NEWS (12/28/2016): I've recently learned that I will have the honor of receiving the 2017 Early Career Award from GSA's Mineralogy Geochemistry Petrology Volcanology division (MGPV). Thanks to Mike Garcia for the nomination and to the MGPV committee and Wendy Bohrson for the surprise announcement.

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Publications

Peer-reviewed journal articles (by chronological order or by topic further below)


By chronological order (newest to oldest):

[22] Lynn, K.J, Garcia M.O., Shea, T., Costa, F., Swanson D.A., 2017. Timescales of mixing and storage for Keanakako'i Tephra magmas (1500-1820 C.E.), Kilauea Volcano, Hawai'i, Contributions to Mineralogy and Petrology, 172:76.

[21] Shea, T., 2017.
Bubble nucleation in magmas: a dominantly heterogeneous process?, Journal of Volcanology and Geothermal Research, 343:155-170. download pdf supplementary material

[20] Shea, T.,
Leonhardi, T.C., Giachetti, T., Lindoo, A., Larsen, J.F., Sinton, J.H., Parsons, E., 2017. Dynamics of an unusual cone-building trachyte eruption at Pu‘u Wa‘awa‘a, Hualālai volcano, Hawai‘i, Bulletin of Volcanology, 79:26. download pdf supplementary material pdf

[19] Colombier, M., Gurioli, L., Druitt, T.H., Shea, T., Boivin, P., Miallier, D., Cluzel, N.,2017. Textural evolution of magma during the 9.4-ka trachytic explosive eruption at Kilian Volcano, Chaine des Puys, France, Bulletin of Volcanology, 79:17.

[18] Lynn, K.J, Shea, T., Garcia M.O.,2017. Nickel variability in Hawaiian olivine: Evaluating the relative contributions from mantle and crustal processes, American Mineralogist, 102:507-518. download pdf
supplementary material pdf

[17] Graham, D.W, Michael P.J., Shea, T., 2016. Extreme incompatibility of helium during mantle melting: evidence from undegassed mid-ocean ridge basalts, Earth and Planetary Science Letters, 454, 192-202. download pdf

[16] Shea, T., Owen, J., 2016. Discovery of a trachyte ignimbrite sequence at Hualalai, Hawaii, Bulletin of Volcanology, 78, 34. download pdf

[15] Shea, T., Lynn, K.J., Garcia, M.O., 2015.Cracking the olivine zoning code: Distinguishing between crystal growth and diffusion, Geology, 43:935-938. download pdf supplementary files

[14] Shea, T., Costa, F., Krimer, D., Hammer, J.E., 2015. Accuracy of timescales retrieved from diffusion modeling in olivine: a 3D perspective, American Mineralogist, 100, 2026-2042. download pdf supplementary files

[13] Giachetti, T., Gonnermann, H, Gardner, J., Shea, T., Gouldstone, A., 2015. Discriminating secondary from magmatic water in rhyolitic matrix-glass of volcanic pyroclasts using thermogravimetric analysis, Geochimica and Cosmochimica Acta, 148, 457-476.

[12] Shea, T., Hellebrand, E., Gurioli, L., Tuffen, H., 2014. Conduit- to localized-scale degassing during Plinian eruptions: insights from major element and volatile (Cl and H2O) analyses within AD79 Vesuvius pumices, Journal of Petrology, 55, 315-344. download pdf

[11] Shea, T., Hammer, J.E., 2013. Oxidation in CSPV experiments involving H2O-bearing mafic magmas: quantification and mitigation, American Mineralogist, 98, 1285-1296. download pdf

[10] Shea, T., Hammer, J.E., 2013. Kinetics of decompression and cooling-induced crystallization of mafic-intermediate hydrous magmas, Journal of Volcanology and Geothermal Research, 260, 127-145. download pdf

[9] Shea, T., Hammer, J.E., First, E., 2013. Pumice balloons or bombs? Nature Geoscience (Correspondence), 6, 802-803. download pdf

[8] Shea, T., Gurioli, L., Houghton, B.F., 2012. Transitions between fall phases and pyroclastic density currents during the AD 79 eruption at Vesuvius: building a transient conduit model from the textural and volatile record. Bulletin of Volcanology. 74, 2363-2381. download pdf

[7] Shea, T., Gurioli, L., Houghton, B.F., Cioni, R., Cashman, K.V., 2011. Column collapse and generation of pyroclastic density currents during the A.D. 79 eruption of Vesuvius: The role of pyroclast density, Geology, 39, 695-698. download pdf

[6] Shea, T., Houghton, B.F., Gurioli, L., Cashman, K.V., Hammer, J.E., Hobden, B.V., 2010a. Textural analyses of vesicles in volcanic rocks: an integrated methodology. Journal of Volcanology and Geothermal Research. 190, p. 271-289. download pdf

[5] Shea, T., Gurioli, L., Larsen, J., Houghton, B.F., Hammer, J.E., Cashman, K.V., 2010b. Linking experimental and natural vesicle textures in Vesuvius 79AD white pumice, Journal of Volcanology and Geothermal Research, 192, 69-84. download pdf

