James E. Faulds
James E. Faulds

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

Business telephone: (775) 682-8751
FAX: (775) 784-1709
E-mail: jfaulds@unr.edu

 
Education

Ph.D. University of New Mexico, 1989
M.S. University of Arizona, 1986
B.S. University of Montana, highest honors, 1981

Areas of Expertise

Geologic mapping
Structural geology
Tectonics
Paleomagnetism
Geothermal Activity –Great Basin, USA, and western Turkey,
http://www.unr.edu/geothermal/meetings_pres.html

 
Professional Experience

1997–present, Research Professor, Nevada Bureau of Mines and Geology and Department of Geological
  Sciences and Engineering, University of Nevada, Reno
2008 (January–August) – Le Studium Fellow at the BRGM (French Geological Survey), Orléans, France
2000–2005, Director, UNR Geology Summer Field Camp
1992–1997, Assistant Professor, University of Iowa
1991–1992, Visiting Assistant Professor, University of Iowa
1990–1991, Post-doctoral Research Associate, University of Southern California
1989–1990, Post-doctoral Research Associate, University of Nevada, Las Vegas

 

Major Ongoing Projects

Neogene evolution of the northern Walker Lane: An evolving transform plate boundary (NSF and USGS-
  statemap funded).
Structural controls on geothermal fields in the northern Great Basin (DOE and industry funded).
Magmatic-extensional relations in the northern Colorado River extensional corridor, southern Nevada and
  northwest Arizona (NSF and USGS-statemap funded)
Geologic mapping in Clark County, Nevada (BLM funded).
Evolution of the Searchlight mining district, southern Nevada (NSF and USGS funded).
Cenozoic evaporite deposits in the Basin and Range province – Paleogeographic implications.


Publications


Books

Ehni, W., and Faulds, J., 2002, editors, Detachment and attenuation in eastern Nevada and its application to petroleum exploration: Nevada Petroleum Society 2002 Field Trip Guidebook, 163 p.

Erskine, M.C., Faulds, J.E., Bartley, J.M., and Rowley, P.D., eds., 2001, The geologic transition, High Plateaus to Great Basin - A symposium and field guide: The Mackin volume: Pacific Section of the American Association of Petroleum Geologists Publication GB 78 (also Utah Geological Association Publication 30), 430 p.

Faulds, J.E., editor, 1999, Cenozoic geology of the northern Colorado River extensional corridor, southern Nevada and northwestern Arizona: Economic implications of regional segmentation structures: Nevada Petroleum Society Field Trip Guidebook, 183 p.

Faulds, J.E., and Stewart, J.H., editors, 1998, Transfer zones and accommodation zones: The regional segmentation of the Basin and Range province: Geological Society of America Special Paper 323, 257 p.

Articles (arranged by subject)

Neogene evolution of the northern Walker Lane: An evolving transform plate boundary

Hinz, N.H., Faulds, J.E., and Henry, C.D., 2009, Tertiary volcanic stratigraphy and paleotopography of the Diamond and Fort Sage Mountains – Constraining slip along the Honey Lake fault zone in the northern Walker Lane, northeastern California and western Nevada, in Oldow, J.S., and Cashman, P., eds., Late Cenozoic structure and evolution of the Great Basin-Sierra Nevada transition: Geological Society of America Special Paper 447, p. 101-132, doi:10.1130/2009.2447 (07). 

Cashman, P.H., Trexler, J.H., Jr., Muntean, T.W., Faulds, J., Louie, J., and Oppliger, G., 2009, Neogene tectonic evolution of the Sierra Nevada – Basin and Range transition zone at the latitude of Carson City, Nevada, in Oldow, J.S., and Cashman, P., eds., Late Cenozoic structure and evolution of the Great Basin-Sierra Nevada transition: Geological Society of America Special Paper 447, p. 171-188, doi:10.1130/2009.2447 (10).

Faulds, J.E., and Henry, C.D., 2008, Tectonic influences on the spatial and temporal evolution of the Walker Lane: An incipient transform fault along the evolving Pacific – North American plate boundary, in Spencer, J.E., and Titley, S.R., eds., Ores and orogenesis: Circum-Pacific tectonics, geologic evolution, and ore deposits: Arizona Geological Society Digest 22, p. 437-470. Click here for PDF file

Henry, C.D., Faulds, J.E., and dePolo, C.M., 2007, Geometry and timing of strike-slip and normal faults in the northern Walker Lane, northwestern Nevada and northeastern California: Strain partitioning or sequential extensional and strike-slip deformation? in Exhumation associated with continental strike-slip fault systems, Till, A.B., Roeske, S., and Sample, J., eds.: Geological Society of America Special Paper 434.

Faulds, J.E., Henry, C.D., and Hinz, N.H., 2005, Kinematics of the northern Walker Lane: An incipient transform fault along the Pacific – North American plate boundary: Geology, v. 33, no. 6, p. 505-508. Click here for PDF file

Faulds, J.E., Henry, C.D., Hinz, N.H., Drakos, P.S., and Delwiche, B., 2005, Transect Across the Northern Walker Lane, Northwest Nevada and Northeast California: An Incipient Transform Fault Along the Pacific – North American Plate Boundary, in Pederson, J., and Dehler, C.M., eds., Interior western United States: Geological Society of America Field Guide 6, p. 129-150, doi:10.1130/2005.fld006(06).

Geothermal Acitivity: Structural Controls on geothermal systems in the western USA and western Turkey

Faulds, J.E., Coolbaugh, M., Bouchot, V., Moeck, I., and Oguz, K., 2010, Characterizing structural controls of geothermal reservoirs in the Basin and Range, USA, and western Turkey: Developing successful exploration strategies in extended terranes: Proceedings of the World Geothermal Congress, Bali, Indonesia, 25-29 April 2010, in press.

Bruhn, D., Manzella, A., Vuataz, I., Faulds, J., Moeck, I., and Erbas, K., 2010, Chapter 2: Exploration Methods, in Huenges, E., ed., Geothermal Energy Systems: WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, Germany, ISBN: 978-3-527-40831-3, p. 37-113.

Faulds, J.E., Bouchot, V., Moeck, I., and Oguz, K., 2009, Structural controls of geothermal systems in western Turkey: A preliminary report: Geothermal Resources Council Transactions, v. 33, p. 375-383. Click here for PDF file

Faulds, J.E., Coolbaugh, M., Bouchot, V., and Moeck, I., 2009, Structural Controls of Geothermal Reservoirs in Extensional Tectonic Settings: Developing Successful Exploration Strategies, in Huenges E. and Bruhn D., eds., Conference Contributions of the I-GET Final Conference, 23-24 February 2009, Potsdam, Germany, p. 51-53.

