Publications
List of recent publications
*denotes student author
In press
Xie, Y., Schwartz, J.J., Li, X., Cai, K., Thomas, B., Li, H., Wang, F., Zhang, X., Mo, X., and G. Dong, Revisiting the genesis of the adakite-like granitoids in collisional zones: water-fluxed melting of intermediate to felsic rocks with dilution by low Sr/Y phases, in press at American Mineralogist
Published
Miranda, E.A., *Brown, V., Schwartz, J.J., and Klepeis, K.A., 2023, Making Sense of Shear Zone Fabrics that Record Multiple Episodes of Deformation: EBSD and CVA-Enhanced Petrochronology, Geology, 51 (6): 591–596. https://doi.org/10.1130/G50982.1
Schwartz, J.J., Lackey, J.S., Miranda, E.A., Klepeis, K.A., *Robles, F., and J. *Bixler, 2023, Magmatic Surge Requires Two-Stage Model for the Laramide Orogeny, Nature Communications 14, 3841. https://doi.org/10.1038/s41467-023-39473-7
Turnbull, R.E., Schwartz, J.J., Klepeis, K.A., Miranda, E.A., Fiorentini, M.L., Evans, N., Ludwig, T., Waight, T.D., Faure, K., and McDonald, B., 2023, Mapping the 4D lithospheric architecture of Zealandia using zircon O and Hf isotopes in plutonic rocks, Gondwana Research, 121, 436-471. https://doi.org/10.1016/j.gr.2023.05.010
*Brackman, A. and Schwartz, J.J., 2022, The Formation of High Sr/Y Plutons in Cordilleran-Arc Crust by Crystal Accumulation and Melt Loss, Geosphere, 18 (2): 370–393 https://doi.org/10.1130/GES02400.1
Daniel, C.G., Indares, A., Medaris, L. Jr., Aronoff, R., Doe, M., Malone, D. and Schwartz, J.J., 2022, Linking the Pinware, Baraboo, and Picuris orogenies: recognition of a trans-Laurentian ca. 1500-1350 orogenic belt, in Whitmeyer, S.J., Williams, M.L., Kellett, D.A., and Tikoff, B., eds., Laurentia: Turning Points in the Evolution of a Continent: Geological Society of America Memoir 220, p. 1–16, https://doi.org/10.1130/2022.1220(11).
Klepeis, K.A., Schwartz, J.J., Miranda, E.A., Lindquist, P., Jongens, R., Turnbull, R., and Stowell H.H., 2022, The initiation and growth of transpressional shear zones through continental arc lithosphere, southwest New Zealand, Tectonics, https://doi:10.1029/2021TC007097
Medaris, L. Jr., Daniel, C.G., Doe, M.F., James, J.V III, and Schwartz, J.J., 2022, Late Paleoproterozoic to Early Mesoproterozoic deposition of quartz arenites across southern Laurentia, in Whitmeyer, S.J., Williams, M.L., Kellett, D.A., and Tikoff, B., eds., Laurentia: Turning Points in the Evolution of a Continent: Geological Society of America Memoir 220, https://doi.org/10.1130/2022.1220(12)
Stowell, H.H., Schwartz, J.J., Bollen, E., Tulloch, A.J., Ramezani, J., and Klepeis, K. A., 2022, Timescales and rates of intrusive and metamorphic processes determined from zircon and garnet in migmatitic granulite, Fiordland, New Zealand, American Mineralogist, v. 107, p. 1116-1132, DOI: https://doi.org/10.2138/am-2022-7967
*Barzola, M.G., Tibaldi, A.M., Otamendi, J.E., Cristofolini, E.A., Schwartz, J.J., Benito, M.P., and Armas, P., 2021, P-T-t Path Reconstruction in a Syn-Deformational Migmatization Event Along the North-Central Portion of the Sierra Comechingones, Cordoba, Argentina, Journal of South American Earth Sciences, v.112 https://doi.org/10.1016/j.jsames.2021.103534.
