Axen – Publications

In Review
Mason, C.C., Spotila, J.A., Dorsey, R.J., Axen, G., Luther, A. and Stockli, D., Two-phase exhumation of the Santa Rosa Mountains: low- and high-angle normal faulting during initiation and evolution of the southern San Andreas fault system: Tectonics, 64 manuscript pages, including 6 figures. van Wijk, J., Koning, D.J., Axen, G., Coblenz, D., Gragg, E. and Sion, B., Miocene-present subsidence
history of the Rio Grande rift, southwestern United States: Geosphere, 50 manuscript pages, 5 figures.

In Press
Axen, G.J., Selverstone, J., and Luther, A., A rock record of paleoseismic cycling: Unique layered cataclasite below the West Salton Detachment fault, southern California: Geosphere, 66 manuscript pages, 16 figures.

Knott, J.R., Phillips, F.M., Reheis, M.C., Sada, D., Jayko, A. and Axen, G., Geologic and Hydrologic Concerns about Pupfish Divergence during the Last Glacial Maximum: Proceedings of the Royal Society B: 7 manuscript pages.

van Wijk, J., Axen, G., and Abera, R., Initiation, evolution and extinction of pull-apart basins:
Implications for opening of the Gulf of California: Tectonophysics, 14 p.

2017
Malekpour-Alamdari, A., Axen, G., Heizler, M. and Hassanzadeh, J., Large magnitude continental extension in the northeastern Iranian plateau: Insight from K-feldspar 40 Ar/ 39 Ar thermochronology from the Shotor Kuh – Biarjmand metamorphic core complex: Geosphere, v. 13, p. 1-27, doi:10.1130/GES01423.1.

 

2016
Abera, R., van Wijk, J. and Axen, G., Formation of continental fragments: The Tamayo Bank, Gulf of California: Geology, doi:10.1130/G38123.1; 4 p.

van Wijk, J., Axen, G.J., Abera, R. and Yao, S., Surface uplift due to thermal expansion around the Socorro magma body: Preliminary Results: New Mexico Geological Society Guidebook, 67th Field Conference, Geology of the Belen Area, p. 217-223.

Sion, B.D., Axen, G.J., Phillips, F.M and Harrison, B.J., Fluvial terraces in the lower Rio Salado valley: correlations, estimated ages, and implications for Quaternary faulting and for surface uplift above the Socorro Magma Body: New Mexico Geological Society Guidebook, 67th Field Conference, Geology of the Belen Area, p. 235-247.

2015
Axen, G.J., Luther, A. and Selverstone, J., Paleostress directions near two low-angle normal faults: testing mechanical models of weak faults and off-fault damage: Geosphere, v. 11, no. 6, p. 1-19, doi:10.1130/GES01211.1.

2014
Rosales Lagarde, L., Boston, P., Campbell, A., Hose, L., Axen, G. and Stafford, K., Hydrogeology of northern Sierra de Chiapas, Mexico: a conceptual model based on a geochemical characterization of sulfide-rich karst brackish springs: Hydrogeology Journal, DOI 10.1007/s10040-014-1135-z, 21 p.

2013
Luther, A. and Axen, G., Alternating extensional and shortening stress fields on the West Salton detachment fault, Southern California: Geology, v. 41, no. 10, doi:10.1130/G34404.1, p. 1047-1050.

Luther, A., Axen, G., and Selverstone, J., Particle-size distributions of low-angle normal fault breccias: Implications for mechanisms of slip on weak faults: Journal of Structural Geology, v. 55, doi: 10.1016/j.jsg.2013.07.009, p. 50-61.

2012
Luther, A., Axen, G., and Cather, S., Deciphering the early history of a multiply reactivated fault using strain analysis in an adjacent fold: Evidence for early brittle-plastic slip on the Picuris-Pecos fault, New Mexico, USA: Geosphere, v. 8, no. 3, doi:10.1130/GES00776.1, p. 703-715.

Selverstone, J., Axen, G., and Luther, A., Fault localization controlled by fluid infiltration into mylonites: Formation and strength of low-angle normal faults in the mid-crustal brittle-plastic transition: Journal of Geophysical Research, v. 117, B06210, doi:10.1029/2012JB009171, 19 p.

Dorsey, R.B., Axen, G.J., Peryam, T.C., and Kairouz, M.E., Initiation of the southern Elsinore fault at ~1.2 Ma: Evidence from the Fish Creek-Vallecito Basin, southern California: Tectonics, v. 31, TC2006, doi:10.1029/2011TC003009, 21 p.

Brothers, D., Harding, A., Gonzalez-Fernandez,A., Holbrook, W.S., Kent, G., Driscoll, N., Fletcher, J., Lizzaralde, D., Umhoeffer, P. and Axen, G., Farallon slab detachment and deformation of the Magdalena shelf, southern Baja California: Geophysical Research Letters, v. 39, L09307, doi:10.1029/2011GL050828, 7 p.

