Publications

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Tam, E., Webb, L.E., Aiken, C., Kim, J., and Klepeis, K., 2023, Formation of the Green Mountain Anticlinorium in northern Vermont at ca. 420 Ma. In Whitmeyer, S.J., Kellett, D.A., and Tikoff, B., eds., Laurentia in the Evolution of a Continent: Geological Society of America Memoir 220, p. 561-575, doi.org/10.1130/2022.1220(27).


Brombin, V., Pettitt, E. A., Fahnestock, M. F., Casalini, M., Webb, L. E., Bryce, J. G., and Bianchini, G., 2021. New geochemical and geochronological data on the Cenozoic Veneto Volcanic Province: Geodynamic inferences. Lithos, doi.org/10.1016/j.lithos.2021.106507.


Caswell, B., Gilotti, J.A., Webb, L.E., McClelland, W.C., Kośmińska, K., Piepjohn, K., and von Gosen, W., 2021. 40Ar/39Ar Dating of Paleoproterozoic shear zones in the Ellesmere-Devon Crystalline Terrane, Nunavut, Canadian Arctic, Canadian Journal of Earth Sciences, v. 58, no. 10, p. 1073-1084. DOI 10.1139/cjes-2020-0197.

Boemmels, J.R., Crespi, J.M., Webb, L.E., and Fosdick, J.C., 2021. 40Ar/39Ar and LA-ICP-MS U-Pb geochronology for the New England portion of the Early Cretaceous New England-Quebec igneous province: Implications of the postrift evolution of the eastern North American margin. American Journal of Science, v. 321, p. 365-391. DOI 10.2475/03.2021.03.

Locmelis, M., Moroni, M., Denyszyn, S., Webb, L., Fiorentini, M., Sessa, G., Caruso, S., Mathur, R., Nanzad, B., 2020. On the formation of magmatic sulfide systems in the lower crust by long-lived mass transfer through the lithosphere: Insights from the Valmaggia pipe, Ivrea Verbano Zone, Italy. Terra Nova. DOI: 10.1111/ter.12499.

Schaen, Allen J., et al., 2020, "Interpreting and reporting 40Ar/39Ar geochronologic data. GSA Bulletin, doi: https://doi.org/10.1130/B35560.1. 

Klepeis, K.A., Webb, L.E., Blatchford, H.J., Jongens, R., Turnbull, R., and Schwartz, J.J., 2019, The age and origin of Miocene–Pliocene fault reactivations in the upper plate of an incipient subduction zone, Puysegur Margin, New Zealand. Tectonics, v. 38, doi.org/10.1029/2019TC005674.

Klepeis, K.A., Webb, L.E., Blatchford, H., Schwartz, J., Jongens, R., Turnbull, R., and Stowell, H., 2019. Deep slab collision during Miocene subduction causes uplift along crustal-scale reverse faults in Fiordland, New Zealand. GSA Today, v. 29. doi.org/10.1130/GSATG399A.1.

Brombin, V., Bonadiman, C., Jourdan, F., Roghi, G., Coltori, M., Webb, L.E., Callegaro, S., Bellieni, G., De Vecchi, G., Sedea, R., Marzoli, A., 2019, Intraplate magmatism at a convergent plate boundary: the case of the Cenozoic northern Adria magmatism. Earth-Science Reviews, v. 162, p. 355-378.

Webb, L.E., and Klepeis, K.A., in press, 40Ar/39Ar constraints on the Tectonic evolution of the Late Paleozoic and Early Mesozoic accretionary complex of coastal Central Chile. Submitted for book chapter in Horton, B., and Folguera, A. eds. Andean Tectonics; Elsevier.

Cordova, J.L., Mulcahy, S.R., Schermer, E.R., and Webb, L.E., 2018. Subduction initiation and early evolution of the Easton Metamorphic Suite, Northwest Cascades, Washington. Lithosphere. doi.org/10.1130/L1009.1

Heumann, M.J., Johnson, C.L., Webb, L.E., 2017, Plate interior polyphase fault systems andsedimentary basin evolution: Case study of the East Gobi Basin and East Gobi Fault Zone, southeastern Mongolia, Journal of Asian Earth Sciences, in press. doi: 10.1016/j.jseaes.2017.05.017.

Webber, J.R., Klepeis, K.A., Webb, L.E., Cembrano, J., Morata, D., Mora-Klepeis, G., and Arancibia, G., 2015, Deformation and magma transport in a crystallizingplutonic complex, Coastal Batholith, central Chile, Geosphere, Vol. 11, No. 5., p. 1401-1426.

