Chad Deering

Contact

cddeerin@mtu.edu
906-487-1187
Dow 601

Associate Professor, Geological and Mining Engineering and Sciences

Ph.D., Igneous Petrology and Geochemistry, University of Canterbury, New Zealand, Christchurch

Biography

Chad Deering is an Associate Professor in the Department of Geological and Mining Engineering and Sciences at Michigan Technological University. His research focuses on igneous petrology, volcanology, and geochemistry, with an emphasis on understanding the structure, evolution, and dynamics of transcrustal magmatic systems. He integrates field geology, mineral chemistry, thermodynamic modeling, geochronology, and geochemical data analysis to investigate how magmas are generated, stored, and modified through space and time.

A central theme of Dr. Deering’s work is the linkage between magmatic processes, volatile behavior, and the formation of mineral and geothermal resources. His research spans continental arc and rift systems worldwide and has been supported by NSF, NASA, USGS, and international industry partners. He has published extensively in leading journals, including Science, Nature Geoscience, Earth and Planetary Science Letters, and Geology, and currently serves on the editorial board of Minerals.

Dr. Deering is deeply committed to geoscience education and mentoring. He teaches undergraduate and graduate courses in petrology, mineral science, geochemistry, and magma reservoir dynamics, and actively supervises student research that bridges fundamental Earth processes with emerging data-driven and AI-enabled approaches to geoscience problems.

Links of Interest

Research Page

Specialties

Source to surface transport of magmatic volatiles and fluid evolution in geothermal systems
Evolution of the upper continental crust: generation and maintenance of large, silicic magma reservoirs
Magma reservoir dynamics by quantifying textural fabrics and intracrystalline deformation formed during hindered settling and compaction
Relationship between resurgent plutons and large, silicic ignimbrites in exhumed caldera-forming eruptive sequences
Excess or cryptic degassing in volcanic systems
Quantification of CO2 from diffuse degassing at large, caldera-forming volcanoes

