Publications

“We are like a judge confronted by a defendant who declines to answer, and we must determine the truth from the circumstantial evidence.”

Alfred Wegener

PUBLICATIONS

Flowers, R.M., Zeitler, P.K., Danišík, M., Reiners, P.W., Gautheron, C., Ketcham, R.A., Metcalf, J.R., Stockli, D.F., Enkelmann, E., and Brown, R.W., 2022, (U-Th)/He chronology: Part 1. Data, uncertainty, and reporting: Geological Society of America Bulletin special volume on the Reporting and Interpretation of Geochronologic data, https://doi.org/10.1130/B36266.1.

Flowers, R.M., Ketcham, R.A., Enkelmann, E., Gautheron, C., Reiners, P.W., Metcalf, J.R., Danišík, M., Stockli, D.F., and Brown, R.W., 2022, (U-Th)/He chronology: Part 2. Considerations for evaluating, integrating, and interpreting conventional individual aliquot data: Geological Society of America Bulletin special volume on the Reporting and Interpretation of Geochronologic data, https://doi.org/10.1130/B36268.1.

Cooperdock, E.H.G., Chen, C.Y., Guevara, V.E., and Metcalf, J.R., 2021, Counteracting Systemic Bias in the Lab, Field, and Classroom: AGU Advances, v. 2, doi:10.1029/2020av000353.

Metcalf, J.R., and Flowers, R.M., 2021, (U-Th)/He Chronology, in Alderton, D. and Elias, S.A. eds., Encyclopedia of Geology (Second Edition), Academic Press, p. 66–75, doi:doi.org/10.1016/B978-0-12-409548-9.12385-1 (reviewed by an internal editor).

Robinson, K.H., Flowers, R.M., and Metcalf, J.R., 2019, Rutile (U‐Th)/He Thermochronology: Temperature Sensitivity and Radiation Damage Effects: Geochemistry, Geophysics, Geosystems, v. 20, p. 4737–4755, doi:10.1029/2019gc008484.

Weisberg, W.R., Metcalf, J.R., and Flowers, R.M., 2018, Response to comment on “Distinguishing slow cooling versus multiphase cooling and heating in zircon and apatite (U-Th)/He datasets: The case of the McClure Mountain syenite standard”: Chemical Geology, v. 498, p. 153–156, doi: 10.1016/J.CHEMGEO.2018.07.033.

Powell, J.W., Schneider, D.A., Desrochers, A., Flowers, R.M., Metcalf, J.R., Gaidies, F., and Stockli, D.F., 2018, Low-temperature thermochronology of Anticosti Island: A case study on the application of conodont (U-Th)/He thermochronology to carbonate basin analysis: Marine and Petroleum Geology, v. 96, p. 441–456, doi: 10.1016/J.MARPETGEO.2018.05.018.

Weisberg, W.R., Metcalf, J.R., and Flowers, R.M., 2018, Distinguishing slow cooling versus multiphase cooling and heating in zircon and apatite (U-Th)/He datasets: The case of the McClure Mountain syenite standard: Chemical Geology, v. 485, p. 90–99, doi: 10.1016/j.chemgeo.2018.03.038.

Kelly, N.M., Flowers, R.M., Metcalf, J.R., and Mojzsis, S.J., 2018, Late accretion to the Moon recorded in zircon (U–Th)/He thermochronometry: Earth and Planetary Science Letters, v. 482, p. 222–235, doi: 10.1016/j.epsl.2017.11.009.

Baughman, J.S., Flowers, R.M., Metcalf, J.R., and Dhansay, T., 2017, Influence of radiation damage on titanite He diffusion kinetics: Geochmica et Cosmochimica Acta, v. 205, p. 50–64, doi: 10.1016/j.gca.2017.01.049.

Giorgis, S., Weber, J., Sanguinito, S., Beno, C., and Metcalf, J.R., 2016, Thermochronology constraints on Miocene exhumation in the Central Range Mountains, Trinidad: Geological Society of America Bulletin, v. 129, p. 171–178, doi: 10.1130/B31363.1.