Sutherland, F.H., Kent, G.M., Harding, A.J., Umhoeffer, P.j., Driscoll, N.W., Lizarralde, D., Fletcher, J.M., Axen, G.J., Holbrook, W.S., Gonzalez-Fernandez, A., and Lonsdale, P., Middle Miocene to early Pliocene oblique extension in the southern Gulf of California: Geosphere, v. 8, no. 4, doi:10.1029/2012JB009171, p. 752-770.

Gavillot, Y., Axen, G.J., Stockli, D., Horton, B.K., and Fakhari, M., Timing of thrust activity in the High Zagros fold-thrust belt, Iran, from (U-Th)/He thermochronometry: Tectonics, v. 29, TC4025, doi:10.1029/2009TC002484, 25 p.

2009
Shirvell, C. R., D. F. Stockli, G. J. Axen, and M. Grove, 2009, Miocene-Pliocene exhumation along the west Salton detachment fault, southern California, from (U-Th)/He thermochronometry of apatite and zircon, Tectonics, 28, TC2006, doi:10.1029/2007TC002172. Abstract.

Steely, Alexander N., Susanne U. Janecke, Rebecca J. Dorsey, and Gary J. Axen, 2009, Early Pleistocene initiation of the San Felipe fault zone, SW Salton Trough, during reorganization of the San Andreas fault system, Geological Society of America Bulletin 2009, 121, 663-687, doi:10.1130/B26239.1doi:10.1130/B26239.1. Abstract.

2008
Axen, Gary, 2008, A brief overview of Cenozoic extensional tectonism in western North America, 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; 397-407.

2007
Hasanzadeh J., Stockli, D.F., Horton, B.K., Axen, G.J ., Stockli, L., Grove, M., Schmitt, A., and Walker, J.D., 2007, U-Pb zircon geochronology of Pan-African granitoids in Iran: Implications for paleogeography, metallogeny, and exhumation history of Iranian basement:Tectonophysics, p.1-26, DOI: 10.1016/j.tecto.2007.11.062.

Fakhari, M.D., Axen, G.J., Horton, B.K., Hasssanzadeh, J., and Amini, A., 2007, Revised age of proximal deposits in the Zagros foreland basin and implications for Cenozoic evolution of the High Zagros: Tectonophysics, p. 116, DOI:10.1016/j.tecto.2007.11.064.

Horton, B.K., Hassanzadeh, J., Stockli, D.F., Axen, G.J., Gillis, R.J., Guest, B., Amini, A., Fakhari, M., Zamanzadeh, S.M., and Grove, M., 2007, Detrital zircon provenance of Neoproterozoic to Cenozoic deposits inIran: Implications for chronostratigraphy and collisional tectonics: Tectonophysics, p. 1-27, DOI: 10.1016/j.tecto.2007.11.063.

Páramo, P., Holbrook, W.S., Brown, H.E., Lizarralde, D., Fletcher, J., Umhoefer, P., Kent, G., Harding, A., Gonzalez, A., Axen, G., 2007, Seismic structure of the Southern Gulf of California from Los Cabos Block to the East Pacific Rise” Journal of Geophysical Research, manuscript 2007JB005113R, 60 p.

*Axen, G.J., 2007, Research Focus: Significance of large-displacement, low-angle normal faults: Geology, v. 35, no. 3, p. 287-288.

Lizarralde, D., Axen, G.J., Brown, H.E., Fletcher, J.M., González-Fernández, A., Harding, A.J., Holbrook, W.S., Kent, G.M., Paramo, P., Sutherland, F., and Umhoefer, P.J., 2007, Variation in styles of rifting in the Gulf of California: Nature, v. 448, p. 466-469.

Sagy, A., Brodsky, E.E., Axen, G.J., 2007, Evolution of fault surface roughness with slip:Geology, v. 35, no. 3, 283-286, DOI: 10.1130/G23235A.1.

Dorsey, R.J., Fluette, A., McDougall, K.A., Housen, B.A., Janecke, S.U., Axen, G.J., and Shirvell, C.R., 2007, Chronology of Miocene-Pliocene deposits at Split Mountain Gorge, southern California: A record of regional tectonics and Colorado River evolution; Geology, v. 35, no. 1, 57–60, DOI: 10.1130/G23139A.1.

Guest, B., Guest, A., and Axen, G.J., 2007, Late Tertiary tectonic evolution of northern Iran: A case for simple crustal folding: Global and Planetary Change, v. 58, p. 435-453; DOI:10.1016/j.gloplacha.2007.02.014.

, v. 26, TC6011, p. 1-26, DOI: 10.1029/2006TC002091 . Auxiliary materials available at: ftp://ftp.agu.org/apend/tc/2006tc002091.

2006
Guest, B., Stockli, D.F., Grove, M., Axen, G.J., Lam, P.S., and Hassanzadeh, J., 2006, Thermal histories from the central Alborz Mountains, northern Iran: Implications for the spatial and temporal distribution of deformation in northern Iran: Geological Society of America Bulletin, v. 118, 1507-1521, DOI: 10.1130/B25819.1.

