2021 | 2020 |2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 20082007 | 2006 | 2005



Mixon, E., Singer, B.S., Jicha, B.R., Ramirez, A., (2021) Calbuco, a monotonous andesitic high-flux volcano in the Southern Andes, Journal of Volcanology and Geothermal Research,

Schaen, A.J., Schoene, B., Dufek, J., Singer, B.S., Eddy, M.P., Jicha, B.R., Cottle, J.M. (2021) Transient rhyolite melt extraction to produce a shallow granitic pluton, Science Advances, 7 (21), eabf0604

L.G. Medaris, B.S. Singer, B.R. Jicha, D.H. Malone, J.J. Schwartz, E. K. Stewart, A. Van Lankvelt, M.L. Williams, P.W. Reiners (2021) Early Mesoproterozoic evolution of midcontinental Laurentia: Defining the geon 14 Baraboo orogeny, Geoscience Frontiers, 12,

Kynaston, D., Bhattacharya, J.P., Singer, B.S., Jicha, B.R. (2021) Facies architecture and time stratigraphic relationships of a confined trunk-tributary valley fill and unconfined fluvial system with the backwater of the Turonian Ferron-Notom delta, Utah. Journal of Sedimentary Research, v. 91, p. 66-91.

Gosses, J., Carroll, A.R., Bruck, B.T., Singer, B.S., Jicha, B.R., Aragón, E., Wilf, P. (2021) Facies interpretation and geochronology of diverse Eocene floras and faunas, northwest Chubut Province, Patagonia, Argentina. Bulletin, v. 133, p. 740-752.

Lin, W., Bhattacharya, J.P., Jicha, B.R., Singer, B.S., Matthews, W. (2021) Has Earth ever been ice-free? Implications for glacio-eustasy in the Cretaceous greenhouse age using high-resolution sequence stratigraphy, Geological Society of America Bulletin, v. 133, p. 243-252.

Schaen, A.J., Jicha, B.R., Hodges, K.,…Singer, B.S., and 37 others (2021) Reporting and interpretation of 40Ar/39Ar geochronologic data. Geological Society of America Bulletin, v. 133, p. 461-487

Brown, L.L., Singer, B.S., Barquero-Molina, M. (2021) Paleomagnetism and 40Ar/39Ar Chronology of Ignimbrites and Lava Flows, Central Volcanic Zone, Northern Chile. Journal of South American Earth Sciences, v. 106, p. 103037.


B.S. Singer, B.R. Jicha, D. Sawyer, I. Walaszczyk, R. Buchwaldt, J. Mutterlose (2020) Geochronology of late Albian−Cenomanian strata in the U.S. Western Interior. Geological Society of America Bulletin, doi:

Trevino, S.F., Miller, C.A., Tikoff, B., Fournier, D., Singer, B.S. (2020) Multiple, coeval silicic magma storage domains beneath the Laguna Del Maule volcanic field inferred from gravity investigations. Journal of Geophysical Research, e2020JB020850.

Schmitz, M.D., Singer, B.S., Rooney, A.D., Radiogenic isotope geochronology (2020), in: Gradstein, F., Ogg, J., Schmitz, M.D., and Ogg, G., editors, Geologic Time Scale 2020. Elsevier, p. 193-209.

Edwards, B.R., Russell, J.K., Jicha, B., Singer, B., Dunnington, G., Jansen, R. (2020) A 3 m.y. record of volcanism and glaciation in northern British Columbia. Geological Society of America Special Paper, Untangling the Quaternary Period: A Legacy of Stephen C. Porter. edited by: Waitt, R.B., Thackray, G.D., & Gillespie, A.R.,

Jones, M.M., Sageman, B.B., Selby, D., Jicha, B.R., Singer, B.S. (2020) Regional chronostratigraphic synthesis of the Cenomanian-Turonian OAE2 interval, Western Interior Basin (USA): New Re-Os chemostratigraphy and 40Ar/39Ar geochronology. Geological Society of America Bulletin.

Klug, J. D., Singer, B.S., Kita, N.T., Spicuzza, M.J. (2020) Storage and evolution of Laguna del Maule rhyolites: insight from volatile and trace element contents in melt inclusions. Journal of Geophysical Research: Solid Earth, p.e2020JB019475.

Bai, T., Thurber, C., Lanza, F., Singer, B.S., Bennington, N., Keranen, K. and Cardona, C. (2020). Teleseismic tomography of the Laguna del Maule Volcanic Field in Chile. Journal of Geophysical Research: Solid Earth, p.e2020JB019449.

Holm, D., Medaris Jr, L. G., McDannell, K. T., Schneider, D. A., Schulz, K., Singer, B. S., Jicha, B. R. (2020) Growth, overprinting, and stabilization of Proterozoic Provinces in the southern Lake Superior region. Precambrian Research, v. 339, 105587.

Sruoga, P., Gozalvez, M., Marquetti, C, Etcheverria, M.P., Mescua, J.F. Jara, A., Iannizzotto, N., Singer, B.S. Jicha, B.R. (2020) Early stages of the Miocene magmatic arc and related hydrothermal alteration at Valle Hermoso, South Central Andes (35o07’S, 70o17’W). Journal of South American Earth Sciences, v. 99, 102508.

Channell, J.E.T., Singer, B.S., Jicha, B.R. (2020) Timing of geomagnetic reversals and excursions in volcanic and sedimentary archives. Quaternary Science Reviews, 228,

Sieh, K., Herrin, J., Jicha, B., Banerjee, P., Sconwalder, D., Wiwegwin, W, Moore, J.D.P., Sihaving, V., Singer, B.S., Cualauwanich, T., Charusiri, P., and Singsomboun, K., (2019) Impact Crater of the Australasian Tektites Buried under the Bolaven Plateau Volcanic Field, Southern Laos. Proceedings of the National Academy of Sciences. v. 117, p. 1346-1353. doi/10.1073/pnas.1904368116.

