Preface
David M Christie and Charles R Fisher vii
Geological, Biological, Chemical, and Physical Interactions in Back-Arc Spreading Systems- An Introduction 1
David M Christie and Charles R Fisher
Synthesis Papers
Modes of Crustal Accretion in Back-Arc Basins: Inferences From the Lau Basin 5
Fernando Martinez and Brian Taylor
Present-Day Tectonics in Four Active Island Arcs Based on GPS Observations and Forearc Stress Fields
Teruyuki Kato and Atsuki Kubo 31
Mantle Structure and Flow Patterns Beneath Active Back-Arc Basins Inferred From Passive Seismic and Electromagnetic Methods 43
Douglas A Wiens, Nobukazu Seama, and James A Conder
Origin of Back-Arc Basin Magmas: Trace Element and Isotope Perspectives 63
Julian A Pearce and Robert J Stern
Chemical Systematics and Hydrous Melting of the Mantle in Back-Arc Basins 87
C.H Langmuir, A Bézos, S Escrig, and S.W Parman
Unique Geochemistry of Submarine Hydrothermal Fluids From Arc-Back-Arc Settings of the Western Pacific 147
Toshitaka Gamo, Junichiro Ishibashi, Urumu Tsunogai, Kei Okamura, and Hitoshi Chiba
Magmatic Fluids as a Source of Metals in Seafloor Hydrothermal Systems 163
Kaihui Yang and Steven D Scott
Microbial Ecology of Mid-Ocean Ridges and Back-Arc Basins 185
Ken Takai, Satoshi Nakagawa, Anna-Louise Reysenbach, and Joost Hoek
Composition and Biogeography of Hydrothermal Vent Communities in Western Pacific Back-Arc Basins 215
Daniel Desbruyères, Jun Hashimoto, and Marie-Claire Fabri
Physiological Ecology of Back-Arc Basin Fauna: Explorations of the Known and Unknown 235
James J Childress, Dijanna Figueroa, and Michael Henry
Case Studies
The East Scotia Sea: Mantle to Microbe 243
Roy Livermore
Tectonic and Magmatic Evolution of the Bismarck Sea, Papua New Guinea: Review and New Synthesis 263
Sang-Mook Lee and Etienne Ruellan
Origin of Diverse Geochemical Signatures in Igneous Rocks From the West Philippine Basin: Implications for Tectonic Models 287
Rosemary Hickey-Vargas, Ivan P Savov, Michael Bizimis, Teruaki Ishii, and Kantaro Fujioka