Home Address:
5910 El Mio Dr.
Los Angeles, CA 90042 MS 230-235
(213) 258-1022
Work Address:
Jet Propulsion Laboratory
MS 230-235
4800 Oak Grove Dr.
Pasadena, CA 91109
e-mail: nathan.bridges@jpl.nasa.gov
(818) 393-7799 (office)
(818) 393-1227 (fax)
University of Massachusetts,
Amherst, MA 01003 (1993-1997 )
Doctorate of philosophy (1997)
Major - Geology
Dissertation - "The origin of Venusian steep-sided
domes"
Areas of specialization: planetary geology, volcanology,
igneous petrology, remote sensing, and geophysics.
Arizona State University,
Tempe, AZ 85287-1404 (1989-1992)
Master of science (1992)
Major - Geology
Thesis - "Laboratory studies of lava domes"
Areas of specialization: planetary geology, volcanology,
remote sensing, and geophysics.
University of Colorado,
Boulder, CO 80309 (1985-1989)
Bachelor of Arts (1989)
Major - Geology
Postdoctoral Scholar,
Jet Propulsion Laboratory, MS 230-235, 4800 Oak Grove Dr., Pasadena,
CA 91109
(March, 1997-present)
1) Working with Dr. Matthew Golombek supporting planning,
operations, and science data analysis for the Mars Pathfinder
project,
2) Continuing studies of Venus, the seafloor, and terrestrial
volcanology begun in graduate school.
Research Assistant, University
of Massachusetts, Department of Geosciences, Amherst, MA 01003
(September 1993-March, 1997 )
1) Worked with Dr. George McGill studying Venusian
and seafloor volcanology, 2) Worked with Dr. Sheila Seaman on
mapping and petrology of volcanic rocks.
Teaching Assistant, University
of Massachusetts, Department of Geosciences, Amherst, MA 01003
(September 1994 - December 1994)
Taught introductory mineralogy laboratory. The class
covered crystallography, mineral classification and identification,
and phase diagrams.
Geologist, US. Geological
Survey, MS 946, 345 Middlefield Rd., Menlo Park, CA 94025
(January 1992 - June 1993)
Worked with Dr. Michael H. Carr on lunar and Martian
studies. Projects included analysis of Viking thermal inertia
and Galileo SSI data and computer programming.
Research Assistant, Arizona
State University, Department of Geology, Tempe, AZ 85287-1404
(May 1990-August 1990, January 1991 - January 1992)
Worked with Dr. Jonathan Fink on setting up a laboratory
for lava flow simulations, analyzing results from previous laboratory
studies, studying terrestrial and planetary lava domes, conducting
experiments to simulate lava dome eruptions, and presenting results
at the 1990, 1991, and 1992 Lunar and Planetary Science Conference
meetings.
Teaching Assistant, Arizona
State University, Department of Geology, Tempe, AZ 85287-1404
(August 1989-May 1990, August 1990-December 1990,
August 1991-December 1991)
Taught a total of three sections of introductory
geology lab. The class covered mineral and rock identification,
the reading of geologic maps and cross-sections, structural geology,
geomorphology, plate tectonics, seismology, and field geology.
Also assisted in the organization of department colloquia.
Student Researcher, University
of Colorado, Laboratory for Atmospheric and Space Physics, Boulder,
CO 80309
(November 1988-August 1989).
Worked with Dr. Steven W. Lee reducing and interpreting
Viking infrared thermal mapper data. Work required learning how
to use the IRTM data set and associated computer hardware.
Student Summer Intern,
Lunar and Planetary Institute, Houston, TX 77058
(June 1988-August
1988)
Worked with Dr. Nadine Barlow examining Martian fluidized
ejecta morphology.
Technician, lecturer, instructor,
University of Colorado, Fiske Planetarium, Boulder, CO 80309-0408
(August 1985-May 1986, August 1986-May 1988, August 1988-August
1989).
