Search Results - "Ruskeeniemi, T"

Geomicrobiology and Metagenomics of Terrestrial Deep Subsurface Microbiomes by Itävaara, M, Salavirta, H, Marjamaa, K, Ruskeeniemi, T

“…Fractures in the deep subsurface of Earth's crust are inhabited by diverse microbial communities that participate in biogeochemical cycles of the Earth. Life…”
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Evidence of multiple slip events on postglacial faults in northern Fennoscandia by Mattila, J., Ojala, A.E.K., Ruskeeniemi, T., Palmu, J.-P., Aaltonen, I., Käpyaho, A., Lindberg, A., Sutinen, R.

“…An analysis of high-resolution LiDAR-based digital elevation models (DEMs), trenching of Quaternary deposits, diamond drilling and a structural analysis of the…”
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The interglacial–glacial cycle and geochemical evolution of Canadian and Fennoscandian Shield groundwaters by Stotler, R.L., Frape, S.K., Ruskeeniemi, T., Pitkänen, P., Blowes, D.W.

“…Results from cryogenic column experiments are compared with the geochemical data collected in the Canadian and Fennoscandian Shields over the past 25 years to…”
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Earthquake-induced deformation structures in glacial sediments—evidence on fault reactivation and instability at the Vaalajärvi fault in northern Fennoscandia by Ojala, A.E.K., Mattila, J., Middleton, M., Ruskeeniemi, T., Palmu, J.-P., Nordbäck, N., Kirsch, M., Lorenz, S., Zimmermann, R., Andreani, L., Jackisch, R., Unger, G., Gloaguen, R., Sutinen, R.

“…Late and postglacial reverse faults and seismically-induced landslides are characteristic features of deglaciated terrain in the northern Fennoscandia. The…”
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Challenges for coring deep permafrost on Earth and Mars by Pfiffner, S M, Onstott, T C, Ruskeeniemi, T, Talikka, M, Bakermans, C, McGown, D, Chan, E, Johnson, A, Phelps, T J, Le Puil, M, Difurio, S A, Pratt, L M, Stotler, R, Frape, S, Telling, J, Lollar, B Sherwood, Neill, I, Zerbin, B

“…A scientific drilling expedition to the High Lake region of Nunavut, Canada, was recently completed with the goals of collecting samples and delineating…”
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Fractionation of chlorine isotopes between ice and groundwater: Identification of freezing processes by Zhang, M., Frape, S.K., Hobbs, M.Y., Jensen, M.R., Blomqvist, R., Ruskeeniemi, T.

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U-series disequilibria in a groundwater flow route as an indicator of uranium migration processes by Suksi, J., Rasilainen, K., Casanova, J., Ruskeeniemi, T., Blomqvist, R., Smellie, J.A.T.

“…U-series data relating to groundwater, fracture coatings and the adjoining rock matrix in a groundwater flow system at the Palmottu natural analogue site was…”
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Selective extractions in uranium migration studies—findings from a natural analogue study at Palmottu, southern Finland by Suksi, J., Ruskeeniemi, T., Saarinen, L.

“…The usefulness of chemical extractions in the study of uranium migration through fractured rock is considered in the light of the results of a natural analogue…”
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Hydrogeochemistry of groundwaters in and below the base of thick permafrost at Lupin, Nunavut, Canada by Stotler, Randy L., Frape, Shaun K., Ruskeeniemi, Timo, Ahonen, Lasse, Onstott, Tullis C., Hobbs, Monique Y.

“…Shield fluids are commonly understood to evolve through water–rock interaction. However, fluids may also concentrate during ice formation. Very little is…”
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Microbial Communities in Subpermafrost Saline Fracture Water at the Lupin Au Mine, Nunavut, Canada by Onstott, T. C, McGown, Daniel J, Bakermans, Corien, Ruskeeniemi, Timo, Ahonen, Lasse, Telling, Jon, Soffientino, Bruno, Pfiffner, Susan M, Sherwood-Lollar, Barbara, Frape, Shaun, Stotler, Randy, Johnson, Elizabeth J, Vishnivetskaya, Tatiana A, Rothmel, Randi, Pratt, Lisa M

“…We report the first investigation of a deep subpermafrost microbial ecosystem, a terrestrial analog for the Martian subsurface. Our multidisciplinary team…”
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Periglacial phenomena affecting nuclear waste disposal by Niini, H., Marcos, N., Ruskeeniemi, T.

“…Slow future changes in astronomic phenomena seem to make it likely that Finland nll suffer several cold periods during the next 100,000 years. The paper…”
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Hydrogeology, Chemical and Microbial Activity Measurement Through Deep Permafrost by Stotler, Randy L., Frape, Shaun K., Freifeld, Barry M., Holden, Brian, Onstott, Tullis C., Ruskeeniemi, Timo, Chan, Eric

“…Little is known about hydrogeochemical conditions beneath thick permafrost, particularly in fractured crystalline rock, due to difficulty in accessing this…”
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Review of Survey activities 2012: Lineament mapping and geological history of the Kangerlussuaq region, southern West Greenland by Klint, K.E.S., Engström, J., Parmenter, A., Ruskeeniemi, T., Liljedahl, L.C., Lehtinen, A.

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Origins, closed system formation and preservation of calcites in glaciated crystalline bedrock: evidence from the Palmottu natural analogue site, Finland by Blyth, Alexander, Frape, Shaun, Ruskeeniemi, Timo, Blomqvist, Runar

“…A study of the geochemistry of fracture filling calcite from the Palmottu research site, a U–Th deposit located about 100 km NW of Helsinki, Finland, was part…”
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Methane–halide reactions in shield waters, inferred from δ13C and δ2H of methane and δ81Br and δ37Cl of dissolved ions by Stotler, R.L., Frape, S.K., Shouakar-Stash, O., Ruskeeniemi, T., Blomqvist, R.

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Methane–halide reactions in shield waters, inferred from δ 13C and δ 2H of methane and δ 81Br and δ 37Cl of dissolved ions by Stotler, R.L., Frape, S.K., Shouakar-Stash, O., Ruskeeniemi, T., Blomqvist, R.

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Release of uranium from rock matrix—a record of glacial meltwater intrusions? by Rasilainen, Kari, Suksi, Juhani, Ruskeeniemi, Timo, Pitkänen, Petteri, Poteri, Antti

“…Uranium release observed in a rock matrix around water-carrying fractures was studied using U-series disequilibrium (USD) modelling and mass balance…”
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