Selected Publications and Presentations
Articles
Allen, J.L., and Shaw, C.A., in review, Seismogenic structure of a crystalline thrust fault: Fabric anisotropy and coeval pseudotachylyte-mylonitic pseudotachylyte in the Grizzly Creek shear zone, Colorado, in, Fagereng, A., Toy, V.G., and Rowland, J., eds., Geology of the Earthquake Source: A Volume in Honour of Rick Sibson: Geological Society, London, Special Publication 540.
Allen, J., and Crick, D., 2010, Using undergraduate research to improve infrastructure: Council on Undergraduate Research Quarterly, v. 31, no. 1, p. 31.
Allen, J.L., 2009, Faults, frictional melts, and fossil fuel reservoirs: NSF and PRF projects supporting undergraduate research at Concord University, in, Proceedings of STaR Symposium 2009: West Virginia Higher Education Policy Commission, Division of Science and Research, p. 54-61.
Kirkham, R.M., Streufert, R.K., Cappa, J.A., Shaw, C.A., Allen, J.L., and Schroeder, T.J. II, 2008, Geologic map of the Glenwood Springs quadrangle, Garfield County, Colorado: Colorado Geological Survey Map Series, scale 1:24,000, .
Allen, J.L., and Shaw, C.A., 2007, Proterozoic geology and Phanerozoic reactivation of the newly recognized Grizzly Creek shear zone, Glenwood Canyon, Colorado, in, Raynolds, R.G., ed., Roaming the Rocky Mountains and Environs: Geological Field Trips: Geological Society of America Field Guide 10, p. 45–61, doi: 10.1130/2007.fld010(03).
Shaw, C.A., and Allen, J.L., 2007, Field rheology and structural evolution of the Homestake shear zone, Colorado: Rocky Mountain Geology, v. 42, no. 1, p. 31-56, doi: 10.2113/gsrocky.42.1.31.
Allen, J.L., 2005, A multi-kilometer pseudotachylyte system as an exhumed record of earthquake rupture geometry at hypocentral depths (Colorado, USA): Tectonophysics, v. 402, no. 1-4, p. 37-54, doi: 10.1016/j.tecto.2004.10.017.
Ferre, E., Allen, J.L., and Lin, A., 2005, Pseudotachylytes and seismogenic friction: An introduction to current research: Tectonophysics, v. 402, no. 1-4, p. 1-2, doi: 10.1016/j.tecto.2005.03.013.
Ferre, E., Allen, J.L., and Lin, A. (Eds.), 2005, Pseudotachylytes and Seismogenic Friction: Tectonophysics, v. 402, no. 1-4, 168 pp.
Allen, J.L., 2004, Timing, style, and significance of Cambrian through Laramide brittle reactivation along the Proterozoic Homestake shear zone, Colorado mineral belt: Rocky Mountain Geology, v. 39, no. 2, p. 65-84, doi: 10.2113/39.2.65.
Myrow, P.M., Taylor, J.F., Miller, J.F., Ethington, R.L., Ripperdan, R.L., and Allen, J.L., 2003, Fallen arches: Dispelling myths concerning Cambrian and Ordovician paleogeography of the Rocky Mountain region: Geological Society of America Bulletin, v. 115, p. 695-713.
Allen, J.L., O'Hara, K.D., and Moecher, D.P., 2002, Structural geometry and thermal history of pseudotachylyte from the Homestake shear zone, Sawatch Range, Colorado, in, Lageson, D., ed., Science at the Highest Level: Geological Society of America Field Guide 3, p. 17-32, doi: 10.1130/0-8137-0003-5(2002)003<0017:SGATHO>2.0.CO;2
Thomas, W.A., Allen, J.L., Mars, J.C., McDowell, R.J., Azevedo, P.A., Buck, B.J., Corner, H.J., and Dodd, J.R., 1996, Willow Creek basement fault system beneath the Southwest Montana Transverse Zone: Dormant during Cambrian-Devonian time: Mountain Geologist, v. 33, p. 115-124.
Allen, J.L., 1993, Lithofacies relations and controls on deposition of fluvial-deltaic rocks of the upper Pocahontas Formation in southern West Virginia: Southeastern Geology, v. 33, no. 3, p. 131-147.
Allen, J.L., 1993, Petrographic character of the Lower Pennsylvanian Flattop Mountain Sandstone Member and associated terrigenous channel-form sandstones, southern West Virginia: The Compass, East Carolina University special edition, v. 70, no. 2, p. 56-68.
Thomas, W.A., Ferrill, B.A., Allen, J.L., Osborne, W.E., and Leverett, D.E., 1991, Synorogenic clastic wedge stratigraphy and subsidence history of the Cahaba synclinorium and the Black Warrior foreland basin, in Thomas, W.A., and Osborne, W.E., eds., Mississippian-Pennsylvanian tectonic history of the Cahaba synclinorium: Alabama Geological Society, 28th annual field guidebook, p. 37-52.