Did a variety of work required to run a planetarium.
Gained experience in teaching and operating and repairing complex
machinery.
Student Intern, United
States Geological Survey, Menlo Park, CA 94025
(June 1984-September
1984)
As a high school student, worked for Dr. Henry J.
Moore mapping and interpreting the distribution of rocks and other
features around the Viking 1 landing site.
Selected as Caltech Postdoctoral Scholar 1997
Outstanding Employee Award at US Geological Survey 1993
Dwornik Best Student Paper Award at Lunar and Planetary Science Conference 1992
Sigma Gamma Epsilon Geology Student Honor Society 1990-1992
University of Colorado Travel Grant to Lunar and Planetary Science Conference 1989
Honorable Mention in Hughes/Griffith Observer Science Writing Contest 1988
Selected as Lunar and Planetary Institute Summer Intern 1988
Rotary Club Scholarship 1985-1986
Bridges, N.T. 1992. The Effective Particle Size
of Martian Fines With Elevation Dependent Corrections. 24th Annual
DPS Meeting Abstracts, p. 986.
Bridges, N.T. 1992. Thermal Inertia-Derived Particle
Size of Martian Fines With Elevation-Dependent Corrections: Implications
for Tharsis. Eos, Transactions, American Geophysical Union
1992 Fall Meeting, p. 323.
Bridges, N.T. 1993. Martian Particle Size Based
on Thermal Inertia Corrected For Elevation-Dependent Atmospheric
Properties. Lunar and Planetary Science XXIV, p. 189 - 190.
Bridges, N.T. 1994. Pancake Domes on Venus and
the Seafloor. Lunar and Planetary Science XXV, p. 169-170.
Bridges, N.T. 1995. Ambient Effects of Basalts
and Rhyolites on Venus and Earth. Lunar and Planetary Science
XXVI, p. 173-174.
Bridges, N.T. 1997. Volatile Exsolution From Venusian
Lavas: Insights From Subaerial and Subaqueous Environments. Geological
Society of America, Fall 1997 meeting.
Bridges, N.T. and Barlow, N.G. 1989. Variation
of Martian Rampart Ejecta Lobateness in Comparison to Latitude,
Longitude, Terrain, and Crater Diameter. Lunar and Planetary
Science XX, p. 105 - 106.
Bridges, N.T. and Fink, J.H. 1992. Aspect Ratios
of Lava Domes on the Earth, Moon, and Venus. Lunar and Planetary
Science XXIII, p. 159-160.
Bridges, N.T., Fink, J.H., and Griffiths, R.W. 1991.
The Effects of Cooling on Lava Dome Morphology. Lunar and Planetary
Science XXII, p. 137 - 138.
Bridges, N.T. and McGill, G.E. 1996. Formation
and Modification Ages of Some Steep-sided Domes on Venus. Lunar
and Planetary Science XXVII, p. 165-166.
Bridges, N.T. and McGill, G.E. 1996. Geologic and
Tectonic History of Kaiwan Fluctus Quadrangle (V44), Venus. Geological
Society of America, Fall 1996 meeting.
Bridges, N.T. and McGill, G.E. 1997. Heights of
Venusian Steep-sided Domes. Lunar and Planetary Science XXVIII.
Bridges, N.T. and Seaman, S.J. 1995. Magma Mingling
and Effusive Volcanism in the Tumacacori Mountains, Arizona.
Eos, Transactions, American Geophysical Union 1995 Fall Meeting,
p. 665.
Fink, J.H. and Bridges, N.T. 1990. Predicting Extra-terrestrial
Lava Flow Morphology. Lunar and Planetary Science XXI, p. 363
- 364.
Fink, J.H. and Bridges, N.T. 1990. Predicting Extra-terrestrial
Lava Flow Morphology. Reports of the Planetary Geology and Geophysics
Program-1989, NASA Technical Memorandum 4210, p. 414 - 415.