Faulds, J.E. and Melosh, G., 2008, A Preliminary Structural Model for the Blue Mountain Geothermal Field, Humboldt County, Nevada: Geothermal Resources Council Transactions, v. 32, p. 273-278. Click here for PDF file

Hinz, N.H., Faulds, J.E., Oppliger, G.L., 2008, Structural controls of Lee-Allen Hot Springs, southern Churchill County, western Nevada: A small pull-apart in the dextral shear zone of the Walker Lane: Geothermal Resources Council Transactions, v. 32, p. 285-290.

Shevenell, L., Coolbaugh M., Sladek C., Zehner R., Kratt C., Faulds J., Penfield R., and Delwiche B., Our Evolving Knowledge of Nevada’s Geothermal Resource Potential: Geothermal Resources Council Transactions, v. 32, p. 169-174.

Coolbaugh, M.F., Faulds, J.E., Kratt, C., Oppliger, G.L., Shevenell, L., Calvin, W.M., Ehni, W.J., and Zehner, R.E., 2007, Geothermal potential of the Pyramid Lake Paiute Reservation, Nevada, USA: Evidence of previously unrecognized moderate-temperature (150-170°C) geothermal systems: Geothermal Resources Council Geothermal Bulletin, v. 36, no. 3, p. 25-33. [I provided cover photo for this issue.]

Vice, G.S., Faulds, J.E., Ehni, W.J., and Coolbaugh, M.F., 2007, Structural controls of a blind geothermal system in the northern Pyramid Lake area, northwestern Nevada: Geothermal Resources Council Transactions, v. 31, p. 133-137.

Coolbaugh, M.F., Sladek, C., Faulds, J.E., Zehner, R.E., and Oppliger, G.L., 2007, Use of rapid temperature measurements at a 2-meter depth to augment deeper temperature gradient drilling: Proceedings, 32nd Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, CA, Jan. 22-24, 2007, p. 109-116.

Faulds, J.E., Coolbaugh, M.F., Vice, G.S., and Edwards, M.L., 2006, Characterizing Structural Controls of Geothermal Fields in the Northwestern Great Basin: A Progress Report: Geothermal Resources Council Transactions, v. 30, p. 69-76. Click here for PDF file

Coolbaugh, M.F., Faulds, J.E., Kratt, C., Oppliger, G.L., Shevenell, L., Calvin, W., Ehni, W.J., and Zehner, R.E., 2006, Geothermal potential of the Pyramid Lake Paiute Indian Reservation, Nevada, USA: Evidence of previously unrecognized moderate temperature (150-170°C) geothermal systems: Geothermal Resources Council Transactions, v. 30, p. 59-68.

Coolbaugh, M.F., Sladek, C., Kratt, C., Shevenell, L., and Faulds, J., 2006, Surface indicators of geothermal activity at Salt Wells, Nevada, USA, including warm ground, borate deposits, and siliceous alteration: Geothermal Resources Council Transactions, v. 30, p. 399-406.

Faulds, J.E., Henry, C.D., Coolbaugh, M.F., Garside, L.J., and Castor, S.B., 2005, Late Cenozoic Strain Field and Tectonic Setting of the Northwestern Great Basin, Western USA: Implications for Geothermal Activity and Mineralization: Geological Society of Nevada Symposium, p. 1091-1104.

Coolbaugh, M.F., Arehart, G.B., Faulds, J.E., and Garside, L.J., 2005, Geothermal systems in the Great Basin, western United States: Modern analogues to the roles of magmatism, structure, and regional tectonics in the formation of gold deposits: Geological Society of Nevada Symposium, p. 1063-1082.

Shevenell, L., Coolbaugh, M., Faulds, J., Oppliger, G., Calvin, W., Blewitt, G., Kratt, C., Arehart, G., Sladek, C., Lechler, P., Garside, L., and Zehner, R., 2005, Accomplishments of the Great Basin Center for Geothermal Energy: Geological Society of Nevada Symposium, p. 1131-1146.

Faulds, J.E., Henry, C.D., Coolbaugh, M.F., and Garside, L.J., 2005, Influence of the late Cenozoic strain field and tectonic setting on geothermal activity and mineralization in the northwestern Great Basin: Geothermal Resources Council Transactions, v. 29, p. 353-358.

Coolbaugh, M.F., Arehart, G.B., Faulds, J.E., Garside, L.J., and Shevenell, L.A., 2005, Active geothermal systems and associated gold deposits in the Great Basin: Geothermal Resources Council Transactions, v. 29, p. 215-222.

Faulds, J.E., Coolbaugh, M., Blewitt, G., and Henry, C.D., 2004, Why is Nevada in hot water? Structural controls and tectonic model of geothermal systems in the northwestern Great Basin: Geothermal Resources Council Transactions, p. 649-654.

Shevenell, L., Coolbaugh, M., Faulds, J., Oppliger, G., Calvin, W., Louie, J., Blewitt, G., Kratt, C., Arehart, G., Sladek, C., Lechler, P., and Garside, L., 2004. Accomplishments at the Great Basin Center for Geothermal Energy. Geothermal Resources Council Transactions, v. 28: 47-52.

Faulds, J.E., Garside, L.J., and Oppliger, G.L., 2003, Structural analysis of the Desert Peak-Brady geothermal fields, northwestern Nevada: Implications for understanding linkages between northeast-trending structures and geothermal reservoirs in the Humboldt structural zone: Geothermal Resources Council Transactions, v. 27, p. 859-864.

Faulds, J.E., Garside, L.J., and Oppliger, G.L., 2003, Stratigraphic and structural framework of the northern Hot Springs Mountains, Desert Peak and Brady geothermal fields, northwestern Nevada, in Foster, S., ed., Oil, gas, and geothermal occurrences in northwestern Nevada: Nevada Petroleum Society 2003 Field Trip Guidebook, p. 31-38.

Faulds, J.E., Garside, L., Johnson, G., Muehlberg, J., and Oppliger, G.L., 2002, Geologic setting and preliminary analysis of the Desert Peak – Brady geothermal field, western Nevada: Transactions Geothermal Resource Council, v. 26, p. 491-494.

Northern Colorado River extensional corridor: Structural Evolution and Relations between magmatism and extension

Faulds, J.E., Price, L.M., Snee, L.W., and Gans, P.B., 2010, A chronicle of Miocene extension near the Colorado Plateau-Basin and Range boundary, southern White Hills, northwestern Arizona: Paleogeographic and tectonic Implications, in Umhoefer, P.J., Beard, L.S., and Lamb, M.A., eds., Miocene tectonics of the Lake Mead Region, central Basin and Range: Geological Society of America Special Paper 463, p. XXX–XXX, doi: 10.1130/2010.2463(05), in press.

