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| Mark
Coolbaugh, Ph.D.
Research Assistant Professor
Great Basin Center for Geothermal Energy /
Arthur Brant Laboratory for Exploration Geophysics
Department of Geological Sciences,
MS 172
University of Nevada, Reno
Reno, NV 89557-0138
e-mail: cool.78@alum.mines.edu
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Education
- Ph. D., GIS and Remote Sensing Geology, December 2003
- University of Nevada, Reno, Mackay School of Mines, Reno,
Nevada
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- M. S., Geological Engineering, 1985
- University of Arizona, College of Mines, Tucson, Arizona
- B. S., Geological Engineering, 1978
- Colorado School of Mines, Golden, Colorado
Current Research
- Regional Assessment of Exploration Potential
for Geothermal Systems in Nevada using a Geographic Information
System (GIS).
Collaborators: James V. Taranik, Mark F. Coolbaugh, Gary L. Raines,
Lisa A. Shevenell, Don L. Sawatzky, Tim B. Minor, and Richard Bedell.
Funded by DOE.
- A geographic information system (GIS) is being
used to integrate diverse types of geologic, chemical, and physical
information to predict where high-temperature geothermal systems
are most likely to occur in the Great Basin of western North America.
Spatial analysis using weights-of-evidence and logistic regression
is being used to quantify relationships between geothermal systems
and the map data and clarify the conditions necessary for the
formation of high-temperature geothermal systems.
- Testing unique surface identifiers for geothermal
site characterization from remote sensing imagery.
Collaborators: Wendy Calvin and Mark F. Coolbaugh: funded by DOE.
- Hyperspectral and multispectral remote sensing,
in the visible, near-infrared, and thermal infrared ranges,
is being used to identify anomalous surface features related
to active geothermal systems. These features include areas
of high heat flow (thermal anomalies), diagnostic rocks (sinter
and evaporite assemblages), hydrothermal alteration (alunite
and clay minerals), and vegetation anomalies.
- Geochemical Characterization of Magmatic-related
vs. Extension-related Geothermal Systems in the Great Basin:
Implications for Exploration, Exploitation, and Environmental
Issues.
Collaborators: Greg B. Arehart, Mark F. Coolbaugh, and Simon
R. Poulson: funded by DOE.
- This research will identify the distinguishing
chemical characteristics of magmatic and extensional geothermal
systems, and relate those differences to differences in host
rock lithologies, magma compositions, or other physical and
chemical parameters. The significance those differences have
for exploration, exploitation, and effects on the environment
is being reviewed.
- Targeting of potential geothermal resources
in the Great Basin from regional relationships between geodetic
strain and geological structures. Collaborators: Geoff
Blewitt and Mark F. Coolbaugh: funded by DOE.
- The ability of GPS-based measurements of geodetic
strain to identify zones of crustal extension, and the role
those zones of extension play in controlling geothermal activity,
is being investigated. The Quaternary structural fabric of Nevada
is being used to help constrain the mode and location of strain.
- Arehart, G.B., Coolbaugh, M.F., and Poulson, S.R., 2002,
- Geochemical characterization of geothermal systems in
the Great Basin: implications for exploration, exploitation,
and environmental issues: Proceedings, Annual Meeting,
Reno, NV., Sept. 22-25, 2002, Geothermal Resources Council
Transactions, v. 26, p. 479-481.
- Blewitt, G., Coolbaugh, M.F., Holt, W., Kreemer, C., Davis,
J.L., and Bennett, R.A., 2002,
- Targeting of potential geothermal resources in the Great
Basin from regional relationships between geodetic strain
and geological structures: Proceedings, Annual Meeting,
Reno, NV., Sept. 22-25, 2002, Geothermal Resources Council
Transactions, v. 26, p. 523-525.
- Calvin, W., Coolbaugh, M., and Vaughan, R.G., 2002,
- Geothermal site characterization using multi- and hyperspectral
imagery: Proceedings, Annual Meeting, Reno, NV., Sept.
22-25, 2002, Geothermal Resources Council Transactions, v.
26, p. 483-484.
- Coolbaugh, M.F. and Bedell, R., 2003,
- A Simplification of weights of evidence using a density
function and fuzzy distributions: a comparison of probability
modeling techniques in the designation of geothermal systems
in Nevada; Geol. Assoc. Canada Special Volume "GIS
applications in the Earth Sciences", in press.
- Coolbaugh, M. F., Gustin, M. S., and Rytuba, J. J., 2002,
- Annual Emissions of Mercury to the Atmosphere From Three
Natural Source Areas in Nevada and California: Environmental
Geology, v. 42, n. 4., p. 338-349.
- Coolbaugh, M.F., Taranik, J.V., Raines, G.L., Shevenell,
L.A., Sawatzky, D.L., Minor, T.B., and
Bedell, R., 2002,
- A geothermal GIS for Nevada: defining regional controls
and favorable exploration terrains for extensional geothermal
systems; Proceedings, Annual Meeting, Reno, NV., Sept.
22-25, 2002, Geothermal Resources Council Transactions, v.
26, p. 485-490.
- Coolbaugh, M., Raines, G., and Shevenell, L., 2002
- Regional controls on the distribution of geothermal systems
in Nevada: Workshop, Geothermal Opportunities in Nevada”
Jan. 11, 2002, University of Nevada, Reno, USA: (Powerpoint
talk posted at: http://www.unr.edu/geothermal/meetings_pres.html
- Coolbaugh, M. F., Taranik, J. V., and Kruse, F. A., 2000
- Mapping of surface geothermal anomalies at Steamboat
Springs, NV. using NASA Thermal Infrared Multispectral Scanner
(TIMS) and Advanced Visible and Infrared Imaging Spectrometer
(AVIRIS) Data; In: Proceedings, 14th Thematic Conference,
Applied Geologic Remote Sensing, Environmental Research
Institute of Michigan (ERIM), Ann Arbor, MI., p. 623-630.
- Coolbaugh, M. F. and Stanley, C. R., 1996
- A lithogeochemical evaluation of feldspar hydrolysis,
decarbonatization and jasperoid alteration from the Jerritt
Canyon district, Nevada, using Pearce element ratio analysis;
Technical Document #11, MDRU Lithogeochemical Exploration
Research Project, Annual Technical Report, year 1, Dept. of
Geol. Sciences, University of British Columbia.
- Gray, J. E., and Coolbaugh, M. F., 1994
- Geology and geochemistry of Summitville, Colorado: An
epithermal acid sulfate deposit in a volcanic dome: Economic
Geology, Special Issue on Volcanic Centers as Targets
for Mineral Exploration, v. 89, no. 8, p. 1906-1923.
- Gray, J. E., Coolbaugh, M.F., Plumlee, G. S., and Atkinson,
W. W., 1994
- Environmental geology of the Summitville Mine, Colorado:
Economic Geology, Special Issue on Volcanic Centers as Targets
for Mineral Exploration, v. 89, no. 8, p. 2006-2014.
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- Gustin, M. S., Lindberg, S. E., Austin, K, Coolbaugh, M.,
Vette, A., and Zhang, H., 2000
- Assessing the contribution of natural sources to regional
atmospheric mercury budgets: Science of the Total Environment,
v. 259, p. 61-71.
Updated: October, 2002
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