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2011

"Follow the water": Steve squyres and the mars exploration rovers

Smith, J. A. & Onstott, T. C., Apr 1 2011, In : Journal of the Franklin Institute. 348, 3, p. 446-452 7 p.

Research output: Contribution to journalArticle

3 Scopus citations

Hydrogeology, Chemical and Microbial Activity Measurement Through Deep Permafrost

Stotler, R. L., Frape, S. K., Freifeld, B. M., Holden, B., Onstott, T. C., Ruskeeniemi, T. & Chan, E., May 2011, In : Ground Water. 49, 3, p. 348-364 17 p.

Research output: Contribution to journalArticle

14 Scopus citations

LUCI: A facility at DUSEL for large-scale experimental study of geologic carbon sequestration

Peters, C. A., Dobson, P. F., Oldenburg, C. M., Wang, J. S. Y., Onstott, T. C., Scherer, G. W., Freifeld, B. M., Ramakrishnan, T. S., Stabinski, E. L., Liang, K. & Verma, S., 2011, In : Energy Procedia. 4, p. 5050-5057 8 p.

Research output: Contribution to journalArticle

2 Scopus citations

Nematoda from the terrestrial deep subsurface of South Africa

Borgonie, G., García-Moyano, A., Litthauer, D., Bert, W., Bester, A., Van Heerden, E., Möller, C., Erasmus, M. & Onstott, T. C., Jun 2 2011, In : Nature. 474, 7349, p. 79-82 4 p.

Research output: Contribution to journalArticle

105 Scopus citations

Neon identifies two billion year old fluid component in Kaapvaal Craton

Lippmann-Pipke, J., Sherwood Lollar, B., Niedermann, S., Stroncik, N. A., Naumann, R., van Heerden, E. & Onstott, T. C., Apr 22 2011, In : Chemical Geology. 283, 3-4, p. 287-296 10 p.

Research output: Contribution to journalArticle

32 Scopus citations

Precipitation of arsenic under sulfate reducing conditions and subsequent leaching under aerobic conditions

Onstott, T. C., Chan, E., Polizzotto, M. L., Lanzon, J. & DeFlaun, M. F., Mar 1 2011, In : Applied Geochemistry. 26, 3, p. 269-285 17 p.

Research output: Contribution to journalArticle

27 Scopus citations
2010

Coupling hydrocarbon degradation to anaerobic respiration and mineral diagenesis: Theoretical constraints

Onstott, T. C., Hinton, S. M., Silver, B. J. & King, H. E., Jan 2010, In : Geobiology. 8, 1, p. 69-88 20 p.

Research output: Contribution to journalArticle

13 Scopus citations

DUSEL CO2: A facility for experimental study of geologic carbon sequestration

Peters, C. A., Oldenburg, C. M., Dobson, P. F., Freifeld, B. M., Wang, J. S. Y., Scherer, G. W. & Onstott, T. C., Dec 1 2010, In : ACS National Meeting Book of Abstracts.

Research output: Contribution to journalArticle

In situ cultivation of subsurface microorganisms in a deep mafic sill: Implications for SLiMEs

Silver, B. J., Onstott, T. C., Rose, G., Lin, L. H., Ralston, C., Sherwood-Lollar, B., Pfiffner, S. M., Kieft, T. L. & McCuddy, S., Jun 1 2010, In : Geomicrobiology Journal. 27, 4, p. 329-348 20 p.

Research output: Contribution to journalArticle

7 Scopus citations
2009

High Lake gossan deposit: An Arctic analogue for ancient Martian surficial processes?

West, L., McGown, D. J., Onstott, T. C., Morris, R. V., Suchecki, P. & Pratt, L. M., Sep 1 2009, In : Planetary and Space Science. 57, 11, p. 1302-1311 10 p.

Research output: Contribution to journalArticle

11 Scopus citations

Hydrogeochemistry of groundwaters in and below the base of thick permafrost at Lupin, Nunavut, Canada

Stotler, R. L., Frape, S. K., Ruskeeniemi, T., Ahonen, L., Onstott, T. C. & Hobbs, M. Y., Jun 30 2009, In : Journal of Hydrology. 373, 1-2, p. 80-95 16 p.

