Search Results - "TIVEY, Margaret K"

The Trans-Atlantic Geotraverse hydrothermal field: A hydrothermal system on an active detachment fault by Humphris, Susan E., Tivey, Margaret K., Tivey, Maurice A.

“…Over the last ten years, geophysical studies have revealed that the Trans-Atlantic Geotraverse (TAG) hydrothermal field (26°08′N on the Mid-Atlantic Ridge) is…”
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Rare earth element abundances in hydrothermal fluids from the Manus Basin, Papua New Guinea: Indicators of sub-seafloor hydrothermal processes in back-arc basins by Craddock, Paul R., Bach, Wolfgang, Seewald, Jeffrey S., Rouxel, Olivier J., Reeves, Eoghan, Tivey, Margaret K.

“…Rare earth element (REE) concentrations are reported for a large suite of seafloor vent fluids from four hydrothermal systems in the Manus back-arc basin…”
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Chemistry of hot springs along the Eastern Lau Spreading Center by Mottl, Michael J., Seewald, Jeffrey S., Wheat, C. Geoffrey, Tivey, Margaret K., Michael, Peter J., Proskurowski, Giora, McCollom, Thomas M., Reeves, Eoghan, Sharkey, Jessica, You, C.-F., Chan, L.-H., Pichler, Thomas

“…The Eastern Lau Spreading Center (ELSC) is the southernmost part of the back-arc spreading axis in the Lau Basin, west of the Tonga trench and the active Tofua…”
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The Guaymas Basin Hiking Guide to Hydrothermal Mounds, Chimneys, and Microbial Mats: Complex Seafloor Expressions of Subsurface Hydrothermal Circulation by Teske, Andreas, de Beer, Dirk, McKay, Luke J, Tivey, Margaret K, Biddle, Jennifer F, Hoer, Daniel, Lloyd, Karen G, Lever, Mark A, Røy, Hans, Albert, Daniel B, Mendlovitz, Howard P, MacGregor, Barbara J

“…The hydrothermal mats, mounds, and chimneys of the southern Guaymas Basin are the surface expression of complex subsurface hydrothermal circulation patterns…”
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Temporal and spatial archaeal colonization of hydrothermal vent deposits by Pagé, Antoine, Tivey, Margaret K, Stakes, Debra S, Reysenbach, Anna-Louise

“…Thermocouple arrays were deployed on two deep-sea hydrothermal vents at Guaymas Basin (27°0.5'N, 111°24.5'W) in order to measure in situ temperatures at which…”
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Permeability-porosity relationships in seafloor vent deposits: Dependence on pore evolution processes by Zhu, Wenlu, Tivey, Margaret K., Gittings, Hilary, Craddock, Paul R.

“…Systematic laboratory measurements of permeability and porosity were conducted on three large vent structures from the Mothra Hydrothermal vent field on the…”
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The in situ pH of hydrothermal fluids at mid-ocean ridges by Ding, Kang, Seyfried, William E., Zhang, Zhong, Tivey, Margaret K., Von Damm, Karen L., Bradley, Albert M.

“…Here we report the first in situ pH of hydrothermal vent fluids at mid-ocean ridges. Measurements were made during dives with DSV Alvin to the Main Endeavour…”
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Identification of sulfur sources and isotopic equilibria in submarine hot-springs using multiple sulfur isotopes by McDermott, Jill M., Ono, Shuhei, Tivey, Margaret K., Seewald, Jeffrey S., Shanks, Wayne C., Solow, Andrew R.

“…Multiple sulfur isotopes were measured in metal sulfide deposits, elemental sulfur, and aqueous hydrogen sulfide to constrain sulfur sources and the isotopic…”
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A ubiquitous thermoacidophilic archaeon from deep-sea hydrothermal vents by Reysenbach, Anna-Louise, Liu, Yitai, Banta, Amy B, Beveridge, Terry J, Kirshtein, Julie D, Schouten, Stefan, Tivey, Margaret K, Von Damm, Karen L, Voytek, Mary A

“…Deep-sea hydrothermal vents are important in global biogeochemical cycles, providing biological oases at the sea floor that are supported by the thermal and…”
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Inactive hydrothermal vent microbial communities are important contributors to deep ocean primary productivity by Achberger, Amanda M., Jones, Rose, Jamieson, John, Holmes, Charles P., Schubotz, Florence, Meyer, Nicolette R., Dekas, Anne E., Moriarty, Sarah, Reeves, Eoghan P., Manthey, Alex, Brünjes, Jonas, Fornari, Daniel J., Tivey, Margaret K., Toner, Brandy M., Sylvan, Jason B.