Canada, A.S., Cassell, E.J., Stockli, D.F., Smith M. Elliot, Jicha, B.R., Singer, B.S. (2019) Accelerating exhumation in the Eocene Sevier-Laramide hinterland: Implications from detrital zircon (U-Th)/(He-Pb) double dating. Geological Society of America Bulletin, v. 132, p. 198-214


Bhattachrya, J.P., Miall, A.D., Ferron, C., Gabriel, J., Randazzo, N., Kynaston, D., Jicha, B.R., Singer, B.S. (2019) Time-stratigraphy in point sourced river deltas: Application to sediment budgets, shelf construction, and paleo-storm records. Earth-Science Reviews, 199, p. 102985.

Singer, B.S., Jicha, B.R., Mochizuki, N., Coe, R.S. (2019) Synchronizing volcanic, sedimentary, and ice core records of Earth’s last magnetic polarity reversal. Science Advances, v. 5, no. 8, eaaw4621,

Canada, A.S., Cassell, E.J., McGrew, A.J., Smith M. Elliot, Stockli, D.F., Foland, K., Jicha, B.R., Singer, B.S. (2019) Eocene exhumation and extensional basin formation in the Copper Mountains, Nevada, U.S.A. Geosphere, v. 15, p. 1577-1597,

Jicha, B.R., Singer, B.S., Li, Y. (2019) Intercalibration of 40Ar/39Ar laboratories in China, USA, and Russia for Emeishan volcanism and the Guadalupian-Lopingian boundary, National Science Review, nwz044,

Andersen, N.L., Singer, B.S., Coble, M.A. (2019) Repeated Rhyolite Eruption from Heterogeneous Hot Zones Embedded Within a Cool, Shallow Magma Reservoir. Journal of Geophysical Research.

Wespestad, C., Thurber, C., Andersen, N.L., Singer, B.S., Cardona, C., Zeng, X., Bennington, N., Keranan, K., Peterson, D. (2019) Magma body beneath Laguna del Maule Volcanic Field imaged with surface wave tomography. Journal of Geophysical Research Solid Earth.


Marsicek, J., Goring, S.J., Marcott, S.A., Meyers, S.R., Peters, S.E., Ross, I.A., Singer, B.S., Williams, J.W. (2018) Automated extraction of spatiotemporal geoscientific data from the literature using GeoDeepDive. Past Global Changes, v. 262(2), 70.

Garibaldi, N., Tikoff, B., Schaen, A.J., and Singer, B.S. Interpreting granitic fabrics in terms of rhyolitic melt segregation, accumulation and escape via tectonic filter pressing in the Huemul pluton, Chile. Journal of Geophysical Research Solid Earth

Schaen, A.J., Singer, B.S., Cottle, J.M., Garibaldi, N., Schoene, B., Satkoski, A.M., Fournelle, J. (2018) Textural and mineralogical record of low-pressure melt extraction and silicic cumulate formation in the late Miocene Risco Bayo–Huemul plutonic complex, southern Andes. Journal of Petrology, 59, 1991-2016.

Singer, B.S, Le Mével, H., Licciardi, J.M., Córdova, L., Tikoff, B., Garibaldi, N., Diefenbach, A.K., Andersen, N.L., Feigl, K.L. (2018) Geomorphic expression of rapid Holocene silicic magma reservoir growth beneath Laguna del Maule, Chile. Science Advances 4, eaat1513,

Andersen, N.L., Singer, B.S., Costa, F., Fournelle, J., Herrin, J., Fabbro, G. (2018) Petrochronologic perspective on rhyolite volcano unrest at Laguna del Maule, Chile. Earth and Planetary Science Letters, v. 493, 57-70.

Shtober-Zisu, N., Inbar, M., Mor, D., Jicha, B.R. and Singer, B.S., (2018) Drainage development and incision rates in an Upper Pleistocene Basalt-Limestone Boundary Channel: The Sa’ar Stream, Golan Heights, Israel. Geomorphology, 303, 417-433.

Martinez, P., Singer, B.S., Moreno-Roa H., Jicha, B.R. (2018) Volcanologic and petrologic evolution of Antuco-Sierra Velluda, Southern Andes, Chile. Journal of Volcanology and Geothermal Research, 349, 392-408.


Andersen, N.L., Jicha, B.R., Singer, B.S., Hildreth, W. (2017) Incremental heating of Bishop Tuff sanidine reveals pre-eruptive radiogenic Ar and rapid remobilization from cold storage. Proceedings of the National Academy of Science, 6 pages.

Smith, M.E., Cassel, E.J., Jicha, B.R., Singer B.S., Canada, A.S. (2017) Hinterland drainage closure and lake formation in response to middle Eocene Farallon slab removal, Nevada, U.S.A. Earth and Planetary Science Lettters, v. 479, 156-169.

Schaen, A.J., Cottle, J.M., Singer, B.S., Keller, C.B., Garibaldi, N. and Schoene, B. (2017) Complementary crystal accumulation and rhyolite melt segregation in a late Miocene Andean pluton. Geology, 45, 835-838. doi:10.1130/G39167.1

Andersen, N.L., Singer, B.S., Jicha, B.R., Beard, B.L., Johnson, C.M., and Licciardi, J.M., (2017) Pleistocene to Holocene Growth of a Large Upper Crustal Rhyolitic Magma Reservoir beneath the Active Laguna del Maule Volcanic Field, Central Chile. Journal of Petrology, v. 58, 85-114. doi: 10.1093/petrology/egx006

Naranjo, J.A., Singer, B.S., Jicha, B.R., Moreno, H., Lara, L.E. (2017) Holocene tephra succession of Puyehue-Cordón Caulle and Antillanca/Casablanca volcanic complexes, southern Andes (40-41 °S). Journal of Volcanology and Geothermal Research, v. 332, 109-128.

Guillou, H., Hémond, C., Singer, B.S. and Dyment, J. (2017) Dating young MORB of the Central Indian Ridge (19° S): Unspiked K-Ar technique limitations versus 40Ar/39Ar incremental heating method. Quaternary Geochronology, v. 37, p. 42-54.