Recent Publications

Paulsen, T., Deering, C., Sliwinski, J., Chatterjee, S., Bachmann, O. (2022) Continental magmatism and uplift as the primary driver for first-order oceanic 87Sr/86Sr variability with implications for global climate and atmospheric oxygenation. GSA Today, 32(2), 4-10.
Svoboda, C., Rooney, T.O., Girard, G., Deering, C. (2022) Incipient Hot Zones: Evidence from Andesites of the Southern Taupo Volcanic Zone. Journal of the Geological Society, 179 (1).
Wang, X., Deering, C.D., Liu, Zhenghong, L., Bachmann, O., Guillong, M. (2021) Provenance and tectonic implications of the Carboniferous sediments in the Bainaimiao arc belt, northern margin of the North China Craton: evidence from detrital zircon U-Pb-Hf isotopes and trace elements. International Journal of Earth Sciences, 110(1), 331-351.
T Paulsen, C Deering, J Sliwinski, S Chatterjee, O Bachmann, M Guillong (2020) Crustal thickness, rift‐drift and potential links to key global events. Terra Nova
TO Garden, I Chambefort, DM Gravley, CD Deering, BM Kennedy (2020) Reconstruction of the fossil hydrothermal system at Lake City caldera, Colorado, USA: Constraints for caldera-hosted geothermal systems. Journal of Volcanology and Geothermal Research, 393, 106794.
Xingan Wang, Chad Deering, Zhenghong Liu, Xiaojie Dong, Shichao Li, Zhongyuan Xu (2020) Petrogenesis and tectonic regime of two types of Neoarchaean amphibolites in the northern margin of the North China Craton. International Geology Review, 1-24.
Lubbers, J.*, Deering, C., Bachmann, O. (2020) Genesis of rhyolitic melts in the upper crust: fractionation and remobilization of an intermediate cumulate at Lake City caldera, Colorado, USA. Journal of Volcanology and Geothermal Research. 392, 106750.
Barbee, O.*, Chesner, C., Deering, C. (2020) Quartz in Toba rhyolites show textures symptomatic of rapid crystallization. American Mineralogist
Chatterjee, S., Deering C., Waite, G.P., Prandi, C.*, Lin, P.* (2019) An adaptive sampling strategy developed for studies of diffuse volcanic soil gas emissions. Journal of Volcanology and Geothermal Research, 381, 246-261.
Gualda, G., Gravley, D.M., Deering, C.D., Ghiorso, M.S. (2019) Magma extraction pressures and the architecture of volcanic plumbing systems. Earth and Planetary Science Letters, 522, 118-124.
P. Lin*, C.D Deering, C. Werner, C. Torres (2019). Origin and quantification of diffuse CO2 and H2S emissions at Crater Hills, Yellowstone National Park. Journal of Volcanology and Geothermal Research, 377, 117-130.
Guilherme A. R. Gualda, Darren M. Gravley, Michelle Connor, Brooke Hollmann, Ayla S. Pamukcu, Florence Bégué, Mark S. Ghiorso, Chad D. Deering (2018). Climbing the crustal ladder: Magma storage-depth evolution during a volcanic flare-up. Science Advances, 4, no. 10, eaap7567.
Panter, K., Castillo, P., *Krans, S., Deering, C., McIntosh, W., Valley, J., Kitajima, K., Kyle, P., Hart, S., Blusztajn, J. (2018). Melt origin across a rifted continental margin: a case for subduction-related metasomatic agents in the lithospheric source of alkaline basalt, northwest Ross Sea, Antarctica. Journal of Petrology, 59, 3, 517-558.
Shan-Shan Li, S. Keerthy, M. Santosh, S.P. Singh, C. Deering, M. Satyanarayanan, M.N. Praveen, V. Aneeshkumar, G.K. Indu, K.S., Sajinkumar (2018). Anatomy of impactites and shocked zircon grains from Dhala reveals Paleoproterozoic meteorite impact in the Archean basement rocks of Central India. Gondwana Research, 54, 81-101.
Paulsen, T., Deering, C.D., Sliwinski, J., Bachmann, O. (2017). Evidence for a spike in mantle carbon outgassing during the Ediacaran period. Nature Geoscience, 10, 930-934.
Kari M. Cooper, Christy B. Till, Adam J. R. Kent, Fidel Costa, Allison E. Rubin, Darren Gravley, Chad Deering, Jim Cole, Maitrayee Bose (2017). Response to Comment on “Rapid cooling and cold storage in a silicic magma reservoir recorded in individual crystals”. Science, 358, 6370, eaap9145.
*Allison E. Rubin, Kari M. Cooper, Christy B. Till, Adam J. R. Kent, Fidel Costa, Maitrayee Bose, Darren Gravley, Chad Deering, Jim Cole (2017). Rapid cooling and cold storage in a silicic magma reservoir. Science, 356, 6343, 1154-1156.
*Fiedrich, A., Bachmann, O., Ulmer, P., Deering, C.D., Kunze, K. (2017). Mineralogical and textural indicators of crystal accumulation in the Adamello Batholith (Northern Italy). American Mineralogist, 102 (12), 2467-2483.