Guest, B., Axen, G.J., Lam, P. S. and Hassanzadeh, J., 2006, Late Cenozoic shortening in the west-central Alborz Mountains, northern Iran, by combined conjugate strike-slip and thin-skinned deformation: Geosphere, v. 2, no. 1, 35–52, DOI: 10.1130/GES00019.1.

., 2006, Faulting, sedimentation and strain partitioning in the Laguna Salada area, northeastern Baja California, Mexico: Unpublished fieldtrip guide for the NSF-MARGINS Program, Rupturing Continental Lithosphere Initiative meeting “Lithospheric Rupture in the Gulf of California – Salton Trough Region”, January 10-11, 2006. See http://www.rcl-cortez.wustl.edu/.

2005
Guest, B., Axen, G., Lam, P. and Hassanzadeh, J., 2005, Late Cenozoic shortening in the West-Central Alborz Mountains northern Iran: a combination of thick-skinned, thin-skinned and lateral-extrusion tectonics: Geosphere, v. 2, no.1, p. 35-52, DOI: 10.1130/GES00019.1; 12 figures; 3 plates.

2004
Axen, G.J., Mechanics of low-angle normal faults: in Karner, G. , Taylor, B., Driscoll, N., and Kohlstedt, D.L. (eds.) Rheology and Deformation in the Lithosphere at Continental Margins, Columbia University Press, p. 46-91.

2003
Hazelton, G.B., Axen, G.J., and Lovera, O., Argon retention properties of silicate glasses and implications for 40Ar/ 39Ar age and noble gas diffusion studies: Contributions to Mineralogy and Petrology, v. 145, p 1-14.

2002
Zaliapin, I., Keilis-Borok, V., and Axen, G.J., Premonitory spreading of seismicity over the faults’ network in S. California: Precursor “Accord”: Journal of Geophysical Research, v. 107, 2221, DOI:10.1029/2000JB000034, 15 p.

2001
Wawrzyniec, T.F., Selverstone, J., and Axen, G.J., Styles of footwall uplift along the Simplon and Brenner normal fault systems, central and Eastern Alps: Tectonics, v. 20, p. 748-770.

Axen, G.J., Lam, P.S., Grove, M., Stockli, D.F., and Hassanzadeh, J., Exhumation of the West-Central Alborz Mountains, Iran, Caspian Subsidence, and Collision-Related Tectonics:Geology, v. 29, p. 559-562.

Axen, G.J., Selverstone, J., and Wawrzyniec, T., High-temperature embrittlement of extensional Alpine mylonite zones in the midcrustal ductile-brittle transition: Journal of Geophysical Research, v. 106, p. 4337-4348.

Hintze, L.F., and Axen, G.J., Geologic map of the Lime Mountain quadrangle, Lincoln County, Nevada: Nevada Bureau of Mines and Geology, Map 129, 1:24,000 scale.

2000
Axen, G.J.
, Grove, M., Stockli, D., Lovera, O.M., Rothstein, D.A., Fletcher, J.M., Farley, K., and Abbott, P.L., Thermal evolution of Monte Blanco dome: Low-angle normal faulting during Gulf of California rifting and late Eocene denudation of the eastern Peninsular Ranges:Tectonics, v. 19, p. 197-212.

McDonnell-Canan, C., Axen, G., Carr, M. D., and Weide, D. L., Geologic map of the Blue Diamond NE Quadrangle, Nevada: Nevada Bureau of Mines and Geology, Map 124, 1:24,000 scale.

1999
Axen, G.J.
, Low-angle normal fault earthquakes and triggering: Geophysical Research Letters, v. 26, p. 3693-3696.

Wawrzyniec, T., Selverstone, J., and Axen, G.J., Correlations between fluid composition and deep-seated structural style in the footwall of the Simplon low-angle normal fault, Switzerland:Geology, v. 27, p. 715-718.

Axen, G.J., Fletcher, J.M., Cowgill, E., Murphy, M., Kapp, P., MacMillan, I., Ramos-Velázquez, E., and Aranda-Gómez, J., Range-front fault scarps of the Sierra El Mayor, Baja California: Formed above an active low-angle normal fault?: Geology, v. 27, p. 247-250.

1998
*Axen, G.J., Selverstone, J., Byrne, T., and Fletcher, J.M., If the strong crust leads will the weak crust follow?: GSA Today, v. 8, no. 12, p. 1-8.

*Axen, G.J., The Caliente-Enterprise zone, southeastern Nevada and southwestern Utah, in Faulds, J. and Stewart, J. (eds.), Accommodation zones and transfer zones: The regional segmentation of the Basin and Range province: Geological Society of America Special Paper, v. 323, p. 181-194.