Webb, L.E., Baldwin, S.L. and Fitzgerald, P.G., 2014, The Early–Middle Miocene subduction complex of the Louisiade Archipelago, southern margin of the Woodlark Rift. Geophysics, Geochemistry, Geosystems, doi: 10.1002/2014GC005500.

Heumann, M.J., Johnson, C.L., Webb, L.E., Taylor, J.P., Jalbaa, U., and Minjin, C., 2014, Total and incremental left-lateral displacement across the East Gobi FaultZone, southern Mongolia: implications for timing and modes of polyphaseintracontinental deformation, Earth and Planetary Science Letters, v. 392, p. 1-15, doi: 10.1016/j.epsl.2014.01.016.

Ashley, K.T., Webb, L.E., Spear, F.S., and Thomas, J.B., 2013, P-T-D histories from quartz: A case study of the application of the TitaniQ thermobarometer to progressive fabric development in metapelites, Geochemistry, Geophysics, Geosystems, doi: 10.1002/ggge.20237.

Taylor, J., Webb, L., Johnson, C., and Heumann, M., 2013, The lost South Gobi Microcontinent: protolith studies of metamorphic tectonites and implications for the evolution of continental crust in southeastern Mongolia, Geosciences, special issue: Continental Accretion and Evolution, doi:10.3390/geosciences3030543.

Leech, M.L., and Webb, L.E., 2013, Is the HP-UHP Hong'an-Dabie-Sulu orogen a piercing point for offset on the Tan-Lu fault? Journal of Asian Earth Sciences, doi: 10.1016/j.jseaes.2012.08.005.

Spear, F., Ashley, K.T., Webb, L.E., and Thomas, J., 2012, Ti diffusion in quartz inclusions: implications for metamorphic time scales, Contributions to Mineralogy and Petrology, doi: 10.1007/s00410-012-0783-z.

Heumann, M.J., Johnson, C.L., Webb, L.E., Taylor, J.P., Jalbaa, U., and Minjin, C., 2012, Paleogeographic reconstruction of a late Paleozoic arc collision zone, southern Mongolia, Geological Society of America Bulletin, doi:10.1130/B30510.1.

Baldwin, S.L., Fitzgerald, P.G., and Webb, L.E., 2012, Tectonics of the New Guinea region, Annual Review of Earth and Planetary Sciences, v. 40, p. 495-520. doi: 10.1146/annurev-earth-040809-152540

Webb, L.E., Johnson, C.L., and Minjin, C., 2010, Late Triassic sinistral shear in the East Gobi Fault Zone, Mongolia, Tectonophysics, doi: 10.1016/j.tecto.2010.09.033.

Webb, L.E., Baldwin, S.L., Little, T.A., and Fitzgerald, P.G., 2008, Can microplate rotation drive subduction inversion? Geology, v. 36, p. 823–826.

Baldwin, S.L., Webb, L.E., and Monteleone, B.D., 2008, Late Miocene coesite-eclogite exhumed in the Woodlark Rift, Geology, v. 36, p. 735–738.

Monteleone, B.D., Baldwin, S.L., Webb, L.E., Fitzgerald, P.G., Grove, M., and Schmidt, A.K., 2007, Late Miocene–Pliocene eclogite-facies metamorphism, D'Entrecasteaux Islands, SE Papua New Guinea, Journal of Metamorphic Geology, v. 25, p. 245–265.

Webb, L.E., and Johnson, C.L., 2006, Tertiary strike-slip faulting in southeastern Mongolia and implications for Asian tectonics, Earth and Planetary Science Letters, v. 241, p. 323–335.

Webb, L.E., Leech, M.L., and Yang, T., 2006, 40Ar/39Ar thermochronology of the Sulu terrane: Late Triassic exhumation of high and ultrahigh-pressure rocks and implications for Mesozoic tectonics in East Asia, in Geological Society of America Special Paper Ultrahigh-Pressure Metamorphism: Deep Continental Subduction, edited by B.R. Hacker, B. McClelland, and J.G. Liou, p. 77–92.

Leech, M.L., Webb, L.E., and Yang, T., 2006, Diachronous histories for the Dabie-Sulu orogen from high-temperature geochronology, in Geological Society of America Special Paper Ultrahigh-Pressure Metamorphism: Deep Continental Subduction, edited by B.R. Hacker, B. McClelland, and J.G. Liou, p. 1–22.