Duebendorfer, E.M., Faulds, J.E., and Fryxell, J.E., 2010, The South Virgin-White Hills Detachment fault, southeastern Nevada and northwestern Arizona, in Umhoefer, P., Beard, L.S., and Lamb, M.A., eds., Miocene tectonics of the Lake Mead Region, central Basin and Range: Geological Society of America Special Paper 463, p. XXX–XXX, in press.

Langenheim, V.E., Beard, L.S., and Faulds, J.E., 2010, Implications of geophysical analysis on basin geometry and fault offsets in the northern Colorado River extensional corridor and adjoining Lake Mead region, Nevada and Arizona, in Umhoefer, P., Beard, L.S., and Lamb, M.A., eds., Miocene tectonics of the Lake Mead Region, central Basin and Range: Geological Society of America Special Paper 463, p. XXX–XXX, in press.

Roskowski, J.A., Patchett, P.J., Spencer, J.E., Pearthree, P.A., Dettman, D.L., Faulds, J.E., and Reynolds, A.C., in press, A late Miocene-early Pliocene chain of lakes fed by the Colorado River: Evidence from Sr, C, and O Isotopes of the Bouse Formation and related units between Grand Canyon and the Gulf of California: Geological Society of America Bulletin.

Fitzgerald, P.G., Duebendorfer, E.M., Faulds, J.E., and O’Sullivan, P., 2009, The South Virgin-White Hills detachment fault system of SE Nevada and NW Arizona: Applying apatite fission track thermochronology to constrain the tectonic evolution of a major continental detachment fault: Tectonics, v. 28, 31 p., TC2001, doi:10.1029/2007TC002194.

Reynolds, R.E., Faulds, J.E., House, P.K., Howard, K., Malmon, D., Miller, C.F., and Pearthree, P.A., 2007, Wild, scenic, and rapid trip down the Colorado River trough: The 2007 Desert Symposium field trip: California State University, Desert Studies Consortium 2007 Guidebook, p. 5-32.

Miller, C.F., Miller, J.S., and Faulds, J.E., 2005, Miocene volcano-plutonic systems, southern Nevada: A window into upper crustal magmatic processes: in Stevens, C., and Cooper, C., eds., Western Great Basin Geology: Fieldtrip guidebook and volume, GSA Cordilleran Section (Pacific Section SEPM, pub.), p. 37-66.

Faulds, J. E., 2005; Part 1 of Geologic highlights of southeastern Nevada and northwestern Arizona, including the Grand Canyon and Flagstaff, Arizona: Field Trip 1, Association of Engineering Geologists Annual Meeting, Las Vegas, NV, 19 p.

Varga, R.J., Faulds, J.E., Snee, L.W., Harlan, S.S., and Bettison-Varga, L., 2004, Miocene extension and extensional folding in an anticlinal segment of the Black Mountains accommodation zone, Colorado River extensional corridor, southwestern USA: Tectonics, v. 23, no. 11, TC109, [DOI 10.1029/2002TC001454], 19 p.

Faulds, J.E., Olson, E.L., Harlan, S.S., and McIntosh, W.C., 2002, Miocene extension and fault-related folding in the Highland Range, southern Nevada: A three-dimensional perspective: Journal of Structural Geology, v. 24, p. 861-886. Click here for PDF file

Faulds, J.E., Feuerbach, D.L., Miller, C.F., and Smith, E.I., 2001, Cenozoic evolution of the northern Colorado River extensional corridor, southern Nevada and northwest Arizona: Pacific Section of the American Association of Petroleum Geologists Publication GB 78 (also Utah Geological Association Publication 30), p. 239-272. Click here for PDF file

Bachl, C.A., Miller, C.F., Miller, J.S., and Faulds, J.E., 2001, Construction of a pluton: Evidence from an exposed cross section of the Searchlight pluton, Eldorado Mountains, Nevada: Geological Society of America Bulletin, v. 113, no. 9, p. 1213-1228.

Wawrzyniec, T.F. Geissman, J.W., Anderson, R.E., Harlan, S.S., and Faulds, J., 2001, Paleomagnetic data bearing on style of Miocene deformation in the Lake Mead area, southern Nevada: Journal of Structural Geology, v. 23, no. 8, p. 1255-1280.

Faulds, J.E., House, P.K., Shevenell, L., and Ramelli, A., 2000, Geology and natural hazard assessment of the Laughlin area, Clark County, Nevada: Nevada Bureau of Mines and Geology Open-File Report 2000-6.

Faulds, J.E., and House, P.K., 2000, Chapter 1: Geology of the Laughlin area, Clark County, Nevada: Nevada Bureau of Mines and Geology Open-File Report 2000-6, 56 p.

Faulds, J.E., 1999, Cenozoic geology of the northern Colorado River extensional corridor, southern Nevada and northwest Arizona: Road logs and discussion: Nevada Petroleum Society Guidebook, p. 1-96.

Faulds, J.E., Smith, E.I., and Gans, P., 1999, Spatial and temporal patterns of magmatism and extension in the northern Colorado River extensional corridor, Nevada and Arizona: A preliminary report: Nevada Petroleum Society Guidebook, p. 171-183.

Olson, E.L., Faulds, J.E., and Harlan, S.S., 1999, Miocene extension and extension-related folding in the Highland Range, southern Nevada: Implications for hydrocarbon exploration: Nevada Petroleum Society Guidebook, p. 97-114.

Price, L.M., and Faulds, J.E., 1999, Structural development of a major segment of the Colorado Plateau-Basin and Range boundary, southern White Hills, Arizona: Nevada Petroleum Society Guidebook, p. 139-170.

Feuerbach, D.L., Faulds, J.E., and Reagan, M.K., 1999, Interrelations between magmatism and extension in a major accommodation zone, southern Nevada and northwest Arizona: Nevada Petroleum Society Guidebook, p. 115-138.

Feuerbach, D.L., Reagan, M.K., Faulds, J.E., and Walker, J.D., 1998, Lead isotopic evidence for synextensional lithospheric ductile flow in the Colorado River extensional corridor, western United States: Journal of Geophysical Research, v. 103, no. B2, p. 2515-2528.

Faulds, J.E., Feuerbach, D.L., Reagan, M.K., Metcalf, R.V., Gans, P., and Walker, J.D., 1995, The Mt. Perkins block, northwestern Arizona: An exposed cross section of an evolving, preextensional to synextensional magmatic system: Journal of Geophysical Research, v. 100, no. B8, p. 15,249-15,266.

Accommodation zones and transfer zones: The regional segmentation of extended terranes

Varga, R.J., Faulds, J.E., Snee, L.W., Harlan, S.S., and Bettison-Varga, L., 2004, Miocene extension and extensional folding in an anticlinal segment of the Black Mountains accommodation zone, Colorado River extensional corridor, southwestern USA: Tectonics, v. 23, no. 11, TC109, [DOI 10.1029/2002TC001454], 19 p.

