Recent Student Publications

Mareike ADAMS

Adams, M., Twardzik, C., & Ji, C. (2016). Exploring the uncertainty range of coseismic stress drop estimations of large earthquakes using finite fault inversions. Geophysical Journal International 208: 86-100.

Ranalli, G., & Adams, M. (2013). Rheological contrast at the continental Moho: Effects of composition, temperature, deformation mechanism, and tectonic regime. Tectonophysics 609: 480-490.


Alessio, P., 2019. Spatial variability of saturated hydraulic conductivity and measurement-based intensity-duration thresholds for slope stability, Santa Ynez Valley, CA. Geomorphology


Simkins, L. M., DeWitt, R., Simms, A. R., Briggs, S., & Shapiro, R. S. (2016). Investigation of optically stimulated luminescence behavior of quartz from crystalline rock surfaces: A look forward. Quaternary Geochronology 36: 161-173.


Carlson, W.D., Hixon, J.D., Garber, J.M., & Bodnar, R.J. (2015). Controls on metamorphic equilibration: the importance of intergranular solubilities mediated by fluid composition. Journal of Metamorphic Geology 33: 123-146.

Garber, J.M., Roeske, S.M., Warren, J., Mulcahy, S.R., McClelland, W.C., Austin, L.J., Renne, P.R., & Vujovich, G.I. (2014). Crustal shortening, exhumation, and strain localization in a collisional orogen: The Bajo Pequeño Shear Zone, Sierra de Pie de Palo, Argentina. Tectonics 33: 1277-1303.

Rioux, M., Garber, J., Bauer, A., Bowring, S., Searle, M., Kelemen, P., & Hacker, B. (2016). Synchronous formation of the metamorphic sole and igneous crust of the Semail ophiolite: New constraints on the tectonic evolution during ophiolite formation from high-precision U–Pb zircon geochronology. Earth and Planetary Science Letters 451: 185-195.

Searle, M.P., Waters, D.J., Garber, J.M., Rioux, M., Cherry, A.G., & Ambrose, T.K. (2015). Structure and metamorphism beneath the obducting Oman ophiolite: Evidence from the Bani Hamid granulites, northern Oman mountains. Geosphere 11: 1812-1836.


Greaney A.T., Rudnick, R.L, Helz, R.T., Gaschnig, R.M., Ash, R.D., & Piccoli, P. (2017). The behavior of chalcophile elements during magmatic differentiation as observed in Kilauea Iki Lava Lake. Geochimica et Cosmochimia Acta 210: 71-96.


Broussolle, A., Štípská, P., Lehmann, J., Schulmann, K., Hacker, B.R., Holder, R.M., Kylander-Clark, A.K.C., Hanžl, P., Racek, M., Hasalová, P., Lexa, O., Hrdli?ková, K., & Buriánek, D. (2015). P−T−t−D record of crustal-scale horizontal flow and magma-assisted doming in the SW Mongolian Altai. Journal of Metamorphic Geology 33: 359-383.

Hacker, B.R., Kylander-Clark, A.K.C., Holder, R.M., Andersen, T.B., Peterman, E.M., Walsh, E.O., & Munnikhuis, J. (2015). Monazite response to ultrahigh-pressure subduction from U-Pb dating by laser ablation split stream. Chemical Geology 409: 28-41.

Holder, R.M., Hacker, B.R., Kylander-Clark, A.K.C., & Cottle, J.M. (2015). Monazite trace-element and isotopic signatures of (ultra)high-pressure metamorphism: Examples from the Western Gneiss Region, Norway. Chemical Geology 409: 99-111.

Horton, F., Hacker, B.R., Kylander-Clark, A.K.C., Holder, R.M., & Jöns, N. (2016). Focused radiogenic heating of middle crust caused ultrahigh temperatures in southern Madagascar. Tectonics 35: 293-314.

Perestý, V., Lexa, O., Holder, R.M., Jerabek, P., Racek, M., Stipska, P., Schulmann, K., & Hacker, B. (2016). Metamorphic inheritance of Rheic passive margin evolution and its early Variscan overprint in the Teplá-Barrandian Unit, Bohemian Massif. Journal of Metamorphic Geology 35: 327-355.