Lewis, A.R., Marchant, D.R., Baldwin, S.L., and Webb, L.E., 2006, The age and origin of the Labyrinth, western Dry Valleys, Antarctica: evidence for extensive middle Miocene subglacial floods and freshwater discharge to the Southern Ocean, Geology, v. 34, p. 513–516.

Fitzgerald, P., Baldwin, S., Webb, L.E., and O'Sullivan, P., 2006, Interpretation of (U-Th)/He single grain ages from slowly cooled crustal terranes: A case study from the Transantarctic Mountains of southern Victoria Land, Chemical Geology, v. 225, p. 91–120.

Baldwin, S.L., Monteleone, B., Webb, L.E., Fitzgerald, P.G., Grove, M and Hill, E.J., 2004, Pliocene eclogite exhumation at plate tectonic rates in eastern Papua New Guinea, Nature, v. 431, p. 263–267.

Ratschbacher, L., Hacker, B.R., Calvert, A., Webb, L.E., Grimmer, J.C., McWilliams, M., Ireland, T.R., Dong, S. and Hu, J., 2003, Tectonics of the Qinling (central China): Tectonostratigraphy, geochronology, and deformation kinematics, Tectonophysics, v. 336, p. 1–53.

Johnson, C.L., Webb, L.E., Graham, S.A., Hendrix, M., and Badarch, G., 2001, Sedimentary and structural records of late Mesozoic high-strain extension and strain partitioning, East Gobi Basin, southern Mongolia, Memoir - Geological Society of America, v. 194, p. 231–246.

Webb, L.E., Ratschbacher, L., Hacker, B.R. and Dong, S., 2001, Kinematics of exhumation of high- and ultrahigh-pressure rocks in the Hong’an and Tongbai Shan of the Qinling–Dabie collisional orogen, eastern China, Memoir - Geological Society of America, v. 194, p. 413–434.

Graham, S.A., Hendrix, M.H., Johnson, C.L., D. Badamgarav, G. Badarch, Amory, J., Porter, M., R. Barsbold, Webb, L.E., Hacker, B., 2001, Sedimentary record and tectonic implications of Mesozoic rifting in southeast Mongolia, GSA Bulletin, v. 113, p. 1560–1579.

Hacker, B.R., Ratschbacher, L., Webb, L.E., McWilliams, M., Calvert, A., Dong, S., Wenk, H.-R., and Chateigner, D., 2000. Exhumation of ultrahigh-pressure rocks in the Dabie-Hong'an area: Late Triassic-Early Jurassic tectonic unroofing, Journal of Geophysical Research, v. 105, p. 13,339–13,364.

Ratschbacher, L., Hacker, B.R., Webb, L.E., Calvert, A., Ireland, T.R., McWilliams, M.O., Dong, S., Chateigner, D., and Wenk, H.-R., 2000. Exhumation of the ultrahigh-pressure continental crust in east-central China: Cretaceous and Cenozoic unroofing and the Tan-Lu Fault, Journal of Geophysical Research, v. 105, 13303–13338.

Lamb, M.A., Hanson, A.D., Graham, S.A., Badarch, G., and Webb, L.E., 1999, Left-lateral sense offset of Upper Proterozoic and Paleozoic features on the Gobi Onon, Tost, and Zuunbayan faults in southern Mongolia and implications for other central Asian faults, Earth and Planetary Science Letters, v. 173, p. 183–194

Webb, L.E., Hacker, B.R., Ratschbacher, L., Michael O. McWilliams, and Dong S., 1999. Thermochronologic constraints on deformation and cooling history of high and ultrahigh-pressure rocks in the Qinling–Dabie orogen, Tectonics, v. 18, p. 621–638.

Webb, L.E., Graham, S.A., Johnson, C.L., Badarch, G., Hendrix, M., 1999. Occurrence, age, and implications of the Yagan–Onch Hayrhan metamorphic core complex, southern Mongolia, Geology, v. 27, p. 143–146.

Hacker, B.R., Ratschbacher, L., Webb, L.E., Ireland, T., Walker, D., and Dong S., 1998. U/Pb Zircon ages constrain the architecture of the ultrahigh-pressure Qinling–Dabie orogen, China, Earth and Planetary Science Letters, v.161, p. 215–230.

Hacker, B.R., Ratschbacher, L., Webb, L.E., and Dong S., 1995. What brought them up? Exhumation of the Dabie Shan ultrahigh-pressure rocks, Geology, v. 23, p. 743–746.

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