Faulds, J.E., Olson, E.L., Harlan, S.S., and McIntosh, W.C., 2002, Miocene extension and fault-related folding in the Highland Range, southern Nevada: A three-dimensional perspective: Journal of Structural Geology, v. 24, p. 861-886.

Faulds, J.E., 1999, Cenozoic geology of the northern Colorado River extensional corridor, southern Nevada and northwest Arizona: Road logs and discussion: Nevada Petroleum Society Guidebook, p. 1-96.

Feuerbach, D.L., Faulds, J.E., and Reagan, M.K., 1999, Interrelations between magmatism and extension in a major accommodation zone, southern Nevada and northwest Arizona: Nevada Petroleum Society Guidebook, p. 115-138.

Faulds, J.E., and Varga, R., 1998, The role of accommodation zones and transfer zones in the regional segmentation of extended terranes: Geological Society of America Special Paper 323, p. 1-46.

Kruger, J.M., Faulds, J.E., Reynolds, S.J., and Okaya, D.A., 1998, Seismic reflection evidence for detachment polarity beneath a major accommodation zone, west-central Arizona: Geological Society of America Special Paper 323, p. 89-114.

Faulds, J.E., 1993, Miocene stratigraphy of the central Black Mountains, northwestern Arizona: Variations across a major accommodation zone, in Sherrod, D.R., and Nielson, J.E., eds., Tertiary stratigraphy of highly extended terranes, California, Arizona, and Nevada: U.S. Geological Survey Bulletin 2053, p. 37-44.

Faulds, J.E., Geissman, J.W., and Shafiqullah, M., 1992, Implications of paleomagnetic data on Miocene extension near a major accommodation zone in the Basin and Range province, northwestern Arizona and southern Nevada: Tectonics, v. 11, p. 204-227.

Faulds, J.E., Mawer, C.K., and Geissman, J.W., 1990, Structural development of a major extensional accommodation zone in the Basin and Range province, northwestern Arizona and southern Nevada: Implications for kinematic models of continental extension, in Wernicke, B., ed., Basin and Range extensional tectonics near the latitude of Las Vegas, Nevada: Geological Society of America Memoir 176, p. 37-78.

Faulds, J.E., Hillemeyer, F.L., and Smith, E.I., 1988, Geometry and kinematics of a Miocene "accommodation zone" in the central Black and southern Eldorado Mountains, Arizona and Nevada, in Weide, D.L., and Faber, M.L., eds., This extended land, geological journeys in the southern Basin and Range: Geological Society of America, Cordilleran Section, Field Trip Guidebook, p. 293 310.

Paleogeographic evolution and drainage development in the western U.S.

Faulds, J.E., Howard, K.A., and Duebendorfer, E.M., 2008, Cenozoic evolution of the abrupt Colorado Plateau-Basin and Range boundary, northwest Arizona: A tale of three basins, immense lacustrine-evaporite deposits, and the nascent Colorado River, in Duebendorfer, E.M., and Smith, E.I., eds., Field Guide to Plutons, Volcanoes, Faults, Reefs, Dinosaurs, and Possible Glaciation in Selected Areas of Arizona, California, and Nevada: Geological Society of America Field Guide 11, p. 119–151, doi: 10.1130/2008.fl d011(06). Click here for PDF file

Pearthree, P.A., Spencer, J.E., Faulds, J.E., and House, P.K., 2008, Comment on "Age and evolution of the Grand Canyon revealed by U-Pb dating of water table - type speleothems": Science, v. 321, p. 1634c, DOI: 10.1126/science.1158862. 

House, P.K., Pearthree, P.A., Howard, K.A., Bell, J.W., Perkins, M.E., Faulds, J.E., and Brock, A.L., 2005, Birth of the lower Colorado River—Stratigraphic and geomorphic evidence for its inception near the conjunction of Nevada, Arizona, and California, in Pederson, J., and Dehler, C.M., eds., Interior western United States: Geological Society of America Field Guide 6, p. 357-387, doi:10.1130/2005.fld006(17).

Garside, L.J., Henry, C.D., Faulds, J.E., and Hinz, N.H., 2005, The upper reaches of the Sierra Nevada auriferous gold channels, California and Nevada: Geological Society of Nevada Symposium, p. 209-236.

Faulds, J.E., Wallace, M.A., Gonzalez, L.A., and Heizler, M., 2001, Depositional environment and paleogeographic implications of the late Miocene Hualapai Limestone, northwest Arizona and southern Nevada, in Young, R.A., and Spamer, E.E., eds., The Colorado River: Origin and evolution: Grand Canyon, Arizona, Grand Canyon Association Monograph 12, p. 81-87.

Faulds, J.E., Price, L.M., and Wallace, M.A., 2001, Pre-Colorado river paleogeography and extension along the Colorado Plateau-Basin and Range boundary, northwest Arizona, Young, R.A., and Spamer, E.E., eds., The Colorado River: Origin and evolution: Grand Canyon, Arizona, Grand Canyon Association Monograph 12, p. 93-99.

Castor, S.B., and Faulds, J.E., 2001, Post-6-Ma limestone along the southeast part of the Las Vegas Valley shear zone, southern Nevada, in Young, R.A., and Spamer, E.E., eds., The Colorado River: Origin and evolution: Grand Canyon, Arizona, Grand Canyon Association Monograph 12, p. 77-80.

Potochnik, A.R., and Faulds, J.E., 1998, A tale of two rivers: Mid-Tertiary structural inversion and drainage reversal across the southern boundary of the Colorado Plateau, in Duebendorfer, E.M., ed., Geologic excursions in northern and central Arizona: Field trip guidebook for Geological Society of America Rocky Mountain Section Meeting, Northern Arizona University, p. 149-174.

Faulds, J.E., Schreiber, B.C., Reynolds, S.J., Gonzalez, L., and Okaya, D., 1997, Origin and paleogeography of an immense, nonmarine Miocene salt deposit in the Basin and Range (western USA): Journal of Geology, v. 105, p. 19-36.

Young, R.A., Peirce, H.W., and Faulds, J.E., 1987, Geomorphology and structure of the Colorado Plateau/Basin and Range Transition Zone, Arizona, in Davis, G.H., and VandenDolder, E.M., eds., Geologic diversity of Arizona and its margins: Excursions to choice areas: Arizona Bureau of Geology and Mineral Technology Special Paper 5, p. 182 196.

