Search Results - "Fisk, Martin R"

First investigation of the microbiology of the deepest layer of ocean crust by Mason, Olivia U, Nakagawa, Tatsunori, Rosner, Martin, Van Nostrand, Joy D, Zhou, Jizhong, Maruyama, Akihiko, Fisk, Martin R, Giovannoni, Stephen J

“…The gabbroic layer comprises the majority of ocean crust. Opportunities to sample this expansive crustal environment are rare because of the technological…”
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Carbon fixation and energy metabolisms of a subseafloor olivine biofilm by Smith, Amy R., Kieft, Brandon, Mueller, Ryan, Fisk, Martin R., Mason, Olivia U., Popa, Radu, Colwell, Frederick S.

“…Earth’s largest aquifer ecosystem resides in igneous oceanic crust, where chemosynthesis and water-rock reactions provide the carbon and energy that support an…”
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Ancient Metabolisms of a Thermophilic Subseafloor Bacterium by Smith, Amy R, Mueller, Ryan, Fisk, Martin R, Colwell, Frederick S

“…The ancient origins of metabolism may be rooted deep in oceanic crust, and these early metabolisms may have persisted in the habitable thermal anoxic aquifer…”
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Alteration of Oceanic Volcanic Glass: Textural Evidence of Microbial Activity by Fisk, Martin R., Giovannoni, Stephen J., Thorseth, Ingunn H.

“…The subsurface biosphere may constitute as much as 50 percent of Earth's biomass. Direct and indirect evidence suggests that an extensive biosphere exists in…”
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Tunnel Formation in Basalt Glass by Fisk, Martin R, Popa, Radu, Wacey, David

“…We propose a model whereby microscopic tunnels form in basalt glass in response to a natural proton flux from seawater into the glass. This flux is generated…”
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Sources of nutrients and energy for a deep biosphere on Mars by Fisk, Martin R, Giovannoni, Stephen J

“…Hydrothermal vents appear to be the tip of the subsurface biosphere in the ocean crust. The primary producers in this biosphere are prokaryotes that tolerate a…”
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Prokaryotic diversity, distribution, and insights into their role in biogeochemical cycling in marine basalts by Mason, Olivia U, Di Meo-Savoie, Carol A, Van Nostrand, Joy D, Zhou, Jizhong, Fisk, Martin R, Giovannoni, Stephen J

“…We used molecular techniques to analyze basalts of varying ages that were collected from the East Pacific Rise, 9° N, from the rift axis of the Juan de Fuca…”
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Isotopic evidence for Late Cretaceous plume-ridge interaction at the Hawaiian hotspot by Keller, Randall A, Fisk, Martin R, White, William M

“…When a mantle plume interacts with a mid-ocean ridge, both are noticeably affected. The mid-ocean ridge can display anomalously shallow bathymetry, excess…”
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Surface area measurements of marine basalts: Implications for the subseafloor microbial biomass by Nielsen, Mark E., Fisk, Martin R.

“…These first measurements of specific surface area (SSA) of bulk samples of subsurface marine basalts were undertaken to determine the potential area available…”
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Deep Crustal Communities of the Juan de Fuca Ridge Are Governed by Mineralogy by Smith, Amy R., Fisk, Martin R., Thurber, Andrew R., Flores, Gilberto E., Mason, Olivia U., Popa, Radu, Colwell, Frederick S.

“…Volcanic ocean crust contains a global chemosynthetic microbial ecosystem that impacts ocean productivity, seawater chemistry and geochemical cycling. We…”
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phylogeny of endolithic microbes associated with marine basalts by Mason, Olivia U, Stingl, Ulrich, Wilhelm, Larry J, Moeseneder, Markus M, Di Meo-Savoie, Carol A, Fisk, Martin R, Giovannoni, Stephen J

“…We examined the phylogenetic diversity of microbial communities associated with marine basalts, using over 300 publicly available 16S rDNA sequences and new…”
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Laser-Induced Fluorescence Emission (L.I.F.E.): searching for Mars organics with a UV-enhanced PanCam by Storrie-Lombardi, Michael C, Muller, Jan-Peter, Fisk, Martin R, Cousins, Claire, Sattler, Birgit, Griffiths, Andrew D, Coates, Andrew J

“…The European Space Agency will launch the ExoMars mission in 2016 with a primary goal of surveying the martian subsurface for evidence of organic material. We…”
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Geochemistry of back arc basin volcanism in Bransfield Strait, Antarctica: Subducted contributions and along-axis variations by Keller, Randall A., Fisk, Martin R., Smellie, John L., Strelin, Jorge A., Lawver, Lawrence A.

