Bridget F. Ayling
Bridget F. Ayling

Director, Great Basin Center for Geothermal Energy
Associate Professor

Nevada Bureau of Mines and Geology
Mackay School of Earth Sciences and Engineering
University of Nevada, Reno

Business telephone: (775) 682-8768
Fax: (775) 784-1709



• Ph.D. Australian National University, 2006
• B.Sc. Hons. Victoria University of Wellington, 2001

Areas of Expertise

• Environmental geochemistry, trace element and isotope
• Geothermal energy, hydrothermal and Engineered
Geothermal Systems (EGS)
• Unconventional petroleum
• Reservoir characterization, Mineralogical characterization
• Geochemical tracers
• Water-rock interaction

Professional Work Experience

• 2016–present: Associate Professor; Director—Great Basin Center for Geothermal Energy,
Nevada Bureau of Mines and Geology
• 2012–2016: Senior Geoscientist, Geoscience Australia
• 2010–2012: Visiting Geothermal Research Scientist, Energy and Geoscience Institute,
University of Utah
• 2007–2010: Geothermal Project Geologist, Geoscience Australia
• 2006–2007: Graduate Geologist, Geoscience Australia



• Geothermal Resources Council
• Society of Petroleum Engineers
• International Geothermal Association


Selected Publications

Wannamaker, P., Hill, G., Stodt, J., Maris, V., Ogawa, Y., Selway, K., Boren, G., Bertrand, E.,
Uhlmann, D., Ayling, B., Green, A.M., Feucht, D., 2017, Uplift of the central transantarctic
mountains. Nature Communications, v. 8, doi:10.1038/s41467-017-01577-2. Link
Ayling, B.F., Eggins, S., McCulloch, M.T., Chappell, J., Grün, R., Mortimer, G., 2017, Uranium
uptake history, open-system behaviour and uranium-series ages of fossil Tridacna gigas from
Huon Peninsula, Papua New Guinea. Geochimica et Cosmochimica Acta, v. 213,
p. 475–501. Link
Bailey, A., Tenthorey, E., Ayling, B., 2017, Characterising the present-day stress regime of the
Georgina Basin, Australian Journal of Earth Sciences, v. 64(1), p. 121–136. Link
Ayling, B., Huntington, J., Smith, B., Edwards, D., 2016, Hyperspectral logging of middle Cambrian
marine sediments with hydrocarbon prospectivity: a case study from the southern Georgina Basin,
northern Australia. Australian Journal of Earth Sciences, v. 63(8), p. 1069–1085. Link
Ayling, B.F., Hogarth, R.A., and Rose, P.E., 2016, Tracer testing at the Habanero EGS site, central
Australia. Geothermics, v. 63, p. 15–26. Link
Ayling, B.F., Chappell, J., Gagan, M.K., and McCulloch, M.T., 2015, ENSO variability during MIS
11 (424-374 ka) from Tridacna gigas at Huon Peninsula, Papua New Guinea. Earth and
 Planetary Science Letters
, v. 431, p. 236–246. Link
Ayling, B. and Moore, J., 2013, Fluid geochemistry at the Raft River geothermal field, Idaho,
USA: New data and hydrogeological implications. Geothermics, v.47, p. 116–126. Link
Gerner, E.J., Kirkby, A.L., and Ayling, B.F., 2012, Heat flow determinations for the
Australian continent: Release 4. Geoscience Australia Record 2012/75, 48 p. 
Welsh, K., Elliot, M., Tudhope, A., Ayling, B., Chappell, J., 2011, Giant bivalves (Tridacna gigas) as
recorders of ENSO variability. Earth and Planetary Science Letters, Vol. 307(3v4), p. 266–270. Link
Huston, D.L., Ayling, B.F., Connolly, D.P., Lewis, B., Mernagh, T.P., Schofield, A., van der Wielen, 
S.E.2010, An assessment of the uranium and geothermal potential of north Queensland. 
 Geoscience Australia Record 2010/014
, 108 p. Link
Andersen, M.B., Stirling, C.H., Potter, E.K., Halliday, A.N., Blake, S.G., McCulloch, M.T., Ayling, B.F.,
O’Leary, M., 2008, High-precision U-series measurements of more than 500,000 year old fossil 
corals. Earth and Planetary Science Letters, v. 265, p. 229–245. Link
Ayling, B.F., Chappell, J., McCulloch, M.T., Gagan, M.K., Elliot, M., 2006, High-resolution 
paleoclimate of the MIS 11 interglacial (423–360 ka) using geochemical proxies in giant Tridacna 
clams. Geochimica et Cosmochimica Acta, v. 70 (18) Suppl. 1, August-September 2006, A26. Link
Ayling, B.F., McCulloch, M.T., Gagan, M.K., Stirling, C.H., Andersen, M.B., Blake, S.G., 2006,
Sr/Ca and δ18O seasonality in a Porites coral from the MIS 9 (339–303 ka) interglacial. 
 Earth and Planetary Science Letters
, v. 248, p. 447–460. Link
Ayling, B.F., 2006, Fossilised giant clams give high fidelity climate records. Ecos, v. 132,
p. 8–11. Link
Ayling, B.F., McGowan, H., 2006, Niveo-eolian sediment deposits in coastal South Victoria
Land, Antarctica: indicators of regional wind variability in weather and climate. Arctic,
 Antarctic and Alpine Research, v. 38(3), p. 313–324. Link