*Axen, G.J., and Fletcher, J.M., Late Miocene-Pleistocene extensional faulting, northern Gulf of California, Mexico and Salton Trough, California: International Geology Review, v. 40, p. 217-244. Reprinted in Ernst, W.G., and Nelson, C.A., eds., Integrated Earth and environmental evolution of the southwestern United States, The Clarence Hall, Jr. volume: Bellwether Publishing, Ltd. for the Geological Society of America, p. 365-392.

Axen, G.J., Fletcher, J. M., Martín-Barajas, A., Late Miocene-Pleistocene detachment faulting in the northern Gulf of California and western Salton Trough and its role in evolution of the Pacific-North American plate boundary: Guidebook to Field Trip #6, Geological Society of America Cordilleran Section Meeting, California State University, Department of Geological Sciences, Long Beach, California, 29 p.

1997
Axen, G.J.
and Bartley, J.M., Field tests of rolling hinges: Existence, mechanical types and implications for extensional tectonics: Journal of Geophysical Research, v. 102, p. 20,515-20,537.

Burke, K.J. and Axen, G.J., Structural geometry resulting from episodic extension in the northern Chief Range area, eastern Nevada: U.S. Geological Survey Bulletin, v. 2153-N, p. 267-288.

1995
Axen, G.J.
, Selverstone, J., and Bartley, J.M., Structural expression of a rolling hinge in the footwall of the Brenner Line normal fault, eastern Alps: Tectonics, v. 14, p. 1380-1392.

Axen, G.J., Extensional segmentation of the Main Gulf Escarpment, Mexico and United States: Geology, v. 23, p. 515-518.

Selverstone, J., Axen, G.J., and Bartley, J.M., Fluid inclusion constraints on the kinematics of footwall uplift beneath the Brenner Line normal fault, eastern Alps: Tectonics, v. 14, p. 264-278.

Hintze, L.F., and Axen, G. J., Geologic map of the Scarecrow Peak Quadrangle, Washington County, Utah and Lincoln County, Nevada: U.S. Geological Survey Geologic Quadrangle Map, GQ-1759, 1:24,000 (includes text).

1994
Axen, G.J. and Selverstone, J., Stress state and fluid pressure level on the Whipple detachment fault, California: Geology, v. 22, p. 835-838.

Rowley, P.D., Schroba, R.R., Simonds, F.W., Burke, K.J., Axen, G.J., and Olmore, S. D., Geologic map of the Chief Mountain quadrangle, Lincoln County, Nevada: U.S. Geological Survey Geological Quadrangle Map GQ1731, 1:24,000 scale (includes text).

1993
Axen, G.J., Ramp-flat detachment faulting and low-angle normal reactivation of the Tule Spring thrust, Nevada: Geological Society of America Bulletin, v. 105, p. 1076-1090, 1 plate (1:50,000).

Axen, G.J., Taylor, W.J., and Bartley, J.M., Space-time patterns of the onset of extension and magmatism, southern Great Basin, Nevada, Utah, and California: Geological Society of America Bulletin, v. 105, p. 56-76.

Axen, G.J., The Analysis of Geological Structures by N.J. Price and J.W. Cosgrove (1990) (Book review): Journal of Geological Education, v. 41, p. 520-521.

1992
Axen, G.J., Pore pressure, stress increase, and fault weakening in low-angle normal faulting:Journal of Geophysical Research, v. 97, no. B6, p. 8979-8992.

Wdowinski, S., and Axen, G.J., Isostatic rebound due to tectonic denudation: A viscous flow model of a layered lithosphere: Tectonics, v. 11, no. 2, p. 303-315.

Rowley P., Snee, L.W., Mehnert, H.H., Anderson, R.E., Axen, G.J., Burke, K.J., Simonds, F.W., Schroba, R., and Olmore, S.D., Structural setting of the Chief Mining District, eastern Chief Range, Lincoln County, Nevada, in Thorman, C.H. (ed.), Application of structural geology to mineral and energy resources of the central and western United States, U.S. Geological Survey Bulletin, v. 2012, p. H1-H17.

1991
Axen, G.J., and Wernicke, B.P., Comment on “Tertiary extension and contraction of lower-plate rocks in the central Mojave metamorphic core complex, southern California”, by Bartley, J.M., Fletcher, J.M., and Glazner, A.F.: Tectonics, v. 10, p. 1084-1086.

Axen, G.J., Tertiary extension, magmatism, and thrust reactivation in the southern Great Basin, and a mechanical model for detachment faulting: unpublished Ph. D. thesis, Harvard University, Cambridge, MA, 235 p., 6 plates (maps and sections at 1:50,000 and 1:12,000 scales).

1990
Axen, G.J., Wernicke, B.P., Skelly, M.F., and Taylor, W.J., Mesozoic and Cenozoic tectonics of the Sevier thrust belt in the Virgin River Valley area, southern Nevada: in Wernicke, B.P. (ed.), Basin and Range extensional tectonics near the latitude of Las Vegas, Nevada,Geological Society of America Memoir 176, p. 123-153, 1 plate (1:50,000).