Hoke, G.D., Graber, N.R., Mescua, J.F., Giambiagi, L.B., Fitzgerald, P.G., and Metcalf, J.R., 2015, Near pure surface uplift of the Argentine Frontal Cordillera: insights from (U–Th)/He thermochronometry and geomorphic analysis: Geological Society London Special Publications, v. 399, p. 383–399, doi: 10.1144/SP399.4.

Kula, J., Metcalf, J.R., and Wilkinson, B.H., 2012, Condensation origin for Neoproterozoic cap carbonates during deglaciation – Comment, Geology, v. 40, n. 4, p. e265, doi:10.1130/G32688C.1.

Metcalf, J.R., Fitzgerald, P.G., Baldwin, S., Muñoz, J.A., and Schwabe, E., 2009, Thermochronology of a convergent orogen: Constraints on the timing of thrust faulting and subsequent exhumation of the Maladeta Pluton in the Central Pyrenean Axial Zone, Earth and Planetary Science Letters, v. 287, pp. 488–503.

Beamud, E., Munoz, J-A., Fitzgerald, P., Baldwin, S.L., Garcés, M., Cabrera, L., Metcalf, J., 2010, Magnetostratigraphy and detrital apatite fission track thermochronology in syntectonic conglomerates: constraints on the exhumation of the South-Central Pyrenees, Basin Research, doi: 10.1111/j.1365-2117.2010.00492.x

De Grave, J., Muslov, M.M., Van den Haute, P., Metcalf, J., Dehandschutter, B., and McWilliams, M.O., 2009, Multi-method chronometry of the Teletskoye graben and its basement, Siberian Altai Mountains: new insights on its thermo-tectonic evolution, in Lisker, F.,Ventura, B., and Glasmacher, U.A. (eds) Thermochronological Methods: From Paleotemperature Constraints to Landscape Evolution Models, Geological Society, London, Special Publications, v. 324, pp. 237–259.

Snow, C.A., Bird, D.K., Metcalf, J., and McWilliams, M., 2008, Chronology of Gold Mineralization in the Sierra Nevada Foothills from ⁴⁰Ar/³⁹Ar Dating of Mariposite, International Geology Review, v. 50, p. 1–16.

Mattinson, C.G., Colgan, J.P., Metcalf, J., Miller, E.L., and Wooden, J.L, 2007, New constraints on the timing of metamorphism and magmatism in the Funeral Mountains metamorphic core complex, Death Valley, California, Geological Society of America Special Paper 419, pp. 205–223.

De Grave, J., Buslov, M., Zhimulev, F., Vermeesch, P., McWilliams, M., and Metcalf, J., 2006, the Early Ordovician Age and Deformations in the Kotchetav Subduction-Collision Zone: New Structural and ⁴⁰Ar/³⁹Ar data, Russian Geology and Geophysics v. 47, n. 4, pp. 441–450.

Hacker, B.R., Luffi, P., Lutkov, V., Minaev, V.T., Ratschbacher, L.R., Plank, T., Ducea, M.N.,  Patino-Douce, A.E., McWilliams, M.O., and Metcalf, J., 2005.  Near-Ultrahigh Pressure Processing of Continental Crust: Miocene Crustal Xenoliths from the Pamir, Journal of Petrology, v. 46, n. 8, pp. 1661–1687.

Ducea, M. N., Lutkov, V., Minaev, V. T., Hacker, B. R., Ratschbacher, L., Luffi, P., Schwab, M., Gehrels, G. E., McWilliams, M. O., Vervoort, J., and Metcalf, J., 2003, Building the Pamirs: The view from the underside, Geology, v. 31, n. 10, pp. 849–852.

Selected Conference Abstracts

Metcalf, J.R., McGrew, A.J., and Bruno, C.B., 2018, Exhumation of a Metamorphic Core Complex: Apatite and zircon (U-Th)/He constraints on the timing and rate of cooling of the Ruby Mountains – East Humboldt – Wood Hills Metamorphic Core Complex, northeastern Nevada, Presented at the 2018 International Conference on Thermochronology, Quedlinburg, Germany, September 16-22.

