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Five Deeps Expedition to map the Mariana Trench (Pacific Ocean)

The Mariana Trench was surveyed with a Kongsberg EM 124 gondola-mounted to the hull of the 225-foot DSSV Pressure Drop. The survey was conducted over the course of two weeks – April 19th – May 6th,...

Strontium, Oxygen, Hydrogen and Boron isotopes of Mariana mud volcano pore waters (NERC grant NE/P020909/1)

Porewaters from IODP Expedition 366 were extracted from serpentinite mud volcano sediments onboard the RV JOIDES Resolution (see Fryer et al, 2017; 2018 for details). Selected samples were then...

Major, volatile, and trace element composition, and sulfur isotope ratios of melt inclusions from volcanic arcs

This Excel spreadsheet provides the composition of volcanic glasses (melt inclusions, melt embayment and matrix glasses) analysed as part of NSF-NERC grant "Sulfur Cycling in Subduction Zones". In...

Testing a New Model for Initiation of Subduction in the Western Pacific: 3He/4He Analysis of Middle Eocene Boninites

PROJECT DETAILS ONLY - NO DATA. This proposal seeks to test the hypothesis that a mantle hotspot was responsible for generating boninite magmas in the Izu - Bonin - Mariana (IBM) arc during the...

IODP Expedition 352 (Bonin Forearc) Pb isotope data (NERC grant NE/M012034/1)

We provide here Pb isotope data for the basement rocks cored during IODP Expedition 352 (Bonin Forearc). The data are reported as 206Pb/204Pb, 207Pb/204Pb and 208Pb/204Pb ratios together with their...