Publications

Articles in refereed journals

(50) Pitcher BW, Gualda GAR, Hasegawa T (2020) Repetitive duality of rhyolite compositions, timescales, and storage and extraction conditions for Pleistocene caldera-forming eruptions, Hokkaido, Japan. Journal of Petrology, in press [DOI:10.1093/petrology/egaa106]
(49) *Foley ML, Miller CF, Gualda GAR (2020) Architecture of a super-sized magma chamber and remobilization of its basal cumulate (Peach Spring Tuff, USA). Journal of Petrology [DOI:10.1093/petrology/egaa020]
(48) Pamukcu AS, §Wright KA, Gualda GAR, Gravley DM (2020) Magma residence and eruption at the Taupo Volcanic Center (Taupo Volcanic Zone, New Zealand): Insights from rhyolite-MELTS geobarometry, diffusion chronometry, and crystal textures. Contributions to Mineralogy & Petrology, 175: 48 [DOI:10.1007/s00410-020-01684-2]
(47) Pearce NJG, Westgate JA, Gualda GAR, Gatti E, Muhammad RF (2020) Tephra glass chemistry provides storage and discharge details of five magma reservoirs which fed the 75 ka Youngest Toba Tuff eruption, northern Sumatra. Journal of Quaternary Science, 35:256-271 [DOI:10.1002/jqs.3149]
(46) Gualda GAR (2019) On the origin of feldspar megacrysts: The case against textural coarsening. Contributions to Mineralogy & Petrology, 174: 88 [DOI:10.1007/s00410-019-1621-3]
(45) Gualda GAR, Gravley DM, Deering CD, Ghiorso MS (2019) Magma extraction pressures and the architecture of volcanic plumbing systems. Earth & Planetary Science Letters, 522: 118-124 [DOI:10.1016/j.epsl.2019.06.020]
(44) Gualda GAR, Bégué F, Pamukcu AS, Ghiorso MS (2019) Rhyolite-MELTS vs. DERP – Newer Does Not Make it Better: a Comment on “The Effect of Anorthite Content and Water on Quartz–Feldspar Cotectic Compositions in the Rhyolitic System and Implications for Geobarometry” by Wilke et al. (2017; Journal of Petrology, 58, No. 4, 789–818). Journal of Petrology, 60: 855-864 [DOI:10.1093/petrology/egz003]
(43) Gualda GAR, Gravley DM, §Connor MR, §Hollmann BE, Pamukcu AS, Bégué F, Ghiorso MS, Deering CD (2018) Climbing the crustal ladder: Magma storage-depth evolution during a volcanic flare-up. Science Advances, in press
(42) *Luchetti ACF, Gravley DM, Gualda GAR, Nardy AJR (2018) Textural evidence for high-grade ignimbrites formed by low-explosivity eruptions, Paraná Magmatic Province, southern Brazil. Journal of Volcanology and Geothermal Research, 355: 87-97 [DOI:10.1016/j.jvolgeores.2017.04.012]
(41) *Harmon LJ, Cowlyn J, Gualda GAR, Ghiorso MS (2018) Phase-equilibrium geobarometers for silicic rocks based on rhyolite-MELTS. Part 4: Plagioclase, orthopyroxene, clinopyroxene, glass geobarometer, and application to Mt. Ruapehu, New Zealand. Contributions to Mineralogy and Petrology, 173: 7 [DOI:10.1007/s00410-017-1428-z]
(40) *Tramontano S, Gualda GAR, Ghiorso MS (2017) Internal triggering of volcanic eruptions: tracking overpressure regimes for giant magma bodies. Earth & Planetary Science Letters, 472: 142-151 [DOI:10.1016/j.epsl.2017.05.014]
(39) Pamukcu AS, Ghiorso MS, Gualda GAR (2016) High-Ti, bright-CL rims in volcanic quartz: A result of very rapid growth. Contributions to Mineralogy and Petrology, 171:105 [DOI:10.1007/s00410-016-1317-x]
(38) *Padilla AJ & Gualda GAR (2016) Crystal-melt elemental partitioning in silicic magmatic systems: An example from the Peach Spring Tuff high-silica rhyolite, S. Nevada. Chemical Geology, 440: 326-344 [DOI:10.1016/j.chemgeo.2016.07.004]
(37) Gualda GAR & Sutton SR (2016) The year leading to a supereruption. PLoS ONE, 11: e0159200 [DOI:10.1371/journal.pone.0159200]
(36) *Pamukcu AS, Gualda GAR, *Bégué F, Gravley DM (2015) Melt inclusion shapes: Timekeepers of short-lived giant magma bodies. Geology, 43: 947-950 [DOI:10.1130/G37021.1]
(35) Ghiorso MS & Gualda GAR (2015) An H2O-CO2 mixed fluid solubility model compatible with rhyolite-MELTS. Contributions to Mineralogy and Petrology, 169: 53 [DOI:10.1007/s00410-015-1141-8]
(34) Ghiorso MS & Gualda GAR (2015) An H2O-CO2 mixed fluid solubility model compatible with rhyolite-MELTS. Contributions to Mineralogy and Petrology, 169: 53 [DOI:10.1007/s00410-015-1141-8]
