Search
Benjamin Andrews
Geologist and Associate Curator of Rocks and OresEducation
- B.A., University of Oregon
- M.S., University of Alaska
- Ph.D., University of Texas Austin
- B.A., University of Oregon
- M.S., University of Alaska
- Ph.D., University of Texas Austin
Research Interests
Volcanic processes and hazards ranging from magmatic storage and recharge conditions, through eruption, to deposition; rates of mass, momentum, and energy transfer in different volcanic and geologic processes; analog modeling, optical flow velocimetry, turbulence analysis, sample grain size and component analysis, experimental petrology, electron microscopy, and crystal isotope stratigraphy.
Volcanic processes and hazards ranging from magmatic storage and recharge conditions, through eruption, to deposition; rates of mass, momentum, and energy transfer in different volcanic and geologic processes; analog modeling, optical flow velocimetry, turbulence analysis, sample grain size and component analysis, experimental petrology, electron microscopy, and crystal isotope stratigraphy.
Publications
Article
- Andrews, Benjamin J. 2019. "Recognizing unsteadiness in the transport systems of dilute pyroclastic density currents." Bulletin of Volcanology 81 (5):https://doi.org/10.1007/s00445-018-1266-5
- Andrews, Benjamin J., Dufek, Josef, and Ponomareva, Vera. 2018. "Eruption dynamics and explosive-effusive transitions during the 1400 cal BP eruption of Opala volcano, Kamchatka, Russia." Journal of Volcanology and Geothermal Research 356:316–330. https://doi.org/10.1016/j.jvolgeores.2018.02.019
- Befus, Kenneth S. and Andrews, Benjamin J. 2018. "Crystal nucleation and growth produced by continuous decompression of Pinatubo magma." Contributions to Mineralogy and Petrology 173 (11):https://doi.org/10.1007/s00410-018-1519-5
- Gardner, James E., Nazworth, Caroline, Helper, Mark A., and Andrews, Benjamin J. 2018. "Inferring the nature of pyroclastic density currents from tree damage: The 18 May 1980 blast surge of Mount St. Helens, USA." Geology 46 (9):795–798. https://doi.org/10.1130/G45353.1
- Gardner, James E., Andrews, Benjamin J., and Dennen, Robert. 2017. "Liftoff of the 18 May 1980 surge of Mount St. Helens (USA) and the deposits left behind." Bulletin of Volcanology 79 (1):8–8. https://doi.org/10.1007/s00445-016-1095-3
- Pistone, Mattia, Whittington, Alan G., Andrews, Benjamin, and Cottrell, Elizabeth. 2017. "Crystal-rich lava dome extrusion during vesiculation: An experimental study." Journal of Volcanology and Geothermal Research 347:1–14. https://doi.org/10.1016/j.jvolgeores.2017.06.018
- Black, Benjamin A., Manga, Michael, and Andrews, Benjamin J. 2016. "Ash production and dispersal from sustained low-intensity Mono-Inyo eruptions." Bulletin of Volcanology 78 (8):57–57. https://doi.org/10.1007/s00445-016-1053-0
- Waters, Laura E. and Andrews, Benjamin J. 2016. "The role of superheating in the formation of Glass Mountain obsidians (Long Valley, CA) inferred through crystallization of sanidine." Contributions to Mineralogy and Petrology 171 (10):79. https://doi.org/10.1007/s00410-016-1291-3
- Zellmer, Georg F., Pistone, Mattia, Iizuka, Yoshiyuki, Andrews, Benjamin J., Gomez-Tuena, Arturo, Straub, Susanne M., and Cottrell, Elizabeth. 2016. "Petrogenesis of antecryst-bearing arc basalts from the Trans-Mexican Volcanic Belt: Insights into along-arc variations in magma-mush ponding depths, H2O contents, and surface heat flux." American Mineralogist 101 (11):2405–2422. https://doi.org/10.2138/am-2016-5701
- Lavallée, Yan, Dingwell, Donald B., Johnson, Jeffrey B., Cimarelli, Corrado, Hornby, Adrian J., Kendrick, Jackie E., von Aulock, Felix W., Kennedy, Ben M., Andrews, Benjamin J., Wadsworth, Fabian B., Rhodes, Emma, and Chigna, Gustavo. 2015. "Thermal vesiculation during volcanic eruptions." Nature 528 (7583):544–547. https://doi.org/10.1038/nature16153
