{"id":"6c48c63e-a733-4d64-aa13-0501cb5dcd84","title":"华北板块西南缘二叠系碎屑锆石数据","title_en":"Permian detrital zircon data on the southwestern margin of the North China plate","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":"年代数据以Excel表格格式储存。样品名称为“ZR-d”其中，ZR代表锆石名称，d代表样品序数","description":"本数据为华北板块西南缘中晚二叠统上石盒子组碎屑锆石数据，该数据为实验数据。野外采集超过5kg砂岩标本，采用重液和磁性分离技术从样品中分离出锆石并制靶，在西北大学大陆动力学国家重点实验室进行单颗粒锆石 LA-ICP-MS 微区定年测试分析。样品采集、前处理以及实验过程均按照严格的标准进行，所获数据质量可靠。结果显示锆石年龄范围在254-2700Ma之间，主峰值年龄分别为~320Ma、~1765Ma和~2495Ma。结合区域地质背景以及沉积学数据认为~320Ma的峰值年龄可能源自华北板块北缘；这也暗示在上石盒子组时期古地形为北高南低。华北板块西南缘中-晚二叠世碎屑锆石数据反映的物源信息能够为重建华北板块当时的古地理提供数据支撑。","doi":"https://doi.org/10.1016/j.gr.2020.07.008","projection":"","language":"zh","share_type":"online","east":115.0,"west":100.0,"south":30.0,"north":40.0,"scale":null,"crs":null,"filesize":0.09,"share_policy":"a","ts_created":"2021-09-17T19:29:27.028198+08:00","doi_type":"沿用数据已有DOI","ts_updated":"2021-11-02T16:19:10.652661+08:00","time_description":"二叠纪","datas_group":3,"time_description_en":"permian","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"刘飞","username":"玉石岭","email":"lfhy112@126.com","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":"100km - 1000km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[],"subtopics":{"metadata":"6c48c63e-a733-4d64-aa13-0501cb5dcd84","three_pole":null,"third_pole":null},"username":"张明震","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":215}