Flowers, R.M., Baughman, J.S., Robinson, K.H., and Metcalf, J.R., 2018, Titanite and rutile (U-Th)/He thermochronology: Diffusion kinetics,radiation damage effects, and utility, Presented at the 2018 International Conference on Thermochronology, Quedlinburg, Germany, September 16-22.

Gombosi, D.J., Metcalf, J.R., and Flowers, R.M, 2018, Preliminary development of the pyrite (U-Th)/He chronometer, Presented at the 2018 International Conference on Thermochronology, Quedlinburg, Germany, September 16-22.

Sturrock, C.P., Flowers, R.M., Kohn, B.P., and Metcalf, J.R., Deep-time (U-Th)/He thermochronology of AHe, AFT, and ZHe datasets: a transect across the Archean Superior Province of the Canadian Shield, Presented at the 2018 International Conference on Thermochronology, Quedlinburg, Germany, September 16-22.

Samson, S.D., Bonich-Wissink, M., Flowers, R., Metcalf, J., and Fedo, C., 2018, Multichronometers of detrital accessory minerals – implications for provenance studies, Goldschmidt Abstracts, 2018 2218

Kelly, N.M., Marchi, S., Mojzsis, S.J., Flowers, R.M., Metcalf, J.R., and Bottke, W.F., 2017, Constraining the Thermal Conditionals of Impact Environments through Integrated Low-Temperature Thermochronometry and Numerical Modeling, Abstract P54B-09 presented at 2017 Fall Meeting, AGU, New Orleans, LA, 11-15 Dec.

Sturrock, C.P., Flowers, R.M., Zhong, S., Metcalf, J.R., and Kohn, B.P., 2017, Linking Craton Stability and Deep Earth Processes using Thermochronology; a Case Study in the Superior Provice of the Canadian Shield, Abstract T11D-07 presented at 2017 Fall Meeting, AGU, New Orleans, LA, 11-15 Dec.

Kelly, N.M., Metcalf, J.R., Flowers, R.M, and Mojzsis, S.M., 2017, New Information from Old Lunar Zircon – Integrating U-Pb and (U-Th)/He Chronometry, Geological Society of America, National meeting, Seattle, WA, October 2017.

Flowers, R.M., Baughman, J.S., Johnson, J.E., and Metcalf, J.R., 2017, The Exmapdning Temperature Sensitivity Range of (U-Th)/He Thermochronology from Improved Understanding of the “Big Three” (Apatite, Zircon, and Titanite): Approaches and Examples, Geological Society of America, National meeting, Seattle, WA, October 2017.

Abbott, L.A., Flowers, R.M., Metcalf, J.R., and Falkowski, S., 2017, The Pre-Rift Exhumation History along the Arkansas River Segment of Colorado’s Rio Grande Rift, Geological Society of America, National meeting, Seattle, WA, October 2017.

Niazy, F., Abbott, L.A., Metcalf, J.R., and Flowers, R.M., 2017, Exhumation History of Colorado’s South Park Basin and its Potential Causes fro Coupling Apatite (U-Th)/He Thermochronology with Constraints from Surface Geology, Geological Society of America, National meeting, Seattle, WA, October 2017.

Glotzbach, C., Lang, K., Avdievitch, N., Flowers, R., Metcalf, J., and Ehlers, T., 2017, Correcting for Long-Alpha Stopping Distances in (U-Th)/He Dating, Abstract TS1.4/GM2.5 presented at the 2017 General Assembly, EGU, Vienna, Austria, 23-28 Apr.

Bonich, M.B., Samson, S.D., Metcalf, J.R., and Flowers, R.M, 2016, Thermochronological and Isotopic Characterization of Single Apatite Crystals: From Magma Source to Exhumation: Geological Society of America, National Meeting, Denver, CO, September 2016.

Metcalf, J.R., Baughman, J.S., and Flowers, R.M., 2016, Evaluating a New, Rapid Zircon and Titanite Dissolution Method For (U-Th)/He Thermochronology: From Magma Source to Exhumation: Geological Society of America, National Meeting, Denver, CO, September 2016.