- McCormick, Brendan, Popp, Christoph, Andrews, Benjamin J., and Cottrell, Elizabeth. 2015. "Ten years of satellite observations reveal highly variable sulphur dioxide emissions at Anatahan Volcano, Mariana Islands." Journal of Geophysical Research. D. Atmospheres 120 (14):7258–7282. https://doi.org/10.1002/2014JD022856
- Waters, Laura E., Andrews, Benjamin J., and Lange, Rebecca A. 2015. "Rapid Crystallization of Plagioclase Phenocrysts in Silicic Melts during Fluid-saturated Ascent: Phase Equilibrium and Decompression Experiments." Journal of Petrology 56 (5):981–1006. https://doi.org/10.1093/petrology/egv025
- Andrews, Benjamin J. 2014. "Magmatic storage conditions, decompression rate, and incipient caldera collapse of the 1902 eruption of Santa Maria Volcano, Guatemala." Journal of Volcanology and Geothermal Research 282:103–114. https://doi.org/10.1016/j.jvolgeores.2014.06.009
- Andrews, Benjamin J. 2014. "Dispersal and air entrainment in unconfined dilute pyroclastic density currents." Bulletin of Volcanology 76 (9):852–852. https://doi.org/10.1007/s00445-014-0852-4
- Andrews, Benjamin J. and Manga, Michael. 2014. "Thermal and rheological controls on the formation of mafic enclaves or banded pumice." Contributions to Mineralogy and Petrology 167 (1):https://doi.org/10.1007/s00410-013-0961-7
- Johnson, Jeffrey B., Lyons, J. J., Andrews, Benjamin J., and Lees, J. M. 2014. "Explosive dome eruptions modulated by periodic gas-driven inflation." Geophysical Research Letters 41 (19):6689–6697. https://doi.org/10.1002/2014GL061310
- Andrews, Benjamin J. and Manga, Michael. 2012. "Experimental study of turbulence, sedimentation, and coignimbrite mass partitioning in dilute pyroclastic density currents." Journal of Volcanology and Geothermal Research 225-226:30–44. https://doi.org/10.1016/j.jvolgeores.2012.02.011
- Cardenas, M. B., Lagmay, Alfredo Mahar F., Andrews, Benjamin J., Rodolfo, Raymond S., Cabria, Hillel B., Zamora, Peter B., and Lapus, Mark R. 2012. "Terrestrial smokers: Thermal springs due to hydrothermal convection of groundwater connected to surface water." Geophysical Research Letters 39:https://doi.org/10.1029/2011GL050475
- Andrews, Benjamin J. and Manga, Michael. 2011. "Effects of topography on pyroclastic density current runout and formation of coignimbrites." Geology 39 (12):1099–1102. https://doi.org/10.1130/G32226.1
Chapter
- Siebert, Lee, Cottrell, Elizabeth, Venzke, Edward A., and Andrews, Benjamin J. 2015. "Earth's Volcanoes and Their Eruptions: An Overview." in The Encyclopedia of Volcanoes, edited by Sigurdsson, Haraldur., 2nd ed. 239–255. Amsterdam: Academic Press.
Article
- Andrews, Benjamin J. 2019. "Recognizing unsteadiness in the transport systems of dilute pyroclastic density currents." Bulletin of Volcanology 81 (5):https://doi.org/10.1007/s00445-018-1266-5
- Andrews, Benjamin J., Dufek, Josef, and Ponomareva, Vera. 2018. "Eruption dynamics and explosive-effusive transitions during the 1400 cal BP eruption of Opala volcano, Kamchatka, Russia." Journal of Volcanology and Geothermal Research 356:316–330. https://doi.org/10.1016/j.jvolgeores.2018.02.019
- Befus, Kenneth S. and Andrews, Benjamin J. 2018. "Crystal nucleation and growth produced by continuous decompression of Pinatubo magma." Contributions to Mineralogy and Petrology 173 (11):https://doi.org/10.1007/s00410-018-1519-5
- Gardner, James E., Nazworth, Caroline, Helper, Mark A., and Andrews, Benjamin J. 2018. "Inferring the nature of pyroclastic density currents from tree damage: The 18 May 1980 blast surge of Mount St. Helens, USA." Geology 46 (9):795–798. https://doi.org/10.1130/G45353.1
- Gardner, James E., Andrews, Benjamin J., and Dennen, Robert. 2017. "Liftoff of the 18 May 1980 surge of Mount St. Helens (USA) and the deposits left behind." Bulletin of Volcanology 79 (1):8–8. https://doi.org/10.1007/s00445-016-1095-3
- Pistone, Mattia, Whittington, Alan G., Andrews, Benjamin, and Cottrell, Elizabeth. 2017. "Crystal-rich lava dome extrusion during vesiculation: An experimental study." Journal of Volcanology and Geothermal Research 347:1–14. https://doi.org/10.1016/j.jvolgeores.2017.06.018
