Science Communications

PUBLICATIONS

Gallant, E., Deng, F., Connor, C., Dixon, T. H., Xie, S., Saballos, J. A., Guitierrez, C., Myhre, D., Connor, L., Zayac, J., LaFemina, P., Charbonnier, S., Richardson, J., Maslervisi, R., and Thompson, G. (2020) “Deep and rapid thermo-mechanical erosion by a small-volume lava flow.” Earth and Planetary Science Letters 537, 116163.

Yanchilina, A., Yelisetti, S., Wolfson-Schwehr, M., Voss, N., Kelly, T., Coakley, B., Pockalny, R., Brizzolara, J., Brown, K., Zayac, J., Fung, M., and Guerra, M. (2017). The 2016 UNOLS Chief Scientist Training Cruise: Exploring methane gas seepage in the California Borderlands,” EOS.

Petermann, M., Whittington, A., Hofmeister, A., Spera, F., Zayac, J. (2008) “Transport Properties of Low-Sanidine Single-Crystals, Glasses and Melts at High Temperatures.” Contributions to Mineralogy and Petrology 155 (6) 689-702.

Zhao, J., Sullivan, J., Zayac, J., Bennett, T. (2004) “Structural Modification of Silica Glass by Laser Scanning.” Journal of Applied Physics 95 (10) 61-68.

CONFERENCE ABSTRACTS

Zayac, J., Longpré, M.-A. (2020) “A Geochemical and Textural Cross-Section of a Compositionally Zoned Magma Reservoir.” Goldschmidt Virtual 2020.

Tramontano, S., Zayac, J. M., Aldebot, S., Espinoza, E., Longpré, M.-A. (2020) “Assembly of Monotonous Basaltic Andesite Magmas at Momotombo Volcano, Nicaragua, and the 2015-2016 Eruption.” Goldschmidt Virtual 2020.

Gallant, E., Connor, C., Deng, F., Dixon, T., Saballos, A., Xie, S., Gutiérrez, C., Myhre, D., Connor, L., Zayac, J.,Charbonnier, S., Richardson, J., Thompson, G., Malservisi, R., La Femina, P., (2019) “Deep and rapid thermo-mechanical erosion by a small-volume lava flow.” 2019 AGU Fall Meeting, San Francisco, CA. Abstract V31H-0106.

Zayac, J.M., Longpré, M.-A. (2019) “The Momotombo-Monte Galán Volcanic System, Nicaragua: Stratigraphic and Geochemical Investigation of Overlapping Eruption Centers.” VolcaNYC Symposium, Lamont-Doherty Earth Observatory, Palisades, NY.

Karaduzovic, S., Zayac, J.M., Longpré M.-A. (2019) “Vesicularity Measurements Across Compositionally-Zoned Pyroclastic Fall Deposits at Cosigüina Volcano (Nicaragua): Insights Into Pre- and Syn-Eruptive Magma Degassing.” VolcaNYC Symposium, Lamont-Doherty Earth Observatory, Palisades, NY.

 Zayac, J.M., Longpré, M.-A., Ocampo Cardona, N. (2018) “Fine-Scale Textural and Geochemical Stratigraphy of a Compositionally Zoned Eruption at Cosigüina Volcano, Nicaragua: Insights Into the Eruption Trigger Mechanism?” 2018 AGU Fall Meeting, Washington D.C. Abstract V33D-0274.

Longpré, M.-A., Zayac, J.M., Stix, J. (2018) “Cyclic Compositionally Zoned Explosive Eruptions at an Arc Volcano (Cosigüina, Nicaragua): Implications for Magma Reservoir Processes.” 2018 AGU Fall Meeting, Washington D.C. Abstract V33D-0268.

Zayac, J.M., Longpré, M.-A., Ocampo Cardona, N. (2018) “Fine-Scale Textural Analysis of a Compositionally Zoned, Explosive Eruption, Volcán Cosigüina, Nicaragua: Preliminary Results and Implications.” VolcaNYC Symposium, City College, CUNY, New York, NY.

Zayac, J.M., Longpré, M.-A., Espinoza, E., and Saballos, A. (2017) “Eruptive History and Mafic-Silicic Magma Interaction, Monte Galán and Momotombo Volcanoes, Nicaragua.” 2017 IAVCEI Scientific Assembly, Portland, OR. Abstract VH43C-184.

Zayac, J.M., and Longpré, M.-A. (2017) “Volcanic Stratigraphy of Nested Eruption Centers: The Monte Galán Caldera-Forming Eruption, Nicaragua.” VolcaNYC Symposium, Queens College, CUNY, Queens, NY.

Zayac, J.M., Longpré, M.-A., Espinoza, E., and Saballos, A. (2017) “Eruptive History and Mafic-SIlicic Magma Interaction, Monte Galán and Momotombo Volcanoes, Nicaragua.” 2017 Sigma Xi Research Day, Queens College, CUNY, Queens, NY.

Zayac, J.M., Anderson, B., Davies, A. (2013) “Scheduling for Completion.” Association of California Community College Administrators (ACCCA) Annual Conference, Monterey, CA.

Petermann, M., Hofmeister, A.M., Whittington, A.G., Spera, F.J., and Zayac, J. (2005) “High-Temperature Thermal Diffusivity Measurements of Silicate Glasses.” AGU Fall Meeting,  San Francisco, CA. Abstract MR13A-0072.

Zhao, J., Sullivan, J., Zayac, J., Bennett, T. (2003) “Thermophysical Modeling of CO2 Laser-Silica Glass Interaction.” ASME International Mechanical Engineering Congress and Exposition, Washington D.C.

Zayac, J.M., Spera, F.J. “Thermal Conductivity of Amorphous Geomaterials at Magmatic Temperatures: Review, Theory, and New Experimental Results.” AGU Fall Meeting, San Francisco, CA. Abstract V72B-1323.

PUBLIC TALKS

Zayac, J.M. (2018) “Fine-Scaled Stratigraphic Investigation of an Explosive, Compositionally Zoned Eruption at Volcán Cosigüina, Nicaragua.” School of Earth and Environmental Science Colloquium, Queens College, CUNY, Flushing, N.Y.

Zayac, J.M. (2017) “Eruptive History and Mafic-Silicic Magma Interaction, Monte Galán and Momotombo Volcanoes, Nicaragua” School of Earth and Environmental Science Colloquium, Queens College, CUNY, Flushing, NY.

Zayac, J.M. (2016) “Explosive Volcanic Eruption Triggers: Potential Insights from Prehistoric, Chemically Zoned Eruptions at Volcán Cosigüina, Nicaragua.” Earth and Environmental Sciences Program Student Research Day, The Graduate Center, CUNY, New York, NY.

Zayac, J.M. (2011) “California’s Supervolcano: The Long Valley Caldera and the Birth of Mammoth Mountain.” Friends of the Platt Library Professor Lecture Series, Los Angeles Public Library, Platt Branch, Woodland Hills, CA.

Zayac, J.M. (2009) “Earthquake Science: Focus on Los Angeles.” Encore Professor’s Lecture Series, Los Angeles Pierce College, Woodland Hills, CA.

Zayac, J.M. (2006) “The Volcano in the Lab: Experimental Investigation into Magmatic Transport Properties.” Department of Earth Science Speaker Series, UCSB, Santa Barbara, CA.