(33) *Pamukcu AS, Gualda GAR, Ghiorso MS, Miller CF (2015) Phase-equilibrium geobarometers for silicic rocks based on rhyolite-MELTS. Part 3: Application to the Peach Spring Tuff (Arizona-California-Nevada, USA). Contributions to Mineralogy and Petrology, 169: 33 [DOI:10.1007/s00410-015-1122-y]
(32) Gualda GAR & Ghiorso MS (2015) MELTS_Excel: A Microsoft Excel-based MELTS interface for research and teaching of magma properties and evolution. Geochemistry, Geophysics, Geosystems, 16: 315-324 [DOI:10.1002/2014GC005545]
(31) Bégué F, *Pamukcu AS, Gualda GAR, Ghiorso MS, Gravley DM, Deering CD (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: 1082 [DOI:10.1007/s00410-014-1082-7]
(30) Gardner JE, Befus KS, Gualda GAR, Ghiorso MS (2014) Experimental constraints on rhyolite-MELTS and the Bishop Tuff magma body. Contributions to Mineralogy and Petrology, 168: 1051 [DOI:10.1007/s00410-014-1051-1]
(29) Gualda GAR & Ghiorso MS (2014) Phase-equilibrium geobarometers for silicic rocks based on rhyolite-MELTS. Part 1: Principles, procedures, and evaluation of the method. Contributions to Mineralogy and Petrology, 168: 1033 [DOI:10.1007/s00410-014-1033-3]
(28) Bégué F, Deering CD, Gravley DM, Kennedy BM, Chambefort I, Gualda GAR, 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: 1653-1684 [DOI:10.1093/petrology/egu038]
(27) *Pamukcu AS, Gualda GAR, Rivers ML (2013) Quantitative 3D petrography using x-ray tomography 4: Assessing glass inclusion textures with propagation phase-contrast tomography. Geosphere, 9: 1704-1713 [DOI:10.1130/GES00915.1]
(26) Gualda GAR & Ghiorso MS (2013) The Bishop Tuff giant magma body: An alternative to the Standard Model. Contributions to Mineralogy and Petrology, 166: 755-775 [DOI:10.1007/s00410-013-0901-6]
(25) Gualda GAR & Ghiorso MS (2013) Low pressure origin of high-silica rhyolites. Journal of Geology, 121: 537-545 [DOI:10.1086/671395]
(24) *Walker BJ, Miller MF, Bowser SS, Furbish DJ, Gualda GAR (2013) Dissolution of ophiuroid ossicles on the shallow Antarctic shelf: Implications for the fossil record. PALAIOS, 28: 317-332  [DOI:10.2110/palo.2012.p12-100r]
(23) *Pamukcu AS, *Carley TL, Gualda GAR, Miller CF, Ferguson CA (2013) The evolution of the Peach Spring giant magma body: Evidence from accessory mineral textures and compositions, bulk pumice and glass geochemistry, and rhyolite-MELTS modeling. Journal of Petrology, 54: 1109-1148 [DOI:10.1093/petrology/egt007]
(22) Ghiorso MS & Gualda GAR (2013) A method for estimating the activity of titania in magmatic liquids from the compositions of coexisting rhombohedral and cubic iron-titanium oxides. Contributions to Mineralogy and Petrology, 165: 73-81 [DOI:10.1007/s00410-012-0792-y]
(21) Baker DR, Mancini L, Polacci M, Higgins MD, Gualda GAR, Hill RJ, Rivers ML (2012) An introduction to the application of x-ray microtomography to the three-dimensional study of igneous rocks. Lithos, 148: 262-276  [DOI:10.1016/j.lithos.2012.06.008]
(20) Gualda GAR, *Pamukcu AS, Anderson AT Jr., Ghiorso MS, Sutton SR, Rivers ML (2012) Timescales of quartz crystallization and the longevity of the Bishop giant magma body. PLoS ONE, 7: e37492 [DOI:10.1371/journal.pone.0037492]
(19) Gualda GAR, Ghiorso MS, *Lemons RV, *Carley TL (2012) Rhyolite-MELTS: A modified calibration of MELTS optimized for silica-rich, fluid-bearing magmatic systems. Journal of Petrology, 53: 875-890 [DOI:10.1093/petrology/egr080]
(18) *Pamukcu AS, Gualda GAR, Anderson AT Jr. (2012) Crystallization stages of the Bishop Tuff magma body recorded in crystal textures. Journal of Petrology, 53: 589-609 [DOI:10.1093/petrology/egr072]
(17) *Colombini LL, Miller CF, Gualda GAR, Wooden JL, Miller JS (2011) Sphene and zircon in the Highland Range volcanic sequence (Miocene, southern Nevada, USA): Elemental partitioning, phase relations, and influence on evolution of silicic magma. Mineralogy & Petrology, 102: 29-50 [DOI:10.1007/s00710-011-0177-3]
(16) Vlach SRF, Siga Jr O, Harara OM, Gualda GAR, Basei MAS, Vilalva FCJ (2011) Crystallization ages of the A-type magmatism of the Graciosa Province (Southern Brazil): Constraints from zircon U-Pb (ID-TIMS) dating of coeval K-rich gabbro-dioritic rocks. Journal of South American Earth Sciences, 32: 407-415 [DOI:10.1016/j.jsames.2011.03.017]