Jicha, B.R., Singer, B.S., Sobol, P. (2016) Re-evaluation of the ages of 40Ar/39Ar sanidine standards and supereruptions in the western U.S. using a Noblesse multi-collector mass spectrometer, Chemical Geology, v. 431, p. 54-66, doi:10.1016/j.chemgeo.2016.03.024

Petrosino, P., Morabito, M., Jicha, B.R., Milia, A., Sprovieri, M., Tamburrino, S., (2016) Multidisciplinary tephrochronological correlation of marker events in the Tyrrhenian Sea, Journal of Volcanology & Geothermal Research, v. 315, p. 79-99, doi:10.1016/j.jvolgeores.2016.02.001

Schaen, A., Jicha, B.R., Singer, B.S., Kay, S.M., Tibbetts, A. (2016) Eocene to Pleistocene magmatic evolution of the Delarof Islands, Aleutian Arc. Geophysics, Geochemistry, Geosystems, doi:10.1002/2015GC006067

Gaeta, M., Marra, F., Freda, C., Arienzo, I., Gozzi, F., Jicha, B., Di Rocco, T. (2016) Paleozoic metasomatism at the origin of Mediterranean ultrapotassic magmas: constraints from time-dependent geochemistry of Colli Albani volcanic products (Central Italy), Lithos, v. 244, p. 151-164. doi:10.1016/j.lithos.2015.11.034

Brown, F.H., Jicha, B.R., Leakey, R.E. (2016) An age for Kajong, a Miocene fossil site east of Lake Turkana, Kenya, Journal of African Earth Sciences, v. 114, p. 74-77. doi:10.1016/j.jafrearsci.2015.11.017

Brown, F.H., Jicha, B.R. (2016) New high-precision 40Ar/39Ar ages on Oligocene volcanic rocks of northern Kenya, Journal of African Earth Sciences, v. 114, p. 63-66. doi:10.1016/j.jafrearsci.2015.11.012


Harrison, T.M., Baldwin, S., Caffee, M., Gehrels, G., Schoene, B., Shuster, D., Singer, B. (2015) Geochronology: It’s About Time, EOS, v. 96, doi:10.1029/2015EO041901

Jicha, B.R., Laabs, B.J.C., Hora, J.M., Singer, B.S., Caffee, M.W. (2015) Early Holocene collapse of Volcán Parinacota, Central Andes, Chile: volcanological and paleohydrological consequences, GSA Bulletin, v.127, p. 1681-1688. doi: 10.1130/B31247.1

Jicha, B.R., Jagoutz, O. (2015) Magma production rates for intraoceanic arcs, Elements, v. 11, p. 105-122. DOI: 10.2113/gselements.11.2.105

Marra, F., Ceruleo, P., Jicha, B., Pandolfi, L., Petronio, C., Salari, L. (2015) A new age within MIS 7 for the Homo neanderthalensis of Saccopastore in the glacio-eustatically forced sedimentary successions of the Aniene River Valley, Rome, Quaternary Science Reviews, v. 129, p. 260-274, 10.1016/j.quascirev.2015.10.027, doi:10.1016/j.quascirev.2015.10.027

Petrosino, P., Jicha, B.R., Mazzeo, F.C., Ciaranfi, N., Girone, A., Maiorano, P., Marino, M. (2015) The Montalbano Jonico marine succession: an archive for distal tephra layers at the Early-Middle Pleistocene boundary in Southern Italy. Quaternary International, v. 383, p. 89-103. doi:10.1016/j.quaint.2014.10.049

Trela, T., Gazel, E., Vidito, C., Herzberg, C., Whalen, W., Class, C., Jicha, B., Alvarado, G.E., Bizimis, M. (2015) A pyroxenite source in the Galapagos Plume at 70 Ma: Implications for plume evolution. Earth & Planetary Science Letters, v. 425, p. 268-277. doi:10.1016/j.epsl.2015.05.036

Madrigal, P., Gazel, E., Denyer, P., Smith, I., Jicha, B., Coleman, D., Snow, J. (2015) A melt-focusing zone in the lithospheric mantle preserved in the Santa Elena ophiolite, Costa Rica, Lithos, v. 230, p. 189-205. doi:10.1016/j.lithos.2015.04.015

Garcia, M.O., Smith, J., Tree, J., Weis, D., Harrison, L., Jicha, B.R. (2015) Petrology, Geochemistry and Ages of Volcanoes in the Northwest Hawaiian Ridge, GSA special papers, v. 511, p. 1-25. doi: 10.1130/2015.2511(01)

Yogodzinski, G.M., Brown, S.T., Kelemen, P.B., Vervoort, J.D., Portnyagin, M., Sims, K., Hoernle, K., Jicha, B., Werner, R. (2015) The role of subducted basalt in the source of island arc magmas: Evidence from seafloor lavas of the western Aleutians. Journal of Petrology, v. 56, p. 441-492. doi: 10.1093/petrology/egv006

Aureli, D., Contardi, A., Giaccio, B., Jicha, B., Lemorini, C., Madonna, S., Magri, D., Marano, F., Milli, S., Modesti, V., Palombo, M.R., Rocca, R. (2015) Palaeoloxodon and human interaction: depositional setting, chronology and archaeology at the Middle Pleistocene Ficoncella site (Tarquinia, Italy). PLoS ONE 10: e0124498. doi: 10.1371/journal.pone.0124498

Salisbury, M.J., Kent, A.J.R., Jiménez, N.C., Jicha B.R. (2015) Geochemistry and 40Ar/39Ar geochronology of lavas from Tunupa Volcano, Bolivia: Implications for orogenic volcanism in the Central Andean Plateau, Lithosphere, v. 7, p. 95-107. doi: 10.1130/L399.1

Medaris, Jr., L.G., Boerboom, T.J., Jicha, B.R., Singer B.S., Metasaprolite in the McGrath Gneiss, Minnesota, USA: viewing Paleoproterozoic weathering through a veil of metamorphism and metasomatism. Precambrian Research, v. 257, p. 83-93. doi:10.1016/j.precamres.2014.11.027


