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Publications

  1. Rivera, T.A., Schmitz, M.D., Jicha, B.R. Crowley, J.L., 2016, Zircon petrochronology and 40Ar/39Ar sanidine dates for the Mesa Falls Tuff: crystal scale records of magmatic evolution and the short lifespan of a large Yellowstone magma chamber. Journal of Petrology, doi: 10.1093/petrology/egw053.
  2. Craddock, J. P., Schmitz, M. D., Crowley, J. L., Larocque, J., Pankhurst, R. J., Juda, N., Konstantinou, A., Storey, B., 2016, Precise U-Pb zircon ages and geochemistry of Jurassic granites, Ellsworth-Whitmore terrane, central Antarctica. Geological Society of America Bulletin, Pre-Issue Publication.
  3. MacNaughton, Robert B.; Moynihan, David P.; Roots, Charles F.; and Crowley, James L. (2016). “New Occurrences of Oldhamia in Eastern Yukon, Canada: Stratigraphic Context and Implications for Cambrian Deep-Marine Biostratigraphy”. Ichnos: An International Journal for Plant and Animal Traces, 23(1-2), 33-52.
  4. Lanik, A., Over, D. J., Schmitz, M. D., & Kirchgasser, W. T., 2016, Testing the limits of chronostratigraphic resolution in the Appalachian basin, Late Devonian (middle Frasnian), eastern North America; new U-Pb zircon dates for the Belpre tephra suite. Geological Society of America Bulletin, Pre-Issue Publication.
  5. Kurz, G.A., Schmitz, M.D., Northrup, C.J., Vallier, T.L., 2016, Isotopic compositions of intrusive rocks from the Wallowa and Olds Ferry arc terranes of northeastern Oregon and western Idaho: Implications for Cordilleran evolution, lithospheric structure, and Miocene magmatism. Lithosphere, Pre-Issue Publication.
  6. Opluštil, S., Schmitz, M.D., Cleal, C.J., Martínek, K., 2016, A review of the Middle–Late Pennsylvanian west European regional substages and floral biozones, and their correlation to the Geological Time Scale based on new U–Pb ages. Earth-Science Reviews 154, 301-335.
  7. Smith, Emily F.; MacDonald, Francis A.; Crowley, James L.; Hodgin, Eben B.; and Schrag, Daniel P. (2016). “Tectonostratigraphic Evolution of the c. 780–730 Ma Beck Spring Dolomite: Basin Formation in the Core of Rodinia”. Geological Society, London, Special Publications, 424, 213-239.
  8. Spandler, C., Hammerli, J., Sha, P., Hilbert-Wolf, H., Hu, Y., Roberts, E., Schmitz, M.D., 2016, MKED1: a new titanite standard for in situ analysis of Sm-Nd isotopes and U-Pb geochronology. Chemical Geology 425, 110-126.
  9. Michel, L.A., Schmitz, M.D., Tabor, N.J., Montanez, I.P., Davydov, V.I., 2016. Reply to the comment on “Chronostratigraphy and Paleoclimatology of the Lodève Basin, France: Evidence for a pan-tropical aridification event across the Carboniferous-Permian boundary” by Michel et al.,(2015). Palaeogeography, Palaeoclimatology, Palaeoecology 430, 118-131. Palaeogeography, Palaeoclimatology, Palaeoecology 441, 1000–1004.
  10. Wainman, C. C.; McCabe, P. J.; Crowley, J. L.; and Nicoll, R. S. (2015). “U-Pb Zircon Age of the Walloon Coal Measures in the Surat Basin, Southeast Queensland: Implications for Paleogeography and Basin Subsidence”. Australian Journal of Earth Sciences, 62(7), 807-816.
  11. Samperton, K.M., Schoene, B., Cottle, J.M., Keller, C.B., Crowley, J.L., Schmitz, M.D., 2015, Magma differentiation and cooling in the middle crust: integrated zircon geochronological-geochemical constraints from the Bergell Intrusion, Central Alps. Chemical Geology 417, 322-340.