Conference Abstracts and Papers

Rose, P.E., Moore, J.M., Bradford, J., Mella, M., Ayling, B., McLennan, J., 2017, Tracer Testing
to Characterize Hydraulic Stimulation Experiments at the Raft River EGS Demonstration Site.
 Geothermal Resources Council Transactions Link
Blake, K., Sabin, A., Lowry, T.S., Lazaro, M., Tiedman, A., Ayling, B., Arguello, R., Meade, D.,
2017, Hawthorne Army Depot: Update of geothermal exploration and direct use applications.
Geothermal Resources Council Transactions. Link
Ayling, B.F., 2016, The Great Basin Center for Geothermal Energy: Past, Present and Future.
 AAPG Pacific Section and Rocky Mountain Section Joint Meeting
, Las Vegas, Nevada,
October 2–5, 2016. Search and Discovery Article #80575. Link
Ayling, B., Tenthorey, E., and Bailey, A., 2016, Geomechanics, stress regime and mineralogy
of the Arthur Creek Formation and Thorntonia Limestone, southern Georgina Basin. Presented
at the Northern Territory Annual Geoscience Exploration Seminar, Alice Springs, Australia,
15–16th March, 2016. Link
Ayling, B., Edwards, D., Huntington, J., and Smith, B., 2015, Evaluation of Spectral Proxies in
Unconventional Hydrocarbon Plays: A Case Study from the Southern Georgina Basin, Australia.
Presented at the AAPG International Conference & Exhibition, Melbourne, Australia, September
13–16, 2015. Search and Discovery Article #90217 Link
Ayling, B.F., Hogarth, R.A., and Rose, P.E., 2015, Tracer testing at the Habanero EGS site, central
Australia. Proceedings of the 2015 World Geothermal Congress, Melbourne, Australia. Link
Ayling, B., Edwards, D., Smith, B., and Huntington, J., 2014, Integration of HyLogging data with 
geochemical, well log and biostratigraphic data in the Georgina Basin, Queensland and Northern
Territory, Australia. Annual Earth Sciences Convention, Newcastle, Australia, 6–19 July 2014.
Ayling, B., and Rose, P., 2013, Geochemical tracers: capabilities and potential for geothermal
reservoir characterisation. Proceedings of the 35th New Zealand Geothermal Workshop, 17–20
November 2013, Rotorua, New Zealand. Link
Leecaster, K., Ayling, B., Moffitt, G., and Rose, P., 2012, Use of Safranin-T as a reactive tracer for
geothermal reservoir characterization. Proceedings of the 37th Workshop on Geothermal Reservoir
Engineering, Stanford University, January 30–February 1st 2012. Link
Reimus, P., Williams, M., Vermeul, V., Rose, P., Leecaster, K., Ayling, B., Sanjuan, R., Ames, M.,
Dean, C., and Benoit, D., 2012, Use of Tracers to Interrogate Fracture Surface Area in Single-Well
Tracer Tests in EGS Systems. Proceedings of the 37th Workshop on Geothermal Reservoir
Engineering, Stanford University, January 30–February 1st 2012. Link
Ayling, B.F., Rose, P., Petty, S., Zemach, E., and Drakos, P., 2012, QEMSCAN® (Quantitative
Evaluation of Minerals by Scanning Electron Microscopy): Capability and application to fracture
characterization in geothermal systems. Proceedings of the 37th Workshop on Geothermal
Reservoir Engineering, Stanford University, January 30–February 1st 2012. Link
Ayling, B.F., Rose, P., and Petty, S., 2011, Using QEMSCAN® to characterize fracture
mineralization at the Newberry Volcano EGS Project, Oregon: a pilot study. Paper presented at
the 35th Geothermal Resources Council annual meeting, October 23–26, San Diego, USA. Link
Budd, A.R., Barnicoat, A.C., Ayling, B.F., Gerner, E.J., Meixner, A.J., and  Kirkby, A.M., 2009,
Establishing Geothermal Play Systems for 'Hot Rock' Exploration in Australia. Geothermal Resources
Council Transactions v. 33, p. 155–158. Link

Bottom border