Wernicke, B.P., Axen, G.J., and Snow, J.K., Basin and range extensional tectonics at the latitude of Las Vegas, Nevada: Reply: Geological Society of America Bulletin, v. 102, no. 2, p. 269-270.

Rowley, P., Snee, L.W., Mehnert, H.H., Anderson, R.E., Axen, G.J., Burke, K.J., Simonds, F.W., and Schroba, R., Structural setting of the Chief Mining District, eastern Chief Range, Lincoln County, Nevada: in Thorman, C.H., Workshop on application of structural geology to mineral and energy resources of the central region: U.S. Geological Survey Open-File Report90-0508, p. 9-10, map #9.

1989
Wernicke, B.P., Snow, J.K., Axen, G.J., Burchfiel, B.C., Hodges, K.V., Walker, J.D., and Guth, P.L., Extensional tectonics in the Basin and Range Province between the southern Sierra Nevada and the Colorado Plateau: 28th International Geological Congress Field Trip Guidebook T138, American Geophysical Union, 80 p.

Axen, G.J. and Wernicke, B.P., On the role of isostasy in the evolution of normal fault systems – Reply: Geology, v. 17, no. 8, p. 775-776.

Axen, G.J., Reinterpretations of the relations between the Keystone, Red Spring, Contact and Cottonwood faults, eastern Spring Mountains, Clark County, Nevada: Discussion: Mountain Geologist, v. 26, no. 3, p. 69-70.

Taylor, W.J., Bartley, J.M., Lux, D.R., and Axen, G.J., Timing of Tertiary extension in the Railroad Valley – Pioche transect, Nevada: Constraints from 40Ar/39Ar ages of volcanic rocks:Journal of Geophysical Research, v. 94, no. 86, p. 7757-7774.

1988
Axen, G.J.
, The geometry of planar domino-style normal faults above a dipping basal detachment: Journal of Structural Geology, v. 10, no. 4, p. 405-411.

Wernicke, B.P. and Axen, G.J., On the role of isostasy in the evolution of normal fault systems: Geology, v. 16, p. 848-851.

Wernicke, B.P., Axen, G.J., and Snow, J.K., Basin and Range extensional tectonics at the latitude of Las Vegas, Nevada: Geological Society of America Bulletin, v. 100, p. 1738-1757.

Shawe, D.R., Blank, H.R. Jr., Wernicke, B.P., Axen, G.J., Barton, H.N., Day, G.W., and Rains, R.L., Mineral resources of the Mormon Mountains wilderness study area, Lincoln County, Nevada: U.S. Geological Survey Bulletin, 1729, 18 p.

Axen, G.J., Lewis, P.R., Burke, K.J., Sleeper, K.G., and Fletcher, J.M., Tertiary extension in the Pioche area, Lincoln County, Nevada: in Bartley, J.M., Axen, G.J., Taylor, W.J., and Fryxell, J.E., Cenozoic tectonics of a transect through eastern Nevada near 38° N latitude: 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. 3-5.

Bartley, J.M., Axen, G.J., Taylor, W.J., and Fryxell, J.E., Cenozoic tectonics of a transect through eastern Nevada near 38oN latitude: 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. 1-20.

1987
Axen, G.J., The Keystone and Red Spring thrust faults in the La Madre Mountain area, eastern Spring Mountains, Nevada: in Hill, M.L. (ed.), Centennial Field Guide, v. 1, Cordilleran Section of the Geological Society of America, p. 57-60.

Smith, E.I., Anderson, R.E., Bohannon, R.G., and Axen, G.J., Miocene extension, volcanism, and sedimentation in the eastern Basin and Range Province, southern Nevada: in Davis, G.H. and VandenDolder, E. (eds.), Geologic Diversity of Arizona and its Margins: Excursions to Choice Areas, Arizona Bureau of Geology and Mineral Technology Special Paper 5, p. 383-397.

1986
Axen, G.J., Superposed normal faults in the Ely Springs Range, Nevada: estimates of extension: Journal of Structural Geology, v. 8, no. 6, p. 711-713.

1985
Axen, G.J., Geologic map, and description of structure and stratigraphy, La Madre Mountain, Nevada: Geological Society of America Map and Chart Series, no. MC-51, 17 p., 2 plates (1:25,000 scale).

1984
Axen, G.J., Thrusts in the eastern Spring Mountains, Nevada: geometry and mechanical implications: Geological Society of America Bulletin, v. 95, p. 1202-1207.

Wernicke, B.P., Guth, P.L., and Axen, G.J., Tertiary extensional tectonics in the Sevier thrust belt of southern Nevada: in Lintz, J. Jr. (ed.), Western Geological Excursions, v. 4, Geological Society of America 1984 National Meeting Field Trip Guidebook, p. 473-510.

1982
Burchfiel, B.C., Wernicke, B.P., Willemin, J.H., Axen, G.J., and Cameron, C.S., A new type of decollement thrusting: Nature, v. 300, no. 5892, p. 513-515.

