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Creator:: Kim, Ji-Hoon, Torres, Marta E., Haley, Brian A., Kastner, Miriam, Pohlman, John W., Riedel, Michael, and Lee, Young-Joo
Abstract:: Analytical challenges in obtaining high quality measurements of rare earth elements (REEs) from small pore fluid volumes have limited the application of REEs as deep fluid geochemical tracers. Using a recently developed analytical technique, we analyzed REEs from pore fluids collected from Sites U1325 and U1329, drilled on the northern...
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Full Text:: d, Michael Riedel e, Young-Joo Lee a a Petroleum and Marine Resources Research Division, Korea

Creator:: Claypool, George E., Milkov, Alexei V., Lee, Young-Joo, Torres, Marta E., Borowski, Walter S., and Tomaru, Hitoshi
Abstract:: Sediments at the southern summit of Hydrate Ridge display two distinct modes of gas hydrate occurrence. The dominant mode is associated with active venting of gas exsolved from the accretionary prism and leads to high concentrations (15%–40% of pore space) of gas hydrate in seafloor or near-surface sediments at and...
Resource Type:: Article
Full Text:: E. Claypool,2 Alexei V. Milkov,3 Young-Joo Lee,4 Marta E. Torres,5 Walter S. Borowski,6 and Hitoshi

Creator:: Rose, Kelly K., Johnson, Joel E., Torres, Marta E., Hong, Wei-Li, Giosan, Liviu, Solomon, Evan A., Kastner, Miriam, Cawthern, Thomas, Long, Philip E., and Schaef, H. Todd
Abstract:: In addition to well established properties that control the presence or absence of the hydrate stability zone, such as pressure, temperature, and salinity, additional parameters appear to influence the concentration of gas hydrate in host sediments. The stratigraphic record at Site 17A in the Andaman Sea, eastern Indian Ocean, illustrates...
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Full Text:: Malinverno, 2013; Lee et al., 2012), and Nankai trough (Uchida et al., 2009) have demon- strated that NGH

Creator:: Hong, Wei-Li, Torres, Marta E., Portnov, A., Waage, M., Haley, B., and Lepland, A.
Abstract:: Methane fluxes into the oceans are largely dependent on the methane phase as it migrates upward through the sediments. Here we document decoupled methane transport by gaseous and aqueous phases in Storfjordrenna (offshore Svalbard) and propose a three-stage evolution model for active seepage in the region where gas hydrates are...
Resource Type:: Article
Full Text:: (Lee, 2008). Such interpreta- tion is consistent with the modeling of pore water profiles at 911GC by

Creator:: Tréhu, Anne Martine, Torres, Marta E., Bohrmann, G., and Colwell, Frederick
Abstract:: Ocean Drilling Program (ODP) Leg 204 to Hydrate Ridge, located on the continental slope offshore Oregon (USA), was the first drilling expedition dedicated to understanding gas hydrate processes in accretionary complexes and provided a testbed for a number of different techniques for estimating the gas hydrate content of sediments. It...
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Full Text:: subsurface, including electrical resistivity (Tréhu, Bohrmann, Rack, Torres, et al., 2003; Lee and Collett

Creator:: Hong, Wei-Li, Torres, Marta E., Kim, Ji-Hoon, Choi, Jiyoung, and Bahk, Jang-Jun
Abstract:: The significance of the various carbon cycling pathways in driving the sharp sulfate methane transition (SMTZ) observed at many locations on continental margins is still a topic of debate. Unraveling these processes is important to our understanding of the carbon cycle in general and to evaluate whether the location of...
Resource Type:: Article
Full Text:: , Kim J-H, Kong G-S, Park Y, Lee H, Park Y & Park KP (2009) Occurrence 703 of near-seafloor gas

Creator:: Johnson, Joel E., Goldfinger, Chris, Tréhu, Anne M., Bangs, Nathan Lawrence Bailey, Torres, Marta E., and Chevallier, Johanna
Abstract:: Hydrate Ridge is an accretionary thrust ridge located on the lower slope of the central Cascadia convergent margin. Structural mapping based on two-dimensional and three-dimensional multichannel seismic reflection profiles and gridded bathymetry coupled with deep-towed sidescan sonar data and Ocean Drilling Program (ODP) biostratigraphy suggests that seafloor fluid venting patterns...
Resource Type:: Article
Full Text:: .—Soc. Econ. Paleontol. Mineral., 212–229. Kulm, L.D., Suess, E., Moore, J.C., Carson, B., Lewis, B.T

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