*Carty, K., Schwartz, J.J., Wiesenfeld, J., Klepeis, K.A., Stowell, H.H., Tulloch, A.J., and Barnes, C.G., 2021, The Generation of Arc Andesites and Dacites in the Lower Crust of a Cordilleran arc, Fiordland, New Zealand, Journal of Petrology, v. 62, 1-41, https://doi.org/10.1093/petrology/egab043.
*Lilley, H. C., Scott, J. M., Schwartz, J. J., Turnbull, R. E., & Tulloch, A. J., 2021, Cretaceous tungsten-tin mineralization in the Tin Range, Stewart Island, New Zealand. New Zealand Journal of Geology & Geophysics. Advance online publication. doi: 10.1080/00288306.2020.1855216
*Ringwood, M. Schwartz, J.J., Turnbull, R.E., and Tulloch, A.J., 2021, Phanerozoic Record of mantle-dominated arc magmatic surges in the Zealandia Cordillera, Geology, 49 (10): 1230–1234, https://doi.org/10.1130/G48916.1.
LaMaskin, T.A., Rivas, J.A., Barbeau, D.L., Schwartz, J.J., Russell, J.A., Chapman, A., 2021, A crucial geologic test of exotic collision versus endemic re-accretion in the Klamath Mountains province, U.S.A., with implications for the assembly of western North America, Geological Society of America Bulletin.
Medaris, L. Jr., Singer, B, Jicha, B, Malone, D., Schwartz, J.J., Stewart, E., Van Lankvelt, A., Williams, M., and Reiners, P., 2021, Early Mesoproterozoic evolution of midcontinental Laurentia: Defining the geon 14 Baraboo orogeny, Geoscience Frontiers, 12, https://doi.org/10.1016/j.gsf.2021.101174.
Schwartz, J.J., *Andico, S., Turnbull, R., Klepeis, K.A., Tulloch, A.J., Kitajima, K., and Valley, J., 2021, Stable and Transient Isotopic Trends in the Crustal Evolution of Zealandia Cordillera, American Mineralogist, v. 106 (9), p. 1369–1387 https://doi.org/10.2138/am-2021-7626.
Turnbull, R.E., Schwartz., J.J., Fiorentini, M.L., Jongens, R., Evans, N.J., Ludwig, T., McDonald, B.J., and Klepeis, K.A., 2021, A Hidden Rodinian Lithospheric Keel Beneath Zealandia, Earth’s Newly Recognized Continent, Geology, 49(8), p. 1009-1014, https://doi.org/10.1130/G48711.1
Nourse, J.A., Swanson, B.J., Lusk, A., Barth, N.C., Schwartz, J.J., and Vermillion, K.B., 2020, Recent advancements in geochronology, geologic mapping, and landslide characterization in basement rocks of the San Gabriel Mountains block, in Heermance, R.V., and Schwartz, J.J., eds. From the Islands to the Mountains: A 2020 View of Geologic Excursions in Southern California: Geological Society of America Field Guide 59, p. 21–93, https://doi.org/10.1130/2020.0059(02).
Heermance, R.V., and Schwartz, J.J. (eds.), 2020, From the Islands to the Mountains: A 2020 View of Geologic Excursions in Southern California: Geological Society of America Field Guide 59, https://doi.org/10.1130/FLD059
Blatchford, H.J., Klepeis, K.A., Schwartz, J.J., Jongens, R., Turnbull, R.E., Miranda, E.A., Coble, M.A., Kylander-Clark, A.R.C., 2020, Interplay of Cretaceous transpressional deformation and continental arc magmatism in a long-lived crustal boundary, central Fiordland, Geosphere, 16, https://doi.org/10.1130/GES02251.1
*Buritica, L.F., Schwartz, J.J., Klepeis, K.A., Miranda, E.A., Tulloch, A.J., Coble, M.A., and Kylander-Clark, A.R.C., 2019, Temporal and spatial variations in magmatism and transpression in a Cretaceous arc, Median Batholith, Fiordland, New Zealand: Lithosphere, 11 (5), p. 652-682. doi:/10.1130/L1073.1
Klepeis, K., Webb, L., †Blatchford, H., Schwartz, J.J., Jongens, R., Turnbull, R., and Stowell, H.H., 2019, Crust-mantle interactions about the Puysegur subduction zone in Fiordland, New Zealand: GSA Today, 29 (9).