 

 

Abstracts, Past 5 Years

, 2007, Tectonic evolution of the North American extensional provinces: Presented at 2007 Ores and Orogenesis meeting Circum-Pacific Tectonics, Geologic Evolution, and Ore Deposits, A symposium inhonor of William Dickinson, Sponsored by the Arizona Geological Society, September 24-30, Tucson, AZ, Abstract 171; http://agssymposium.org/media/AbsPdfs/Abstract171.pdf.

Cemen, I., Catlos, E., and Axen, G ., 2007, Continental Extension in Basin and Range, USA and Western AnatoliaExtended Terrane (WAET) in western Turkey: A review: Eos, Transactions of the American Geophysical Union, v. 88, no. 52, Fall Meeting Supplement, Abstract T21D-03.

*Axen, G.J., 2007, Extensional Tectonic Events in the Basin and Range of Western North America: Eos, Transactions of the American Geophysical Union, v. 88, no. 52, Fall Meeting Supplement, Abstract T21D01.

Wernicke, B., and Axen, G.J., 2007, The Mormon Peak and Tule Springs Detachments of Southern Nevada and Their Role in Interpreting the Subsurface Structure of the Sevier Desert Basin: Eos, Transactions of the American Geophysical Union, v. 88, no. 52, Fall Meeting Supplement, Abstract T31C-0577.

Lizarralde, D., Soule, S.A., 2007, Seewald, J.S., Kent, G.M., Harding, A.J., Holbrook, W.s., Umhoeffer, P.J., Axen, G.J ., and Fletcher, J.M., The Sills of Guaymas Basin, Gulf of California: Implications for Crustal Melt Distribution and Thermogenic Carbon Flux: Eos, Transactions of the American Geophysical Union, v. 88, no. 52, Fall Meeting Supplement, Abstract T31F-03.

Umhoeffer, P.J., Sutherland, F., Kent, G., Harding, A., Lizarralde, D., Fletcher, J., Holbrook, W., Axen, G. , 2007, Synchronous changes in the rift-margin San Jose Island basin and initiation of the Alarcón spreading ridge:implications for rift to drift transition in the Gulf of California: Eos, Transactions of the American Geophysical Union, v. 88, no. 52, Fall Meeting Supplement, Abstract T31F-02.

Jacobs, D.K., Ellington, R., Haney, T., Stocks, J., Axen, G ., Findley, L.,T., and Baumiller, T.K., 2007, Tectonics, seaways, and the evolution of the endemic fauna in the Gulf of California: Geological Society of America Abstracts with Programs, v. 39, no. 6, p. 91, Abstract #31-8.

Dorsey, R J., Housen, B A., Janecke, S U., McDougall, K., Fanning, M., Fluette, A., Axen, G J., Shirvell, C R., 2006, Chronostratigraphy of the Fish Creek-Vallecito Basin, SW Salton Trough: A High-Fidelity Record of Slip on the West Salton Detachment Fault and Subsidence in its Upper Plate: Eos, Transactions of the American Geophysical Union, v. 87, no. 52, Fall Meet. Suppl., abstract T41D-1600.

Axen, G J., Janecke, S., Steely, A., Shirvell, C., Fluette, A., Kairouz, M., Housen, B., Stockli, D., Dorsey, R., Grove, M., 2006, The West Salton Detachment Fault, Salton Trough, California: a Primary Low-Angle Normal Fault in an Evolving Dextral Wrench Zone: Eos, Transactions of the American Geophysical Union, v. 87, no. 52, Fall Meet. Suppl., abstract T41D-1602.

*Umhoefer, P J., Sutherland, F., Brown, H E., Paramo, P., McTeague, M S., Kent, G., Harding, A., Holbrook, W S., Fletcher, J., Lizarralde, D., González-Fernández, A., Axen, G., 2006, Evolution of the mouth of the Gulf of California based on rift-related seismic sequences and onshore basins: Eos, Transactions of the American Geophysical Union, v. 87, no. 52, Fall Meet. Suppl., abstract T41D-1609.

Housen, B.A., Dorsey, R.J., Janecke, S.U., Axen, G.J., 2006, Evolution of Rotations in the Fish Creek Vallecito Basin, Western Salton Trough, CA: Eos, Transactions of the American Geophysical Union, v. 87, no. 52, Fall Meet. Suppl., abstract T41D-1601.

Sutherland, F.H., Kent, G.M., Harding, A.J., Umhoefer, P., Lizarralde, D., Holbrook, W S.,Axen, G., Fletcher, J., Gonzalez-Fernandez, A., 2006, Mid-Miocene to Early Pliocene Upper Crustal Extension in the Southern Gulf of California: Eos, Transactions of the American Geophysical Union, v. 87, no. 52, Fall Meet. Suppl., abstract T41D-1608.

Sagy, A., Axen, G J., Brodsky, E E., 2006, Constraints on faulting mechanisms found by combining multiscale fault surface geometry measurements with fault internal deformation structure: Eos, Transactions of the American Geophysical Union, v. 87, no. 52, Fall Meet. Suppl., abstract T31F-04.

