Affiliate Assistant Professor
Interests: planetary geochemistry, thermodynamics of aqueous solutions, astrobiology
Research Groups: Planetary Sciences, Astrobiology, Planetary Surfaces
I am no longer accepting graduate students.
Early Earth Environments
Surface Processes on Mars
Mars Analog Environments
The Chemistry of Icy Moons
Toner, J. D. and D. C. Catling (2019), A carbonate-rich lake solution to the phosphate problem of the origin of life. Proceedings of the National Academy of Sciences, 1-6.
Toner, J. D. and D. C. Catling (2019), Alkaline lake settings for concentrated prebiotic cyanide and the origin of life, Geochimica et Cosmochimica Acta 260: 124-132.
Toner, J. D., et al. (2017), The geochemistry of Don Juan Pond: evidence for a deep groundwater flow system in Wright Valley, Antarctica, Earth and Planetary Science Letters 474: 190-197.
Toner, J. D., and D. C. Catling (2016), Water activities of NaClO4, Ca(ClO4)2, and Mg(ClO4)2 brines from experimental heat capacities: water activity >0.6 below 200 K, Geochimica et Cosmochimica Acta, 181, 164-174.
Toner, J. D., D. C. Catling, and B. Light (2014), The formation of supercooled brines, viscous liquids, and low temperature perchlorate glasses in aqueous solutions relevant to Mars, Icarus, 233, 36–47.
Toner, J. D., and R. S. Sletten (2013), The formation of Ca-Cl enriched groundwaters in the Dry Valleys of Antarctica by cation exchange reactions: Field measurements and modeling of reactive transport, Geochimica et Cosmochimica Acta, 110, 84–105.
Toner, J. D., R. S. Sletten, and M. L. Prentice (2013), Soluble salt accumulations in Taylor Valley, Antarctica: Implications for paleolakes and Ross Sea Ice Sheet dynamics, Journal of Geophysical Research, 118(1), 198-215.