  12. Gulbranson, E.L., Ciccioli, P.L., Montanez, I.P., Marenssi, S.A., Limarino, C.O., Schmitz, M.D., Davydov, V.I., 2015, Paleoenvironments and age of the Talampaya Formation: The Permo-Triassic boundary in northwestern Argentina. Journal of South American Earth Sciences 63, 310-322.
  13. Soucy La Roche, Renaud; Gervais, Félix; Tremblay, Alain; Crowley, James L.; and Ruffet, Gilles. (2015). “Tectono-Metamorphic History of the Eastern Taureau Shear Zone, Mauricie Area, Québec: Implications for the Exhumation of the Mid-Crust in the Grenville Province”. Precambrian Research, 257, 22-46.
  14. Colpron, Maurice; Crowley, James L.; Gehrels, George; Long, Darrel G.F.; Murphy, Donald C.; Beranek, Luke; and Bickerton, Luke. (2015). “Birth of the Northern Cordilleran Orogen, as Recorded by Detrital Zircons in Jurassic Synorogenic Strata and Regional Exhumation in Yukon”. Lithosphere, 7(5), 541-562.
  15. Davydov, V.I., Biakov, A.S., Isbell, J.L., Crowley, J.L., Schmitz, M.D., Vedernikov, I.L., 2015, Middle Permian U–Pb zircon ages of the “glacial” deposits of the Atkan Formation, Ayan-Yuryakh anticlinorium, Magadan province, NE Russia: their significance for global climatic interpretations. Gondwana Research, doi:10.1016/j.gr.2015.10.014.
  16. Cox, G.M., Strauss, J.V., Halverson, G.P., Schmitz, M.D., McClelland, W.C., Stevenson, R.S., Macdonald, F.A., 2015. Kikiktat volcanics of Arctic Alaska—Melting of harzburgitic mantle associated with the Franklin large igneous province. Lithosphere 7, 275–295. doi:10.1130/L435.1.
  17. LaMaskin, T.A., Dorsey, R.J., Vervoort, J.D., Schmitz, M.D., Tumpane, K.P., Moore, N.O., 2015. Westward Growth of Laurentia by Pre–Late Jurassic Terrane Accretion, Eastern Oregon and Western Idaho, United States. The Journal of Geology 123, 233–267. doi:10.1086/681724.
  18. Aguirre-Urreta, B., Lescano, M., Schmitz, M.D., Tunik, M., Concheyro, A., Rawson, P.F., and Ramos, V.A., 2015, Filling the gap: new precise Early Cretaceous radioisotopic ages from the Andes: Geological Magazine, online, doi: 10.1017/S001675681400082X.
  19. Metcalfe, I., Crowley, J.L., Nicoll, R.S., Schmitz, M., 2015, High-precision U-Pb CA-TIMS calibration of Middle Permian to Lower Triassic sequences, mass extinction and extreme climate-change in eastern Australian Gondwana. Gondwana Research 28, 61–81. doi:10.1016/j.gr.2014.09.002.
  20. Michel, L.A., Tabor, N.J., Montanez, I.P., Schmitz, M.D., Davydov, V.I., 2015, Chronostratigraphy and Paleoclimatology of the Lodève Basin, France: Evidence for a pan-tropical aridification event across the Carboniferous-Permian boundary. Palaeogeogr Palaeocl 430, 118–131. doi:10.1016/j.palaeo.2015.03.020.
  21. Cramer, B.D., Schmitz, M.D., Huff, W.D., and Bergstrom, S.M., 2015, High-precision U-Pb zircon age constraints on the duration of rapid biogeochemical events during the Ludlow Epoch (Silurian Period): Journal Of The Geological Society, online, doi: 10.1144/jgs2014-094.
  22. Kennedy, A.K., Wotzlaw, J.F., Schaltegger, U., Crowley, J.L., and Schmitz, M., 2014, Eocene zircon reference material for microanalysis of U-Th-Pb isotopes and trace elements: The Canadian Mineralogist 52(3):409–421, doi: 10.3749/canmin.52.3.409.
