{"id":"3b2670fb-201b-46a0-8055-f1dbf08c11fc","title":"大功率正交源张量CSAMT在西藏甲玛斑岩铜矿集区运用观测数据（2021）","title_en":"Application of tensor CSAMT with high-power orthogonal signal sources in Jiama porphyry copper deposit in Tibet (2021)","serial":"无","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":"文件以pdf格式存储","description":"西藏甲玛斑岩型铜矿区由于正在进行的开发工作和自身复杂陡峭起伏的地形条件，导致野外施工极其困难且干扰较大。本文尝试使用大功率张量CSAMT技术，探索该方法在高原复杂地形条件和强干扰地区应用情况，验证该技术在矿区深部地球物理勘查方面是否可行。试验表结果明，大功率张量CSAMT系统提供的大电流，既大幅提高了信噪比，又保证了大收发距下获取有效信号，同时张量数据较好地刻画了深部地质体的各向异性。此外，试验结果还显示当发射电流达到60A，收发距为25km左右仍可保证接收到足够强的电场信号，能够保证测深曲线无近场效应、可以使有效探测深度达到3km。二维反演结果与钻探成果大致吻合，表明大功率张量CSAMT技术能够获得接近真实的地下电性结构特征。本项试验研究综合表明该方法在高原复杂地形条件和强干扰矿区的深部地球物理勘查方面具有良好的应用潜力。这项研究不仅对青藏高原找矿有着重要的指导意义，也对其他地区深部矿产勘查有着积极的借鉴意义。","doi":"https://doi.org/10.31035/cg2021065","projection":"","language":"zh","share_type":"online","east":92.4,"west":92.0,"south":29.0,"north":29.8,"scale":null,"crs":null,"filesize":5.112,"share_policy":"a","ts_created":"2022-02-18T12:02:23.535369+08:00","doi_type":"拥有自主知识产权","ts_updated":"2022-03-14T10:32:11.025438+08:00","time_description":"2021","datas_group":3,"time_description_en":"2021","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":"--","spatial_resolution":"--","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[798,799],"subtopics":{"metadata":"3b2670fb-201b-46a0-8055-f1dbf08c11fc","three_pole":null,"third_pole":null},"username":"贺日政","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":52}