{"id":"aad28d89-0483-4023-ac4d-2dcdef29e790","title":"中国华南广州市晚侏罗世二云母花岗岩地球化学数据集","title_en":"Geochemical data set of late Jurassic two-mica granites in Guangzhou, South 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":"所有数据以Word文件存储。文件名称为\"ZirUPb.dox\"代表锆石U-Pb年代学数据。文件名称为\"ZirHfO.dox\"代表锆石Hf-O同位素数据。文件名称为“WRMajTra.dox”代表全岩主微量地球化学数据。文件名称为“WRIso.dox”代表全岩同位素地球化学数据。","description":"该数据集包含了：广州市帽峰山二云母花岗岩样品的岩石岩性信息、样品年代学数据、样品全岩主微量元素和Sr-Nd同位素数据和样品单矿物锆石原位Hf-O同位素数据。岩石样品的年代学数据是通过对岩石单矿物分选的岩浆锆石进行二次离子体质谱（SIMS）测定的，测试过程中Qinghu标准锆石作为监控样品，监控整个分析测试过程的可靠性。主量元素通过将岩石粉末熔融成可以上机测试的玻璃片，用X射线荧光光谱仪（XRF）进行测定，对于标准物质GBW-07111、GBW-123、GSR-1、GSR-2和GSR-3的测量结果分析精度优于2%。微量元素通过在Perkin-Elmer ELAN 6000电感耦合等离子体质谱仪（ICP-MS）上进行。分析测试过程中对USGS标准物质（BHVO-2、GSR-1、GSR-2、GSR-3、SARM-4、AVG-2和W-2a）进行测定，作为外部测试标样校正未知样品的元素含量，分析测试精度优于3%。岩石Sr-Nd同位素通过对粉末进行酸性溶解，对所获得的溶液，在Neptune型多接收电感耦合等离子体质谱仪（MC-ICP-MS）上进行，分别采用NBS987（87Sr/86Sr = 0.71025）和Shin Etsu JNdi-1(143Nd/144Nd=0.512115)标准物质进行监控。锆石原位Hf同位素的测试是通过激光和MC-ICP-MS联用来进行。测试过程中Mud Tank和GJ-1标准锆石作为监控样品，监控整个分析测试过程的可靠性。锆石原位O同位素数据是通过对岩浆锆石进行二次离子质谱（SIMS）分析所获得的。测试过程中，Penglai标样的多次测定结果的外部精度优于0.30%（2σ）。所获得的数据为华南晚中生代地壳再造机制和过程提供了证据。研究成果发表于SCI期刊Mineralogy and Petrology上。","doi":"10.1007/s00710-020-00733-9","projection":"","language":"zh","share_type":"online","east":113.62,"west":113.35,"south":23.25,"north":23.45,"scale":null,"crs":null,"filesize":0.24,"share_policy":"a","ts_created":"2021-05-16T17:48:08.709947+08:00","doi_type":"沿用数据已有DOI","ts_updated":"2021-05-25T08:40:15.324842+08:00","time_description":"160百万年来","datas_group":3,"time_description_en":"160 Ma","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":"1km - 10km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[522],"subtopics":{"metadata":"aad28d89-0483-4023-ac4d-2dcdef29e790","three_pole":null,"third_pole":null},"username":"王军","review_time":null,"protected_duration":0,"protected_describe":null,"is_important":false,"hit_count":442}