  23. Rivera, T.A., Schmitz, M.D., Crowley, J.L., and Storey, M., 2014, Rapid magma evolution constrained by zircon petrochronology and 40Ar/39Ar sanidine ages for the Huckleberry Ridge Tuff, Yellowstone, USA: Geology 42(8):643–646, doi: 10.1130/G35808.1.
  24. Israel, Steve; Bernanek, Luke; Friedman, Richard M.; and Crowley, James L.. (2014). “New Ties Between the Alexander Terrane and Wrangellia and Implications for North America Cordilleran Evolution”. Lithosphere, 6(4), 270-276.
  25. Goudie, D. J., Fisher, C. M., Hanchar, J. M., Crowley, J. L. & Ayers, J. C., 2014, Simultaneous in situ determination of U-Pb and Sm-Nd isotopes in monazite by laser ablation ICP-MS. Geochem. Geophys. Geosyst 15:2575–2600.
  26. Jirásek, J., Wlosok, J., Sivek, M., Matýsek, D., Schmitz, M., Sýkorová, I., and VAŠÍČEK, Z., 2014, U-Pb zircon age of the Krásné Loučky tuffite: the dating of Visean flysch in the Moravo-Silesian Paleozoic Basin (Rhenohercynian Zone, Czech Republic): Geological Quarterly 58(4):659-672, doi: 10.7306/gq.1201.
  27. Nettle, D., Halverson, G.P., Cox, G.M., Collins, A.S., Schmitz, M., Gehling, J., Johnson, P.R., and Kadi, K., 2014, A middle-late Ediacaran volcano-sedimentary record from the eastern Arabian-Nubian shield: Terra Nova, v. 26, no. 2, p. 120–129, doi: 10.1111/ter.12077.
  28. Hoke, G.D., Schmitz, M.D., and Bowring, S.A., 2014, An ultrasonic method for isolating nonclay components from clay-rich material: Geochemistry Geophysics Geosystems 15(2):492–498, doi: 10.1002/2013GC005125.
  29. Khodjanyazova, R.R., Davydov, V.I., Montanez, I.P., and Schmitz, M.D., 2014, Climate- and eustasy-driven cyclicity in Pennsylvanian fusulinid assemblages, Donets Basin (Ukraine): Palaeogeography Palaeoclimatology Palaeoecology, v. 396(C):41–61, doi: 10.1016/j.palaeo.2013.12.038.
  30. Macdonald, F.A., Ryan-Davis, J., Coish, R.A., Crowley, J.L., and Karabinos, P., 2014, A newly identified Gondwanan terrane in the northern Appalachian Mountains: Implications for the Taconic orogeny and closure of the Iapetus Ocean: Geology 42(6):539–542, doi: 10.1130/G35659.1.
  31. Thompson, M.D., Ramezani, J., and Crowley, J.L., 2014, U-Pb zircon geochronology of Roxbury Conglomerate, Boston Basin, Massachusetts: Tectono-stratigraphic implications for Avalonia in and beyond SE New England: American Journal of Science 314(6):1009–1040, doi: 10.2475/06.2014.02.
  32. Nettle, D., Halverson, G.P., Cox, G.M., Collins, A.S., Schmitz, M., Gehling, J., Johnson, P.R., and Kadi, K., 2014, A middle-late Ediacaran volcano-sedimentary record from the eastern Arabian-Nubian shield: Terra Nova 26(2):120–129, doi: 10.1111/ter.12077.
  33. Clyde, W.C., Wilf, P., Iglesias, A., Slingerland, R.L., Barnum, T., Bijl, P.K., Bralower, T.J., Brinkhuis, H., Comer, E.E., Huber, B.T., Ibanez-Mejia, M., Jicha, B.R., Krause, J.M., Schueth, J.D., et al., 2014, New age constraints for the Salamanca Formation and lower Rio Chico Group in the western San Jorge Basin, Patagonia, Argentina: Implications for Cretaceous-Paleogene extinction recovery and land mammal age correlations: Geological Society of America Bulletin 126(3-4):289–306, doi: 10.1130/B30915.1.