Rasdale, J.L., Lohse, R.C., Metcalf, J.R., and Aslan, A., 2016, Apatite (U/Th)/He Geochronology and Erosional History of Grand and Battlement Mesas, Western Colorado: Implications for Late Cenozoic Erosional History of the Upper Colorado River Basin: Geological Society of America, National Meeting, Denver, CO, September 2016.

Wolfe, F., Metcalf, J.R., McGrew, A.J., and Rahl, J.M., 2016, New Constraints on the Timing, Rate, and Style of Exhumation of The Wood Hills and Pequop Mountains, Elko County, Nevada: From Magma Source to Exhumation: Geological Society of America, National Meeting, Denver, CO, September 2016.

Flowers, R.M., Arrowsmith, R., Metcalf, J.R., Rittenour, T., Schoene, B.S., Hole, J., Pavlis, T., Wagner, L., Whimeyer, S., and Williams, M.L., 2015, Geology, Geochronology, and EarthScope: The EarthScope AGeS program and a new idea for a 4D-Earth initiative: Invited, Fall AGU meeting, San Francisco, CA, December 2015.

Lease, R., Haeussler, P., Metcalf, J., O’Sullivan, P.O., 2015, Accelerated erosion of high-latitude glaciated terrain in Alaska since 3-4 Ma: Fall AGU meeting, San Francisco, CA, December 2015.

Baughman, J., Flowers, R.M., Dhansay, T., Metcalf, J.R., Stoner, R., 2015, Influence of radiation damage on titanite (U-Th)/He dates from the Kaapvaal craton, southern Africa: National GSA meeting, Baltimore, MD, November 2015.

Scott, B., Metcalf, J.R., Flowers, R.M., Koenig, A., 2015, Exploring the role of apatite chemistry on apatite (U-Th)/He dates: National GSA meeting, Baltimore, MD, November 2015.

Weisberg, W.R., Metcalf, J.R., Flowers, R.M., Donelick, R., 2015, Multi-mineral (U-Th)/He thermochronometry of the standard boulder and outcrops of the McClure Mountain Syenite, Wet Mountains, Colorado: National GSA meeting, Baltimore, MD, November 2015.

Bonich, M.B., Samson, S.B., Flowers, R.M., Metcalf, J.R., and Fedo, C.M., 2015, Isotopic-thermochronologic characterization of apatite as a new proxy for provenance analysis: National GSA meeting, Baltimore, MD, November 2015.

Flowers, R.M., Arrowsmith, R., Metcalf, J.R., Schoene, B.S., and Rittenour, T., 2015, The EarthScope AGeS program: A progress report: EarthScope National Meeting, Stowe, Vermont, June 2015.

Hardie, R., Schneider, D.A., Metcalf, J.R., and Flowers, R.M., 2015, Rift flank uplift and thermal evolution of an intracratonic rift basin (eastern Canada) determined by combined apatite and zircon (U-Th)/He thermochronology: Spring AGU/GAC-MAC Joint Assembly meeting, Montreal, Canada, May, 2015.

Metcalf, J.R., Kohn, B.P., Flowers, R.M., Osadetz, K.G., Gleadow, A.J.W., 2014, Inverted apatite (U-Th)/He and fission-track dates from the Southern Canadian Shield: Evaluating the internal consistency of apatite (U-Th)/He and fission-track thermochronology datasets: Thermo2014, 14th International Conference on Thermochronology, Chamonix, France, September 2014.

Johnson, J.E., Flowers, R.M., Mahan, K.H., Baird, G.B., Metcalf, J.R. 2014, Repeated intracontinental tectonism in the Colorado Front Range: Filling critical gaps in thermal histories with titanite and zircon (U-Th)/He thermochronology: National GSA meeting, Vancouver, Canada, October 2014.

Landman, R.L., Flowers, R.M., Rosenau, N., Metcalf, J., and Powell, J., 2014, Constraining thermal histories in carbonates and marine shales: exploring the conodont AHe thermochronometer: Thermo2014, 14th International Conference on Thermochronology, Chamonix, France, September 2014.