- Black, Benjamin A., Manga, Michael, and Andrews, Benjamin J. 2016. "Ash production and dispersal from sustained low-intensity Mono-Inyo eruptions." Bulletin of Volcanology 78 (8):57–57. https://doi.org/10.1007/s00445-016-1053-0
- Waters, Laura E. and Andrews, Benjamin J. 2016. "The role of superheating in the formation of Glass Mountain obsidians (Long Valley, CA) inferred through crystallization of sanidine." Contributions to Mineralogy and Petrology 171 (10):79. https://doi.org/10.1007/s00410-016-1291-3
- Zellmer, Georg F., Pistone, Mattia, Iizuka, Yoshiyuki, Andrews, Benjamin J., Gomez-Tuena, Arturo, Straub, Susanne M., and Cottrell, Elizabeth. 2016. "Petrogenesis of antecryst-bearing arc basalts from the Trans-Mexican Volcanic Belt: Insights into along-arc variations in magma-mush ponding depths, H2O contents, and surface heat flux." American Mineralogist 101 (11):2405–2422. https://doi.org/10.2138/am-2016-5701
- Lavallée, Yan, Dingwell, Donald B., Johnson, Jeffrey B., Cimarelli, Corrado, Hornby, Adrian J., Kendrick, Jackie E., von Aulock, Felix W., Kennedy, Ben M., Andrews, Benjamin J., Wadsworth, Fabian B., Rhodes, Emma, and Chigna, Gustavo. 2015. "Thermal vesiculation during volcanic eruptions." Nature 528 (7583):544–547. https://doi.org/10.1038/nature16153
- McCormick, Brendan, Popp, Christoph, Andrews, Benjamin J., and Cottrell, Elizabeth. 2015. "Ten years of satellite observations reveal highly variable sulphur dioxide emissions at Anatahan Volcano, Mariana Islands." Journal of Geophysical Research. D. Atmospheres 120 (14):7258–7282. https://doi.org/10.1002/2014JD022856
- Waters, Laura E., Andrews, Benjamin J., and Lange, Rebecca A. 2015. "Rapid Crystallization of Plagioclase Phenocrysts in Silicic Melts during Fluid-saturated Ascent: Phase Equilibrium and Decompression Experiments." Journal of Petrology 56 (5):981–1006. https://doi.org/10.1093/petrology/egv025
- Andrews, Benjamin J. 2014. "Magmatic storage conditions, decompression rate, and incipient caldera collapse of the 1902 eruption of Santa Maria Volcano, Guatemala." Journal of Volcanology and Geothermal Research 282:103–114. https://doi.org/10.1016/j.jvolgeores.2014.06.009
- Andrews, Benjamin J. 2014. "Dispersal and air entrainment in unconfined dilute pyroclastic density currents." Bulletin of Volcanology 76 (9):852–852. https://doi.org/10.1007/s00445-014-0852-4
- Andrews, Benjamin J. and Manga, Michael. 2014. "Thermal and rheological controls on the formation of mafic enclaves or banded pumice." Contributions to Mineralogy and Petrology 167 (1):https://doi.org/10.1007/s00410-013-0961-7
- Johnson, Jeffrey B., Lyons, J. J., Andrews, Benjamin J., and Lees, J. M. 2014. "Explosive dome eruptions modulated by periodic gas-driven inflation." Geophysical Research Letters 41 (19):6689–6697. https://doi.org/10.1002/2014GL061310
- Andrews, Benjamin J. and Manga, Michael. 2012. "Experimental study of turbulence, sedimentation, and coignimbrite mass partitioning in dilute pyroclastic density currents." Journal of Volcanology and Geothermal Research 225-226:30–44. https://doi.org/10.1016/j.jvolgeores.2012.02.011
- Cardenas, M. B., Lagmay, Alfredo Mahar F., Andrews, Benjamin J., Rodolfo, Raymond S., Cabria, Hillel B., Zamora, Peter B., and Lapus, Mark R. 2012. "Terrestrial smokers: Thermal springs due to hydrothermal convection of groundwater connected to surface water." Geophysical Research Letters 39:https://doi.org/10.1029/2011GL050475
- Andrews, Benjamin J. and Manga, Michael. 2011. "Effects of topography on pyroclastic density current runout and formation of coignimbrites." Geology 39 (12):1099–1102. https://doi.org/10.1130/G32226.1
Chapter
- Siebert, Lee, Cottrell, Elizabeth, Venzke, Edward A., and Andrews, Benjamin J. 2015. "Earth's Volcanoes and Their Eruptions: An Overview." in The Encyclopedia of Volcanoes, edited by Sigurdsson, Haraldur., 2nd ed. 239–255. Amsterdam: Academic Press.