“…Bransfield Strait is a Quaternary, ensialic back arc basin at the transition from rifting to spreading. Fresh volcanic rocks occur on numerous submarine…”
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Tracer-Based Estimates of Drilling-Induced Microbial Contamination of Deep Sea Crust by Smith, D C, Spivack, A J, Fisk, M R, Haveman, SA, Staudigel, H

“…Progress in studying the active biosphere in the deep seafloor is currently limited by the unknown amount of drilling-induced microbial contamination…”
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Melt inclusions in high-An plagioclase from the Gorda Ridge: an example of the local diversity of MORB parent magmas by Nielsen, R. L., Crum, Jennifer, Bourgeois, Rene, Hascall, Kaylea, Forsythe, Lance M., Fisk, Martin R., Christie, David M.

“…Melt inclusions trapped in primitive crystals are one source of ocean floor basalts, which can be used to study mantle composition and processes. Plagioclase…”
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Oxidation of manganese in an ancient aquifer, Kimberley formation, Gale crater, Mars by Lanza, Nina L., Wiens, Roger C., Arvidson, Raymond E., Clark, Benton C., Fischer, Woodward W., Gellert, Ralf, Grotzinger, John P., Hurowitz, Joel A., McLennan, Scott M., Morris, Richard V., Rice, Melissa S., Bell, James F., Berger, Jeffrey A., Blaney, Diana L., Bridges, Nathan T., Calef, Fred, Campbell, John L., Clegg, Samuel M., Cousin, Agnes, Edgett, Kenneth S., Fabre, Cécile, Fisk, Martin R., Forni, Olivier, Frydenvang, Jens, Hardy, Keian R., Hardgrove, Craig, Johnson, Jeffrey R., Lasue, Jeremie, Le Mouélic, Stéphane, Malin, Michael C., Mangold, Nicolas, Martìn‐Torres, Javier, Maurice, Sylvestre, McBride, Marie J., Ming, Douglas W., Newsom, Horton E., Ollila, Ann M., Sautter, Violaine, Schröder, Susanne, Thompson, Lucy M., Treiman, Allan H., VanBommel, Scott, Vaniman, David T., Zorzano, Marìa‐Paz

“…The Curiosity rover observed high Mn abundances (>25 wt % MnO) in fracture‐filling materials that crosscut sandstones in the Kimberley region of Gale crater,…”
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Chemistry of diagenetic features analyzed by ChemCam at Pahrump Hills, Gale crater, Mars by Nachon, M., Mangold, N., Forni, O., Kah, L.C., Cousin, A., Wiens, R.C., Anderson, R., Blaney, D., Blank, J.G., Calef, F., Clegg, S.M., Fabre, C., Fisk, M.R., Gasnault, O., Grotzinger, J.P., Kronyak, R., Lanza, N.L., Lasue, J., Deit, L. Le, Mouélic, S. Le, Maurice, S., Meslin, P.-Y., Oehler, D.Z., Payré, V., Rapin, W., Schröder, S., Stack, K., Sumner, D.

“…•ChemCam/Curiosity provides elemental composition at Gale crater’ lower Mt Sharp.•Diagenetic features in fine-grained sediments show diverse textures and…”
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Classification scheme for sedimentary and igneous rocks in Gale crater, Mars by Mangold, Nicolas, Schmidt, Mariek E., Fisk, Martin R., Forni, Olivier, McLennan, Scott M., Ming, Doug W., Sautter, Violaine, Sumner, Dawn, Williams, Amy J., Clegg, Samuel M., Cousin, Agnes, Gasnault, Olivier, Gellert, Ralf, Grotzinger, John P., Wiens, Roger Craig

“…Rocks analyzed by the Curiosity rover in Gale crater include a variety of clastic sedimentary rocks and igneous float rocks transported by fluvial and impact…”
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Sources of nutrients and energy for a deep biosphere on Mars by Fisk, Martin R, Giovannoni, Stephen J

“…Hydrothermal vents appear to be the tip of the subsurface biosphere in the ocean crust. The primary producers in this biosphere are prokaryotes that tolerate a…”
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Geochemistry of back arc basin volcanism in Bransfield Strait, Antarctica: Subducted contributions and along-axis variations by KELLER, Randall A, FISK, Martin R, SMELLIE, John L, STRELIN, Jorge A, LAWVER, Lawrence A

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