(15) Gualda GAR & Ghiorso MS (2011) Comment on ‘A metamodel for crustal magmatism: Phase equilibria of giant ignimbrites’ by S. J. Fowler and F. J. Spera. Journal of Petrology, 52: 431-434 [DOI:10.1093/petrology/egq097]
(14) Gualda GAR, *Pamukcu AS, *Claiborne LL, Rivers ML (2010) Quantitative 3D petrography using x-ray tomography. 3: Documenting accessory phases with differential absorption tomography. Geosphere, 6: 782-792 [DOI:10.1130/GES00568.1]
(13) *Pamukcu AS & Gualda GAR (2010) Quantitative 3D petrography using x-ray tomography. 2: Combining information from various resolutions. Geosphere, 6: 775-781 [DOI:10.1130/GES00565.1]
(12) Gualda GAR, Baker DR, Polacci M (2010) Introduction: Advances in 3D imaging and analysis of geomaterials. Geosphere, 6: 468-469 [DOI:10.1130/GES00639.1]
(11) Gualda GAR & Ghiorso MS (2007) Magnetite scavenging and the buoyancy of bubbles in magmas. Part 2: Energetics of crystal-bubble attachment in magmas. Contributions to Mineralogy and Petrology, 154: 479-490 [DOI:10.1007/s00410-007-0206-8]
(10) Gualda GAR & Anderson AT Jr. (2007) Magnetite scavenging and the buoyancy of bubbles in magmas. Part 1: Discovery of a pre-eruptive bubble in early-erupted Bishop rhyolite using x-ray tomography. Contributions to Mineralogy and Petrology, 153: 733-742
[DOI:10.1007/s00410-006-0173-5]
(9) Vlach SRF & Gualda GAR (2007) Allanite and chevkinite in A-type granites and syenites of the Graciosa Province, southern Brazil. Lithos, 97: 98-121 [DOI:10.1016/j.lithos.2006.12.003]
(8) Gualda GAR & Vlach SRF (2007) The Serra da Graciosa A-type Granites & Syenites, southern Brazil. Part 3: Magmatic evolution and post-magmatic breakdown of amphiboles of the alkaline association. Lithos, 93: 328-339 [DOI:10.1016/j.lithos.2006.03.070]
(7) Gualda GAR & Vlach SRF (2007) The Serra da Graciosa A-type Granites & Syenites, southern Brazil. Part 2: Petrographic and mineralogical evolution of the alkaline and aluminous associations. Lithos, 93: 310-327 [DOI:10.1016/j.lithos.2006.06.002]
(6) Gualda GAR & Vlach SRF (2007). The Serra da Graciosa A-type Granites & Syenites, southern Brazil. Part 1: Regional setting and geological characterization. Anais da Academia Brasileira de Ciências, 79: 405-430 [http://www.scielo.br/pdf/aabc/v79n3/a06v79n3.pdf]
(5) Gualda GAR (2006) Crystal size distributions derived from 3D datasets: Sample size versus uncertainties. Journal of Petrology, 47: 1245-1254 [DOI:10.1093/petrology/egl010]
(4) Gualda GAR & Rivers M (2006) Quantitative 3D petrography using x-ray tomography: Application to Bishop Tuff pumice clasts. Journal of Volcanology and Geothermal Research, 154: 48–62 [DOI:10.1016/j.jvolgeores.2005.09.019]
(3) Gualda GAR & Vlach SRF (2005) Stoichiometry-based estimates of ferric iron in calcic, sodic-calcic and sodic amphiboles: A comparison of various methods. Anais da Academia Brasileira de Ciências, 77: 521-534 [http://www.scielo.br/pdf/aabc/v77n3/a12v77n3.pdf]
(2) Gualda GAR, Cook DL, Chopra R, Qin L, Anderson AT Jr., Rivers M (2004) Fragmentation, Nucleation and Migration of Crystals and Bubbles in the Bishop Tuff Rhyolitic Magma. Transactions of the Royal Society of Edinburgh: Earth Sciences, 95: 375-390 [http://www.ingentaconnect.com/content/rse/tes/2005/00000095/F0020001/art00029]
(1) Vlach SRF & Gualda GAR (2000) Microprobe monazite dating and the ages of some granitic and metamorphic rocks from Southeastern Brazil. Revista Brasileira de Geociências 30: 214-218 [http://www.sbgeo.org.br/rgb/vol30_down/3001/3001214.pdf]

Book Chapters

(2) Claiborne LL, Miller CF, Gualda GAR, Carley TL, Covey AK, Wooden JL, Fleming MA (2017) Zircon as magma monitor: Robust, temperature-dependent partition coefficients from glass and zircon surface and rim measurements from natural systems. In: Moser DE, Corfu F, Darling JR, Reddy SM, Tait K (Eds.), Microstructural geochronology: Planetary records down to atom scale [DOI:10.1002/9781119227250.ch1]
(1) Ghiorso MS & Gualda GAR (2015) Chemical thermodynamics and the study of magmas. In: Sigurdsson H, Houghton B, Rymer H, Stix J, McNutt S (Eds.), The encyclopedia of volcanoes, 2nd Ed., 143-161 [DOI:10.1016/B978-0-12-385938-9.00006-7]

Abstracts in meetings