Fink, J.H., Bridges, N.T., and Griffiths, R.W. 1991.
Factors Controlling Lava Dome Morphology. Reports of the Planetary
Geology and Geophysics Program-1990, NASA Technical Memorandum
4306 p. 172 - 173.
Fink, J.H., Grimm, R.E., Kieffer, S.W. and Bridges,
N.T. 1993. Explosion Pits, Slump Deposits and Overall Shapes
of Venusian Pancake Domes Suggest Silicic Compositions. Eos, Transactions,
American Geophysical Union 1993 Spring Meeting, p. 190.
Head, J.W., Belton, M., Greeley, R., Pieters, C.,
Fischer, E., Sunshine, J., Klaasen, K., McEwen, A., Becker, T.,
Neukum, G., Oberst, J., Pilcher, C., Plutchak, J., Robinson, M.,
Johnson, T., Williams, D., Kadel, S., Sullivan, R., Antonenko,
I., Bridges, N., and the Galileo Imaging Team. 1993. Lunar Impact
Basins: New Data for the Nearside Northern High Latitudes and
Eastern Limb From the Second Galileo Flyby. Lunar and Planetary
Science XXIV, p. 623 - 624.
Head, J.W., Pieters, C., Fischer, E., Sunshine, J.,
Antonenko, I., Mustard, J., Greeley, R., Bridges, N., and Neukum,
G. 1993. Impact Basin Deposits in the Lunar Nearside Northern
High Latitudes: Galileo Earth-Moon 2 Encounter Results. Eos, Transactions,
American Geophysical Union 1993 Spring Meeting,.
Lee, S.W., Clancy, R.T. and Bridges, N.T. 1989.
Mars: Regional Photometric Studies From the Viking Orbiter IRTM.
21st Annual DPS Meeting, Bulletin of the American Astronomical
Society, vol. 21, no. 3, p. 956.
Rice, J.W., Williams, D.A., and Bridges, N.T. 1990.
Assessment and Selection of Martian Penetrator and Balloon Sites.
Case for Mars IV Abstracts, p. 51-52.
Zimbelman, J.R. and Bridges, N.T. 1997. Properties
of Venusian Lava Flows Estimated From Geologic Mapping and Terrestrial
Analogs. Geological Society of America, Fall 1997 meeting
Bridges, N.T. 1988. The Moons of Mars: History,
Discovery, and Exploration. Griffith Observer, vol. 52,
p. 2 - 10.
Bridges, N.T. 1994. Elevation-Corrected Thermal
Inertia and Derived Particle Size on Mars and Implications For
the Tharsis Montes. Geophysical Research Letters, vol.
21, p. 785-788.
Bridges, N.T. 1995. Submarine Analogs to Venusian
Pancake Domes. Geophysical Research Letters, vol. 22,
p. 2781-2784.
Bridges, N.T. 1997. Ambient Effects on Basalt and
Rhyolite Lavas Under Venusian, Subaerial, and Subaqueous Conditions.
Journal of Geophysical Research, vol. 102, p. 9243-9255.
Bridges, N.T. 1997. Characteristics of Seamounts
Near Hawaii as Viewed by GLORIA. Marine Geology,
vol. 138, p.273-301.
Fink, J.H. and Bridges, N.T. 1995. Effects of Eruption
Growth and Cooling Rate on Lava Dome Growth. Bulletin of Volcanology,
vol. 57, p. 229-239.
Fink, J.H., Bridges, N.T., and Grimm, R.E. 1993.
Shapes of Venusian "Pancake" Domes Imply Episodic Emplacement
and Silicic Compositions. Geophysical Research Letters,
vol. 20, p. 261-264.
Planetary Society Member 1980-Present
American Geophysical Union Member 1988-Present
President, Arizona State University Geology Club 1990-1991
Mineralogical Society of America Member 1995-Present
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