{"id":"cd8d8576-bd8a-4f0d-8a2c-166583102fc8","title":"中国滇西松山锡矿锡石年代学数据","title_en":"Ages of Cassiterite in Songshan tin deposit, Western Yunnan, 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":"数据以Excel格式存储。文件名称为\"CstAge\"，代表锡石年龄数据。","description":"本数据是锡石的U-Pb年龄。样品采集自滇西松山锡矿中矽卡岩型和石英脉型矿石中锡石矿物，通过激光剥蚀电感耦合等离子体质谱分析微区原位U-Pb同位素测年技术对锡石开展了U-Pb年代学研究，两件锡石样品的207Pb/206Pb - 238U/206Pb谐和年龄分别为76.6 ± 1.5 Ma和79.6 ± 3.6 Ma，说明松山锡矿锡的成矿作用主要发生在晚白垩世，与临沧花岗岩主体侵位时间（三叠纪）明显不同。结合地质特征和前人年代学成果，本文认为该地区存在明显的晚白垩世锡的成矿事件，本区下一步的找矿工作应围绕岩体与围岩接触带，以及岩体和围岩中的断裂展开。","doi":"10.18654/1000-0569/2021.07.00","projection":"","language":"zh","share_type":"online","east":100.0,"west":99.0,"south":24.0,"north":25.0,"scale":null,"crs":null,"filesize":0.017,"share_policy":"a","ts_created":"2021-11-21T15:05:05.450111+08:00","doi_type":"沿用数据已有DOI","ts_updated":"2021-11-22T12:16:30.891119+08:00","time_description":"79-76百万年前","datas_group":3,"time_description_en":"79-76 million years ago","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":"0.5º - 1º","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[21],"subtopics":{"metadata":"cd8d8576-bd8a-4f0d-8a2c-166583102fc8","three_pole":null,"third_pole":null},"username":"刘小驰","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":250}