  34. Forasiepi, A.M., Cerdeño, E., Bond, M., Schmidt, G.I., Naipauer, M., Straehl, F.R., Martinelli, A.G., Garrido, A.C., Schmitz, M.D., and Crowley, J.L., 2014, New toxodontid (Notoungulata) from the Early Miocene of Mendoza, Argentina: Paläontologische Zeitschrift, online, doi: 10.1007/s12542-014-0233-5.
  35. Calver, C.R., Crowley, J.L., Wingate, M.T.D., Evans, D.A.D., Raub, T.D., and Schmitz, M.D., 2013, Globally synchronous Marinoan deglaciation indicated by U-Pb geochronology of the Cottons Breccia, Tasmania, Australia: Geology 41(10):1127–1130, doi: 10.1130/G34568.1.
  36. Stevens, N.J., Seiffert, E.R., O’Connor, P.M., Roberts, E.M., Schmitz, M.D., Krause, C., Gorscak, E., Ngasala, S., Hieronymus, T.L., Temu, J., 2013, Palaeontological evidence for an Oligocene divergence between Old World monkeys and apes. Nature, 497:611-614, doi:10.1038/nature12161.
  37. Dunn, R.E., Madden, R.H., Kohn, M.J., Schmitz, M.D., Strömberg, C.A.E., Carlini, A.A., Ré, G.H., Crowley, J.L., 2013, A New Chronology for Middle Eocene-Early Miocene South American Land Mammal Ages, Geological Society of America Bulletin 125:539-555, doi:10.1130/B30660.1.
  38. Rivera, T.A., Storey, M., Schmitz, M.D., Crowley, J.L., 2013, Magma differentiation and eruption timescales of Alder Creek Rhyolite: A combined 40Ar/39Ar sanidine and U/Pb zircon dating approach: Chemical Geology 345:87-98.
  39. Condon, D. J. and Schmitz, M. D., 2013, One Hundred Years of Isotope Geochronology, and Counting: Elements 9, 15–17 (2013).
  40. Schmitz, M. D. and Kuiper, K. F. High-Precision Geochronology: Elements 9, 25–30 (2013).
  41. Sousa, J., Kohn, M. J., Schmitz, M. D., Northrup, C. J., Spear, F. S., 2013, Strontium isotope zoning in garnet: implications for metamorphic matrix equilibration, geochronology and phase equilibrium modelling. J Metamorph Geol 31, 437–452.
  42. Jirásek, J., Hýlová, L, Sivek, M., Jureczka, J., Martínek, K., Sýkorová, I., and Schmitz, M., 2013, The Main Ostrava Whetstone: composition, sedimentary processes, palaeogeography and geochronology of a major Mississippian volcaniclastic unit of the Upper Silesian Basin (Poland and Czech Republic). International Journal of Earth Sciences, doi:10.1007/s00531-012-0853-5.
  43. Furlanetto, Francesca; Thorkelson, Derek J.; Gibson, H. Daniel; Marshall, Daniel D.; Rainbird, Robert H.; Davis, William J.; Crowley, James L.; and Vervoort, Jeffrey D.. (2013). “Late Paleoproterozoic Terrane Accretion in Northwestern Canada and the Case for Circum-Columbian Orogenesis”. Precambrian Research, 224512-528.
  44. Keeley, J.A., Link, P.K., Fanning, C.M., Schmitz, M.D., 2012, Pre-to synglacial rift-related volcanism in the Neoproterozoic (Cryogenian) Pocatello Formation, SE Idaho: New SHRIMP and CA-ID-TIMS constraints. Lithosphere, doi:10.1130/L226.1.
  45. Pavanetto, P., Funedda, A., Northrup, C. J., Schmitz, M.D., Crowley, J., Loi, A., 2012, Structure and U-Pb zircon geochronology in the Variscan foreland of SW Sardinia, Italy: Geological Journal, 47:426-455.
  46. Pigage, L.C., Crowley, J.L., Pyle, L.J., Abbott, J.G., Roots, C.F., Schmitz, M.D., 2012, U-Pb zircon age of an Ordovician tuff in southeast Yukon: implications for the age of the Cambrian-Ordovician boundary: Canadian Journal of Earth Sciences, 49:732-741.