Singer, B.S., Andersen, N.L., Le Mével, H., Feigl, K.F., DeMets, C., Tikoff, B., Thurber, C.H., Jicha B.R., Cardona, C., Cordoba, M., Gil, F., Unsworth, M.J., Williams-Jones, G., Miller, C., Hildreth, W., Fierstein, J., Vazquez, J. (2014) Dynamics of a large, restless, rhyolitic magma system at Laguna del Maule, southern Andes, Chile. GSA Today, v. 24, 4-10. doi: 10.1130/GSATG216A.1

Singer B.S., Jicha, B.R., Condon, D., Macho A., Hoffman K.A., Brown, M., Feinberg, J., Kidane, T. (2014) Precise ages of the Réunion event and Huckleberry Ridge excursion: episodic clustering of geomagnetic instabilities and the dynamics of flow within the outer core. Earth & Planetary Science Letters, v. 405, p. 25-38. doi:10.1016/j.epsl.2014.08.011

Singer, B.S., Jicha, B.R., He, H., Zhu, R. (2014) Geomagnetic field excursion recorded 17 ka at Tianchi Volcano, China: New 40Ar/39Ar age and significance. Geophysical Research Letters, v. 41, p. 2794–2802. doi:10.1002/2014GL059439

Ma, C., Meyers, S. M., Sageman, B.B., Singer, B.S., Jicha B.R. (2014) Testing the astronomical time scale for oceanic anoxic event 2, and its extension into Cenomanian strata of the Western Interior Basin (USA), Geological Society of America Bulletin, v. 126, p. 974-989. doi:10.1130/B30922.1

Sageman, B.B., Singer, B.S., Meyers, S.R, Siewert, S.R., Walaszczyk, I., Condon, D.J., Jicha, B.R., Obradovich, J.D., Sawyer, D.A. (2014) Integrating 40Ar/39Ar, U-Pb, and astronomical clocks in the Cretaceous Niobrara Formation, Western Interior Basin, USA. Geological Society of America Bulletin, v. 126, p 956-973. doi:10.1130/B30929.1

Singer, B.S. (2014) A Quaternary geomagnetic instability time scale. Quaternary Geochronology, v. 21, p. 29-52.  doi:10.1016/j.quageo.2013.10.003

Clyde, W.C., Wilf, P., Iglesias, A., Barnum, T., Bijl, P.K., Bralower, T.J., Comer, E.E., Huber, B.T., Ibanez-Mejia, M., Jicha, B.R., Marcelo Krause, J., Schueth, J.D., Singer, B.S., Slingerland, R.L., Sol Raigemborn, M., Schmitz, M.D., Sluijs, A., Del Carmen Zamaloa, M. (2014) New age constraints for the Salamanca Formation and lower Río Chico Group in the western San Jorge Basin, Patagonia (Argentina); Implications for K/Pg extinction recovery and land mammal age correlations. Geological Society of America Bulletin, v. 126, no. 3-4, p. 289-306. doi:10.1130/B30915.1

Singer, B.S., Guillou, H., Jicha, B.R., Zanella, E., Camps, P. (2014) Refining the Quaternary geomagnetic instability time scale (GITS): Lava flow recordings of the Blake and Post-Blake excursions. Quaternary Geochronology, v. 21, p. 16-28. doi:10.1016/j.quageo.2012.12.005

Singer, B.S., Jicha, B.R., Fournelle, J.H,. Beard, B.L., Johnson, C.M., Smith, K.E., Greene, S.E., Kita N.T., Valley, J.W., Spicuzza M.J., Rogers, N.W. (2014) Lying in wait: Deep and shallow evolution of dacite Beneath Volcán de Santa María, Guatemala. in: Orogenic Andesites and Crustal Growth, eds. A. Tuena-Gomez, S. Straub, G. Zellmer, Geological Society of London Special Publications 385, 209-234.

Petrosino, P., Russo Ermolli, E., Donato, P., Jicha, B., Robustelli, G., Sardella, R. (2014) Using Tephrochronology and palynology to date the MIS 13 lacustrine sediments of the Mercure basin (Southern Apennines – Italy). Italian Journal of Geosciences, v. 133, p. 169-186. doi: 10.3301/IJG.2013.22

Mattei, M., Riggs, N.R., Giordano, G., Guarnieri, L., Cifelli, F., Soriano, C.C., Jicha, B., Jasim, A., Marchionni, S., Franciosi, L., Tommasini, S., Porreca, M., Conticelli, S., (2014) Geochronology, Geochemistry and Geodynamics of the Cabo de Gata volcanic zone, Southeastern Spain. Italian Journal of Geosciences, v. 133, p. 341-361. doi: 10.3301/IJG.2014.44

Marra, F., Sottili, G., Gaeta, M., Giaccio, B., Jicha, B., Masotta, M., Palladino, D.M., Deocampo, D.M. (2014) Major explosive activity in the Sabatini Volcanic District (central Italy) over the 800-390 ka interval: geochronological – geochemical overview and tephrostratigraphic implications. Quaternary Science Reviews, 94, 74-101. doi:10.1016/j.quascirev.2014.04.010

Robustelli, G., Russo Ermolli, E., Petrosino, P., Jicha, B., Sardella, R., Donato, P., (2014) The Middle Pleistocene Mercure Basin in the tectonic framework of Southern Apennines (Italy), Geomorphology, v. 214, 423-435. doi:10.1016/j.geomorph.2014.02.026

Petrosino P., Jicha B.R., Mazzeo F.C., Russo Ermolli E. (2014) A high resolution tephrochronological record of MIS 14-12 in the Southern Apennines (Acerno basin, Italy). Journal of Volcanology & Geothermal Research, v. 274, 34-50. doi:10.1016/j.jvolgeores.2014.01.014

Seligman, A., Bindeman, I., Jicha, B., Ellis B., Ponomareva, V., Leonov V., (2014) Multi-Cyclic and Isotopically-Diverse Silicic Magma Generation in an Arc Volcano: Gorely Eruptive Center, Kamchatka, Russia, Journal of Petrology, v. 55, p. 1561-1594. doi:10.1093/petrology/egu034

Jicha, B.R., Brown, F.H., (2014) An age on the Korath Range and the viability of 40Ar/39Ar dating of kaersutite in Late Pleistocene volcanics, Ethiopia, Quaternary Geochronology, v. 21, p. 53-57. doi:10.1016/j.quageo.2013.03.007

Malone, D.H., Craddock, J.P., Anders, M.H., Wulff, A. (2014) Constraints on the Emplacement Age of the Heart Mountain Slide, Northwestern Wyoming, The Journal of Geology, v. 122, p. 671-685.


