Selected Publications


Allen, J.L., Kuehn, S.C., Creamer, E.G., and Austin, J.E., 2020, A multi-semester, curriculum-embedded undergraduate research experience (MS-CURE) in the Geosciences: Contextual factors influencing student motivation for pursuing research: Scholarship and Practice of Undergraduate Research, v. 4, no. 2, p. 35–43, doi: 10.18833/spur/4/2/8. pdf

Allen, J.L., Kuehn, S.C., and Creamer, E.G., 2020, A boost for the CURE: Improving learning outcomes with curriculum-based undergraduate research: GSA Today, v. 30, no. 8, p. 28–29, doi: 10.1130/GSATG458GW.1. pdf

Allen, J.L., and Shaw, C.A., 2013, Seismogenic fault-zone processes and heterogeneity recorded by pseudotachylyte: New insights from the Homestake shear zone, Colorado, in, Abbott, L.D., and Hancock, G.S., eds., Classic Concepts and New Directions: Exploring 125 Years of GSA Discoveries in the Rocky Mountain Region: Geological Society of America Field Guide 33, p. 165–184, doi: 10.1130/2013.0033(05). pdf

Jones, J.V. III, Shaw, C.A., Allen, J.L., and Housh, T., 2013, U-Pb zircon age constraints on two episodes of Paleoproterozoic magmatism and development of the Grizzly Creek shear zone, White River uplift, western Colorado, U.S.A.: Rocky Mountain Geology, v. 48, no. 1, p. 15–39, doi: 10.2113/gsrocky.48.1.15.

Lee, P.E., Jessup, M.J., Shaw, C.A., Hicks, G.L., and Allen, J.L., 2012, Strain partitioning in the mid-crust of a transpressional shear zone system: Insights from the Homestake and Slide Lake shear zones, central Colorado: Journal of Structural Geology, v. 39, p. 237–252, doi: 10.1016/j.jsg.2012.02.006.

Matchen, D.L., Allen, J.L., Peck, R.C., and Mercier, D., 2011, Bedrock geologic map of the Bluestone National Scenic River, Flat Top and Pipestem 7.5’ quadrangles, West Virginia: West Virginia Geological and Economic Survey, Publication OF-1101, Scale 1:24,000, 32 p., 1 plate. pdf

Allen, J.L., and Shaw, C.A., 2011, Seismogenic structure of a crystalline thrust fault: Fabric anisotropy and coeval pseudotachylyte-mylonitic pseudotachylyte in the Grizzly Creek shear zone, Colorado, in, Fagereng, Å., Toy, V.G., and Rowland, J., eds., Geology of the Earthquake Source: A Volume in Honour of Rick Sibson: Geological Society, London, Special Publication 359, p. 135–151, doi: 10.1144/SP359.8. pdf

Allen, J., and Crick, D., 2010, Using undergraduate research to improve infrastructure: Council on Undergraduate Research Quarterly, v. 31, no. 1, p. 31.

Kirkham, R.M., Streufert, R.K., Cappa, J.A., Shaw, C.A., Allen, J.L., and Jones, J.V. III, 2008, Geologic map of the Glenwood Springs quadrangle, Garfield County, Colorado: Colorado Geological Survey Map Series 38, scale 1:24,000, 1 plate, 32 pp. pdf

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). pdf

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. pdf

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. pdf

Ferré, 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.

Ferré, E., Allen, J.L., and Lin, A. (Editors), 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. pdf

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, no. 6, p. 695–713, doi: 10.1130/0016-7606(2003)115<0695:FADMCC>2.0.CO;2. pdf

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: 10.1130/0-8137-003-5.17. pdf

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. pdf

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. pdf

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. pdf

Students in Greenland using a UAV to collect imagery for geologic mapping (top) and measuring offset along a faulted dike (bottom).
Very rare glimpse of a Greenlandic seal out of the water at Amerloq fjord.