Abstracts of Presentations [ * = Undergraduate Student Coauthor ]
Dolinar, J.*, and Allen, J.L., 2010, Micro-XRF applied to natural friction melts: Proceedings of the WV Academy of Sciences, 85th annual meeting. [Best undergraduate paper award; Morgantown, WV]
Allen, J.L., Dyess, P.G.*, Ware, I.M.*, and Bragg, J.E.*, 2009, Laramide partitioning of basement-involved deformation along the southern margin of the White River uplift, Colorado: Geological Society of America Abstracts with Programs, v. 41, no. 7, p. 458. [Portland, Oregon]
Ware, I.M.*, and Allen, J.L., 2009, Field, geochemical, and petrographic character of mylonitized pseudotachylyte in the Grizzly Creek shear zone, Glenwood Canyon, Colorado: Geological Society of America Abstracts with Programs, v. 41, no. 6, p. 50. [Orem, Utah]
Dyess, P.G.*, Shaw, C.A., Geissman, J., and Allen, J.L., 2009, Paleomagnetism of pseudotachylyte from the Mesoproterozoic Homestake shear zone, Sawatch Range, Colorado: Geological Society of America Abstracts with Programs, v. 41, no. 6, p. 50. [Orem, Utah]
Ware, I.M*., Dolinar, J.R*., and Allen, J.L., 2009, Field and geochemical characterization of a fossil earthquake zone exhumed from the middle crust at Glenwood Canyon, Colorado: Abstracts, 6th Annual Undergraduate Research Day at the Capitol, 1 p. [Charleston, West Virginia]
Allen, J.L., 2008, Structure of a pseudotachylyte-bearing earthquake barrier exhumed from the middle crust: Abstracts, 33rd International Geologic Congress, 1 p. [Oslo, Norway]
Allen, J.L., and Shaw, C.A., 2007, Coeval pseudotachylyte and mylonite in the Grizzly Creek shear zone, Colorado: A record of linked coseismic and aseismic processes in a mid-crustal thrust: Geological Society of America Abstracts with Programs, v. 39, no. 6, p. 374. [Denver, CO]
Allen, J.L., and Shaw, C.A., 2007, The role of metamorphic fabric in controlling mid-crustal seismogenic rupture and upper crustal brittle reactivation in two Colorado shear zones: An example of permanent lithospheric weakening: Geological Society of America Abstracts with Programs, v. 39, no. 6, p. 234. [Denver, CO]
Allen, J.L., and Matchen, D.L., 2007, Building a strong geoscience program from scratch: Perspectives from a new program at a state-supported PUI: Geological Society of America Abstracts with Programs, v. 39, no. 2, p. 75. [Savannah, GA]
Allen, J.L., 2006, Implementation of a new undergraduate geoscience major at Concord University: A three-phase route to success: Geological Society of America Abstracts with Programs, v. 38, no. 7, p. 205. [Philadelphia, PA]
Allen, J.L., Dennison, J.M., and Hunt, E.B.*, 2006, Asymmetric corkscrew flute casts in the Upper Devonian Brallier Formation: A local record of a Coriolis-influenced sediment system?: Geological society of America Abstracts with Programs, v. 38, no. 3, p. 5. [Knoxville, TN]
Allen, J.L., Shaw, C.A., Ferri, F.E.*, Ganak, M.E.*, Graves, A.S.*, Johnson, A.G.*, Lyman, S.J.*, and Ofsa, J.L.*, 2005, Grizzly Creek shear zone: A newly recognized frictional-plastic deformation system in the White River uplift, Colorado: Geological Society of America Abstracts with Programs, v. 37, no. 7, p. 464. [Salt Lake City, UT]
Shaw, C.A., Allen, J.L., Ferri, F.E.*, Ganak, M.E.*, Graves, A.S.*, Johnson, A.G.*, Lyman, S.J.*, and Ofsa, J.L.*, 2005, Age, setting, and reactivation of the Grizzly Creek shear zone: Tectonic implications of a newly recognized brittle/plastic thrust in central Colorado: Geological Society of America Abstracts with Programs, v. 37, no. 7, p. 60. [Salt Lake City, UT]
Dennison, J.M., Allen, J.L., and Hunt, Erin B.*, 2005, Famennian turbidite flute casts indicate southern hemisphere Devonian location of Bluefield, Virginia: Geological Society of America Abstracts with Programs, v. 37, no. 7, p. 507. [Salt Lake City, UT].