Brown, M.C., Jicha, B.R., Singer, B.S., Shaw, J. (2013) Snapshot of the Matuyama-Brunhes reversal process recorded in 40Ar/39Ar -dated lavas from Guadeloupe, West Indies. Geophysics, Geochemistry, Geosystems, v. 14, p. 4341-4350. doi:10.1002/ggge.20263

Jicha, B.R., Singer, B.S., Valentine, M.J. (2013) 40Ar/39Ar  Geochronology of Subaerial Ascension Island and a Re-evaluation of the Temporal Progression of Basaltic to Rhyolitic Volcanism. Journal of Petrology, v. 54, p. 2581-2596. doi:10.1093/petrology/egt058

Panaiotu, C., Jicha, B.R., Singer, B.S., Tugui A., Seghedi, I., Panaiotu, A.G., Necula, C. (2013) 40Ar/39Ar chronology and paleomagnetism of Quaternary basaltic lavas from the Persani Mountains (East Carpathians), Physics of the Earth and Planetary Interiors, v. 221, p. 1- 14, doi:10.1016/j.pepi.2013.06.007

Ort, M.H., DeSilva, S.L., Jimenez, N., Jicha, B.R., Singer, B.S. (2013) Correlation of ignimbrites using characteristic remanent magnetism and anisotropy of magnetic susceptibility, Central Andes, Bolivia. Geophysics, Geochemistry, Geosystems, v. 14. doi:10.1029/2012GC004276

Knutsen, K.L., Rose, W.I., Jicha, B., (2013) La Yeguada Volcanic Complex in the Republic of Panama: An assessment of the geological hazards using 40Ar/39Ar  geochronology, Revista Geológica de América Central, v. 49, 7-23.

Ito, G., Garcia, M.O., Smith, J., Flinders, A., Taylor, B., Jicha, B.R., Yamasaki, S., Weis, D., Swinnard, L., Blay, C., (2013) A Low-Relief Shield Volcano Origin of the South Kauaʻi Swell, Geochemistry, Geophysics, Geosystems, v. 14(7), doi:10.1002/ggge.20159


Jicha, B.R., Rhodes J.M., Singer, B.S., Garcia, M.O. (2012) 40Ar/39Ar  geochronology of submarine Mauna Loa volcano, Hawaii. Journal of Geophysical Research, v. 117, B09204. doi:10.1029/2012JB009373

Zhu, Y.J., Bhattacharya, J.P., Li, W.G., Lapen, T.J., Jicha, B.R., Singer, B.S. (2012) Milankovitch-scale sequence stratigraphy and stepped forced regressions of the Turonian Ferron Notom deltaic complex, south-central Utah, USA. Journal of Sedimentary Research, v. 82, p. 723-746. doi: 10.2110/jsr.2012.63

Lukens, C.E., Carrapa, B., Singer, B.S., Gehrels, G. (2012) Miocene exhumation revealed by detrital minerals of the Tajik rivers: Implications for the tectonic evolution of the Pamir. Tectonics, v. 31. 10.1029/2011TC003040

Jicha, B.R., Coombs, M.L., Calvert, A.T., Singer, B.S. (2012) Geology and 40Ar/39Ar  geochronology of the medium- to high-K Tanaga volcanic cluster, western Aleutians. Geological Society of America Bulletin, v. 124, p. 842-856. doi:10.1130/B30472.1

Meyers, S.R., Siewert, S.E., Singer, B.S., Sageman, B.B., Condon, D., Obradovich, J.D., Jicha, B.R., Sawyer, D.A. (2012) Intercalibration of Radioisotopic and astrochronologic time scales for the Cenomanian/Turonian boundary Interval, Western Interior Basin, USA. Geology, v. 40, p. 7-10. doi:10.1130/G32261.1

Kapelanczyk, L., Rose, W.I., Jicha, B.R., An eruptive history of Maderas volcano using 40Ar/39Ar geochronology and geochemical analyses, (2012) Bulletin of Volcanology, v. 74, 2007-2021. doi:10.1007/s00445-012-0644-7

Giaccio, B., Galli, P., Messina, P., Peronace, E., Scardia, G., Sottili, G., Sposato, A., Jicha, B. (2012) Fault and basin depocentre migration over the last 2 Ma in the L’Aquila 2009 earthquake region, central Italian Apennines, Quaternary Science Reviews, v. 56, 69-88. doi:10.1016/j.quascirev.2012.08.016


Kay, S.M., Coira, B., Worner, G., Kay, R.W., Singer, B.S. (2011) Geochemical, isotopic and single crystal 40Ar/39Ar  age constraints on the evolution of the Cerro Galán ignimbrites. Journal of Volcanology and Geothermal Research, v. 73, p. 1487-1511. doi:10.1016/j.jvolgeores.2009.05.005

Smith, M.E., Singer, B.S., Simo, T. (2011) A time like our own? Radioisotopic calibration of the Ordovician greenhouse to icehouse transition. Earth and Planetary Science Letters, v. 311, p. 364-374. doi:10.1016/j.epsl.2011.09.014

Singer, B.S., Smith, K.E., Jicha, B.R., Johnson, C.M., Beard, B.L., Rogers, N.W. (2011) Tracking open-system differentiation during the growth of Santa María Volcano, Guatemala. Journal of Petrology, v. 52, p. 2335-2363. doi:10.1093/petrology/egr047

Jicha, B.R., Kristjánsson, L., Brown, M.C., Singer, B.S., Beard, B.L., Johnson, C.M. (2011) New age for the Skálamælifell excursion and identification of a global geomagnetic event in the late Brunhes chron, Earth & Planetary Science Letters, v. 310, 509-517. doi:10.1016/j.epsl.2011.08.007