*Sutherland, F.H., Harding, A.J., Kent, G.M., Lizarralde, D., Holbrook, W S., Umhoefer, P.,Axen, G., Fletcher, J., Gonzalez-Fernandez, A., 2006, Symmetric Rifting of Cold Lithosphere in the Southern Gulf of California: Eos, Transactions of the American Geophysical Union, v. 87, no. 52, Fall Meet. Suppl., abstract T41D-1606.

Brown, H.E, Paramo, P., Holbrook, W.S., Lizarralde, D., Kent, G., Harding, A., Gonzalez, A., Fletcher, J., Umhoefer, P., and Axen, G., 2006, Crustal Structure of the Southern Gulf of California and subducting Rivera plate: Eos, Transactions of the American Geophysical Union, abstract T41D-1607.

Gavillot, Y., Horton, B.K., Axen, G., Fakhari, M., and Stockli, D.F., 2006, Thermochronological analysis of exhumation in the Zagros Mountains: Constraints on the timing of the Arabia-Eurasia continental collision: Geological Society of America Abstracts with Programs, v. 38, no. 7, p. 419.

Sagy, A., Brodsky, E., and Axen, G., 2006, Lidar measurement of fault surface topography:Geological Society of America Abstracts with Programs, v. 38, no. 7, p. 326.

Guest, B., Horton, B., Axen, G.J., and McIntosh, W.C., 2006, Neogene basins of the west-central Alborz Mountains: implications for the onset of collision related deformation in northern Iran and the spatial and temporal development of the Turkish-Iranian Plateau: Geophysical Research Abstracts, European Geosciences Union, v. 8, 08858, SRef-ID: 1607-7962/gra/EGU06-A-08858.

*Axen, G.J., Lizarralde, D., Holbrook, S., Harding, A., Kent, G. Fletcher, J., Umhoeffer, P. González-Fernández, A., 2006, Overview of the NSF MARGINS Program, Rupturing continental lithosphere (RCL) Initiative, and results from a seismological and geological study of the Gulf of California focus site: New Mexico Geological Society Annual Spring Meeting, Socorro, NM. http://geoinfo.nmt.edu/nmgs/meeting/2006/NMGS_2006_meeting_program-abstracts.pdf

, Steeley, A., Janecke, S.J., Kairouz, M. Black, N., Shirvell, C., Housen, B., 2006, Low-angle normal faults in the northern Gulf of California extensional province: summary and implications for fault mechanics and strain partitioning: Presented at the NSF_MARGINS Rupturing Continental Lithosphere Initiative Meeting: “Lithospheric Rupture in the Gulf of California – Salton Trough Region”, Ensenada, Baja California, Mexico, January, 2006; http://www.rcl-cortez.wustl.edu/Presentations.html.

*Axen, G.J., 2005, Fluid Pressure and Mineralization in Low-Angle Normal Fault Mechanics:Eos, Transactions of the American Geophysical Union, abstract T43C-01.

*Axen, G.J., 2005, Low-Angle Normal Faults in the Gulf of California Extensional Province : Constraints on Mechanics: Eos, Transactions of the American Geophysical Union, abstract T24C-02 .

Sagy, A., Axen, G.J., and Brodsky, E.E., 2005, LIDAR measurements of fault roughness:Eos, Transactions of the American Geophysical Union, abstract T14B-02.

Housen, B.A., Dorsey, R.J., Janecke, S.U., and Axen, G.J., 2005, Rotation of Plio-Pleistocene sedimentary rocks in the Fish Creek Vallecito basin, western Salton trough, CA:Eos, Transactions of the American Geophysical Union, abstract GP13A-0039.

*Lizarralde, D., Axen, G.J., Fletcher, J.M., Fernandez, A.G., Harding, A.J., Holbrook, W.S., Kent, G.M., Umhoeffer, P.J., Brown, H., Paramo, P., Sutherland, F., Gulf of California Rift Structure and Magmatism: Guaymas Basin and Comparison With Southern Basins: Eos, Transactions of the American Geophysical Union, abstract T51E-01.

Brown, H.E., Paramo, P., Holbrook, W.S., Lizarrralde, D., Kent, G., Harding, A., Gonzalez, A., Fletcher, J., Umhoeffer, P., Axen, G., 2005, Crustal Structure of the Southern Gulf of California, the East Pacific Rise to the Jalisco Block: Eos, Transactions of the American Geophysical Union, abstract T43B-1411.

Paramo, P, Holbrook, W, Brown, H., Lizarralde, D., Fletcher, J., Umhoeffer, P., Kent, G., Harding, A., Gonzalez, A., Axen, G., Seismic structure from multi-channel seismic reflection and wide-angle data of Transect 0E in the Southern Gulf of California: Eos, Transactions of the American Geophysical Union, abstract T43B-1410.