Weisberg, W.R., Metcalf, J.R., Flowers, R.M., 2014, Thermochronology of the McClure Mountain Syenite: Characterization of new He thermochronometers and constraints on the cooling history of the Wet Mountains, Colorado: National GSA meeting, Vancouver, Canada, October 2014.

Weisberg, W.R., Metcalf, J.R., Flowers, R.M., 2014, Thermochronology of the McClure Mountain Syenite: Characterization of new He thermochronometers and constraints on the cooling history of the Wet Mountains, Colorado: Association of Missouri Geologists annual, meeting, September 2014.

Metcalf, J.R., and Flowers, R.M., 2013, Initial Development of Baddeleyite (U-Th)/He Thermochronology: Geological Society of America Abstracts with Programs, v. 45, no. 7, p. 223.

Beno, C., Metcalf, J.R., Flowers, R., Giorgis, S., Weber, J., and Anonymous, 2012, Thermochronologic constraints on Miocene transpressional exhumation along the Central Range fault zone, Trinidad: Abstracts with Programs – Geological Society of America, v. 44, no. 7, p. 597.

Fitzgerald, P.G., J.R. Metcalf, S.L. Baldwin, J.A. Munoz, 2010, Thermal and exhumation histories of the footwall and hanging wall of the Gavarnie thrust, West-Central Pyrenees: Implications for thrusting”, (2010). Conference Abstract, Published
Bibliography: Abstract T51A-2015 presented at 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 December.

Metcalf, J. R., Fitzgerald, P. G., Baldwin, S. L., Muñoz, J-A., and Perry, S. E., 2010, Along-strike variation in the exhumation of the Pyrenean orogen; insights from the Orri thrust sheet in the footwall of the Gavarnie thrust, south-central Pyrenees, in Dobson, K. J., and Brown, R., eds., Proceedings of the 12th International Conference on Thermochronometry: Glasgow, Scotland.

Fitzgerald, P. G., Metcalf, J. R., Baldwin, S. L., and Muñoz, J-A., 2010, Exhumation of the Neouvielle massif in the hanging wall of the Gavarnie thrust, west-central Pyrenees: thermochronologic constraints and comparisons with footwall exhumation, in Dobson, K. J., and Brown, R., eds., Proceedings of the 12th International Conference on Thermochronometry: Glasgow, Scotland.

Fitzgerald, P. G., Muñoz, J-A., Beamud, E., Baldwin, S. L., and Metcalf, J. R., 2010, Detrital apatite fission track thermochronology: Application to the syn-tectonic conglomerates of the south-central Pyrenees and exhumation of the central Pyrenean orogen, in Dobson, K. J., and Brown, R., eds., Proceedings of the 12th International Conference on Thermochronometry: Glasgow, Scotland.

Metcalf, J.R., Fitzgerald, P.G., Baldwin, S., and Muñoz, J.A, Perry, S.E., and Feinberg, E.B., 2009, Thermochronological constraints on the exhumation of the Lys Caillaouas Massif, west-central Pyrenees, Eos, Transactions, American Geophysical Union, vol. 90, no. 52 Fall Met. Suppl., Abstract T33A-1875.

Metcalf, J.R., Fitzgerald, P.G., Baldwin, S., and Muñoz, J.A, 2008, Thermal history of the central Pyrenees: Combining low-temperature thermochronology and inverse thermal modeling to constrain the formation of convergent orogens,  Eos, Transactions, American Geophysical Union, vol. 89, no. 53 Fall Met. Suppl., Abstract T23C-2053.

Fitzgerald, P.G., Baldwin, S., Metcalf, J.R., Muñoz, J.A., and Schwabe, E., 2008, Along-strike variation of the uplift and exhumation history of the Pyrenean orogen: Constraining the evolution of an intraplate orogen, in Garver, J.I. and Montario, M.J (eds) Proceedings from the 11th International Conference on Thermochronometry, Anchorage Alaska.