Salisbury, M.J., Jicha, B.R., de Silva, S.L., Singer, B.S., Jiménez, N.C., Ort, M.H. (2011) 40Ar/39Ar chronostratigraphy of Altiplano-Puna Volcanic Complex ignimbrites reveals the development of a major magmatic province. Geological Society of America Bulletin, v. 123, p. 821-840. doi:10.1130/B30280.1

Walker, J.A., Singer, B.S. Jicha, B.R., Cameron, B.I., Carr, M.J., Olney, J.L. (2011) Monogenetic, behind-the-front volcanism in southeastern Guatemala and western El Salvador: 40Ar/39Ar ages and tectonic implications. Lithos, v. 123, p. 243-253. doi:10.1016/j.lithos.2010.09.016

Camps, P., Singer, B.S., Carvallo, C., Goguitchaichvili, A., Fanjat, G, Allen., B. (2011) The Kamikatsura event and the Matuyama-Brunhes Reversal recorded in lavas from Tjörnes Peninsula, Northern Iceland. Earth and Planetary Science Letters, v. 310, p. 33-44. doi:10.1016/j.epsl.2011.07.026

Chetel, L., Janecke, S.U., Carroll, A.R., Beard, B.L., Johnson, C.M., Singer, B.S. (2011) Paleogeographic reconstruction of the Eocene Idaho River, North American Cordillera. Geological Society of America Bulletin, v. 123, p. 71-88.

Wegner, W., Wörner, G., Harmon, R.S., Jicha, B.R. (2011) Magmatic history and evolution of the Central American landbridge in Panama since Cretaceous times, GSA Bulletin, v. 123, 703-724. doi:10.1130/B30109.1

Alexandre, P. (2011) Comparison between grain size and multi-mineral 40Ar/39Ar Thermochronology, Geochimica Cosmochimica et Acta, v. 75, p. 4260-4272. doi:10.1016/j.gca.2011.05.007


Channell, J.E.T., Hodell, D.A., Singer, B.S., Huang, C. (2010) Reconciling astrochronological and 40Ar/39Ar ages for the Matuyama-Brunhes boundary and late Matuyama Chron. Geochemistry, Geophysics, Geosystems, v. 11. Q0AA12 doi: 10.1029/2010GC003203

Hora, JM, Singer, BS, Jicha, BR, Beard, BL, Johnson, CM, de Silva, SL, Salisbury, ML (2010) Biotite-sanidine 40Ar/39Ar age discordances reflect complex Ar partitioning and pre-eruption closure in biotite. Geology, v. 38, p. 923-926. doi:10.1130/G31064.1

Jicha, BR, Smith, KE, Singer, BS, Beard, BL., Johnson, CM (2010) Crustal Assimilation no match for slab-fluids beneath Volcán de Santa María, Guatemala. Geology, v. 38, p. 859-862. doi:10.1130/G31062.1

Cassata, W.S., Singer, BS, Liddicoat, JC, Coe, RS. (2010) Reconciling discrepant chronologies for the geomagnetic excursion in the Mono Basin, California: Insights from new 40Ar/39Ar dating experiments and a revised relative paleointensity correlation. Quaternary Geochronology, v. 5, p. 533-543. doi:10.1016/j.quageo.2010.02.001

Wilf, P., Singer, B.S., Zamaloa, M.C., Johnson, K.R., Cuneo, N.R., Early Eocene 40Ar/39Ar age for the Pampa de Jones plant, frog, and insect biota (Huitrera Formation, Neuquén Province, Patagonia, Argentina). Ameghiniana (Paleontological Association of Argentina Reviews), v. 47(2), p. 207-216.

Karátson, D., Telbisz, T., Singer, B.S. (2010) Late-stage volcano-geomorphic evolution of the Pleistocene San Francisco Mountain, Arizona (USA), based on high-resolution DEM analysis and 40Ar/39Ar chronology. Bulletin of Volcanology, v. 72, p. 833-846.

Smith, ME, Chamberlain, KR., Singer, BS, Carroll, AE. (2010) Eocene clocks agree: Coeval 40Ar/39Ar, U-Pb and astronomical clocks from the Green River Formation. Geology, v. 38, p. 527-530. doi:10.1130/G30630.1

Escobar-Wolf, R.P., Diehl, J.F., Singer, B.S., Rose, W.I. (2010) 40Ar/39Ar  and paleomagnetic constraints on the evolution of Volcán de Santa María, Guatemala. Geological Society of America Bulletin, v. 122, p. 757-771. doi:10.1130/B26569.1

Carracedo, J.C., B. Singer, B. Jicha, F.J. Pérez Torrado, H. Guillou, E.R. Badiola, R.Paris. (2010) Pre-Holocene age of Humboldt’s 1430 eruption of the Orotava Valley, Tenerife, Canary Islands. Geology Today, v. 26, no. 3, p. 101-104. doi:10.1111/j.1365-2451.2010.00754.x

Bindeman, I.N., Leonov V.L., Izbekov P.E., Ponomareva V.V., Watts K.E., Shipley N.K., Perepelov A.B., Bazanova L.I., Jicha B.R., Singer B.S., Schmitt A.K., Portnyagin M.V., Chen C..H (2010) Large-volume silicic volcanism in Kamchatka: Ar-Ar, U-Pb ages and geochemical characteristics of major pre-Holocene caldera-forming eruptions. Journal of Volcanology and Geothermal Research, v. 189, p. 57-80. doi:10.1016/j.jvolgeores.2009.10.009

Sottili, G., Palladino, D.M., Marra, F., Jicha, B., Karner, D.B., Renne, P., (2010) Geochronology of the most recent activity in the Sabatini Volcanic District, Roman Province, central Italy, Journal of Volcanology & Geothermal Research, v. 196, p. 20-30. doi:10.1016/j.jvolgeores.2010.07.003

Shane, P., Lorna J. Strachan, and Ian Smith, I. (2010) Redefining the Waitemata Basin, New Zealand: A new tectonic, magmatic, and basin evolution model at a subduction terminus in the SW Pacific, Geochemistry, Geophysics, Geosystems, Q04008, 10.1029/2009GC002705