Ma, C., VanDervoot, D.S., Steltenpohl, M.G., and Schwartz, J.J., 2019, Formation, docking, and orogen- parallel transport of a Taconian arc and back-arc basin: The Dadeville Complex in the southernmost Appalachian orogen: American Journal of Science, 319 (7), p. 582-630.
Stowell, H.H., Schwartz, J.J., Ingram, S., Madden, J., Jernigan, C., Steltenpohl, M., and Mueller, P., 2019, Linking metamorphism, magma generation, and synorogenic sedimentation to crustal thickening during Southern Appalachian mountain building, USA: Lithosphere, 11 (5), p.722-749. https://doi.org/10.1130/L1053.1.
d’Alessio, M.D., Lundquist, L., Schwartz, J.J., Pedone, V., Pavia, J., and Fleck, J., 2019, Social presence enhances student performance in an online geology course but depends on instructor facilitation: Journal of Geoscience Education, 67 (3), p. 222-236. https://doi.org/10.1080/10899995.2019.1580179
d’Alessio, M.D., Schwartz, J.J., Pedone, V., Pavia, J., Fleck, J., and Lundquist, L., 2019, Geology Goes Hollywood: Building a Community of Inquiry in a fully online introductory geology lecture and laboratory: Journal of Geoscience Education, 67 (3), p. 211-221. https://doi.org/10.1080/10899995.2019.1578467
*Dwight, T., Scott, J.M., and Schwartz, J.J., 2018, Emplacement and Paleozoic and Cretaceous recrystallisation of the Broughton Arm Peridotite in Western Fiordland, New Zealand: New Zealand Journal of Geology and Geophysics, https://doi.org/10.1080/00288306.2018.1528989
Huntington, K.W. and Klepeis, K.A., with 66 community contributors, 2018, Challenges and opportunities for research in tectonics: Understanding deformation and the processes that link Earth systems, from geologic time to human time. A community vision document submitted to the U.S. National Science Foundation. University of Washington, 84 pp., https://doi.org/10.6069/H52R3PQ5.
Stowell, H.H., Schwartz, J.J., Klepeis, K.A., Hout, C., Tulloch, A.J., and Koenig, A., 2017, Sm-Nd garnet ages for granulite and eclogite in the Breaksea Orthogneiss and widespread granulite facies metamorphism of the lower crust, Fiordland magmatic arc, New Zealand: Lithosphere; doi:10.1130/L662.1
*Decker, M., Schwartz, J.J., Stowell, H.H., Klepeis, K.A., Tulloch, A., Kouki, K., Valley, J., and Kylander-Clark, 2017, Slab-Triggered Arc Flare-up in the Cretaceous Median Batholith and the Growth of Lower Arc Crust, Fiordland, New Zealand: Journal of Petrology, v.58, No. 6, p. 1145-1172; doi:10.1093/petrology/egx049.
McKay, M.P., Bollen, M., Gray, K.D., Stowell, H.H., and Schwartz, J.J., 2017, Prolonged metamorphism during long-lived terrane accretion: Sm-Nd garnet and U-Pb zircon geochronology and P-T paths from the Salmon River suture zone, west-central Idaho: Lithosphere, doi:10.1130/L642.1.
Paterson, S., Clausen, B., Memeti, V., and Schwartz, J.J., 2017, Arc magmatism, tectonism and tempos in Mesozoic arc crustal sections of the Peninsular and Transverse Ranges, Southern California, USA, in Kraatz, B., Lackey, J.S., and Fryxell, J.E., eds., Field Excursions in Southern California: Field Guides to the 2016 GSA Cordilleran Section Meeting: Geological Society of America Field Guide 45, p. 1–104, doi:10.1130/2017.0045(04).