Shaw, C.A., and Allen, J.L., 2004, Brittle and plastic deformation in the Homestake shear zone, Colorado: Implications for deformation processes in the middle crust and the evolution of the Colorado Mineral Belt: Geological Society of America Abstracts with Programs, v. 36, no. 5, p. 405. [Denver, CO]
Allen, J.L., 2004, The multi-kilometer distribution of pseudotachylyte as a proxy of hypocentral rupture dynamics: Workshop on Geologic Evidence of Earthquake Source Dynamics, 32nd International Geological Congress. [Florence, Italy]
Farmer, M.L.*, and Allen, J.L., 2004, Subsurface imaging of Late Mississippian normal faults and associated paleoseismic (?) soft-sediment deformation in Mercer County, WV, using ground-penetrating radar: Proceedings of the West Virginia Academy of Sciences, 79th annual meeting, in press. [Athens, WV]
Allen, J.L., 2003, Mesoscopic structures in pseudotachylyte from the Homesake shear zone, Colorado: Geological Society of America Abstracts with Programs, v. 35, no. 6, p. 627-628. [Seattle, WA]
Taylor, J.F., Myrow, P.M., Ripperdan, R.L., Miller, J.F., Ethington, R.L., and Allen, J.L., 2002, Fallen arches: Myths concerning the Cambrian-Ordovician paleogeography of western North America: Geological Society of America Abstracts with Programs, v. 34, no. 6, p. 415. [Denver, CO]
Allen, J.L., 2001, Delineation of a km-scale coseismic rupture at hypocentral depths using pseudotachylyte vein geometry: An example from the northern Sawatch Range, Colorado: Geological Society of America Abstracts with Programs, v. 33, no. 6, p. 24. [Boston, MA]
Sullivan, W.A.*, and Allen, J.L., 2001, Stratigraphy of upper Hinton Formation sandstones in the Bluestone River Gorge, southern West Virginia: Geological Society of America Abstracts with Programs, v. 32, no. 2. [Raleigh, NC]
Allen, J.L., 2000, Student-designed field research in the introductory geology classroom: Geological Society of America Abstracts with Programs, v. 32, no. 7, p. 205. [Reno, NV]
Moecher, D.P., Cleary, M.*, O'Hara, K.D., and Allen, J.L., 1999, Mineralogy of a mullite-bearing pseudotachylyte: Geological Society of America Abstracts with Programs, v 31, no. 7, p. 359. [Denver, CO]
Allen, J.L., 1998, Stratigraphic and structural record of early Paleozoic intracratonic rifting in Colorado: Geological Society of America Abstracts with Programs, v. 30, no. 6, p. 1-2. [Flagstaff, AZ]
Allen, J.L., 1996, Geometry and significance of pseudotachylyte-bearing brittle faults rooted within a multiply reactivated shear zone: Geological Society of America Abstracts with Programs, v. 28, no.7, p. 509. [Denver, CO]
Moecher, D.P., O'Hara, K., Sharp, Z., and Allen, J.L., 1996, O isotope systematics of pseudotachylite and gneissic wall rock from the Homestake shear zone, central Colorado: Geological Society of America Abstracts with Programs, v. 28, no. 7, p. 382. [Denver, CO]
Allen, J.L., 1994, Fault-generated pseudotachylyte in a brittly reactivated shear zone, northeastern Sawatch Range, Colorado: Geological Society of America Abstracts with Programs, v. 26, p. 269. [Seattle, WA]
Allen, J.L., 1994, Early Paleozoic basement uplift and subsidence on the west-central North American craton, Colorado, U.S.A.: Abstracts, 11th International Conference on Basement Tectonics. [Potsdam, Germany]
Allen, J.L., 1993, Cambrian-Mississippian reactivation history of the Homestake shear zone, central Colorado: Geological Society of America Abstracts with Programs, v. 25, no. 5, p. 2. [Reno, NV]
Allen, J.L., 1992, Influence of a basement shear zone on stratigraphy of the Cambrian Sawatch Quartzite, northeastern Sawatch Range, Colorado: Geological Society of America Abstracts with Programs, v. 24, no. 6, p. 1.[Ogden, UT]
Thomas, W.A., Allen, J.L., McDowell, R.J., Mars, J.C., Azevedo, P.A., Buck, B.J., Corner, H.J., and Dodd, J.R., 1992, Cambrian-Devonian history of the Willow Creek Fault Zone, southwest Montana: Geological Society of America Abstracts with Programs, v. 24, no. 6, p. 65. [Ogden, UT]
Allen, J.L., 1990, Stratigraphy of clastic sediments of the upper Pocahontas Formation (Lower Pennsylvanian) in southern West Virginia: Geological Society of America Abstracts with Programs, v. 22, no. 4, p. 1-2. [Tuscaloosa, AL]