Dredging on the island slope of the Izu Trench brought up volcanic rocks of the marianite-boninite series among fragments of the ophiolite complex. One distinguishing feature of these marianite-boninite rocks is the presence ...
An expedition conducted in 1984 by our Institute on the R/V Akademik Aleksandr Nesmeyanov dredged the central part of the Volcano Trench. It lies between the Izu and the Mariana Trenches and is separated from the Philippine ...
Large high-grade phosphorite bodies were found on the Ogasawara Plateau near the junction of the Izu and the Volcano Trenches, on the 4th cruise of the R/V Akademik A. Nesmeyanov between July and September 1984, as well ...