Research output: Contribution to journalArticle

51 Scopus citations

Microbial communities in subpermafrost saline fracture water at the Lupin Au mine, Nunavut, Canada

Onstott, T. C., McGown, D. J., Bakermans, C., Ruskeeniemi, T., Ahonen, L., Telling, J., Soffientino, B., Pfiffner, S. M., Sherwood-Lollar, B., Frape, S., Stotler, R., Johnson, E. J., Vishnivetskaya, T. A., Rothmel, R. & Pratt, L. M., Nov 1 2009, In : Microbial Ecology. 58, 4, p. 786-807 22 p.

Research output: Contribution to journalArticle

38 Scopus citations

New horizons for deep subsurface microbiology

Onstott, T. C., Colwell, F. S., Kieft, T. L., Murdoch, L. & Phelps, T. J., Nov 1 2009, In : Microbe. 4, 11

Research output: Contribution to journalArticle

12 Scopus citations

Sulfur isotope enrichment during maintenance metabolism in the thermophilic sulfate-reducing bacterium Desulfotomaculum putei

Davidson, M. M., Bisher, M. E., Pratt, L. M., Fong, J., Southam, G., Pfiffner, S. M., Reches, Z. & Onstott, T. C., Sep 2009, In : Applied and Environmental Microbiology. 75, 17, p. 5621-5630 10 p.

Research output: Contribution to journalArticle

22 Scopus citations

Survivability of psychrobacter cryohalolentis K5 under simulated martian surface conditions

Smith, D. J., Schuerger, A. C., Davidson, M. M., Pacala, S. W., Bakermans, C. & Onstott, T. C., Mar 1 2009, In : Astrobiology. 9, 2, p. 221-228 8 p.

Research output: Contribution to journalArticle

25 Scopus citations
2008

A high-resolution chemical and structural study of framboidal pyrite formed within a low-temperature bacterial biofilm

MacLean, L. C. W., Tyliszczak, T., Gilbert, P. U. P. A., Zhou, D., Pray, T. J., Onstott, T. C. & Southam, G., Dec 1 2008, In : Geobiology. 6, 5, p. 471-480 10 p.

Research output: Contribution to journalArticle

100 Scopus citations

Challenges for coring deep permafrost on earth and mars

Pfiffner, S. M., Onstott, T. C., Ruskeeniemi, T., Talikka, M., Bakermans, C., McGown, D., Chan, E., Johnson, A., Phelps, T. J., Puil, M. L., Difurio, S. A., Pratt, L. M., Stotler, R., Frape, S., Telling, J., Lollar, B. S., Neill, I. & Zerbin, B., Jun 1 2008, In : Astrobiology. 8, 3, p. 623-638 16 p.

Research output: Contribution to journalArticle

11 Scopus citations

Environmental genomics reveals a single-species ecosystem deep within earth

Chivian, D., Brodie, E. L., Alm, E. J., Culley, D. E., Dehal, P. S., DeSantis, T. Z., Gihring, T. M., Lapidus, A., Lin, L. H., Lowry, S. R., Moser, D. P., Richardson, P. M., Southam, G., Wanger, G., Pratt, L. M., Andersen, G. L., Hazen, T. C., Brockman, F. J., Arkin, A. P. & Onstott, T. C., Oct 10 2008, In : Science. 322, 5899, p. 275-278 4 p.

Research output: Contribution to journalArticle

266 Scopus citations

Ground surface temperature reconstructions: Using in situ estimates for thermal conductivity acquired with a fiber-optic distributed thermal perturbation sensor

Freifeld, B. M., Finsterle, S., Onstott, T. C., Toole, P. & Pratt, L. M., Jul 28 2008, In : Geophysical Research Letters. 35, 14, L14309.

Research output: Contribution to journalArticle

75 Scopus citations

Isotopic signatures of CH4 and higher hydrocarbon gases from Precambrian Shield sites: A model for abiogenic polymerization of hydrocarbons

Lollar, B. S., Lacrampe-Couloume, G., Voglesonger, K., Onstott, T. C., Pratt, L. M. & Slater, G. F., Oct 1 2008, In : Geochimica et Cosmochimica Acta. 72, 19, p. 4778-4795 18 p.

Research output: Contribution to journalArticle

118 Scopus citations

Stars of the terrestrial deep subsurface: A novel 'star-shaped' bacterial morphotype from a South African platinum mine

Wanger, G., Onstott, T. C. & Southam, G., Jun 1 2008, In : Geobiology. 6, 3, p. 325-330 6 p.

Research output: Contribution to journalArticle

17 Scopus citations
2007

Hydrogeologic controls on episodic H2 rlease from Precambrian fractured rocks - Energy for deep subsurface life on earth and mars

Lollar, B. S., Voglesonger, K., Lin, L. H., Lacrampe-Couloume, G., Telling, J., Abrajano, T. A., Onstott, T. C. & Pratt, L. M., Dec 1 2007, In : Astrobiology. 7, 6, p. 971-986 16 p.

