICP-MS测得。我们主要得出了一下几点重要认识：（1）揭示了碱性岩-碳酸岩型稀土矿床岩浆源区经历了强烈俯冲物质的加入，其形成深度可能要比之前认为的要深；（2）揭示了霓长岩化既可能与碳酸岩有关，也与碱性岩浆作用有关，并且这两种岩浆类型所发生的霓长岩化可能存在差异；（3）时代越新的稀土矿床遭受的后期改造作用可能相对较弱，而形成时代古老的稀土矿床容易遭受后期地质作用的影响而难以辩别。","doi":"10.11888/Geo.tpdc.271557","projection":"","language":"zh","share_type":"protected","east":101.66,"west":101.66,"south":28.87,"north":28.87,"scale":null,"crs":null,"filesize":0.5,"share_policy":"c","ts_created":"2021-06-22T09:16:03.725000+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-06-28T17:06:05.295796+08:00","time_description":"","datas_group":0,"time_description_en":"","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"李明慧","username":"李明慧","email":"liminghui@itpcas.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":"1º-10º","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[571],"subtopics":{"metadata":"1611a667-9261-4483-a89d-5f4145721f9a","three_pole":null,"third_pole":null},"username":"李宁波","review_time":null,"protected_duration":24,"protected_describe":null,"is_important":false,"hit_count":800}