Isotopic composition

Cumbest, R.J., E.L. Johnson, and T.C. Onstott. 1994. “Argon Composition of Metamorphic Fluids: Implications for 40 Ar 39 Ar Geochronology”. Geological Society of America Bulletin 106: 942-51. doi:10.1130/0016-7606(1994)106<0942:ACOMFI>2.3.CO;2.

Reference Link
Cumbest, R.J., E.L. Johnson, and T.C. Onstott. 1994. “Argon Composition of Metamorphic Fluids: Implications for 40 Ar 39 Ar Geochronology”. Geological Society of America Bulletin 106: 942-51. doi:10.1130/0016-7606(1994)106<0942:ACOMFI>2.3.CO;2.

Reference Link
Davidson, M.M., M.E. Bisher, L.M. Pratt, J. Fong, G. Southam, S.M. Pfiffner, Z. Reches, and T.C. Onstott. 2009. “Sulfur Isotope Enrichment During Maintenance Metabolism in the Thermophilic Sulfate-Reducing Bacterium Desulfotomaculum Putei”. Applied and Environmental Microbiology 75: 5621-30. doi:10.1128/AEM.02948-08.

Reference Link
Davidson, M.M., M.E. Bisher, L.M. Pratt, J. Fong, G. Southam, S.M. Pfiffner, Z. Reches, and T.C. Onstott. 2009. “Sulfur Isotope Enrichment During Maintenance Metabolism in the Thermophilic Sulfate-Reducing Bacterium Desulfotomaculum Putei”. Applied and Environmental Microbiology 75: 5621-30. doi:10.1128/AEM.02948-08.

Reference Link
Lollar, B.S., G. Lacrampe-Couloume, K. Voglesonger, T.C. Onstott, L.M. Pratt, and G.F. Slater. 2008. “Isotopic Signatures of CH4 and Higher Hydrocarbon Gases from Precambrian Shield Sites: A Model for Abiogenic Polymerization of Hydrocarbons”. Geochimica Et Cosmochimica Acta 72: 4778-95. doi:10.1016/j.gca.2008.07.004.

Reference Link
Lin, L.-H., G.F. Slater, Sherwood Lollar, G. Lacrampe-Couloume, and T.C. Onstott. 2005. “The Yield and Isotopic Composition of Radiolytic H2, a Potential Energy Source for the Deep Subsurface Biosphere”. Geochimica Et Cosmochimica Acta 69: 893-903. doi:10.1016/j.gca.2004.07.032.

Reference Link
Stotler, R.L., S.K. Frape, B.M. Freifeld, B. Holden, T.C. Onstott, T. Ruskeeniemi, and E. Chan. 2011. “Hydrogeology, Chemical and Microbial Activity Measurement Through Deep Permafrost”. Ground Water 49: 348-64. doi:10.1111/j.1745-6584.2010.00724.x.

Reference Link
Lippmann-Pipke, J., Sherwood Lollar, S. Niedermann, N.A. Stroncik, R. Naumann, E. van Heerden, and T.C. Onstott. 2011. “Neon Identifies Two Billion Year Old Fluid Component in Kaapvaal Craton”. Chemical Geology 283: 287-96. doi:10.1016/j.chemgeo.2011.01.028.

Reference Link
Chen, Y., K.K. Lehmann, J. Kessler, B.S. Lollar, Lacrampe Couloume, and T.C. Onstott. 2013. “Measurement of the 13C 12C of Atmospheric CH 4 Using Near-Infrared (NIR) Cavity Ring-down Spectroscopy”. Analytical Chemistry 85: 11250-57. doi:10.1021/ac401605s.

Reference Link
Silver, B.J., R. Raymond, D.M. Sigman, M. Prokopeko, Sherwood Lollar, G. Lacrampe-Couloume, M.L. Fogel, L.M. Pratt, L. Lefticariu, and T.C. Onstott. 2012. “The Origin of NO 3 - and N 2 in Deep Subsurface Fracture Water of South Africa”. Chemical Geology 294-295: 51-62. doi:10.1016/j.chemgeo.2011.11.017.

Reference Link
Davidson, M.M., B.J. Silver, T.C. Onstott, D.P. Moser, T.M. Gihring, L.M. Pratt, E.A. Boice, et al. 2011. “Capture of Planktonic Microbial Diversity in Fractures by Long-Term Monitoring of Flowing Boreholes, Evander Basin, South Africa”. Geomicrobiology Journal 28: 275-300. doi:10.1080/01490451.2010.499928.

Reference Link
Stotler, R.L., S.K. Frape, B.M. Freifeld, B. Holden, T.C. Onstott, T. Ruskeeniemi, and E. Chan. 2011. “Hydrogeology, Chemical and Microbial Activity Measurement Through Deep Permafrost”. Ground Water 49: 348-64. doi:10.1111/j.1745-6584.2010.00724.x.

Reference Link