Štípská, P., Hacker, B. R., Racek, M., Holder, R.M., Kylander-Clark, A.R.C., Schulmann, K., & Hasalová, P. (2015). Monazite Dating of Prograde and Retrograde P–T–d paths in the Barrovian terrane of the Thaya window, Bohemian Massif. Journal of Petrology 56: 1007-1035.

Štípská, P., Powell, R., Hacker, B. R., Holder, R.M., & Kylander-Clark, A.R.C. (2016). Uncoupled U/Pb and REE response in zircon during the transformation of eclogite to mafic and intermediate granulite (Blanský les, Bohemian Massif). Journal of Metamorphic Geology 34: 551-572.


Soret, M., Larson, K.P., Cottle, J.M., Smit, M., Johnson, A., Shrestha, S., Ali, A., and Faisal, S., 2019, Mesozoic to Cenozoic tectono-metamorphic history of the South Pamir-Hindu Kush (Chitral, NW Pakistan): insights from phase equilibria modelling, and garnet-monazite petrochronology: Journal of Metamorphic Geology, v. 37, p. 633-666.

Johnson, T.A., Vervoort, J.D., Ramsey, M.J., Aleinikoff, J.N., and Southworth, S., 2018, Constraints on the timing and duration of orogenic events by combined Lu-Hf and Sm-Nd geochronology: an example from the Grenville orogeny: Earth and Planetary Science Letters, v. 501, p. 152-164.
Maher, S., and Kendall, J., 2018, Crustal anisotropy and state of stress at Uturuncu Volcano , Bolivia , from shear-wave splitting measurements and magnitude – frequency distributions in seismicity:



McGrath, A. J., Anaya, F., & Croft, D. A. 2018. Two new macraucheniids (Mammalia: Litopterna) from the late middle Miocene (Laventan South American Land Mammal Age) of Quebrada Honda, Bolivia. Journal of Vertebrate Paleontology, 38(3), e1461632.

McGrath, A. J., Flynn, J. J., & Wyss, A. R. Proterotheriids and macraucheniids (Litopterna: Mammalia) from the Pampa Castillo fauna, Chile (early Miocene, Santacrucian SALMA) and a new phylogeny of Proterotheriidae. Journal of Systematic Palaeontology, DOI: 10.1080/14772019.2019.1662500.


Moser, A.C., Evans, J.P., Ault, A.K., Janecke, S.U., and Bradbury, K.K., 2017, (U-Th)/He thermochronometry reveals Pleistocene punctuated deformation and synkinematic hematite mineralization in the Mecca Hills, southern California: Earth and Planetary Science Letters, v. 476,  p. 87-99.


Anzieta J., Ortiz H., Arias G., and Mario Ruiz. (2019). Finding possible precursors for the 2015 Cotopaxi volcano eruption using unsupervised machine learning techniques. International Journal of Geophysics, Vol. 2019
Ortiz H., Johnson J., Ramón P., and Ruiz M. (2018). Using infrasound waves to monitor tropospheric weather and crater morphology changes at Tungurahua Volcano, Ecuador. Journal of Volcanology and Geothermal Research, 349, 205-2016.
Johnson J., Ruiz M., Ortiz H., and Ramón P. (2018) Infrasound tornillos produced by Volcán Cotopaxi’s deep crater. Geophysical Research Letters, 45, 5436-5444.
Bernard B., Kueppers U., and Ortiz H., (2015) Revisiting the statistical analysis of pyroclast density and porosity data, Solid Earth, 6, 869-879.
Kumagai H., Lacson R., Maeda Y., Figueroa M., Yamashina T., Ruiz M., Palacios P., Ortiz H., and Yepes H., (2013) Source amplitudes of volcano-seismic signals determined by an amplitude source location method as a quantitative measure of event sizes. Journal of Volcanology and Geothermal Research, 257, 57-71.



