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Lisa M. Pratt

Representative Publications

Complete Publication List (PDF)

Wang, W., Guan, C., Zhou, C., Peng, Y., Pratt, L.M., Chen, X., Chen, L., Chen, Z., Yuan, X., and Xiao, S. (2017) Integrated carbon, sulfur, and nitrogen isotope chemostratigraphy of the Ediacaran Lantian Formation in South China: Spatial gradient, ocean redox oscillation, and fossil distribution. Geobiology 15:552-572.

Cadieux, S.B., White, J.R, and Pratt, L.M. (2017) Exceptional summer warming leads to contrasting outcomes for methane cycling in small Arctic lakes of Greenland. Biogeosciences 14:559-574.

Saxton, M.A., Samarkin, V.A., Schutte, C.A., Bowles, M.W., Madigan, M.T., Cadieux, S.B., Pratt, L.M., and Joye, S.B. (2016) Biogeochemical and 16S rRNA gene sequence evidence supports a novel mode of anaerobic methanotrophy in permanently ice-covered Lake Fryxell. Limnology and Oceanography 61:S119-S130.

Cadieux, S.B., White, J.R., Sauer, P.E., Peng, Y., and Pratt, L.M. (2016) Large fractionation of C and H isotopes related to methane oxidation in Arctic lakes. Geochimica et Cosmochimica Acta 187:141-155.

Goldman, A.E., Cadieux, S.B., White, J.R. and Pratt, L.M. 2015. Passive sampling method for high-resolution concentration and isotopic composition of dissolved methane in Arctic lakes. Limnology and Oceanography: Methods. DOI

Webster, K.D., White, J.R. and Pratt, L.M. 2015. Evaluating Ground-level Atmospheric Methane Concentrations in Southwest Greenland Using Open-Path Laser Spectroscopy. Arctic, Antarctic, and Alpine Research DOI

Colcord, D.E., Cadieux, S.B., Brassell, S.C., CastaƱeda, S., Pratt, L.M. and White, J.R. 2015. Assessment of branched GDGTs as temperature proxies in sedimentary records from several small lakes in southwestern Greenland. Organic Geochemistry 82:33-41.

Greenberger, R.N., Mustard, J.F., Cloutis, E.A., Pratt, L.M., Sauer, P.E., Mann, P., Turner, K., Dyar, M.D. and Bish, D.L. 2015. Serpentinization, iron oxidation, and aqueous conditions in a serpentinite: implications for hydrogen production and habitability on Mars. Earth and Planetary Science Letters 416:21-34. DOI

Webster, K.D., White, J.R. and Pratt, L.M. 2015. Evaluating Ground-level Atmospheric Methane Concentrations in Southwest Greenland Using Open-Path Laser Spectroscopy. Arctic, Antarctic, and Alpine Research DOI

Colcord, D.E., Cadieux, S.B., Brassell, S.C., CastaƱeda, S., Pratt, L.M. and White, J.R. 2015. Assessment of GDGTs as Temperature Proxies in Sedimentary Records from Several Small Lakes in Southwestern Greenland. Organic Geochemistry 82:33-41.

Greenberger, R.N., Mustard, J.F., Cloutis, E.A., Pratt, L.M., Sauer, P.E., Mann, P., Turner, K., Dyar, M.D. and Bish, D.L. 2015. Serpentinization, iron oxidation, and aqueous conditions in a serpentinite: implications for hydrogen production and habitability on Mars. Earth and Planetary Science Letters 416:21-34. DOI

Greenberger, R.N., Mustard, J.F., Cloutis, E.A., Pratt, L.M., Sauer, P.E., Mann, P., Turner, K. and Dyar, M.D. 2014. Understanding the nature of water-rock interactions in a serpentinizing system: Implications for planetary exploration and subsurface habitability, 2014 GSA Annual Meeting in Vancouver, British Columbia. Abstract

Carvajal-Ortiz, H. and Pratt, L.M. 2013. Influences of salinity and temperature on the stable isotopic composition of methane and hydrogen sulfide trapped in pressure-vessel hydrates. Geochimica et Cosmochimica Acta 118:72-84. DOI

Carvajal-Ortiz, H. and Pratt, L.M. 2013. Effects of clay minerals and biosurfactants on isotopic and molecular characteristics of methane encaged in pressure vessel gas hydrates. Organic Geochemistry 60:83-92. DOI

Young, S.A., Loukola-Ruskeeniemi, K. and Pratt, L.M. 2013. Reactions of hydrothermal solutions with organic matter in Paleoproterozoic black shales at Talvivaara, Finland: Evidence from multiple sulfur isotopes. Earth and Planetary Science Letters 367:1-14. DOI

