West, L., D.J. McGown, T.C. Onstott, R.V. Morris, P. Suchecki, and L.M. Pratt. 2009. “High Lake Gossan Deposit: An Arctic Analogue for Ancient Martian Surficial Processes?”. Planetary and Space Science 57: 1302-11. doi:10.1016/j.pss.2009.05.011.

Pfiffner, S.M., T.C. Onstott, T. Ruskeeniemi, M. Talikka, C. Bakermans, D. McGown, E. Chan, et al. 2008. “Challenges for Coring Deep Permafrost on Earth and Mars”. Astrobiology 8: 623-38. doi:10.1089/ast.2007.0159.

Pfiffner, S.M., T.C. Onstott, T. Ruskeeniemi, M. Talikka, C. Bakermans, D. McGown, E. Chan, et al. 2008. “Challenges for Coring Deep Permafrost on Earth and Mars”. Astrobiology 8: 623-38. doi:10.1089/ast.2007.0159.

Moser, D.P., T.M. Gihring, F.J. Brockman, J.K. Fredrickson, D.L. Balkwill, M.E. Dollhopf, B.S. Lollar, et al. 2005. “Desulfotomaculum and Methanobacterium Spp. Dominate a 4- to 5-Kilometer-Deep Fault”. Applied and Environmental Microbiology 71: 8773-83. doi:10.1128/AEM.71.12.8773-8783.2005.

Hall, J.A., B.J. Mailloux, T.C. Onstott, T.D. Scheibe, M.E. Fuller, H. Dong, and M.F. DeFlaun. 2005. “Physical Versus Chemical Effects on Bacterial and Bromide Transport As Determined from on Site Sediment Column Pulse Experiments”. Journal of Contaminant Hydrology 76: 295-314. doi:10.1016/j.jconhyd.2004.11.003.

Baker, B.J., D.P. Moser, B.J. MacGregor, S. Fishbain, M. Wagner, N.K. Fry, B. Jackson, et al. 2003. “Related Assemblages of Sulphate-Reducing Bacteria Associated With Ultradeep Gold Mines of South Africa and Deep Basalt Aquifers of Washington State”. Environmental Microbiology 5: 267-77. doi:10.1046/j.1462-2920.2003.00408.x.

Stackhouse, B., M.C.Y. Lau, T. Vishnivetskaya, N. Burton, R. Wang, A. Southworth, L. Whyte, and T.C. Onstott. 2017. “Atmospheric CH4 Oxidation by Arctic Permafrost and Mineral Cryosols As a Function of Water Saturation and Temperature”. Geobiology 15: 94-111. doi:10.1111/gbi.12193.

Borgonie, G., B. Linage-Alvarez, A.O. Ojo, S.O.C. Mundle, L.B. Freese, C. Van Rooyen, O. Kuloyo, et al. 2015. “Eukaryotic Opportunists Dominate the Deep-Subsurface Biosphere in South Africa”. Nature Communications 6. doi:10.1038/ncomms9952.

Borgonie, G., B. Linage-Alvarez, A.O. Ojo, S.O.C. Mundle, L.B. Freese, C. Van Rooyen, O. Kuloyo, et al. 2015. “Eukaryotic Opportunists Dominate the Deep-Subsurface Biosphere in South Africa”. Nature Communications 6. doi:10.1038/ncomms9952.

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.

Borgonie, G., A. García-Moyano, D. Litthauer, W. Bert, A. Bester, E. van Heerden, C. Möller, M. Erasmus, and T.C. Onstott. 2011. “Nematoda from the Terrestrial Deep Subsurface of South Africa”. Nature 474: 79-82. doi:10.1038/nature09974.

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.

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.

Onstott, T.C., D.J. McGown, C. Bakermans, T. Ruskeeniemi, L. Ahonen, J. Telling, B. Soffientino, et al. 2009. “Microbial Communities in Subpermafrost Saline Fracture Water at the Lupin Au Mine, Nunavut, Canada”. Microbial Ecology 58: 786-807. doi:10.1007/s00248-009-9553-5.

Onstott, T.C., D.J. McGown, C. Bakermans, T. Ruskeeniemi, L. Ahonen, J. Telling, B. Soffientino, et al. 2009. “Microbial Communities in Subpermafrost Saline Fracture Water at the Lupin Au Mine, Nunavut, Canada”. Microbial Ecology 58: 786-807. doi:10.1007/s00248-009-9553-5.