(132) Gualda GAR, Miller CF (2018) The volcano-pluton connection: A progress report based on integrated research of volcanic and plutonic systems. 2018 GSA Annual Meeting, Indianapolis, 4-7 Nov
(131) Harmon LJ, Gualda GAR, Gravley DM (2018) Temporal exploration of volcanism in the Paraná Volcanic Province, Southern Brazil: Evidence from continuous vertical sections along canyon walls. 2018 GSA Annual Meeting, Indianapolis, 4-7 Nov
(130) Pitcher BW, Gualda GAR (2018) Variable timescales and magma storage conditions for three major Pleistocene ignimbrites, Hokkaido, Japan. 2018 GSA Annual Meeting, Indianapolis, 4-7 Nov
(129) Pamukcu AS, Wright KA, Gualda GAR, Gravley DM (2018) Eruptive processes and magma residence at the Taupo Volcanic Center (New Zealand): Insights from rhyolite-melts geobarometry, diffusion chronometry, and crystal textures. 2018 GSA Annual Meeting, Indianapolis, 4-7 Nov
(128) Chiaro GR, Gualda GAR, Morelli C, Giordano G (2018) Multiple magmas: A textural analysis of fiamme from the Ora Supereruption (Permian, Italy). 2018 GSA Annual Meeting, Indianapolis, 4-7 Nov
(127) Allen SM, Gualda GAR, Gravley DM (2018) Magma in motion: determining vertical magma positioning in the magmatic system that fed the Ohakuri Eruption, Taupo Volcanic Zone, New Zealand. 2018 GSA Annual Meeting, Indianapolis, 4-7 Nov
(126) Burchiel CJ, Harmon LJ, Gualda GAR, Gravley DM (2018) Journey to the surface: Independent rhyolitic crystal-poor magma extraction and storage preceding caldera-forming silicic eruptions. 2018 GSA Annual Meeting, Indianapolis, 4-7 Nov
(125) Blackstone LA, Gravley DM, Gualda GAR, Dempsey D, Harmon LJ (2018) Thermodynamic modelling of crust-magma heat interactions in the TVZ. 2018 GSA Annual Meeting, Indianapolis, 4-7 Nov
(124) Saunders-Shultz CP, Harmon LJ, Gravley DM, Gualda GAR (2018) Tracing melt pathways of the Whakamaru supereruptions with rhyolite-MELTS geobarometry in pumice whole-rock and glass. 2018 GSA Annual Meeting, Indianapolis, 4-7 Nov
(123) Wallrich BM, Miller CF, Claiborne LL, Mcintosh W, Bradshaw RW, Gualda GAR (2018) Sitgreaves Tuff, Southern Black Mountains, NW AZ: Phase chemistry and Ar dating illuminate the evolution of a dynamic silicic magmatic system. 2018 GSA Annual Meeting, Indianapolis, 4-7 Nov
(122) Johnson, SJ, Bertolett E, Gualda GAR, Davidson, J, Hampton SJ (2018) Investigating the origin of an orbicular granite: Karamea, New Zealand. 2018 GSA Annual Meeting, Indianapolis, 4-7 Nov
(121) Gualda GAR, Ghiorso MS, Gravley DM, Pearce NJG, Foley ML, Miller CF (2018) Architecture of magma bodies that feed caldera-forming supereruptions: Inferences from rhyolite-MELTS geobarometry. 7th International Workshop on Collapse Calderas, Toba, Sep 23-27
(120) Tramontano S, Gualda GAR, Ghiorso MS, Gravley DM (2018) Modeling overpressure regimes for large, upper crustal magma bodies: Triggering of Taupo Volcanic Zone flare-up explosive volcanism. 2018 EGU General Assembly, Vienna, 8-13 Apr
(119) Gualda GAR, Ghiorso MS, §Hurst AA, §Allen MC, Bradshaw RW (2017) Patchy distribution of magma that fed the Bishop Tuff supereruption: Evidence from matrix glass major and trace-element compositions. 2017 AGU Fall Meeting, New Orleans, 11-15 Dec
(118) *Belfanti SAD, Gualda GAR (2017) The history of a plutonic-volcanic system determined from compositional and mineral inclusion mapping of alkali feldspar megacrysts. 2017 AGU Fall Meeting, New Orleans, 11-15 Dec
(117) Claiborne LL, Miller CF, Gualda GAR, Carley TL (2017) New zircon-melt partition coefficients from natural zircon-glass pairs elucidate magmatic storage and interactions beneath Mount St. Helens Volcano. 2017 AGU Fall Meeting, New Orleans, 11-15 Dec
(116) *Foley ML, Miller CF, Gualda GAR (2017) Heterogeneous glasses preserve chemical and dynamic processes in partially remelted and remobilized cumulate of the Peach Spring Tuff (CA-NV-AZ), USA. 2017 GSA Annual Meeting, Seattle, 22-25 Oct
(115) Gualda GAR, Gravley DM, Deering CD, Ghiorso MS (2017) Magma extraction and storage pressures over time in the Taupo Volcanic Zone flare-up: The changing architecture of magmatic systems retrieved using rhyolite-MELTS geobarometry. 2017 IAVCEI Scientific Assembly, Portland, 14-18 Aug