  47. Kurz, G.A., Schmitz, M.D., Northrup, C.J., Vallier, T.L., 2012, U-Pb geochronology and geochemistry of basement rocks from the Cougar Creek Complex, Wallowa-Seven Devils arc terrane, Blue Mountains province, Oregon-Idaho: Geological Society of America Bulletin, 124:578-595.
  48. Schmitz, M.D. and Davydov, V.I., 2012, Quantitative radiometric and biostratigraphic calibration of the global Pennsylvanian – Early Permian time scale: Geological Society of America Bulletin, 124:549-577.
  49. Driese, S.A., Jirsa, M.A., Ren, M.H., Brantley, S.L., Sheldon, N.D., Parker, D., Schmitz, M.D., 2011, Neoarchean paleoweathering of tonalite and metabasalt: implications for reconstruction of 2.69 Ga early terrestrial ecosystems and paleoatomospheric chemistry: Precambrian Research, 189:1-17.
  50. Northrup, C. J., Schmitz, M.D., Kurz, G. & Tumpane, K., 2011, Tectonomagmatic evolution of distinct arc terranes in the Blue Mountains Province, Oregon and Idaho. Geological Society of America Field Guide 21:67–88.
  51. Fisher, C.M., McFarlane, C.R.M., Hanchar, J.M., Schmitz, M.D., Sylvester, P.J., Lam, R., Longerich, H.P., 2011, Sm-Nd isotope systematics by laser ablation-multicollector-inductively coupled plasma mass spectrometry: Methods and potential natural and synthetic reference materials: Chemical Geology, 284:1-20.
  52. Yang, Wan; Feng, Qiao; Liu, Yiqun; Tabor, Neil; Miggins, Dan; Crowley, James L.; Lin, Jinyan; and Thomas, Stephanie. (2010). “Depositional Environments and Cyclo- and Chronostratigraphy of Uppermost Carboniferous–Lower Triassic Fluvial–Lacustrine Deposits, Southern Bogda Mountains, NW China — A Terrestrial Paleoclimatic Record of Mid-Latitude NE Pangea”. Global and Planetary Change, 73(1-2), 15-113.
  53. Macdonald, F.A., Schmitz, M.D., Crowley, J.L., Roots, C.F., Jones, D.S., Maloof, A.C., Strauss, J.V., Cohen, P.A., Johnston, D.T., Schrag, D.P., 2010, Calibrating the Cryogenian: Science, 327:1241-1243, 10.1126/science.1183325.
  54. Davydov, V.I., Crowley, J.L., Schmitz, M.D., Poletaev, V.I., 2010, High-precision U-Pb zircon age calibration of the global Carboniferous time scale and Milankovitch-band cyclicity in the Donets Basin, eastern Ukraine:Geochemistry, Geophysics and Geosystems, 10.1029/2009GC002736.
  55. Benford, B., Crowley, J., Schmitz, M.D., Northrup, C.J., Tikoff, B., 2010, Mesozoic magmatism and deformation in the northern Owyhee Mountains, Idaho: implications for along-zone variations in the western Idaho shear zone: Lithosphere 2:93-118.
  56. Gulbranson, E.L., Montanez, I.P., Schmitz, M.D., Limarino, C.O., Isbell, J.L., Marenssi, S.A., Crowley, J.L., 2010, High-precision U-Pb calibration of Carboniferous glacigenic deposits, Rio Blanco and Paganzo basins, northwest Argentina: Geological Society of America Bulletin, 10.1130/B30025.1.
  57. Gastaldo, R.A., Perkynova, E., Simunek, Z., and Schmitz, M.D., 2009, Ecological persistence in the Late Mississippian (Serpukhovian-Namurian A) megafloral record of the Upper Silesian Basin, Czech Republic:Palaois 24:336-350.
  58. Schmitz, M.D. and Schoene, B., 2007, Derivation of Isotope Ratios, Errors and Error Correlations for U-Pb Geochronology Using 205Pb-235U-(233U)-Spiked Isotope Dilution Thermal Ionization Mass Spectrometric Data:Geochemistry, Geophysics and Geosystems 8, Q08006, doi:10.1029/2006GC001492.