Volcanism Associated With Extension At Consuming Plate Margins

Active Margins and Marginal Basins of the Western Pacific

Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 88. This volume focuses on the volcanic, fluid, sedimentary, and tectonic processes occurring in the trencharc-backarc systems of the western Pacific—a natural regional focus for studies of these themes. The results of ocean drilling and associated site surveys in the western Pacific have brought fundamental changes to our understanding of volcanism, crustal deformation, fluid circulation, and sedimentation in active margins and marginal basins. Our goal here is to synthesize the results of ocean drilling in a multi-disciplinary manner, including a comparison of the findings from drilling legs having similar themes, and to emphasize the significance of these results to the broader geoscience community.

Volcanism Associated with Extension at Consuming Plate Margins

This volume contains a representative cross-section of current research on extension-related arc volcanism in the broadest sense, and is intended to stimulate further discussion and research into the complex tectonics and petrology of covergent plate margins. Papers include: Subduction systems and magmatism; Geochemistry of Lau Basin volcanic rocks: influence of ridge segmentation and arc proximity; Gamilaroi Terrane: A Devonian rifted intra-oceanic island-arc assemblage, NSW, Australia; Neogene volcanoes of Chios, Greece: the relative importance of subduction and back-arc extension; and others.

Volcanism Associated with Extension at Consuming Plate Margins