Research output: Contribution to journalArticle

67 Scopus citations

Isolation and characterization of a Geobacillus thermoleovorans strain from an ultra-deep South African gold mine

DeFlaun, M. F., Fredrickson, J. K., Dong, H., Pfiffner, S. M., Onstott, T. C., Balkwill, D. L., Streger, S. H., Stackebrandt, E., Knoessen, S. & van Heerden, E., Mar 8 2007, In : Systematic and Applied Microbiology. 30, 2, p. 152-164 13 p.

Research output: Contribution to journalArticle

32 Scopus citations

Mineralogical, chemical and biological characterization of an anaerobic biofilm collected from a borehole in a deep gold mine in South Africa

MacLean, L. C. W., Pray, T. J., Onstott, T. C., Brodie, E. L., Hazen, T. C. & Southam, G., Sep 1 2007, In : Geomicrobiology Journal. 24, 6, p. 491-504 14 p.

Research output: Contribution to journalArticle

26 Scopus citations

Salinity-induced hydrate dissociation: A mechanism for recent CH4 release on Mars

Elwood Madden, M. E., Ulrich, S. M., Onstott, T. C. & Phelps, T. J., Jun 16 2007, In : Geophysical Research Letters. 34, 11, L11202.

Research output: Contribution to journalArticle

21 Scopus citations

The limited role of aquifer heterogeneity on metal reduction in an Atlantic coastal plain determined by push-pull tests

Mailloux, B. J., Devlin, S., Fuller, M. E., Onstott, T. C., DeFlaun, M. F., Choi, K. H., Green-Blum, M., Swift, D. J. P., McCarthy, J. & Dong, H., May 1 2007, In : Applied Geochemistry. 22, 5, p. 974-995 22 p.

Research output: Contribution to journalArticle

2 Scopus citations
2006

14C in Methane and DIC in the deep terrestrial subsurface: Implications for microbial methanogenesis

Slater, G. F., Lippmann-Pipke, J., Moser, D. P., Reddy, C. M., Onstott, T. C., Lacrampe-Couloume, G. & Lollar, B. S., Sep 1 2006, In : Handbook of Environmental Chemistry, Volume 5: Water Pollution. 23, 6, p. 453-462 10 p.

Research output: Contribution to journalArticle

5 Scopus citations

Deep subsurface microbial biomass and community structure in witwatersrand basin mines

Pfiffner, S. M., Cantu, J. M., Smithgall, A., Peacock, A. D., White, D. C., Moser, D. P., Onstott, T. C. & van Heerden, E., Sep 1 2006, In : Geomicrobiology Journal. 23, 6, p. 431-442 12 p.

Research output: Contribution to journalArticle

41 Scopus citations

In situ enrichment of a diverse community of bacteria from a 4-5 km deep fault zone in South Africa

Trimarco, E., Balkwill, D., Davidson, M. & Onstott, T. C., Sep 1 2006, In : Handbook of Environmental Chemistry, Volume 5: Water Pollution. 23, 6, p. 463-473 11 p.

Research output: Contribution to journalArticle

14 Scopus citations

Long-term sustainability of a high-energy, low-diweniff crystal-biome

Lin, L. H., Wang, P. L., Rumble, D., Lippmann-Pipke, J., Boice, E., Pratt, L. M., Lollar, B. S., Brodie, E. L., Hazen, T. C., Andersen, G. L., DeSantis, T. Z., Moser, D. P., Kershaw, D. & Onstott, T. C., Oct 20 2006, In : Science. 314, 5798, p. 479-482 4 p.

Research output: Contribution to journalArticle

234 Scopus citations

Martian CH4: Sources, flux, and detection

Onstott, T. C., McGown, D., Kessler, J., Lollar, B. S., Lehmann, K. K. & Clifford, S. M., Apr 2006, In : Astrobiology. 6, 2, p. 377-395 19 p.

Research output: Contribution to journalArticle

65 Scopus citations

Planktonic microbial communities associated with fracture-derived groundwater in a deep gold mine of South Africa

Lin, L. H., Hall, J., Onstott, T. C., Gihring, T., Lollar, B. S., Boice, E., Pratt, L., Lippmann-Pipke, J. & Bellamy, R. E. S., Sep 1 2006, In : Handbook of Environmental Chemistry, Volume 5: Water Pollution. 23, 6, p. 475-497 23 p.