Faulds, J.E., 1988, Cenozoic structural and geomorphic evolution of part of the Transition Zone, Salt River Canyon region, east central Arizona, in Anderson, L, and Piety, L., eds., Field trip guidebook to the Tonto basin: Friends of the Pleistocene, Rocky Mountain Cell, 1988 Fall Field Trip, p. 109 128.

Other contributions

Price, J.G., Hess, R.H, Fitch, S., Faulds, J.E., Garside, L.J., Shevenell, S., and Warren, S., 2005, Preliminary assessment of the potential for carbon dioxide disposal by sequestration in geologic settings in Nevada: Nevada Bureau of Mines and Geology Report 51, 35 p.

Cellura, B.R., Faulds, J.E., Noble, P.J., and Henry, C.D., 2001, Biostratigraphy and structural geology in the Marys Mountain area, Carlin trend, Nevada: Geological Society of Nevada Special Publication No. 33, p. 349-355.

Henry, C.D., Faulds, J.E., Boden, D.R., and Ressel, M.W., 2001, Timing and styles of Cenozoic extension near the Carlin trend, northeastern Nevada: Implications for the formation of Carlin-type gold deposits: Geological Society of Nevada Special Publication No. 33, p. 115-128.

Price, J.G., Henry, C.D., Castor, S.B., Garside, L., and Faulds, J.E., 1999, Geology of Nevada: Rocks and Minerals, v. 74, no. 6, p. 357-363.

Faulds, J.E., Ludvigson, G.A., and Brenner, R.L., 1996, Preliminary paleomagnetic study of plinthic paleosols of the Dakota Formation, in Witzke, B.J., and Ludvigson, G.A., eds., Mid-Cretaceous fluvial deposits of the eastern margin, western interior basin: Nishnabotna Member, Dakota Formation: Iowa Geological Survey Bureau Guidebook Series No. 17, p. 39-42.

Faulds, J.E., 1990, Structural framework of the Yucca Mountain/Crater Flat region, Nevada: Possible controls on Pliocene/Quaternary volcanism near the proposed high-level radioactive waste repository: Annual report of the Center for Volcanic and Tectonic Studies, University of Nevada, Las Vegas; submitted to the Nuclear Waste Project Office, State of Nevada, p. 8-34.

Geologic Maps (arranged by subject)

Walker Lane region, western Nevada and northeastern California

Faulds, J.E., and Ramelli, A.R., 2009, Preliminary geologic map of the west half of the Hazen Quadrangle, Lyon and Churchill Counties, Nevada: Nevada Bureau of Mines and Geology Open-File Report 09-11, scale 1:24,000. plate (5.4 Mb)  

Henry, C.D., Ramelli, A.R., and Faulds, J.E., 2009, Geologic map of the Seven Lakes Mountain Quadrangle, Washoe County, Nevada, and eastern part of the Constantia Quadrangle, Lassen County, California: Nevada Bureau of Mines and Geology Map 164, scale 1:24,000, 27 p. text. text (2.4 Mb) - plate (7.1 Mb) 

Faulds, J.E., Ramelli, A.R., and Henry, C.D., 2008, Preliminary geologic map of the Fernley West Quadrangle, Lyon, Storey, and Washoe Counties, Nevada: Nevada Bureau of Mines and Geology Open-File Report 08-04, scale 1:24,000. plate (8 Mb) 

Brooks, E.R., Henry, C.D., Faulds, J.E., 2008, Age and character of silicic ash-flow tuffs at Haskell Peak, Sierra County, California: Part of a major Eocene (?)-Oligocene paleovalley spanning the Sierra Nevada-Basin and Range boundary: California Geological Survey Map Sheet 55A, 39 p text, 1:12,000. 

Faulds, J.E., dePolo, C.M., and Henry, C.D., 2007 [2003], Preliminary geologic map of the Sutcliffe Quadrangle, Washoe County, Nevada: Nevada Bureau of Mines and Geology Open-File Report 03-17, 1:24,000 (new updated edition released in 2007). plate (18 Mb)

Faulds, J.E., and Ramelli, A.R., 2005, Preliminary geologic map of the Fernley East Quadrangle, Lyon and Washoe Counties, Nevada: Nevada Bureau of Mines and Geology Open-File Report 05-9, scale 1:24,000. plate (5.1 Mb)

Faulds, J.E., and Ramelli, A.R., 2005, Reconnaissance map of the Granite Range fault zone and adjacent areas, Washoe County, Nevada: Nevada Bureau of Mines and Geology Open-File Report 05-11, scale 1:50,000, 6 p. text.

Henry, C.D., Ramelli, A.R., and Faulds, J.E., 2005, Preliminary geologic map of the south half of the Seven Lakes Mountain Quadrangle, Washoe County, Nevada: Nevada Bureau of Mines and Geology Open-File Report 05-10, scale 1:24,000. PDF plate - PDF map units.

Henry, C.D., Faulds, J.E., dePolo, C.M., and Davis, D.A., 2004, Geologic map of the Dogskin Mountain Quadrangle, northern Walker Lane, Nevada: Nevada Bureau of Mines and Geology Map 148, scale 1:24,000, with accompanying text. PDF plate - PDF text.

Schwartz, K.M., and Faulds, J.E., 2004, Preliminary geologic map of most of the Chalk Hills Quadrangle: Nevada Bureau of Mines and Geology Open-File Report 04-11.Click here for PDF file.

Faulds, J.E., Henry, C.D., and dePolo, C.M., 2003, Preliminary geologic map of the Tule Peak Quadrangle, Washoe County, Nevada: Nevada Bureau of Mines and Geology Open-File Report 03-10. Click here for PDF file.

Faulds, J.E., dePolo, C.M., and Henry, C.D., 2003, Preliminary geologic map of the Sutcliffe Quadrangle, Washoe County, Nevada: Nevada Bureau of Mines and Geology Open-File Report 03-17, 1:24,000. Click here for PDF file.

Faulds, J.E., Henry, C.D., and dePolo, C.M., 2000, Geologic map of the south half of the Tule Peak Quadrangle, Washoe County, Nevada: Nevada Bureau of Mines and Geology Open-File Report 2000-10. Click here for PDF file.

Geothermal research - Structural controls, Northern Great Basin

Faulds, J.E., and Garside, L.J., 2003, Preliminary geologic map of the Desert Peak – Brady geothermal fields, Churchill County, Nevada: Nevada Bureau of Mines and Geology Open-File Report 03-27. Click here for PDF file.