(114) *Harmon LJ, Gualda GAR, Gravley DM, Deering CD (2017) Deciphering Whakamaru group storage conditions and magma mixing via glass geochemistry and rhyolite-MELTS geothermobarometry. 2017 IAVCEI Scientific Assembly, Portland, 14-18 Aug
(113) Miller CF, *Foley ML, Pamukcu AS, Claiborne LL, Gualda GAR (2017) Pre-eruption melt compositions revealed by temperature-sensitive zircon-melt Kds: Diversity in the Peach Spring Tuff magma chamber, SW USA. 2017 IAVCEI Scientific Assembly, Portland, 14-18 Aug
(112) *Bertolett E, Gravley DM, Beane RJ, Gualda GAR, Prior D, Deering CD (2017) Compaction and fractionation revealed in a suite of plutonic lithics: a structural, textural and compositional study of the Akaroa Volcanic Complex, New Zealand. 2017 IAVCEI Scientific Assembly, Portland, 14-18 Aug
(111) *Foley ML, Miller CF, Gualda GAR (2017) Heterogeneities in pumice and fiamme provides insights into thermal and mechanical history of partially remelted and remobilized crystal mush in the magma chamber that fed the Peach Spring supereruption (AZ, USA). 2017 GSA Cordilleran Section Meeting, Honolulu, 23-25 May
(110) Claiborne LL, Miller CF, Gualda GAR, Carley TL (2017) New zircon-melt partition coefficients from natural zircon-glass pairs applied to Mount St. Helens, USA: understanding MSH melt compositions through time. 2017 GSA Cordilleran Section Meeting, Honolulu, 23-25 May
(109) Gualda GAR, Gravley DM, Ghiorso MS, Deering CD (2016) The depths of magma extraction in the most productive silicic volcanic system on Earth, central Taupo Volcanic Zone, New Zealand. 2016 AGU Fall Meeting, San Francisco, 12-16 Dec
(108) Ghiorso MS, Gualda GAR, Pamukcu AS, Gardner JE (2016) Apparent temperature-redox trends in the Bishop Tuff: A result of rapid growth of Fe-Ti oxides under constant temperature/redox state conditions. 2016 AGU Fall Meeting, San Francisco, 12-16 Dec
(107) *Harmon LJ, Gualda GAR, Gravley DM (2016) The 3D distribution of magma bodies that fed the Paraná Silicic Volcanics, Brazil: A combination of field evidence, textural analysis, and geothermobarometry. 2016 AGU Fall Meeting, San Francisco, 12-16 Dec
(106) Gualda GAR, Gravley DM, Pamukcu AS, Bégué F, §Connor M, §Wright KA, §Hollmann B, Ghiorso MS, Deering CD (2016) Supereruptions: Snapshots of the crust in moments of high melt productivity. VI International Workshop on Collapse Calderas, Hokkaido, Japan, 4-10 Sep
(105) Gravley DM, Gualda GAR, Deering CD (2016) Crustal instability and magma storage architecture during an intense ignimbrite flare-up, Taupo Volcanic Zone, New Zealand. VI International Workshop on Collapse Calderas, Hokkaido, Japan, 4-10 Sep
(104) Gualda GAR, Gravley DM, Connor M, Hollmann B, Pamukcu AS, Bégué F, Ghiorso MS, Deering CD (2016) Climbing the crustal ladder: Magma storage-depth evolution during a volcanic flare-up. 2016 Goldschmidt Conference, Yokohama, Japan, 26 Jun-1 Jul
(103) *Tramontano S, Gualda GAR, Ghiorso MS (2016) The internal trigger test: Mapping overpressure regimes for giant magma bodies. 2016 Goldschmidt Conference, Yokohama, Japan, 26 Jun-1 Jul
(102) Claiborne LL, Miller CF, Gualda GAR, Fleming MA, Covey AK, Wooden JL, Carley TL (2016) Zircon as magma monitor: Robust partition coefficients from surface, rim, and glass measurements from natural systems. 2016 Goldschmidt Conference, Yokohama, Japan, 26 Jun-1 Jul
(101) Gualda GAR (2015) The year leading to a supereruption. 2015 AGU Fall Meeting, San Francisco, 15-19 Dec
(100) *Harmon LJ, Cowlyn J, Gualda GAR, Ghiorso MS (2015) Under pressure: New geobarometer developed to determine crystallization conditions and storage depths of intermediate magmas. 2015 AGU Fall Meeting, San Francisco, 15-19 Dec
(99) *Tramontano S, Gualda GAR, Ghiorso MS, Kennedy B (2015) Priming silicic giant magma bodies: Finding evidence for internal forcing versus external triggering of supereruptions by phase equilibria modeling. 2015 AGU Fall Meeting, San Francisco, 15-19 Dec
(98) *Tramontano S, Claiborne LL, Brame CJ, Gualda GAR (2015) Developing and incorporating instructional videos and quizzes as a blended and online learning component in an undergraduate optical microscopy curriculum. 2015 AGU Fall Meeting, San Francisco, 15-19 Dec