[4] Shea, T., van Wyk de Vries, B., 2010. Collapsing volcanoes: the sleeping giants' threat. Geology Today, 26, 2, 72-77. download pdf

[3] Shea, T., Larsen, J., Gurioli, L., Hammer, J.E., Houghton, B.F., Cioni, R., 2009. Leucite crystals: Surviving witnesses of magmatic processes preceding the 79AD eruption at Vesuvius, Italy, Earth Planetary Science Letters, 281, 88-98. download pdf

[2] Shea, T., van Wyk de Vries, B., Pilato, M., 2008. Emplacement mechanisms of contrasting debris avalanches at Volcan Mombacho (Nicaragua), provided by structural and facies analysis. Bulletin of Volcanology, 70, 899-921. download pdf

[1] Shea, T., van Wyk de Vries, B., 2008. Structural analysis and analogue modeling of the kinematics and dynamics of rockslide avalanches. Geosphere, 4, 657-686. download pdf




By topic:


A. Magma crystallization and diffusion in minerals

- Shea, T., Lynn, K.J., Garcia, M.O., 2015.Cracking the olivine zoning code: Distinguishing between crystal growth and diffusion, Geology, 43:935-938,
click here for pdf download.


- Shea, T., Costa, F., Krimer, D., Hammer, J.E., 2015. Accuracy of timescales retrieved from diffusion modeling in olivine: a 3D perspective, American Mineralogist, 100, 2026-2042.

- Shea, T., Hammer, J.E., 2013b. Oxidation in CSPV experiments involving H2O-bearing mafic magmas: quantification and mitigation, American Mineralogist, 98, 1285-1296.

- Shea, T., Hammer, J.E., 2013a. Kinetics of decompression and cooling-induced crystallization of mafic-intermediate hydrous magmas, Journal of Volcanology and Geothermal Research, 260, 127-145.

- Shea, T., Larsen, J., Gurioli, L., Hammer, J.E., Houghton, B.F., Cioni, R., 2009. Leucite crystals: Surviving witnesses of magmatic processes preceding the 79AD eruption at Vesuvius, Italy, Earth Planetary Science Letters, 281, 88-98.


B. Textural analysis

- Shea, T.
, Gurioli, L., Houghton, B.F., 2013. Pumice balloons or bombs? Nature Geoscience (Correspondence), 6, 802-803.

- Shea, T., Gurioli, L., Houghton, B.F., 2012. Transitions between fall phases and pyroclastic density currents during the AD 79 eruption at Vesuvius: building a transient conduit model from the textural and volatile record. Bulletin of Volcanology. 74, 2363-2381.

- Shea, T., Houghton, B.F., Gurioli, L., Cashman, K.V., Hammer, J.E., Hobden, B.V., 2010a. Textural analyses of vesicles in volcanic rocks: an integrated methodology. Journal of Volcanology and Geothermal Research. 190, p. 271-289.


C. Magma degassing

- Giachetti, T., Gonnermann, H, Gardner, J., Shea, T., Gouldstone, A., 2015. Discriminating secondary from magmatic water in rhyolitic matrix-glass of volcanic pyroclasts using thermogravimetric analysis, Geochimica and Cosmochimica Acta, 148, 457-476.

- Shea, T., Hellebrand, E., Gurioli, L., Tuffen, H., 2014. Conduit- to localized-scale degassing during Plinian eruptions: insights from major element and volatile (Cl and H2O) analyses within AD79 Vesuvius pumices, Journal of Petrology, 55, 315-344.

- Shea, T., Gurioli, L., Larsen, J., Houghton, B.F., Hammer, J.E., Cashman, K.V., 2010b. Linking experimental and natural vesicle textures in Vesuvius 79AD white pumice, Journal of Volcanology and Geothermal Research, 192, 69-84.


D. Pyroclastic density currents

- Shea, T., Owen, J., 2016. Discovery of a trachyte ignimbrite sequence at Hualalai, Hawaii, Bulletin of Volcanology, 78, 34.

- Shea, T.
, Gurioli, L., Houghton, B.F., Cioni, R., Cashman, K.V., 2011. Column collapse and generation of pyroclastic density currents during the A.D. 79 eruption of Vesuvius: The role of pyroclast density, Geology, 39, 695-698.


E. Volcanic flank collapses

- Shea, T., van Wyk de Vries, B., Pilato, M., 2008. Emplacement mechanisms of contrasting debris avalanches at Volcan Mombacho (Nicaragua), provided by structural and facies analysis. Bulletin of Volcanology, 70, 899-921.

- Shea, T., van Wyk de Vries, B., 2008. Structural analysis and analogue modeling of the kinematics and dynamics of rockslide avalanches. Geosphere, 4, 657-686.

- Shea, T., van Wyk de Vries, B., 2010. Collapsing volcanoes: the sleeping giants' threat. Geology Today, 26, 2, 72-77.



Dissemination of research

Earth Magazine September 2011 Issue, vol. 56, no. 9. Ash from Vesuvius still revealing secrets, interview by Mary Morton.