Schwartz, J.J., Klepeis, K.A., Sadorski, J.F., Stowell, H.H., Tulloch, A.J., and Coble, M., 2017, The Tempo of Continental Arc Construction in the Mesozoic Median Batholith, Fiordland, New Zealand: Lithosphere, doi:10.1130/L610.1.
Žák J, Verner K, Tomek F, Johnson K, Schwartz, J.J., 2017, Magnetic fabrics of arc plutons reveal a significant Late Jurassic to Early Cretaceous change in the relative plate motions of the Pacific Ocean basin and North America: Geosphere, v. 12, no. 6, p. 1–11, doi:10.1130/GES01357.1
Schwartz, J.J., Stowell, H.H., Klepeis, K.A., Tulloch, A., Kylander-Clark, A., Hacker, B.R., and Coble, M., 2016, Thermochronology of Extensional Orogenic Collapse in the deep Crust, Fiordland, New Zealand: Geosphere, v. 12, no. 3, p. 1–31, doi:10.1130/GES01232.1.
Klepeis, K.A., Schwartz, J.J., Stowell, H.H., and Tulloch, A., 2016, Gneiss domes, vertical and horizontal mass transfer, and the initiation of extension in the hot lower crustal root of a continental arc, Fiordland, New Zealand: Lithosphere, doi:10.1130/L490.1
Johnson, K., Schwartz, J.J., Žák, J., Verner, K., Barnes, C.G., Walton, C., Wooden, J.L., Wright, J.E., and Kistler, R.W., 2015, Composite Sunrise Butte pluton: Insights into Jurassic–Cretaceous collisional tectonics and magmatism in the Blue Mountains Province, northeastern Oregon, in Anderson, T.H., Didenko, A.N., Johnson, C.L., Khanchuk, A.I., and MacDonald, J.H., Jr., eds., Late Jurassic Margin of Laurasia—A Record of Faulting Accommodating Plate Rotation: Geological Society of America Special Paper 513, p. 1–22, doi:10.1130/2015.2513(10)
Schwartz, J.J., Johnson, K., Mueller, P., Valley, J., Strickland, A. and Wooden, J., 2014, Time scales and processes of Cordilleran batholith construction and high-Sr/Y magmatic pulses: Evidence from the Bald Mountain batholith, northeastern Oregon: Geosphere, v. 10, no 6, doi:10.1130/GES01033.1.
Steltenpohl, M.G., Schwartz, J.J., and Miller, B.V., 2013, Late-to-post Appalachian strain partitioning and extension in the Blue Ridge of Alabama and Georgia: Geosphere, no. 3, p. 1–20; doi:10.1130/GES00738.1.
Zak, J, Verner, K., Johnson, K. Schwartz, J.J., 2012, Magnetic fabric of Late Jurassic arc plutons and kinematics of terrane accretion in the Blue Mountains, northeastern Oregon, Gondwana Research, v. 22, p. 341-352, doi:10.1016/j.gr.2011.09.013.
Zak, J, Verner, K., Johnson, K., Schwartz, J.J., 2012, Magma emplacement process zone preserved in the roof of a large Cordilleran batholith, Wallowa Mountains, northeastern Oregon, Journal of Volcanology and Geothermal Research, v. 227-228, p. 61-75.
Schwartz, J.J., Snoke, A.W., Frost, C.D., Johnson, K., Barnes, C., LaMaskin, T., and Wooden, J., 2011, Late Jurassic magmatism, deformation and metamorphism in the Blue Mountains province, NE Oregon, Geological Society of America Bulletin, v. 123, 2083-2111.
Schwartz, J.J., Johnson, K., Miranda, E.A., and Wooden, J., 2011, The Generation of Late Jurassic High Sr/Y magmas following arc-arc collision, Lithos, v. 126, p. 22-41.
Schwartz, J.J., Snoke, A.W., Frost, C.D, Barnes, C.G., Gromet, L.P., and Johnson, K., 2010, Analysis of the Wallowa-Baker terrane boundary: Implications for tectonic accretion in the Blue Mountains province, northeastern Oregon, Geological Society of America Bulletin, v. 122, p. 517-536.