(97) Pamukcu AS, Ghiorso MS, Gualda GAR (2015) The effect of growth rate on the production of Ti-enriched rims of quartz phenocrysts in the Bishop magma bodies. 2015 AGU Fall Meeting, San Francisco, 15-19 Dec
(96) Gualda GAR (2015) The year leading to a supereruption. To be presented at 2015 AGU Fall Meeting, San Francisco, 15-19 Dec
(95) *Harmon LJ, Cowlyn J, Gualda GAR, Ghiorso MS (2015) Under pressure: New geobarometer developed to determine crystallization conditions and storage depths of intermediate magmas. To be presented at 2015 AGU Fall Meeting, San Francisco, 15-19 Dec
(94) *Tramontano S, Gualda GAR, Ghiorso MS, Kennedy B (2015) Priming silicic giant magma bodies: Finding evidence for internal forcing versus external triggering of supereruptions by phase equilibria modeling. To be presented at 2015 AGU Fall Meeting, San Francisco, 15-19 Dec
(93) *Tramontano S, Claiborne LL, Brame CJ, Gualda GAR (2015) Developing and incorporating instructional videos and quizzes as a blended and online learning component in an undergraduate optical microscopy curriculum. To be presented at 2015 AGU Fall Meeting, San Francisco, 15-19 Dec
(92) Pamukcu AS, Ghiorso MS, Gualda GAR (2015) The effect of growth rate on the production of Ti-enriched rims of quartz phenocrysts in the Bishop magma bodies. To be presented at 2015 AGU Fall Meeting, San Francisco, 15-19 Dec
(91) Beckham EC, Hampton S, Gravley DM, Noblett J, Deering, CD, Gualda GAR (2015) Shallow magmatic recharge in an intraplate volcanic complex, Akaroa, Banks Peninsula, New Zealand. To be presented at 2015 Annual Meeting, GSA, Baltimore, 1-4 Nov
(90) Chattin AE, Pamukcu AS, Gardner JE, Gualda GAR (2015) Combining experimental petrology and 3D imaging to gain insight into syn-eruptive conditions of the Bishop Tuff, California. 2015 EGU General Assembly, Vienna, Austria, 12-17 Apr
(89) Carley TL, Bruff D, Gualda GAR, (2015) Synthesizing multi-scale geologic concepts by creating iterative, zooming, concept maps. 2015 Northeastern GSA Meeting, Bretton Woods, 23-25 Mar
(88) Gualda GAR, Pamukcu AS, *Wright KA (2014) Tales from supereruptions: Combining pumice and mineral textures with phase equilibria to constrain the evolution of giant silicic magma bodies in the crust. 2014 AGU Fall Meeting, San Francisco, 15-19 Dec
(87) *Pamukcu AS, Gualda GAR, Bégué F, Gravley DM (2014) Melt inclusion shapes: Timekeepers of short-lived giant magma bodies. 2014 AGU Fall Meeting, San Francisco, 15-19 Dec
(86) *Wright KA, Pamukcu AS, Gualda GAR (2014) The Oruanui and Taupo magma bodies (central Taupo Volcanic Zone, NZ): Evolution and longevity as recorded in pumice textures. 2014 AGU Fall Meeting, San Francisco, 15-19 Dec
(85) *Tramontano S, *Harmon LJ, Gravley DM, Gualda GAR (2014) New field evidence for silicic ignimbrites and proximal lavas and their distribution in the Parana Basin, Brazil. 2014 AGU Fall Meeting, San Francisco, 15-19 Dec
(84) *Padilla AJ & Gualda GAR (2014) Crystal-melt elemental partitioning in silicic magmatic systems: An example from the Peach Spring Tuff high-silica rhyolite, S. Nevada. 2014 AGU Fall Meeting, San Francisco, 15-19 Dec
(83) Miller CF, Frazier WO, Carley TL, Claiborne LL, *Padilla AJ, *Thomas KD, Gualda GAR (2014) Zr/Sr ratios distinguish cool & wet from hot & dry magmatic suites. 2014 Annual Meeting, GSA, Vancouver-Canada, 19-22 Oct
(82) Gualda GAR, Ghiorso MS, Bégué F, Pamukcu AS, Gravley DM (2013) Phase-equilibrium geobarometers for silicic rocks based on rhyolite-MELTS. 2013 AGU Fall Meeting, San Francisco, 9-13 Dec
(81) Gualda GAR & Ghiorso MS (2013) A Microsoft Excel interface for rhyolite-MELTS: a tool for research and teaching of magma properties and evolution. 2013 AGU Fall Meeting, San Francisco, 9-13 Dec
(80) *Connor MR, Gualda GAR, Gravley DM (2013) Timescales and conditions of crystallization in the Pokai and Chimpanzee Ignimbrites, Taupo Volcanic Zone, New Zealand. 2013 AGU Fall Meeting, San Francisco, 9-13 Dec
(79) *Wright KA, *Pamukcu AS, Gualda GAR (2013) Supereruption time scales: X-ray tomographic analyses of Oruanui pumice from the Taupo Volcanic Zone. 2013 AGU Fall Meeting, San Francisco, 9-13 Dec