Research output: Contribution to journalArticle

36 Scopus citations
18 Scopus citations

The distribution of microbial taxa in the subsurface water of the kalahari shield, South Africa

Gihring, T. M., Moser, D. P., Lin, L. H., Davidson, M., Onstott, T. C., Morgan, L., Milleson, M., Kieft, T. L., Trimarco, E., Balkwill, D. L. & Dollhopf, M. E., Sep 1 2006, In : Handbook of Environmental Chemistry, Volume 5: Water Pollution. 23, 6, p. 415-430 16 p.

Research output: Contribution to journalArticle

58 Scopus citations

The origin and age of biogeochemical trends in deep fracture water of the Witwatersrand basin, South Africa

Onstott, T. C., Lin, L. H., Davidson, M., Mislowack, B., Borcsik, M., Hall, J., Slater, G., Ward, J., Lollar, B. S., Lippmann-Pipke, J., Boice, E., Pratt, L. M., Pfiffner, S., Moser, D., Gihring, T., Kieft, T. L., Phelps, T. J., Vanheerden, E., Litthaur, D., Deflaun, M. & 3 others, Rothmel, R., Wanger, G. & Southam, G., Sep 1 2006, In : Handbook of Environmental Chemistry, Volume 5: Water Pollution. 23, 6, p. 369-414 46 p.

Research output: Contribution to journalArticle

46 Scopus citations

Unravelling abiogenic and biogenic sources of methane in the Earth's deep subsurface

Lollar, B. S., Lacrampe-Couloume, G., Slater, G. F., Ward, J., Moser, D. P., Gihring, T. M., Lin, L. H. & Onstott, T. C., Feb 28 2006, In : Chemical Geology. 226, 3-4, p. 328-339 12 p.

Research output: Contribution to journalArticle

170 Scopus citations
2005

Desulfotomaculum and Methanobacterium spp. dominate a 4- to 5-kilometer-deep fault

Moser, D. P., Gihring, T. M., Brockman, F. J., Fredrickson, J. K., Balkwill, D. L., Dollhopf, M. E., Lollar, B. S., Pratt, L. M., Boice, E., Southam, G., Wanger, G., Baker, B. J., Pfiffner, S. M., Lin, L. H. & Onstott, T. C., Dec 2005, In : Applied and Environmental Microbiology. 71, 12, p. 8773-8783 11 p.

Research output: Contribution to journalArticle

113 Scopus citations

Geochemically generated, energy-rich substrates and indigenous microorganisms in deep, ancient groundwater

Kieft, T. L., McCuddy, S. M., Onstott, T. C., Davidson, M., Lin, L. H., Mislowack, B., Pratt, L., Boice, E., Lollar, B. S., Lippmann-Pipke, J., Pfiffner, S. M., Phelps, T. J., Gihring, T., Moser, D. & van Heerden, A., Sep 1 2005, In : Geomicrobiology Journal. 22, 6, p. 325-335 11 p.

Research output: Contribution to journalArticle

44 Scopus citations

Physical versus chemical effects on bacterial and bromide transport as determined from on site sediment column pulse experiments

Hall, J. A., Mailloux, B. J., Onstott, T. C., Scheibe, T. D., Fuller, M. E., Dong, H. & DeFlaun, M. F., Feb 2005, In : Journal of Contaminant Hydrology. 76, 3-4, p. 295-314 20 p.

Research output: Contribution to journalArticle

18 Scopus citations

Radiolytic H2 in continental crust: Nuclear power for deep subsurface microbial communities

Lin, L. H., Hall, J., Lippmann-Pipke, J., Ward, J. A., Lollar, B. S., DeFlaun, M., Rothmel, R., Moser, D., Gihring, T. M., Mislowack, B. & Onstott, T. C., Jul 1 2005, In : Geochemistry, Geophysics, Geosystems. 6, 7, Q07003.

Research output: Contribution to journalArticle

113 Scopus citations

The yield and isotopic composition of radiolytic H2, a potential energy source for the deep subsurface biosphere

Lin, L. H., Slater, G. F., Sherwood Lollar, B., Lacrampe-Couloume, G. & Onstott, T. C., Feb 15 2005, In : Geochimica et Cosmochimica Acta. 69, 4, p. 893-903 11 p.