Colorado River extensional corridor, northwest Arizona and southern Nevada

House, P.K., and Faulds, J.E., 2009, Preliminary geologic map of the Spirit Mountain NW Quadrangle, Clark County, Nevada, and Mohave County, Arizona: Nevada Bureau of Mines and Geology Open-File Report 09-06, scale 1:24,000. plate (5.1 Mb) 

Hinz, N.H., Green, H.L., and Faulds, J.E., 2009, Preliminary geologic map of the west half of the Ireteba Peaks Quadrangle, Clark County, Nevada: Nevada Bureau of Mines and Geology Open-File Report 09-04, scale 1:24,000. plate (8.3 Mb)

Beard, L.S., Anderson, R.E., Block, D.L., Bohannon, R.G., Brady, R.J., Castor, S.B., Duebendorfer, E.M., Faulds, J.E., Felger, T.J., Howard, K.A., Kuntz, M.A., and Williams, V.S., 2007, Preliminary geologic map of the Lake Mead 30' X 60' quadrangle, Clark County, Nevada, and Mohave County, Arizona:  U.S. Geological Survey Open-File Report 2007-1010, 109 p., 3 plates, scale 1:100,000 [http://pubs.usgs.gov/of/2007/1010/].

Faulds, J.E., and Ramelli, A.R., and Lledo, H., 2006, Preliminary geologic map of the north half of the Searchlight Quadrangle, Clark County, Nevada: Nevada Bureau of Mines and Geology Open-File Report 06-15, scale 1:24,000. plate (6.3 Mb) - text (44 kb) 

Wallace, M.A., Faulds, J.E., and Brady R.J., 2005, Geologic map of the Meadview North Quadrangle, Mohave County, Arizona and Clark County, Nevada: Nevada Bureau of Mines and Geology Map 154, scale 1:24,000, with accompanying text. PDF plate - PDF text.

Faulds, J.E., House, P.K., Ramelli, A.R., Bell, J.W., and Pearthree, P.A., 2003, Preliminary geologic map of the Davis Dam Quadrangle, Clark County, Nevada, and Mohave County, Arizona: Nevada Bureau of Mines and Geology Open-File Report 03-5, 1:24,000. Click here for PDF file.

Faulds, J.E., Bell, J.W., and Olson, E.L., 2002, Geologic map of the Nelson SW Quadrangle, Clark County, Nevada (with accompanying text): Nevada Bureau of Mines and Geology Map 134. Click here for PDF file.

Castor, S.B., Faulds, J.E., Rowland, S.M., and dePolo, C.M., 2000, Geologic map of the Frenchman Mountain Quadrangle, Clark County, Nevada: Nevada Bureau of Mines and Geology Map 127, with accompanying text, scale 1:24,000. PDF plate - PDF map units - PDF text.

Ruppert, R.F., and Faulds, J.E., 1998, Geologic map of the western half of the Fourth of July Mountain Quadrangle, southern Nevada: Nevada Bureau of Mines and Geology Open-File Report 98-7, scale 1:24,000.

Faulds, J.E., 1996, Geologic map of the Fire Mountain Quadrangle, Nevada and Arizona: Nevada Bureau of Mines and Geology Map 106, scale 1:24,000, 6 p text. Click here for PDF file.

Faulds, J.E., 1995, Geologic map of the Mt. Davis Quadrangle, Nevada and Arizona: Nevada Bureau of Mines and Geology Map 105, scale 1:24,000, 4 p text. PDF plate file. - PDF text file.

Faulds, J.E., 1993, Geologic map of the Black Mountains accommodation zone, Mohave County, Arizona: Arizona Geological Survey Contributed Map CM-93-F, scale 1:12,000.

Other contributions

Henry, C.D., and Faulds, J.E., Geologic map of the Emigrant Pass Quadrangle, Nevada: Nevada Bureau of Mines and Geology Open-File Report 99-9, scale 1:24,000. Click here for PDF file.

Stewart, J.H., Anderson, R.E., Beard, L.S., Billingsley, G.H., Cather, S.M., Dilles, J.H., Dokka, R.K., Faulds, J.E., Grose, T.L., Henry, C., Janecke, S.U., Richard, S.M., Scott, R.B., Sears, J.W., and Williams, V.S., 1998, Map showing Cenozoic tilt domains and associated structural features, western North America, in Faulds, J.E., and Stewart, J.H., Accommodation zones and transfer zones: The regional segmentation of the Basin and Range: Geological Society America Special Paper 323 (Plate 1).

Faulds, J.E., Bell, J.W., Feuerbach, D.L., and Ramelli, A.R., 1994, Geologic map of the Crater Flat area, Nye County, Nevada: Nevada Bureau of Mines and Geology Map 101, scale 1:24,000, 4 p. text. PDF plate file. - PDF text file.

Faulds, J.E., 1989, Geologic map of the Salt River region, Rockinstraw Mountain quadrangle: Arizona Geological Survey Contributed Map CM-89-B, scale 1:24,000.

Recent Abstracts (since 2004)

Faulds, J.E., and Henry, C.D., 2009, Evolution of the Walker Lane: An incipient transform fault and future Pacific-North American plate boundary: Eos Transactions, American Geophysical Union, v. 90, no. 52, Fall Meeting Supplement, Abstract T11F-02.

Hinz, N.H., and Faulds, J.E., 2009, The Eldorado dike swarm, Eldorado Mountains, southern Nevada-Accommodating upper crustal extension in the Colorado River extensional corridor: Eos Transactions, American Geophysical Union, v. 90, no. 52, Fall Meeting Supplement, Abstract T31C-1825.

Henry, C.D., Colgan, J.P., John, D.A., Cousens, B., and Faulds, J.E., 2009, The evolution and tectonic setting of the Eocene-Miocene ignimbrite flare-up of the Great Basin, Nevada and Utah: Geological Society of America Abstracts with Programs, v. 41, no. 7, p. 643. 

Faulds, J.E., Coolbaugh, M.F., Vice, G.S., and Bouchot, V., 2008, Characterizing controls of geothermal systems through integrated geologic and geophysical studies: Developing recipes for successful exploration of conventional and unconventional geothermal systems: 70th EAGE Conference (European Association of Geoscientists and Engineers), Workshop 9 Proceedings (Geosciences for Geothermal Exploration: An Integrated Approach), Rome, Italy, p. 4-6. 

Faulds, J.E., Miller, C.F., Miller, J.S., Ludington, S., Hinz, N.H., 2008, The Searchlight magmatic system, southern Nevada and northwest Arizona: Anatomy and evolution of a pre- to synextensional plutonic-volcanic system in the highly extended Colorado River extensional corridor: Geological Society of America Abstracts with Programs, v. 40, no. 1, p. 85.

Faulds, J., Bouchot, V., Ledru, P., and Kaya, T., 2008, Comparative analysis of structural controls on geothermal activity in western Turkey and the western Great Basin, USA: Preliminary results, in Calcagno, P., and Sliaupa, S., eds., The Engine Final Conference: Conference Abstracts, Vilnius, Lithuania, 12-15 February, 2008. 