Brown, M.C., Singer, B.S., Knudsen, M.F., Jicha, B.R., Finnes, E., Feinberg, J.M. (2009) No Evidence for Brunhes age Excursions, Santo Antão, Cape Verde. Earth and Planetary Science Letters, v. 287, p. 100-115. doi:10.1016/j.epsl.2009.07.039

Goss, A.R, Kay, S.M., Mpodozis, C., Singer, B.S. (2009) The Incapillo Caldera and Dome Complex (~ 281 S, Central Andes): A stranded magma chamber over a dying Andean Arc. Journal of Volcanology and Geothermal Research, v. 184, p. 389-404. doi:10.1016/j.jvolgeores.2009.05.005

Renne, P.R., Deino, A.L., Hames, W.E., Heizler, M.T., Hemming, S.R., Hodges, K.V., Koppers, A.A.P., Mark, D.F., Morgan, L.E., Phillips, D., Singer, B.S., Turrin, B.D., Villa, I.M., Villeneuve, M., Wijbrans, J.R. (2009) Data reporting norms for 40Ar/39Ar geochronology. Quaternary Geochronology, v. 4, p. 346-352. doi:10.1016/j.quageo.2009.06.005

Singer, BS, Guillou, H., Jicha, BR., Laj, C., Kissel, C., Beard, BL., Johnson, CM. (2009) 40Ar/39Ar, K-Ar and 230Th-238U dating of the Laschamp excursion: A radioisotopic tie-point for ice core and climate chronologies. Earth and Planetary Science Letters v. 286, p. 80-88. doi:10.1016/j.epsl.2009.06.030

Hora, J.M., Singer, B.S., Worner, G., Beard, B.L., Jicha, B.R., Johnson, C.L. (2009) Shallow and deep control on differentiation of calc-alkaline and tholeiitic magma. Earth and Planetary Science Letters, v. 285, p. 75-86. doi:10.1016/j.epsl.2009.05.042

Jicha, B.R., Johnson, C.M., Hildreth, W., Beard, B.L., Hart, G.L., Shirey, S.B., Singer, B.S. (2009) Discriminating assimilants and decoupling deep- vs. shallow-level crystal records at Mount Adams using 238U-230Th disequilibria and Os isotopes. Earth and Planetary Science Letters, v. 277, p. 38-49. doi:10.1016/j.epsl.2008.09.035

Jicha, B.R. (2009) Holocene volcanic activity at Koniuji Island, Aleutians, Journal of Volcanology & Geothermal Research, v. 185, p. 214-222. doi:10.1016/j.jvolgeores.2009.05.018


Sruoga, P., Rubinstein, N.A., Etcheverría, M.P., Cegarra, M., Kay, S.M., Singer, B., Lee J. (2008) Estadío 10 inicial del arco volcánico Neógeno en la cordillera principal de Mendoza (35 °S). Revista de la Asociación Geológica Argentina, v. 63, p. 454-469.

Singer, B.S., Hoffman, K.A., Schnepp, E., Guillou, H. (2008) Multiple Brunhes Chron Excursions in the West Eifel Volcanic Field: Support for long-held mantle control on the non-axial dipole field. Physics of the Earth and Planetary Interiors, v. 169, p. 28-40. doi:10.1016/j.pepi.2008.05.001

Giorgis, S., McClelland, W., Fayon, A., Singer, B., and Tikoff, B. (2008) Timing of deformation and exhumation in the western Idaho shear zone, McCall, Idaho. Geological Society of America Bulletin, v. 120, p. 1119-1133. doi:10.1130/B26291.1

Blondes, M.S., Reiners, P.W., Ducea, M.N., Singer, B.S., Chesley, J. (2008) Temporal-compositional trends over short and long time-scales in basalts of the Big Pine Volcanic Field, CA. Earth and Planetary Science Letters, v. 269, p. 140-154. doi:10.1016/j.epsl.2008.02.012

Oskin, M., Perg, L., Shelef, E., Strane, M., Gurney, E., Singer, B., Zhang, X. (2008) Elevated shear-zone loading rate during an earthquake cluster in eastern California. Geology, v. 36, p. 507-510.

Smith, M.E., Singer, B.S., Carroll, A.R., Fournelle, J.H. (2008) Precise dating of biotite in distal volcanic ash: Isolating subtle alteration using 40Ar/39Ar  laser incremental heating and electron microprobe techniques. American Mineralogist, v. 93, p. 784-795.

Johnson, C.L., Constable, C.G., Tauxe, L., Barendregt, R., Brown, L.L., Coe, R.S., Layer, P., Mejia, V., Opdyke, N.D., Singer, B.S., Staudigel, H., and Stone, D.B. (2008) Recent investigations of the 0-5 Ma geomagnetic field recorded by lava flows. Geochemistry, Geophysics, Geosystems, v. 9, Q04032, doi:10.1029/2007GC001696

Singer, B.S., Jicha, B.R., Naranjo, J.A., Lara, L.E., Moreno-Roa, H., and Harper, M.A. (2008) Eruptive history, geochronology, and magmatic evolution of the Puyehue-Cordon Caulle volcanic complex, Chile. Geological Society of America Bulletin, v. 120, p. 599-618. doi:10.1130/B26276.1

Cassata, W.S., Singer, B.S., Cassidy, J. (2008) Laschamp and Mono Lake geomagnetic excursions recorded in New Zealand. Earth and Planetary Science Letters, v. 268, p. 76-88. doi:10.1016/j.epsl.2008.01.009

Singer, B.S., Jicha, B.R., Kirby, B.T., Geissman, J.W, Herrero-Bervera, E. (2008) 40Ar/39Ar dating links Albuquerque Volcanoes to the Pringle Falls excursion and the Geomagnetic Instability Time Scale. Earth and Planetary Science Letters, v. 267, p. 584-595. doi:10.1016/j.epsl.2007.12.009