Timothy Paulsen, Chad Deering, Jakub Sliwinski, Victor Valencia, Olivier Bachmann, and Marcel Guillong (2017). Detrital zircon ages and trace element compositions of Permian– Triassic foreland basin strata of the Gondwanide orogen, Antarctica. Geosphere, 13 (6), 2085-2093.
Timothy Paulsen, Chad Deering, Jakub Sliwinski, Olivier Bachmann, Marcel Guillong (2017). New detrital zircon age and trace element evidence for 1450 Ma igneous zircon sources in East Antarctica. Precambrian Research, 300, 53-58.
*Garden, T.O., Gravley, D., Kennedy, B., Deering, C., Chambefort, I. (2017). Controls on hydrothermal fluid flow in caldera-hosted settings: New insights from Lake City caldera, U.S.A. Geosphere, 13 (6), 1993-2016.
*Sliwinski, J.T., Bachmann, O., Dungan, M.A., Huber, C., Deering, C.D., Lipman, P.W., Martin, L.H.J., Liebske, C. (2017). Rapid pre-eruptive thermal rejuvenation in a large silicic magma body: the case of the Masonic Park Tuff, Southern Rocky Mountain volcanic field, CO, USA. Contributions to Mineralogy and Petrology, 172: 30, https://doi.org/10.1007/s00410-017-1351-3.
Paulsen, T., Deering, C.D., Sliwinski, J., Bachmann, O. (2017). New detrital zircon age and trace element evidence for 1450 Ma igneous zircon sources in East Antarctica. Precambrian Research Note, 300, 53-58.
Paulsen, T., Deering, C.D., Sliwinski, J., Bachmann, O., Guillong, M., Valencia, V. (2017). Detrital zircon ages and trace element compositions of Permian-Triassic foreland basin strata of the Gondwanide orogeny, Antarctica. Geosphere, 13 (6), 2085-2093.
Florence Bégué, Chad D. Deering, Darren M. Gravley, Isabelle Chambefort. Ben M. Kennedy (2017). From source to surface: tracking magmatic boron and chlorine input into the geothermal systems of the Taupo Volcanic Zone, New Zealand. Journal of Volcanology and Geothermal Research, 346, 141-150.
Gravley, D.M., Deering, C.D., Leonard, G.S., Rowland, J.V., 2016. Ignimbrite flare-ups and their drivers: A New Zealand perspective. Earth-Science Reviews, 162, 65-82.
Paulsen, T.S., Deering, C.D., Sliwinski, J., Bachmann, O., Guillong, M., 2016. A continental arc tempo discovered in the Pacific-Gondwana margin mudpile? Geology, 44, 915-918.
Paulsen, T.S., Deering, C., Sliwinski, J., Bachmann, O., Guillong, M., 2016. Detrital zircon ages from the Ross Supergroup, north Victoria Land, Antarctica: Implications for the tectonostratigraphic evolution of the Pacific-Gondwana margin. Gondwana Research, 35, 79-96.
Deering, C., Keller, B., Schoene, B., Bachmann, O., Beane, R., Ovtcharova, M., 2016. Zircon record of the plutonic-volcanic connection and protracted rhyolite melt evolution. Geology, 44, 267-270.
*Rubin, A., Cooper, K.M., Leever, M., Wimpenny, J., Deering, C., Rooney, T., Gravley, D., Yin, Q., 2016. Changes in magma storage conditions following caldera collapse at Okataina Volcanic Center, New Zealand. Contributions to Mineralogy and Petrology, 171, 1-18.
Kennedy, B., Stix, J., Hon, K., Deering, C., *Gelman, S., 2015. Magma storage, differentiation and interaction at Lake City caldera, Colorado, USA. The Geological Society of America Bulletin, B31305.
*Graeter, K.A., Beane, R.J., Deering, C.D., Gravley, D., Bachmann, O., 2015. Formation of rhyolite at the Okataina Volcanic Complex, New Zealand: New insights from analysis of quartz clusters in plutonic lithics. American Mineralogist. Special Collection: Perspectives on origins and evolution of crustal magmas, 100, 1778-1789.
*Bégué, F., Gravley, D., Chambefort, I., Deering, C., Kennedy, B. 2015. Magmatic volatile distribution as recorded by rhyolitic melt inclusions in the Taupo Volcanic Zone, New Zealand. Geological Society of London - Special Publication, 410, SP410.
*Florence Bégué, Guilherme A. R. Gualda, Mark S. Ghiorso, *Ayla S. Pamukcu, Ben M. Kennedy, Darren M. Gravley, Chad D. Deering & Isabelle Chambefort 2014. Phase-equilibrium geobarometers for silicic rocks based on rhyolite-MELTS. Part 2: Application to Taupo Volcanic Zone rhyolites. Contributions to Mineralogy and Petrology, 168 (5), 1-16.
*Sarah E. Gelman, Chad D. Deering, Olivier Bachmann, Christian Huber, and Francisco J. Gutiérrez, 2014. Identifying the crystal graveyards remaining after large silicic eruptions. Earth and Planetary Science Letters, 403, 299-306.
Bachmann, O., Deering, C.D., Lipman, P.W., *Plummer, C. 2014. Building zoned ignimbrites in recycling silicic cumulates: Insight from the 1000km3 Carpenter Ridge Tuff, CO. Contributions to Mineralogy and Petrology, 167 (6), 1-13.