Langenheim, V.E., Beard, S., and Faulds, J.E., 2008, Basin geometry, fault offsets, and influence of pre-existing structure in the northern Colorado River extensional corridor and the Lake Mead region, Nevada and Arizona: Geological Society of America Abstracts with Programs, v. 40, no. 6, p. 312. 

Colombini, L.L., Gualda, G.A.R., Miller, C.F., Miller, J.S., Wooden, J.L. Mazdab, F., Faulds, J.E., 2008, Mid-Miocene rhyolite sequence, Highland Range, NV: Record magma evolution and eruption from the Searchlight pluton magma chamber: Transactions of the American Geophysical Union, Fall Meeting. 

Faulds, J.E., and Henry, C.D., 2007, The Walker Lane strike-slip fault system: An incipient transform fault along the evolving Pacific - North American plate boundary: Ores and Orogenesis: A symposium honoring the career of William R. Dickinson, Arizona Geological Society Symposium Program with Abstracts, p. 125.  

Faulds, J.E., 2007, Cenozoic evolution of the northern Colorado River extensional corridor, southern Nevada and northwest Arizona: California State University, Desert Studies Consortium 2007 Guidebook, p. 108.

Faulds, J.E., and Henry, C.D., 2007, The Role of the Walker Lane in the Evolving Pacific – North American Plate Boundary: A Natural Laboratory for Analyzing the Birth of a Transform: Abstracts for Earthscope MARGINS/Geoswath workshop, Monterey, California. 

Faulds, J.E., and Perkins, M.E., 2007, Evidence for dextral shear along the western margin of the Carson Sink: The missing link between the central and northern Walker Lane, western Nevada: Geological Society of America Abstracts with Programs, v. 39, no. 4, p. 15. 

Vice, G.S., Faulds, J.E., Ehni, W.J., and Coolbaugh, M.F., 2007, Characterizing the structural controls of the Terraced Hills-Astor Pass geothermal system, northwestern Nevada: Geological Society of America Abstracts with Programs, v. 39, no. 5, p. 34. 

Sturmer, D.M., Faulds, J.E., and Perkins, M.E., 2007, Kinematic evolution of the Olinghouse fault in the northern Walker Lane: A left-lateral fault zone in a region of dextral shear: Geological Society of America Abstracts with Programs, v. 39, no. 4, p. 15.

Delwiche, B.M., Faulds, J.E., and Henry, C.D., 2007, Late Oligocene paleotopography and structural evolution of the Pah Rah Range, western Nevada: Implications for constraining slip on the right-lateral Warm Springs Valley fault in the northern Walker Lane: Geological Society of America Abstracts with Programs, v. 39, no. 4, p. 15.

Coolbaugh, M., Arehart, G., Faulds, J., Vikre, P., and John, D., 2007, Active geothermal systems and Pliocene and younger gold deposits of the Great Basin, USA: Regional controls and selenium concentrations as a clue to ore environment: Geological Society of America Abstracts with Programs, v. 39, no. 6, p. 197.

Roskowski, J. A., Patchett, P.J., Pearthree, P.A., Spencer, J.E., Faulds, J.E., and Reynolds, A.C., 2007, A late Miocene-early Pliocene chain of lakes fed by the Colorado River: Evidence from Sr isotopes of the Bouse Formation between Grand Canyon and Gulf of California: Geological Society of America Abstracts with Programs, v. 39, no. 6, p. 435. 

Roskowski, J.A., Patchett, P.J., Spencer, J.E., Pearthree, P.A., Faulds, J.E., and Reynolds, A.C., 2007, A detailed strontium isotope study of the Bouse Formation, lower Colorado River, USA: Implications for Colorado River history: California State University, Desert Studies Consortium 2007 Guidebook, p. 112.

Shevenell, L., Bell, J., Blewitt, G., Coolbaugh, M., Faulds, J., Hammond, W., Kreemer, C., Lechler, P., Louie, J., Oppliger, G., Plag, H., Zehner, R., 2007, Accomplishments of the Great Basin Center for Geothermal Energy: Geothermal Resources Council Transactions, v. 31. 

Faulds, J.E., Garside, L., Oppliger, G., and Perkins, M., 2006, Cenozoic extension and structural controls of geothermal systems in the Hot Springs Mountains, western Nevada: Geological Society of America Abstracts with Programs, v. 38, no. 5, p. 79. 

Faulds, J.E., and Henry, C.D., 2006, The evolving transform, orogenic collapse, and “de-arcing” of the western North American cordillera: Is the Walker Lane the site of the future plate boundary?:  Geological Society of America Specialty Meetings, Abstracts with Programs, no. 2, p. 110. 

Henry, C.D., and Faulds, J.E., 2006, Similar and contrasting response of rifting and transtension in the Gulf of California and Walker Lane to preceding arc magmatism: Eos Transactions AGU, 87(52), Fall Meeting Supplement, Abstract T41D-1593.

Henry, C.D., and Faulds, J.E., 2006, The Walker Lane and Gulf of California: Related expressions of Pacific-North American plate boundary development: Lithospheric Rupture in the Gulf of California - Salton Trough Region National Science Foundation Margins Workshop, Ensenada, Mexico, Jan. 11, 2006. 

Sturmer, D.M., and Faulds, J.E., 2006, Kinematics of left-lateral faulting in a dextral shear zone of shear – Preliminary assessment of the Olinghouse fault, northern Walker Lane, western Nevada, USA: Geological Society of America Backbone of the Americas Meeting held in Mendoza, Argentina.

Hodge, K., Miller, C., Miller, J., and Faulds, J., 2006, Dike emplacement at the Searchlight, NV, volcano-plutonic complex: Geological Society of America Abstracts with Programs, v. 38, no. 5, p. 95. 

Faulds, J.E., 2005, Tracking the along-strike development of normal fault systems: A key to understanding processes of large-magnitude extension: Geological Society of America Abstracts with Programs, v. 37, no. 7, p. 129.

Faulds, J.E., and Henry, C.D., 2005, Magmatic and tectonic influences on the margins of the Basin and Range province: Geological Society of America Abstracts with Programs, v. 37, no. 7, p. 202.

Faulds, J.E., Miller, C.F., Miller, J.S., and Hillemeyer, F.L., 2005, Tectonic setting of the Searchlight and Nelson mining districts, southern Nevada: Cross-sectional views of steeply tilted early Miocene hydrothermal systems: Geological Society of Nevada Symposium, Reno, Nevada, p. 1310.

Faulds, J.E., Henry, C.D., Hinz, N.H., Delwiche, B., Drakos, P.S., and Sturmer, D.M., 2005, Kinematics of the northern Walker Lane: An incipient transform fault along the Pacific–North American plate boundary: Geological Society of America Penrose Conference.