Hardisty, D.S., Olyphant, G.A., Belle, J.B. Johnson, A.P. and Pratt, L.M. 2013. Acidophilic sulfur disproportionation.Geochimica et Cosmochimica Acta, 113:136-151. DOI

Szynkiewicz, A., Johnson, A.P., and Pratt, L.M. 2012. Sulfur species and biosignatures in Sulphur Springs, Valles Caldera, New Mexico-Implications for Mars astrobiology. Earth and Planetary Science Letters, 321:1-13, DOI

Silver, B.J., Raymond, R., Sigman, D.M., Prokopeko, M., Lollar, B.S., Lacrampe-Couloume, G., Fogel, M.L., Pratt, L.M. Lefticariu, L. and Onstott, T.C. 2012. The origin of NO3 and N2 in deep subsurface fracture water of South Africa. Chemical Geology 294:51-62. DOI

Johnson, A. and Pratt, L.M. 2010. Metal Catalyzed Degradation and Racemization of Amino Acids in Iron Sulfate Brines under Simulated Martian Surface Conditions. Icarus 207:124-132.

Szynkiewicz, A., Ewing, R.C., Moore, C.H., Glamoclija, M. B., Bustos, D. and Pratt, L.M. 2010. Origin of terrestrial gypsum dunes: Implications for Martian gypsum-rich dunes of Olympia Undae. Geomorpholgy 121:69-83.

Johnson, A.P. and Pratt, L.M. (2010) Metal-catalyzed degradation and racemization of amino acids in iron sulfate brines under simulated martian surface conditions. ICARUS, v. 207, p. 124-132.

Pratt, L.M., Allen, C., Allwood, A., Anbar, A., Atreya, S., Carr, M. Des Marais, D., Grant, J., Glavin, D., Hamilton, V., Herkenhoff, K., Hipkin, V., Lollar, B.S., McCollom, T., McEwen, A., McLennan, S., Milliken, R., Ming, D., Ori, G.G., Parnell, J., Poulet, F. and Westall, F. 2010. Mars Astrobiology Explorer-Cacher (MAX-C): A Potential Rover Mission for 2018. Astrobiology 10:127-163.

Finkelstein, D.B., Brassell, S.C. and Pratt, L.M. 2010. Microbial biosynthesis of wax esters during desiccation: Adaptation for colonization of the earliest terrestrial environments? Geology 38:247-250.

Szynkiewicz, A., Moore, C.H., Glamoclija, M. and Pratt, L.M. 2009. Sulfur isotope signatures in gypsiferous sediments of the Estancia and Tularosa Basins as indicators of sulfate sources, hydrological processes, and microbial activity, Geochimica et Cosmochimica Acta 73:6162-6186

Pratt, L.M., Allen, C., Allwood, A.C., Anbar, A., Atreya, S.K., Beaty, D.W., Carr, M.H., Crisp, J.A., Des Marais, D.J., Grant, J.A., Glavin, D.P., Hamilton, V.E., Herkenhoff, K., Hipkin, V., Sherwood Lollar, B., McCollom, T.M., McEwen, A.S., McLennan, S.M., Milliken,R.E., Ming, D.W., Ori, G.G., Parnell, J., Poulet, F., Salvo, C.G., Westall, F., Whetsel, C.W. and Wilson, M.G. 2009. Mars Astrobiology Explorer-Cacher: A potential rover mission for 2018, Final report from the Mid-Range Rover Science Analysis Group (MRR-SAG), 94 pp.. Mars Exploration Program Analysis Group (MEPAG) at website.

Ries, J.B., Fike, D.A., Pratt, L.M. Lyons, T.W. and Grotzinger, J.P. 2009. Superheavy pyrite (δ34Spyr > δ14S CAS) in the terminal Proterozoic Nama Group, southern Namibia: A consequence of low seawater sulfate at the dawn of animal life. Geology 37:743-746.

Davidson, M.M., Onstott, T.C., Bisher, M.E., Pratt, L.M., Fong, J., Southam, G. and Pfiffner, S. 2009. Sulfur Isotope Enrichment during Maintenance Metabolism in the Thermophilic Sulfate-Reducing Bacterium Desulfotomaculum putei. Applied and Environmental Microbiology.

West, L., McGown, D.J., Onstott, T.C., Morris, R.V., Suchecki, P. and Pratt, L.M. 2009. High Lake gossan deposit: An Arctic analogue for ancient Martian surficial processes? Planetary and Space Science 57:1302-1311.