Shirvell, C.R., Axen, G.J., and Stockli, D.F., 2005, Pliocene (U-Th)/He cooling ages from the west Salton Detachment System (WSDS), Salton trough: Geological Society of America Abstracts with Programs , v. 37, no. 7, p. 274.

Steely, A.N., Janecke, S.U., Axen, G.J., and Dorsey, R.J., 2005, Pleistocene (~1 Ma) transition from west Salton detachment faulting to cross-cutting dextral strike-slip faults in the Salton Trough: Geological Society of America Abstracts with Programs, v. 37, no. 7, p. 274.

Fakhari, M., Axen G.J., Horton, B.K., Amini, A., Hassanzadeh, J. Ghavidel-Syooki, M., and Hosseini, S.A., 2005, Revised age of the proximal Bakhtiyari Formation and implications for the evolution of the High Zagros: Geological Society of America Abstracts with Programs, v. 37, no. 7, p. 58.

Hassanzadeh, J., Malekpour, A., Grove, M., Axen, G.J., Horton, B.K., Stockli, D. , Farley, K., Schmitt, A.K., Mohajjel, M., and Ghazi, M., 2005, Biarjmand metamorphic core complex: New evidence for late Cretaceous-Paleocene extensional tectonics along the northern margin of central Iranian plateau: Geological Society of America Abstracts with Programs, v. 37, no. 7, p. 71.

Horton, B.K., Gillis, R.J., Hassanzadeh, J., Stockli, D.F., Axen, G.J., Guest, B. Amini, A., Zamanzadeh, S.M., Fakhari, M., and Grove, M., 2005, Tectonic history of Iran: Detrital zircon results: Geological Society of America Abstracts with Programs, v. 37, no. 7, p. 482.

Steely, A.N., Janecke, S., Dorsey, R.J., and Axen, G.J., 2004,Evidence for late Miocene-Quaternary low-angle oblique strike-slip faulting on the west Salton detachment fault, southern California: Geological Society of America Abstracts with Programs, v. 36, no. 4, p. 37.

Axen, G.J ., 2003, Constraints on natural fault mechanics from observations of low-angle normal faults compared with laboratory rock-strength values: Geological Society of America Abstracts with Programs, v. 35, no. 7, p. 111.

Black, N., Axen, G.J., Lizarralde, D., Kent, J.M., Harding, A.J., Holbrook, W.S., Umhoeffer, P.J., Fletcher, J.M., Gonzalez-Fernandez, A., 2003, Did flow of weak middle or lower crust accommodate extension in the Gulf of California and Salton Trough? Eos, Trans. AGU84(46), Abstract S22E-08.

Givler, R., Black, N., Axen, G.J., Lizarralde, D., Kent, J.M., Harding, A.J., Holbrook, W.S., Umhoeffer, P.J., Fletcher, J.M., Gonzalez-Fernandez, A.: Timing, style and magnitude of upper crustal extension, Sierra San Felipe, NE Baja California, Mexico: Constraints on rift processes in the NW Gulf of California extensional province, 2003, Eos, Trans. AGU 84(46), Abstract T31E-0880.

Grove, M., Fletcher, J., Axen, G.J., and Stockli, D., 2003, U-Pb zircon crystallization ages for plutonic rocks within the Sierra El Mayor and Sierra Cucapa, northwestern Baja California, Mexico: Geological Society of America Abstracts with Programs, v. 35, no. 7, p. 27.

Kairouz, M., Axen, G.J., Grove, M., Lovera, O. and Stockli, D., 2003, Late Cenozoic 40ar/39ar ages of fault rocks formed along the west Salton detachment system, southern California: Geological Society of America Abstracts with Programs, v. 35, no. 7, p. 629.

Guest, B., Axen, G.J., Hassanzadeh, J., 2003, Critical taper applied to the Alborz Mountains of northern Iran: Have the Alborz shifted from subcritical to supercritical state and what role has climate played in this shift?: Geological Society of America Abstracts with Programs, v. 35, no. 7, p. 64.

Axen, G.J., 2003, Late Oligocene(?) –early Miocene extension in the Bahía de Guadalupe region, north-central Baja California : Geological Society of America Abstracts with Programs, v. 35, no.4, p. 10.

Black, N., and Axen, G., 2003 , Structure and hanging wall stratigraphy of the Las Cuevitas detachment, central Sierra San Felipe, Baja California: Geological Society of America Abstracts with Programs, v. 35, no.4, p. 10.

Lizarralde, D., Axen, G.J., Fletcher, J.M., Fernández, A.G., Harding, A.J., Holbrook, W.S., Kent, G.M., and Umhoeffer, P.j., 2003, Seismic study of Gulf of California rifting and magmatism: Geological Society of America Abstracts with Programs, v. 35, no.4, p. 9.

Givler, R.W., and Axen, G.J., 2003, Late Cenozoic extensional tectonics of the Canon el Parral basin, Sierra San Felipe, NE Baja California: Geological Society of America Abstracts with Programs, v. 35, no.4, p. 10.