{"id":"f9c32537-a5a7-4402-be8c-ed12c4675609","title":"云南曲靖地区渐新世地层钻孔300m岩心古地磁数据","title_en":"Magnetic stratigraphy results of a 300-meter-thick Oligocene strata borehole  in the Qujing region, Yunnan","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":"云南曲靖地区渐新世地层钻孔300m岩心古地磁数据.xls","description":"曲靖盆地位于云南省东部，盆地整体呈南北走向，为狭长型的断陷盆地。盆地内部保存了巨厚且连续的新生代沉积物，自下而上可划分为小屯组、蔡家冲组以及茨营组。这些沉积物是用来探讨该地区早新生代受印度-欧亚板块碰撞影响东南向逃逸和变形及印度季风形成演化历史的理想材料。此前该区域地层的宏观年代框架主要由生物化石所限定，而高分辨、具有精确年代控制的年代学工作并未开展，从而限制了对云南始新世以来的构造演化和气候环境变化的认识。本研究通过对厚约300 m的曲靖盆地渐新世地层钻孔进行古地磁测试，结合蔡家冲组顶部火山凝灰岩锆石U-Pb年代（35.49±0.78 Ma）测试分析结果，初步获得了曲靖盆地渐新世以来具有精确年代控制的、高分率磁性年代学结果。","doi":"","projection":"","language":"zh","share_type":"protected","east":104.0,"west":103.9,"south":25.3,"north":25.4,"scale":null,"crs":null,"filesize":0.045,"share_policy":"a","ts_created":"2019-12-11T17:33:29.533041+08:00","doi_type":null,"ts_updated":"2021-04-19T05:02:59.152068+08:00","time_description":"渐新世","datas_group":3,"time_description_en":"Oligocene","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"聂军胜","username":"聂军胜","email":"jnie@lzu.edu.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":"100m - 1km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"f9c32537-a5a7-4402-be8c-ed12c4675609","three_pole":null,"third_pole":"XDA20070201"},"username":"XDA20070201","review_time":"2019-12-12T19:32:12.822016+08:00","protected_duration":24,"protected_describe":null,"is_important":false,"hit_count":1381}