{"id":"714039c0-3179-450b-b3c0-12eff81507e9","title":"西藏北喜马拉雅穹隆然巴穹隆变质岩EDS分析矿物相组合图","title_en":"EDS analysis of metamorphic rocks in RANBA dome, northern Himalayan dome, Tibet","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":"EDS数据以图片格式存储，文件名称为Ramba-TIMA-upper layer-001，其中Ramba代表地点，TIMA表示EDS分析技术，upper layer代表然巴上构造层，001代表图1.\n数据读取方式：JPG格式文件，图片读取软件读取。","description":"北喜马拉雅穹隆带内然巴片麻岩穹隆上构造层板岩EDS矿物相识别与中构造层片岩矿物相图；\n数据来源与加工方法：TIMA（Tescan Integrated Mineral Analyzer）全称塔斯肯综合矿物分析系统，该系统由他依赖搭载于扫描电镜和四台上的能谱（EDS）探测器构成，结合以及背散射（BSE）信号，探测器，能够获取样品原位全谱元素成分，以及实现定量化测量元素含量，识别矿物形态以及矿物相边界（文献2-3个）。再通过含有4000多种不同矿物的数据库进行匹配，从而精确识别矿物种类以及形态。TIMA分析实验在北京大学造山带与地壳演化教育部重点实验室TIMA实验室完成，由Tescan Mira Schottky场发射扫描电镜搭载四个EDAX能谱探测器采集谱峰信号，采集模式为高分辨率liberation分析模式，实验环境为高真空，电压25 kV，束斑大小110 nm，工作距离15 mm。TIMA分析结果获取穹隆带不同构造单元内变质样品的矿相组合。\n数据质量：单点定量分析，矿物相/组分信息全量获取，分辨率小于2微米。\n数据应用成果与前景：变质岩矿物相组合与变质程度分析。","doi":"10.11888/Geo.tpdc.271449","projection":"","language":"zh","share_type":"protected","east":90.1,"west":90.0,"south":29.0,"north":29.12,"scale":null,"crs":null,"filesize":10.0,"share_policy":"a","ts_created":"2021-05-31T09:28:23.459375+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-05-31T11:48:06.384454+08:00","time_description":"32Ma以来","datas_group":0,"time_description_en":"","data_format":null,"project":[11],"specials":["b6500306-f60b-4aa1-b0b6-0324d94866df"],"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":"Hourly","spatial_resolution":"-","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[21],"subtopics":{"metadata":"714039c0-3179-450b-b3c0-12eff81507e9","three_pole":null,"third_pole":null},"username":"张波","review_time":null,"protected_duration":24,"protected_describe":null,"is_important":false,"hit_count":539}