Reinhard, A.A., Jackson, M.G., Harvey, J., Brown, C.R., & Koornneef, J.M. (2016). Extreme differences in 87Sr/86Sr between Samoan lavas and the magmatic olivines they host: Evidence for highly heterogeneous 87Sr/86Sr in the magmatic plumbing system sourcing a single lava. Chemical Geology 439: 120-131.

Jackson, M.G., Price, A.A., Blichert-Toft, J., Kurz, M.D., & Reinhard, A.A. (2016). Geochemistry of lavas from the Caroline hotspot, Micronesia: Evidence for primitive and recycled components in the mantle sources of lavas with moderately elevated 3He/4He. Chemical Geology 455: 385-400.


Simms, A. R., Reynolds, L. C., Bentz, J. M., Roman, A., Rockwell, T. K., & Peters, R. B. (2016). Tectonic subsidence of California estuaries increases forecasts of relative sea-level rise. Estuaries and Coasts. SCEC Contribution 6020

Reynolds, L.C., and Simms, A.R. (2015).  Late Quaternary relative sea level in Southern California and Monterey Bay.  Quaternary Science Reviews 126: 57-66.

Holmquist, J., Reynolds, L., Brown, L., Southon, J., Simms, A.R., and MacDonald, G.  (2015).  Marine radiocarbon reservoir values in southern California estuaries: interspecies, latitudinal, and interannual variability.  Radiocarbon 57: 449-458.

Reynolds, L.C., Simms, A.R., Ejarque, A., King, B., Anderson, R.S., Carlin, J.A., Bentz, J.M., Rockwell, T.K., Peters, R. (2018).  Coastal flooding and the 1861-2 California storm season.  Marine Geology 400: 49-59.


Spera, F., & Scruggs, M. (2016) Fractional Crystallization and Assimilation. In Encyclopedia of Geochemistry: A Comprehensive Reference Source on the Chemistry of the Earth. W.M. White, ed., Springer International Publishing.

Elisabeth STEEL

Steel, E., Buttles, J., Simms, A., Mohrig, D., and Meiburg, E., 2017, The role of buoyancy reversal in turbidite deposition and submarine fan geometry: Geology, v. 40, no. 1, p. 35-38.

Steel, E., Simms, A., Warrick, J., and Yokoyama, Y., 2016, Highstand shelf fans: The role of buoyancy reversal in the deposition of a new type of shelf sand body: GSA Bulletin, v. 128, no. 11/12, p. 1717-1724.

Warrick, J.A., Simms, A.R., Ritchie, A., Steel, E., Dartnell, P., Conrad, J.E., and Finlayson, D.P., 2013, Hyperpycnal plume-derived fans in the Santa Barbara Channel, California: Geophysical Research Letters, v. 40, p. 1-6

Kim, W., Connell, S.D., Steel, E., Smith, G.A., and Paola, C., 2011, Mass balance control on the interaction of axial and transverse channel systems: Geology, v. 39, p. 611-614.

Jiong WANG

Tanimoto, T., & Wang, J. ( 2018). Low‐frequency seismic noise characteristics from the analysis of co‐located seismic and pressure data. Journal of Geophysical Research: Solid Earth, 123, 5853– 5885.

Tanimoto, T., & Wang, J. ( 2019). Theory for deriving shallow elasticity structure from colocated seismic and pressure data. Journal of Geophysical Research: Solid Earth, 124, 5811– 5835


Willhite, L.N., Jackson, M.G., Blichert‐Toft, J., Bindeman, I., Kurz, M.D., Halldórsson, S.A., Harðardóttir, S., Gazel, E., Price, A.A., Byerly, B. L. (2019). Hot and heterogenous high‐ 3He/4He components: New constraints from proto‐Iceland plume lavas from Baffin Island. Geochemistry, Geophysics, Geosystems. doi: 10.1029/2019gc008654


Zurbuchen, J., Simms, A.R. (2019).  Late Holocene ice-mass changes recorded in a relative sea-level record from Joinville Island, Antartica.  Geology 47: 1064-1068.

Simms, A.R., DeWitt, R., Zurbuchen, J., and Vaughn, P., (2017).  Coastal erosion and recovery from a Cascadia subduction zone earthquake and tsunami.  Marine Geology 392: 30-40.