“…Active hydrothermal vents are oases for productivity in the deep ocean, but the flow of dissolved substrates that fuel such abundant life ultimately ceases,…”
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Bacterial and archaeal phylotypes associated with distinct mineralogical layers of a white smoker spire from a deep-sea hydrothermal vent site (9°N, East Pacific Rise) by Kormas, Konstantinos A., Tivey, Margaret K., Von Damm, Karen, Teske, Andreas

“…Summary A diffusely venting chimney spire from the East Pacific Rise (9°N) was analysed by petrographic thin sectioning and 16S rRNA gene cloning and…”
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Active and relict sea-floor hydrothermal mineralization at the TAG hydrothermal field, Mid-Atlantic Ridge by Rona, Peter A, Hannington, Mark D, Raman, C. V, Thompson, Geoffrey, Tivey, Margaret K, Humphris, Susan E, Lalou, Claude, Petersen, Sven

“…This hydrothermal field occurs at 26 degrees N on the MAR. Cross- sections are shown, 14 photos are included, and the data are tabulated, plotted and…”
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Links from Mantle to Microbe at the Lau Integrated Study Site: INSIGHTS FROM A BACK-ARC SPREADING CENTER by TIVEY, MARGARET K., BECKER, ERIN, BEINART, ROXANNE, FISHER, CHARLES R., GIRGUIS, PETER R., LANGMUIR, CHARLES H., MICHAEL, PETER J., REYSENBACH, ANNA-LOUISE

“…The Lau Integrated Study Site (ISS) has provided unique opportunities for study of ridge processes because of its back-arc setting in the southwestern Pacific…”
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Trace element proxies of seafloor hydrothermal fluids based on secondary ion mass spectrometry (SIMS) of black smoker chimney linings by Evans, Guy N., Tivey, Margaret K., Monteleone, Brian, Shimizu, Nobumichi, Seewald, Jeffrey S., Rouxel, Olivier J.

“…Sampling of paired black smoker chimney linings and seafloor hydrothermal vent fluids supports the development of trace element proxies for sulfide mineral…”
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Spatial evolution and temporal stability of hydrothermal processes at sediment-covered spreading centers: Constraints from Guaymas Basin, Gulf of California by Seewald, Jeffrey S., Geoffrey Wheat, C., Reeves, Eoghan P., Tivey, Margaret K., Sievert, Stefan M., Stakes, Debra, Sylva, Sean P., Lilley, Marvin D., Heuer, Verena B.

“…The Guaymas Basin, Gulf of California is a hydrothermally active sediment-covered oceanic spreading center in the early stages of rifting. Hot-spring fluids…”
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Influences of the Tonga Subduction Zone on seafloor massive sulfide deposits along the Eastern Lau Spreading Center and Valu Fa Ridge by Evans, Guy N., Tivey, Margaret K., Seewald, Jeffrey S., Wheat, C. Geoff

“…This study investigates the morphology, mineralogy, and geochemistry of seafloor massive sulfide (SMS) deposits from six back-arc hydrothermal vent fields…”
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Precipitation and growth of barite within hydrothermal vent deposits from the Endeavour Segment, Juan de Fuca Ridge by Jamieson, John William, Hannington, Mark D., Tivey, Margaret K., Hansteen, Thor, Williamson, Nicole M.-B., Stewart, Margaret, Fietzke, Jan, Butterfield, David, Frische, Matthias, Allen, Leigh, Cousens, Brian, Langer, Julia

“…Hydrothermal vent deposits form on the seafloor as a result of cooling and mixing of hot hydrothermal fluids with cold seawater. Amongst the major sulfide and…”
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Mosaic community dynamics on Juan de Fuca Ridge sulphide edifices : substratum, temperature and implications for trophic structure by SARRAZIN, Jozée, LEVESQUE, Christian, JUNIPER, S. Kim, TIVEY, Margaret K

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American (U.S.) activities in marine mineral deposits by Tivey, M. K.

“…Research efforts in marine mineral deposits in the United States (U.S.) are spread among different agencies, and focused on resource assessment, exploration…”
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Permeability-porosity relationships in seafloor vent deposits: Dependence on pore evolution processes by Zhu, Wenlu, Tivey, Margaret K, Gittings, Hilary, Craddock, Paul R

“…Systematic laboratory measurements of permeability and porosity were conducted on three large vent structures from the Mothra Hydrothermal vent field on the…”
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