Drakos, P.S., Faulds, J.E., and Henry, C.D., 2005, Tertiary Stratigraphy and Structure of the southern Lake Range northwest Nevada: Assessment of kinematic links between strike-slip and normal faults in the northern Walker Lane: Geological Society of America Penrose Conference.

Sturmer, D.M. and Faulds, J.E.,2005, Kinematics of left-lateral faulting in a dextral zone of shear – Olinghouse fault, northern Walker Lane, western Nevada: Geological Society of America Penrose Conference.

Henry, C.D., and Faulds, J.E., 2005, Coupled magmatic-tectonic evolution of the Walker Lane, western Nevada and eastern California: Geological Society of America Penrose Conference.

Henry, C.D., and Faulds, J.E., 2005, The Walker Lane and Gulf of California: Related expressions of Pacific-North American plate boundary development: Geological Society of America Abstracts with Programs, v. 37, no. 7, p. 274.

Miller, C.F., Walker, B.A., Lowery, L.E., Miller, J.S., Bleick, H.A., Faulds, J.E., Furbish, D.J., and Koteas, C.G., 2005, Construction of plutons by horizontal depositional and intrusive sheets: Geological Society of America Abstracts with Programs, v. 37, no. 7, p. 130.

Perrault, D.S., Miller, C.F., Fisher, C.M., Furbish, D.J., Miller, J.S., and Faulds, J.E., 2005, Giant country rock blocks within the Searchlight pluton, southern Nevada: Geological Society of America Abstracts with Programs, v. 37, no. 7, p. 309.

Ludington, S., Castor, S.B., Faulds, J.E., and Flynn, K.S., 2005, The Searchlight district, Nevada: Oxidized but when?: Geological Society of America Abstracts with Programs, v. 37, no. 7, p. 516.

Coolbaugh, M.F., Blewitt, G., Faulds, J.E., and Kreemer, C.W., 2005, Regional and local controls on the distribution of geothermal systems in the Great Basin, western United States: American Geophysical Union Transactions.

Dodge, M., Miller, J., Faulds, J., and Miller, C., 2005, Erupted record from the Miocene Searchlight pluton, Nevada: Geological Society of America Abstracts with Programs, v. 37, no. 4, p.66.

Faulds, J.E., Henry, C.D., Hinz, N.H., Delwiche, B., and Cashman, P.H., 2004, Kinematic implications of new paleomagnetic data from the northern Walker Lane, western Nevada: Counterintuitive anticlockwise vertical-axis rotation in an incipient dextral shear zone: Eos. Trans. American Geophysical Union, v. 85(47). Fall Meet. Suppl., Abstract GP42A-08.

Faulds, J.E., Henry, C.D., and Blewitt, G., 2004, The northern Walker Lane, northwestern Great Basin: A youthful part of the North American-Pacific transform margin: Earthscope/NSF Great Basin Symposium, Lake Tahoe, California, June 21-23.

Faulds, J.E., Coolbaugh, M., Henry C.D., and Blewitt, G., 2004, Why is Nevada in hot water? Relations between plate boundary motions, the Walker Lane, and geothermal activity in the northern Great Basin: Geological Society of America Abstracts with Programs, v. 36, no. 4, p. 27.

Faulds, J.E., Duebendorfer, E.M., Murphy, R.T., Fitzgerald, P.G., Peters, L., and McIntosh, W.C., 2004, Implications of paleomagnetic data on displacement gradient accommodation along a major detachment fault, White Hills, northwest Arizona: Geological Society of America Abstracts with Programs, v. 36, no. 4, p. 34.

Delwiche, B., Faulds, J.E., and Henry, C.D., 2004, Structural framework and late Oligocene paleotopography of the Pah Rah Range, western Nevada: Implications for estimating offset across the Warm Springs Valley fault zone in the northern Walker Lane: Geological Society of America Abstracts with Programs, v. 36, no. 4, p. 28.

Coolbaugh, M., Faulds, J.E., Blewitt, G., Henry, C.D., 2004, Geothermal activity: another clue for unraveling recent Great Basin tectonics: Earthscope/NSF Great Basin Symposium, Lake Tahoe, California, June 21-23.

dePolo, C.M., Ramelli, A.R., Henry, C.D., Faulds, J.E., and Sawyer, T.L., 2004, Quaternary structure and geomorphic expression of the Warm Springs Valley fault system, western Nevada: Basin and Range Province Seismic Hazard Summit, Program and Abstracts, Reno-Sparks, Nevada, May 16-19, 2004, p. 81.

Henry, C.D., Cousens, B.L., Castor, S.B., Faulds, J.E., Garside, L.J., and Timmermans, A., 2004, The ancestral Cascades arc, northern California/western Nevada: Spatial and temporal variations in volcanism and geochemistry: Eos. Trans. American Geophysical Union, v. 85(47), Fall Meet. Suppl. Abstract V13B-1478.

Henry, C.D., and Faulds, J.E., 2004, Paired magmatic-tectonic evolution of the northern Walker Lane (NWL), northwestern Nevada and northeastern California: Earthscope/NSF Great Basin Symposium, Lake Tahoe, California, June 21-23.

Henry, C.D., Faulds, J.E., dePolo, C.M., and Hinz, N.H., 2004, Implications of new geologic mapping for the Warm Springs Valley and Honey Lake fault zones, northern Walker Lane: Seismology Workshop.

Henry, C.D., Faulds, J.E., Garside, L.G., Castor, S.B., dePolo, C.M., Davis, D.A., Hinz, N.H., and Delwiche, B., 2004, A geologic mapping transect across the northern Walker Lane, NW Nevada: Determining the location, displacement, and timing of major plate-boundary strike-slip faults: Geological Society of America Abstracts with Programs, v. 36, no. 4, p. 94.

House, P.K., Pearthree, P.A., Faulds, J.E., and Bell, J., 2004, Alluvial and lacustrine stratigraphic evidence for the late Neogene inception and early evolution of the lower Colorado River in the vicinity of Pyramid Canyon, Nevada/Arizona: Geological Society of America Abstracts with Programs, v. 36, no. 5, p. 550.

Murphy, R.T., Faulds, J.E., and Hillemeyer, F.L., 2004, Evolution of Miocene extensional fault and fold systems and influence of magmatism in the northern Colorado River extensional corridor, Union Pass area, northwest Arizona: Geological Society of America Abstracts with Programs, v. 36, no. 4, p. 21.

Steinwinder, T.R., Miller, C.F., Faulds, J.E., Koteas, C., and Ericksen, S.M., 2004, Transition from plutonism to voluminous diking in the Eldorado Mountains, northern Colorado River extensional corridor, Nevada: Geological Society of America Abstracts with Programs, v. 36, no. 4, p. 8.