*Bégué, F., Deering, C.D., Gravley, D.M., Kennedy, B.M., Chambefort, I., Gualda, G.A., Bachmann, O. 2014. Extraction, storage and eruption of multiple isolated magma batches in the paired Mamaku and Ohakuri eruption, Taupo Volcanic Zone, New Zealand. Journal of Petrology, 55 (8), 1653-1684.
Cole, J.W., Deering, C.D., Burt, R.M., Sewell, S., Shane, P.A.R., Matthews, N.E. 2014. Okataina Volcanic Centre, Taupo Volcanic Zone, New Zealand: a review of volcanism and synchronous pluton development in an active, dominantly silicic caldera system. Earth Science Reviews, 128, 1-17.
Rooney, T.O. and Deering, C.D. 2014. Conditions of melt generation beneath the Taupo Volcanic Zone: The influence of heterogeneous mantle inputs on large volume silicic systems. Geology, 42 (1), 3-6.
*Gelman, S.E., Deering, C.D., Gutierrez, F.J., Bachmann, O. 2013. Evolution of the Taupo volcanic center, New Zealand: Petrological and thermal constraints from the Omega Dacite. Contributions to Mineralogy and Petrology, 166, 1355-1374.
Deering, C.D., Horton, T.W., Gravley, D.M., Cole, J.W. 2012. Hornblende, cummingtonite, and biotite hydrogen isotopes: direct evidence of slab-derived fluid flux in silicic magmas of the Taupo Volcanic Zone, New Zealand. Journal of Volcanology and Geothermal Research, 233-234, 27-36.
Turnbull, R.E., Deering, C.D., Tulloch, A.J., Weaver, S.D. 2012. Second boiling affects on Al-content of hornblende rims from exhumed Cretaceous arc plutons, Stewart Island, New Zealand. American Mineralogist 97, 1129-1144.
Deering, C.D., Vogel, T.A., Patino, L.C., Szymanski, D.W., Alvarado, G.E. 2012. Magmatic processes that generate chemically distinct silicic magmas in NW Costa Rica and the evolution of continental crust in oceanic arcs. Contributions to Mineralogy and Petrology, 163, 259-275.
Deering, C.D., Bachmann, O., Vogel, T.A. 2011. The Ammonia Tanks Tuff: Erupting a melt-rich rhyolite cap and its remobilized crystal cumulate. Earth and Planetary Science Letters 310, 518-525.
Deering, C.D., Bachmann, O., Dufek, J., Gravley, D. 2011. Rift-Related Transition From Andesite to Rhyolite Volcanism in the Taupo Volcanic Zone (New Zealand) Controlled by Crystal-Melt Dynamics in Mush Zones With Variable Mineral Assemblages. Journal of Petrology 52, 2243-2263.
Bachmann, O., Deering, C.D., Ruprecht, J., Huber, C., Skopelittis, A., Schnyder, C. 2012. Evolution of silicic magmas in the Kos-Nisyros volcanic center: cycles associated with caldera collapse. Contributions to Mineralogy and Petrology 163, 151-166.
Klemetti, E., Deering, C.D., Cooper, K.M., Roeske, S.M. 2011. Magmatic perturbations in the Okataina Caldera Complex in the 103-105 year timescales recorded in single zircon crystals from the Mt. Tarawera region, New Zealand. Earth and Planetary Science Letters, 305 185-194.
Deering, C.D. and Bachmann, O. 2010. Trace element indicators of crystal accumulation in silicic rocks. Earth and Planetary Science Letters 297, 324-331.
Rooney, T., Sinha, A.K., Deering, C.D., Briggs, C. 2010. A Model for the Origin of Rhyolites from South Mountain, PA: Implications for Rhyolites Associated with LIPS. Lithosphere 2, 211-220.
Deering, C.D., Vogel, T.A., Cole, J.W., 2010. Extraction of crystal-poor rhyolite from a hornblende-bearing intermediate mush: a case study of the caldera-forming Matahina eruption, Okataina Volcanic Complex. Contributions to Mineralogy and Petrology 161, 129-151.
Deering, C.D., Gravley, D.M., Vogel, T.A., Cole, J.W., Leonard, G.S., 2010. Origins of cold-wet-oxidizing to hot-dry-reducing magmatic cycles and distribution in the Taupo Volcanic Zone, New Zealand. Contributions to Mineralogy and Petrology 160, 609-629.
Cole, J.W., Spinks, K.D, Deering, C.D., Nairn, I.A., Leonard, G.S., 2010. Volcanic and Structural Evolution of the Okataina Volcanic Centre, extensive dominantly silicic volcanism associated with the Taupo Rift, New Zealand. Journal of Volcanology and Geothermal Research 190, 123-135.
Deering, C.D., 2009. Cannibalization of an amphibole-rich andesitic progenitor induced by caldera-collapse during the Matahina eruption: Evidence from amphibole compositions. American Mineralogist 94, 1162-1174.
Deering, C.D., Cole, J.W., Vogel, T.A., 2008. A Rhyolite Compositional Continuum Governed by Lower Crustal Source Conditions in the Taupo Volcanic Zone, New Zealand. Journal of Petrology 49, 2245-2276.
Deering, C.D., Vogel, T.A., Patino, L.C., Alvarado, G.E., 2007. Origin of distinct silicic magma types from the Guachipelín Caldera, NW Costa Rica: Evidence for magma mixing and protracted subvolcanic residence. Journal of Volcanology and Geothermal Research 165, 103-126.