Philippine island arc system tectonic features inferred from magnetic data analysis

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题名:	Philippine island arc system tectonic features inferred from magnetic data analysis
作者:	許樹坤;Doo, Wen-Bin;Hsu, Shu-Kun;Armada, Leo
贡献者:	地球科學學院地球科學學系
关键词:	Archipelagoes;atmospheric science;Data analysis;Data processing;Fault zones;Geological faults;geology;geophysics;hydrology;Island arcs;Magnetic data;Magnetic fields;oceanic science;space science;Strike-slip faults;Subduction;Subduction (geology);Volcanic activity;Volcanism
日期:	2015-12-01
上传时间:	2026-04-23 11:40:10 (UTC+8)
出版者:	Chinese Geoscience Union;Taiwan: 中華民國地球科學學會
摘要:	摘要： Running along the middle of the Philippine archipelago from south to north, the Philippine fault zone is one of the world’s major strike-slip faults. Intense volcanism in the archipelago is attributed to the ongoing subduction along the trench systems surrounding it. This study interprets the magnetic data covering the Philippine fault zone and the bounding archipelago subduction systems to understand the structural characteristics of the study area. Magnetic data analysis suggests that the Philippine fault is roughly distributed along the boundary of high/low magnetization and separates the different amplitude features of the first order analytic signal. Visayas province is a specific area bounded by the other parts of the Philippine archipelago. Further differentiating the tectonic units, the proto-Southeast Bohol Trench should be the main tectonic boundary between Visayas and Mindanao. A clear NE - SW boundary separates Luzon from Visayas as shown by the variant depths to the top of the magnetic basement. This boundary could suggest the different tectonic characteristics of the two regions. 出版者： Taiwan: 中華民國地球科學學會出版日期： 2015-12-01 出處： TAO : Terrestrial, atmospheric, and oceanic sciences, 2015-12, Vol.26 (6), p.679-686 資源來源：華藝CEPS中文電子期刊服務版權： 2015. This work is licensed under https://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. 識別號： ISSN: 1017-0839 識別號： ISSN: 2223-8964 識別號： ISSN: 2311-7680 識別號： EISSN: 2311-7680 識別號： DOI: 10.3319/TAO.2015.05.11.04(TC)
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