Research output: Contribution to journalArticle

138 Scopus citations
2004

Application of a Vital Fluorescent Staining Method for Simultaneous, Near-Real-Time Concentration Monitoring of Two Bacterial Strains in an Atlantic Coastal Plain Aquifer in Oyster, Virginia

Fuller, M. E., Mailloux, B. J., Streger, S. H., Hall, J. A., Zhang, P., Kovacik, W. P., Vainberg, S., Johnson, W. P., Onstott, T. C. & DeFlaun, M. F., Mar 2004, In : Applied and Environmental Microbiology. 70, 3, p. 1680-1687 8 p.

Research output: Contribution to journalArticle

9 Scopus citations

Identification of iron-reducing Thermus strains as Thermus scotoductus

Balkwill, D. L., Kieft, T. L., Tsukuda, T., Kostandarithes, H. M., Onstott, T. C., Macnaughton, S., Bownas, J. & Fredrickson, J. K., Feb 1 2004, In : Extremophiles. 8, 1, p. 37-44 8 p.

Research output: Contribution to journalArticle

36 Scopus citations

Microbial hydrocarbon gases in the Witwatersrand Basin, South Africa: Implications for the deep biosphere

Ward, J. A., Slater, G. F., Moser, D. P., Lin, L. H., Lacrampe-Couloume, G., Bonin, A. S., Davidson, M., Hall, J. A., Mislowack, B., Bellamy, R. E. S., Onstott, T. C. & Sherwood Lollar, B., Aug 1 2004, In : Geochimica et Cosmochimica Acta. 68, 15, p. 3239-3250 12 p.

Research output: Contribution to journalArticle

73 Scopus citations

Paleomagnetism and 40Ar/39Ar ages of mafic dikes from Salvador (Brazil): New constraints on the São Francisco craton APW path between 1080 and 1010 Ma

D'Agrella-Filho, M. S., Pacca, I. I. G., Trindade, R. I. F., Teixeira, W., Raposo, M. I. B. & Onstott, T. C., Jun 30 2004, In : Precambrian Research. 132, 1-2, p. 55-77 23 p.

Research output: Contribution to journalArticle

34 Scopus citations
2003

A Modular Injection System, Multilevel Sampler, and Manifold for Tracer Tests

Mailloux, B. J., Fuller, M. E., Rose, G. F., Onstott, T. C., Deflaun, M. F., Alvarez, E., Hemingway, C., Hallet, R. B., Phelps, T. J. & Griffin, T., Nov 1 2003, In : Ground Water. 41, 6, p. 816-827 12 p.

Research output: Contribution to journalArticle

4 Scopus citations

Dating ultra-deep mine waters with noble gases and 36Cl, Witwatersrand Basin, South Africa

Lippmann, J., Stute, M., Torgersen, T., Moser, D. P., Hall, J. A., Lin, L., Borcsik, M., Bellamy, R. E. S. & Onstott, T. C., Dec 1 2003, In : Geochimica et Cosmochimica Acta. 67, 23, p. 4597-4619 23 p.

Research output: Contribution to journalArticle

91 Scopus citations

Indigenous and contaminant microbes in ultradeep mines

Onstott, T. C., Moser, D. P., Pfiffner, S. M., Fredrickson, J. K., Brockman, F. J., Phelps, T. J., White, D. C., Peacock, A., Balkwill, D., Hoover, R., Krumholz, L. R., Borscik, M., Kieft, T. L. & Wilson, R., Nov 2003, In : Environmental Microbiology. 5, 11, p. 1168-1191 24 p.

Research output: Contribution to journalArticle

85 Scopus citations

Isolation of Halobacterium salinarum retrieved directly from halite brine inclusions

Mormile, M. R., Biesen, M. A., Gutierrez, M. C., Ventosa, A., Pavlovich, J. B., Onstott, T. C. & Fredrickson, J. K., Nov 1 2003, In : Environmental Microbiology. 5, 11, p. 1094-1102 9 p.

Research output: Contribution to journalArticle

80 Scopus citations

Related assemblages of sulphate-reducing bacteria associated with ultradeep gold mines of South Africa and deep basalt aquifers of Washington State

Baker, B. J., Moser, D. P., MacGregor, B. J., Fishbain, S., Wagner, M., Fry, N. K., Jackson, B., Speolstra, N., Loos, S., Takai, K., Lollar, B. S., Fredrickson, J., Balkwill, D., Onstott, T. C., Wimpee, C. F. & Stahl, D. A., Apr 1 2003, In : Environmental Microbiology. 5, 4, p. 267-277 11 p.

Research output: Contribution to journalArticle

86 Scopus citations