Schwartz, J.J., John, B.E., Cheadle, M. J., Wooden, J.L., Mazdab, F., Swapp, S., Grimes, C.B., 2010, Dissolution-reprecipitation of igneous zircon in mid-ocean ridge gabbro, Atlantis Bank, Southwest Indian Ridge, Chemical Geology, v. 274, p. 68-81.
Schwartz, J.J., John, B.E., Cheadle, M. J., Reiners, P. W., and A. G. Baines, 2009, Cooling history of Atlantis Bank oceanic core complex: Evidence for hydrothermal activity 2.6 Ma off axis, Geochem. Geophys. Geosyst., 10, Q08020, doi:10.1029/2009GC002466.
Baines, A.G., Cheadle, M.J., John, B.E., Grimes, C.G., Schwartz, J.J., and Wooden, J.L, 2009, SHRIMP Pb/U zircon ages constrain gabbroic crustal accretion at Atlantis Bank on the ultraslow-spreading Southwest Indian Ridge, Earth and Planetary Science Letters, v. 287, p. 540-550.
Grimes, C. B., John, B.E., Cheadle, M.J., Mazdab, F.K., Wooden, J.L., Swapp, S.M, Schwartz, J.J. , 2009, On the occurrence, trace element geochemisty andcrystallization history of zircon from in situ ocean lithosphere, Contributions to Mineralogy and Petrology, v. 158, p. 757-783.
Garlick, S.R., Medaris, L.G., Jr., Snoke, A.W., Schwartz, J.J., and Swapp, S.M., 2009, Granulite- to amphibolite-facies metamorphism and penetrative deformation in a disrupted ophiolite, Klamath Mountains, California: A deep view into the basement of an accreted oceanic arc, in Miller, R.B., and Snoke, A.W., eds., Crustal cross sections from the western North American Cordillera and elsewhere: Implications for tectonic and petrologic processes: Geological Society of America Special Paper 456, p. 151–186, doi: 10.1130/2009.2456(06).
LaMaskin, T.A., Schwartz, J.J., Dorsey, R.J., Snoke, A.W., Johnson, K., and Vervoort, J.D., 2009, Mesozoic sedimentation, magmatism, and tectonics in the Blue Mountains Province, northeastern Oregon, in O’Connor, J.E., Dorsey, R.J., and Madin, I.P., eds., Volcanoes to Vineyards: Geologic Field Trips through the Dynamic Landscape of the Pacific Northwest: Geological Society of America Field Guide 15, p. 187–202, doi: 10.1130/2009. fl d015(09).
Schwartz, J.J., Gromet, L.P., and Miró, R., 2008, Timing and duration of the calc-alkaline arc of the Pampean Orogeny: implications for the Late Neoproterozoic to Cambrian evolution of Western Gondwana, The Journal of Geology, v. 116, p. 39-61.
Baines, A.G., Cheadle, M.J., John, B.E., and Schwartz, J.J., 2008, The rate of oceanic detachment faulting at Atlantis Bank, SW Indian Ridge, Earth and Planetary Science Letters, 273(1-2), 105-114
Grimes, C.B., John, B.E., Kelemen, P.B., Mazdab, F., Wooden J.L., Cheadle, M.J., Hanghoj, K., and Schwartz, J.J., 2007, The trace element chemistry of zircons from oceanic crust: A method for distinguishing detrital zircon provenance: Geology, v. 35, p. 643-646.
Schwartz, J.J., John, B.E., Cheadle, M.J., Miranda, E.A., Grimes, C., Wooden, J.L., and Dick, H.J.B., 2005, Dating the Growth of Oceanic Crust at Slow-Spreading Ridges, Science, v. 310, p. 654-657.
Schwartz, J.J., Gromet, L.P., 2004, Provenance of a late Proterozoic-Early Cambrian basin, Sierras de Córdoba, Argentina, Precambrian Research, v. 129, p. 1-21.