Smith, M.E., Carroll, A.R., and Singer, B.S., (2008) Synoptic reconstruction of a major ancient lake system: Eocene Green River Formation, Western United States, Geological Society of America Bulletin, v. 120, p. 1154-84, doi: 10.1130/B26073.1


Thouret, J.-C., G. Wörner, Y. Gunnell, B. Singer, X. Zhang, T. Souriot (2007) Geochronologic and stratigraphic constraints on canyon incision and Miocene uplift of the Central Andes in Peru, Earth and Planetary Science Letters, v, 263, p. 151-166. doi:10.1016/j.epsl.2007.07.023

B.R. Jordan, H. Sigurdsson, S. Carey, S. Lundin, R. Rogers, B. Singer, M. Barquero-Molina (2007) Petrogenesis of Central American Tertiary ignimbrites and associated Caribbean Sea tephra. in: Paul Mann (ed.), Geological Society of America Special Paper 428: Geologic and Tectonic Development of the Caribbean Plate in Northern Central America, GSA, Boulder CO, p. 151-179.

Iglesias, A., Wilf, P., Johnson, K.R., Zamuner, A.B., Cuneo, N.R., Matheos, S.D., and Singer, B.S. (2007) A Paleocene lowland macroflora from Patagonia reveals significantly greater richness than North American analogs. Geology, v.35, p. 947-950. doi:10.1130/G23889A.1.

Craddock, J.P., Anziano, J, Wirth, K., Vervoort, J.D., Singer, B., and Zhang, X. (2007) Structure, geochemistry and geochronology of a Penokean Lamprophyre Dike Swarm, Archean Wawa Terrane, Little Presque Isle, Michigan, USA. Precambrian Research, v. 157, p. 50-70. doi:10.1016/j.precamres.2007.02.010

Medaris, L.G. Jr., Van Schmus W.R., Loofboroc, J., Zhang, X., Holm, D.K., Singer, B.S., and Dott, R.H. Jr. (2007) Two Paleoproterozoic (Statherian) Siliciclastic Metasedimentary Sequences in Central Wisconsin: The End of the Penokean Orogeny and Cratonic Stabilization of the Southern Lake Superior Region. Precambrian Research, v. 157, p. 188-202. doi:10.1016/j.precamres.2007.02.016

Hora, J.M., Singer, B.S., and Worner, G. (2007) Eruptive flux through thick crust of the Andean central volcanic zone: 40Ar/39Ar constraints from Volcán Parinacota, Chile. Geological Society of America Bulletin, v. 119, p. 343-362. doi: 10.1130/B25954.1

Jicha, B.R., Singer, B.S., Beard, B.L., Johnson, C.L., Moreno-Roa, H., and Naranjo, J.A. (2007) Rapid magma ascent and generation of 230Th excesses in the lower crust at Puyehue-Cordón Caulle, Southern Volcanic Zone, Chile. Earth and Planetary Science Letters, v. 255, p. 249-242. doi:10.1016/j.epsl.2006.12.017. doi:10.1016/j.epsl.2006.12.017

Herrero-Bervera E., Browne, E., Valet, J.P., Singer, B.S., and Jicha, B.R. (2007) Cryptochron C2r.2r-1 Recorded 2.51 Ma in the Koolau Volcano at Halawa, Oahu, Hawaii, USA: Paleomagnetic and 40Ar/39Ar evidence. Earth and Planetary Science Letters, v. 254, p. 256-271. doi:10.1016/j.epsl.2006.11.023


Secord, R., P.D. Gingerich, M. E. Smith, W.C. Clyde, P. Wilf, and B.S. Singer (2006) Geochronology and Mammalian Biostratigraphy of Middle and Upper Paleocene Continental Strata, Bighorn Basin, Wyoming. American Journal of Science, v. 306, p. 211-245. doi:10.2475/ajs.306.4.211

Jicha, B.R., Scholl, D.W., Singer, B.S., Yogodzinski, G.M., and Kay, S.M., Revised age of Aleutian Island arc formation implies high rate of magma production. Geology, v. 34, p. 661-664. doi:10.1130/G22433.1

Smith, M.E., Singer, B.S., Carroll, A.R. (2006) High-resolution calibration of Eocene strata: 40Ar/39Ar geochronology of biotite in the Green River Formation. Geology, v. 34, p. 393-396. doi:10.1130/G22265.1

Jicha, B.R., and Singer, B.S. (2006) Volcanic and magmatic evolution of Seguam Island, Aleutian Island Arc, Alaska. Geological Society of America Bulletin, v. 118, p. 805-822. doi:10.1130/B25861.1


Brown, E.H., Lapen, T.J., Leckie, R.M., Premoli Silva, I., and Singer, B.S. (2005) Revised ages of blueschist metamorphism and the youngest pre-thrusting rocks in the San Juan Islands, Washington. Canadian Journal of Earth Sciences, v. 42, p. 1389-1400. doi: 10.1139/E05-033

Chetel, L.M., Simo. J.A. and Singer, B.S. (2005) 40Ar/39Ar Geochronology and provenance of detrital K-feldspars, Ordovician, Upper Mississipi Valley. Sedimentary Geology, v. 182, p. 163-181. doi:10.1016/j.sedgeo.2005.07.010

Jicha, B.R., Singer, B.S., Beard, B.L., and Johnson, C.L. (2005) Contrasting timescales of crystallization and magma storage beneath the Aleutian Island arc. Earth and Planetary Science Letters, v. 236, p. 195-210. doi:10.1016/j.epsl.2005.05.002

Wilf, P., Johnson, K.R., Cuneo, R.N., Smith, M.E., Singer, B.S., and Gandolfo, M.A. (2005) Eocene plant diversity at Laguna del Hunco and Rio Pichileufu, Patagonia, Argentina. The American Naturalist, v. 165, No. 6, p. 634-650.

Singer, B.S., Hoffman, K.A., Coe, R.S., Brown, L.L., Jicha, B.R., Pringle M.S., and Chauvin, A. (2005) Structural and temporal requirements for geomagnetic field reversal deduced from lava flows. Nature, v. 434, p. 633-636. doi:10.1038/nature03431