(78) *Pamukcu AS & Gualda GAR (2013) How deep, how hot: comparing pressure and temperature estimates from amphibole and rhyolite-MELTS thermobarometry. 2013 AGU Fall Meeting, San Francisco, 9-13 Dec
(77) *Luchetti ACF, Nardy AR, Machado FB, Gravley DM, Gualda GAR (2013) Characterizing silicic rocks in the Parana Magmatic Province: an update in their origin and emplacement. 2013 AGU Fall Meeting, San Francisco, 9-13 Dec
(76) Gardner JE, Befus KS, Gualda GAR, Ghiorso MS (2013) Experimental constraints on the Bishop Tuff magma body. 2013 AGU Fall Meeting, San Francisco, 9-13 Dec
(75) *McDowell SM, *Burdakin N, Gualda GAR (2013) Using LA-ICPMS zircon “fingerprinting” to study the relationships between silicic magmatic pulses recorded in the Neoproterozoic-Cambrian basins of southern Brazil. 2013 GSA Annual Meeting, Denver, 27–30 Oct
(74) Gualda GAR & Ghiorso MS (2013) High-silica rhyolites and granites: Products of the shallow crust. 2013 Goldschmidt Conference, Florence, Italy, 25-30 Aug
(73) Miller CF, *McDowell SM, Carley TL, Frazier WO, *Pamukcu AS, *Padilla AJ, Claiborne LL, Flanagan DM, Gualda GAR, Miller JS, Wooden JL, Mapes RW (2013) Hot/cold, wet/dry, big/small, erupt/ stall, juvenile/anatectic? – Multiple personalities of felsic magmatism. 2013 Goldschmidt Conference, Florence, Italy, 25-30 Aug
(72) *Pamukcu AS, Gualda GAR, Bégué F, Gravley DM (2013) How do quartz watches compare?: glass inclusion faceting versus Ti diffusion profiles. 2013 Scientific Assembly, IAVCEI, Kagoshima, Japan, 20-24 Jul
(71) *Burdakin NJ, *McDowell SM, Gualda GAR (2013) Geochronology and geochemistry of volcanic rocks from a large rift system in southern brazil: Preliminary data from the Camaquã and Itajaí basins. 2013 South-Central Section, GSA, Austin, TX, 4-5 Apr
(70) Gualda GAR & Ghiorso MS (2012) The Bishop Tuff giant magma body: An alternative to the Standard Model. 2012 AGU Fall Meeting, San Francisco, CA, 3-7 Dec
(69) Ghiorso MS & Gualda GAR (2012) A new model for the solubility of water+carbon dioxide mixed fluids in magmatic systems. 2012 AGU Fall Meeting, San Francisco, CA, 3-7 Dec
(68) *Pamukcu AS, Gualda GAR, Anderson AT (2012) Timescales of quartz crystallization estimated from glass inclusion faceting using 3D propagation phase-contrast x-ray tomography: examples from the Bishop (California, USA) and Oruanui (Taupo Volcanic Zone, New Zealand) Tuffs. 2012 AGU Fall Meeting, San Francisco, CA, 3-7 Dec
(67) *Carley TL, Gualda GAR, Ghiorso MS, Miller CF (2012) Eruption triggering of giant magma bodies by internal versus external forcing: A rhyolite-MELTS study. 2012 AGU Fall Meeting, San Francisco, CA, 3-7 Dec
(66) Covey AK, *Braun SA, Gualda GAR, Bream BR, Fisher C, Wooden JL, Schmitz MD (2012) Zirconia (NC) zircon as a potential standard. 2012 AGU Fall Meeting, San Francisco, CA, 3-7 Dec
(65) *McCracken RG, Miller CF, Buesch DC, Gualda GAR, Covey AK (2012) Glass and mineral analyses from first deposits of Peach Spring Supereruption (SW USA) illuminate initial tapping of a zoned magma chamber. 2012 AGU Fall Meeting, San Francisco, CA, 3-7 Dec
(64) *Frazier WO, Miller CF, Fisher C, Miller JS, *McDowell SM, *Pamukcu AS, Gualda GAR, Vervoort JD, Overton S (2012) Peach Spring Tuff, AZ-CA-NV: Petrochemical constraints on generation of supereruption magma. 2012 GSA Annual Meeting, Charlotte, NC, 4-7 Nov
(63) Miller CF, *Frazier WO, *McDowell SM, *Pamukcu AS, *Carley TL, Gualda GAR, Miller JS, Ferguson CA, Fisher CM, Vervoort JD (2012) Peach Spring Tuff, AZ-CA-NV: Supereruption of a stratified, mush-based magma chamber. 2012 GSA Annual Meeting, Charlotte, NC, 4-7 Nov
(62) *Walker BJ, Miller MF, Bowser SS, Furbish DJ, Gualda GAR (2012) Dissolution of ophiuroid ossicles on the shallow Antarctic seafloor: Implications for the fossil record and ocean acidification. 2012 GSA Annual Meeting, Charlotte, NC, 4-7 Nov
(61) Miller CF, *Pamukcu AS, Ferguson CA, *Carley TL, Gualda GAR, Wooden JL, McIntosh WC, Lidzbarski MI, Miller JS, *McDowell SM (2012) Peach Spring Tuff, Arizona-California-Nevada, USA: Generating an isolated supereruption. 2012 Goldschmidt Conference, Montreal, Canada, 24-29 Jun
(60) Claiborne LL, Wooden JL, Miller CF, Gualda GAR, Clynne MA, Flanagan DM (2012) Understanding the Mount St. Helens magmatic system using zircon surface geochronology and geochemistry, 3D x-ray tomography, and glass compositions. GSA Abstracts with Programs, 44(3): 74