Metcalf, J.R., Fitzgerald, P.G., Baldwin, S., Muñoz, J.A., and Schwabe, E., 2008, Thermochronologic constraints on the timing and magnitude of thrust faulting in the axial zone of the Pyrenees, in Garver, J.I. and Montario, M.J (eds) Proceedings from the 11th International Conference on thermochronometry, Anchorage Alaska.

Metcalf, J.R., Fitzgerald, P.G., Baldwin, S., Muñoz, J.A., and Schwabe, E., 2007, Thermal history of the Maladeta pluton: Multiple thermochronologic controls on the burial heating and exhumation of the Pyrenean axial zone, EOS Trans. AGU, v.88, n. 52, Fall Meet. Suppl., Abstract T23D-1658.

Metcalf, J.R., Brown, R.W., and Dumitru, T.A., 2006, Multiple Miocene Basin-and-Range extensional episodes in the Deep Creek Range, western Utah, Geological Society of America Abstracts with Programs, v. 38, p. 417.

Colgan, J.P., and Metcalf, J.R., 2006, Rapid Middle Miocene unroofing of the southern Ruby Mountains, Nevada, Geological Society of America Abstracts with Programs, v. 38, p. 417.

Colgan, J. P., Metcalf, J. R., 2006, Apatite fission-track and (U-Th)/He dating of slip on the Crescent Fault, Nevada: Eos, Transactions, American Geophysical Union, vol. 87, Fall Meeting Suppl., Abstract T11D-0466.

Fosdick, J.C., Colgan, J.P., Metcalf, J.R., Dumitru, T.A., and Miller, E.L., 2006, Multiple episodes of extension across the East Range, Nevada, a Tertiary extensional transition zone in the northern Basin and Range Province, Geological Society of America Abstracts with Programs, v. 38, p. 411.

Metcalf, J.R., and McWilliams, M., 2005, Apatite (U-Th)/He constraints on the Cenozoic thermal history of the Dabie Shan, eastern China, Geological Society of America Abstracts with Programs, v. 37, p. 388.

Scherer, H.H., and Metcalf, J.R., 2005, Learning to teach in the field, Geological Society of America Abstracts with Programs, v. 37, p. 279.

DeGrave, J., Van Den Haute, P., Buslov, M., Vermeesch, P., Dehandschutter, B., Metcalf, J., McWilliams, M., and Vysotsky, E., 2005, Paleozoic assembly, Mesozoic reactivation, and Late Cenozoic deformation of the basement of the Siberian Altai mountains: A multi-method thermochronometric study, Geological Society of America Abstracts with Programs, v. 37, p. 345.

Vermeesch, P., Miller, D., Dumitru, T., Surpless, K., Graham, S., Metcalf, J., and McWilliams, M., 2003, Multi-method detrital thermochronology of the Great Valley Group, California, Geological Society of America Abstracts with Programs, v. 35, p. 466.

Mattinson, C.G., Colgan, J., Metcalf, J., Jones, R., Lerch, D., McWilliams, M., Miller, E., Whitehill, C., and Wooden, F., 2003, Metamorphism, partial melting, and deformation in the Funeral Mountains metamorphic core complex, Death Valley, California, Geological Society of America Abstracts with Programs, v. 35, p. 640.

Hacker, B.R., Luffi, P., Lutkov, V., Minaev, V., Ratschbacher, L., Patino-Douce, A., Ducea, M.N., McWilliams, M., and Metcalf, J., 2003, Near-ultrahigh pressure processing of subducted continental crust; Miocene crustal xenoliths from the Pamirs, Geological Society of America Abstracts with Programs, v. 35, p. 558.

Metcalf, J.R., A. Booth, J. Colgan, J. Hourigan, K. Krylov, C. Mattinson, M. McWilliams, E. Miller, H. Scherer, and J. Wooden, 2002, New constraints on the deformational and metamorphic history of the Funeral Mountains metamorphic core complex, Death Valley, California, Geological Society of America Abstracts with Programs, v. 34, p. 332.

Metcalf, J.R., and C. Davidson, 1997, Quantitative fabric analysis of the Quottoon pluton: Implications in the late deformation history of the Coast shear zone, Geological Society of America Abstracts with Programs, v. 29, p. 277.