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Subduction with arrested volcanism: Compressional regime in volcanic arc gap formation along east Mindanao, Philippines

[Display omitted] •The arc gap in Mindanao is not associated with oceanic bathymetric high subduction.•Compressional regime is believed to be responsible for the volcanic arc gap.•The Pacific Cordillera is a good exploration ground for porphyry copper deposits. The eastern portion of the Philippine...

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Bibliographic Details
Published in:Journal of Asian Earth Sciences: X 2020-12, Vol.4, p.100030, Article 100030
Main Authors: Yumul, Graciano P., Armada, Leo T., Gabo-Ratio, Jillian Aira S., Dimalanta, Carla B., Austria, Rurik S.P.
Format: Article
Language:English
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Summary:[Display omitted] •The arc gap in Mindanao is not associated with oceanic bathymetric high subduction.•Compressional regime is believed to be responsible for the volcanic arc gap.•The Pacific Cordillera is a good exploration ground for porphyry copper deposits. The eastern portion of the Philippine island arc system, from the Bicol Peninsula through Leyte island to the Pacific Cordillera of east Mindanao, is the overriding plate underneath which the West Philippine Basin (part of the Philippine Sea Plate) and Palau Basin oceanic plates subduct along the Miocene-Pliocene to present-day Philippine Trench. Southward younging of the trench, coupled with the presence of the left-lateral Philippine Fault Zone parallel to it, is recognized. Young volcanic centers (
ISSN:2590-0560
2590-0560
DOI:10.1016/j.jaesx.2020.100030