{"id":"b8c7a679-8e25-4f0b-af30-e1d2062e94f1","title":"中国中东部燕山期辉钼矿Mo同位素组成研究","title_en":"Mo isotopic composition of Yanshanian molybdenites in central-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":"所有Mo同位素数据汇总于一个excel表中，命名为“Mo isotope compositions of Yanshanian molybdenites in central-eastern China”，所有数据为样品的98Mo/95Mo比值相对于Mo同位素标样NIST3134的千分偏差，可直接引用。\n图像为秦岭地区辉钼矿的手标本照片，命名方式为课题号（4）+专题号（5）+样品编号+照片类型（手标本照片为2）+1,2,3,4,5","description":"（1）本数据为秦岭地区和江南造山带多个W-Mo矿床中辉钼矿和含矿岩体的Mo同位素（相对于国际标样NIST3134的98Mo/95Mo的千分偏差）组成；\n（2）所有数据是通过双稀释剂方法进行Mo元素的纯化，并利用MC-ICP-MS进行同位素组成测定；\n（3）所有数据的内部精度优于<0.08‰（2sd），岩石标样的外部重现性优于<0.05‰（2sd）；\n（4）对辉钼矿及其围岩（岩体）的Mo同位素分析结果表明：1、各矿集区之间Mo同位素存在明显差异；2、辉钼矿的Mo同位素组成相对于岩体偏轻；3、秦岭东沟地区斑岩型辉钼矿的Mo同位素分馏显著。不同类型的矿床以及不同的成矿过程对应不同的分馏/混合线，其辉钼矿端元均具有很轻的Mo同位素组成，暗示Mo来源于同位素组成偏轻的沉积物。该结果表明辉钼矿Mo同位素可以作为示踪成矿物质来源的潜在指标。","doi":"10.11888/Geo.tpdc.271321","projection":"","language":"zh","share_type":"protected","east":118.8,"west":115.27,"south":30.1,"north":32.95,"scale":null,"crs":null,"filesize":37.4,"share_policy":"a","ts_created":"2021-05-19T15:01:11.598217+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-05-25T14:50:12.513117+08:00","time_description":"燕山期","datas_group":0,"time_description_en":"Yanshanian","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":"0.25º - 0.5º","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[537],"subtopics":{"metadata":"b8c7a679-8e25-4f0b-af30-e1d2062e94f1","three_pole":null,"third_pole":null},"username":"沈骥","review_time":null,"protected_duration":12,"protected_describe":"数据尚未发表","is_important":false,"hit_count":871}