(59) Lidzbarski M, Miller JS, Miller CF, Wooden JL, Vazquez JA, *Pamukcu AS, *Carley TL, Gualda GAR (2012) Geochronology and trace element analysis of Peach Spring Tuff zircons and their bearing on growth of the Peach Spring Tuff magma chamber and eruption. GSA Abstracts with Programs, 44(3): 60
(58) Miller CF, *Padilla AJ, *Pamukcu AS, *Carley TL, Claiborne LL, Flanagan DM, Gualda GAR, Wooden JL, Miller JS, Lidzbarski M (2012) Reinvigorating stagnant silicic magma systems: Volcanic and plutonic views. GSA Abstracts with Programs, 44(3): 22
(57) Gualda GAR & Ghiorso MS (2011) Low pressure origin of high-silica rhyolites. Eos Transactions AGU, Fall Meeting Supplement, V11A-2499
(56) Ghiorso MS & Gualda GAR (2011) A method for estimating the activity of titania in magmatic liquids from the compositions of coexisting rhombohedral and cubic iron-titanium oxides. Eos Transactions AGU, Fall Meeting Supplement, V11A-2486
(55) *Pamukcu AS, Gualda GAR, Rivers ML, Anderson AT (2011) 3D imaging of glass inclusions in quartz using propagation phase-contrast x-ray tomography: Application to the Bishop Tuff (California, USA). Eos Transactions AGU, Fall Meeting Supplement, V11A-2490
(54) *Brooks CE, Ghiorso MS, Gualda GAR (2011) A new internally consistent thermodynamic model for calculating hornblende-bearing phase equilibria with rhyolite-MELTS. Eos Transactions AGU, Fall Meeting Supplement, V11A-2484
(53) *McCracken RG, Miller CF, Dufek J, Gualda GAR, Buesch D, *Brooks CE (2011) Understanding the Peach Spring Tuff supereruption through its basal layer deposits (Southwestern USA). Eos Transactions AGU, Fall Meeting Supplement, V51F-2572
(52) Miller CF, Gualda GAR, *Padilla AJ, *Pamukcu AS, *Claiborne LL, *Carley TL, *Flanagan DM (2011) Reviving moribund intrusive complexes: Mafic thermal input, the accessory mineral record, and the pluton-volcano connection. Eos Transactions AGU, Fall Meeting Supplement, V11G-05
(51) Gualda GAR, Ghiorso MS, *Lemons RV, *Carley TL (2010) Rhyolite-MELTS: A modified calibration of MELTS optimized for silica-rich, fluid-bearing magmatic systems.  Eos Transactions AGU, 91, Fall Meeting Supplement, Abstract V43A-2352
(50) *Pamukcu AS, Gualda GAR, Miller CF, Wooden JL (2010) The evolution of the Peach Spring Tuff magmatic system as revealed by accessory mineral textures and compositions. Eos Transactions AGU, 91, Fall Meeting Supplement, Abstract V43A-2350
(49) *Carley TL, Gualda GAR, Ghiorso MS, Miller CF (2010) Modeling the destabilization of large-volume silicic magmatic systems using rhyolite-MELTS and the Peach Spring Tuff. Eos Transactions AGU, 91, Fall Meeting Supplement, Abstract V43A-2351
(48) *Braun SA, Gualda GAR, Bream BR, Vlach SRF (2010) Importance of LA-ICP-MS zircon geochronology and geochemistry in determining the history of magmatic systems: Insights from the Graciosa A-type Province, Southern Brazil. Eos Transactions AGU, 91, Fall Meeting Supplement, Abstract V41B-2287
(47) *Claiborne LL, Wooden JL, Miller CF, Gualda GAR, Clynne MA, Flanagan DM (2010) Putting zircon surface geochronology and geochemistry in textural context using 3D x-ray tomography: Probing the magmatic history of Mount St. Helens. Eos Transactions AGU, 91, Fall Meeting Supplement, Abstract V51E-03
(46) Gualda GAR, *Pamukcu AS, *Claiborne LL, Rivers ML (2010) Quantitative 3D petrography using x-ray tomography: Documenting accessory phases with differential absorption tomography. GSA Abstracts with Programs, 42(5): Abstract 181136
(45) Miller CF, *Pamukcu AS, Gualda GAR, Colombini LL, Flanagan DM, Ayers JC (2010) Sphene (titanite) as tracer of processes in felsic magmas: Examples from Miocene rocks of the Colorado River Extensional Corridor (CREC), NV-AZ-CA. GSA Abstracts with Programs, 42(5): Abstract 181059
(44) *Padilla AJ, Miller CF, Gualda GAR, Colombini LL, *Kelly EA, Cribb JW (2010) Death throes of a silicic system: Final re-activation of granitic crystal mush and transition to andesitic volcanism, Highland Range, southern Nevada. GSA Abstracts with Programs, 42(5): Abstract 181196
(43) *Kelly EA, Miller CF, Gualda GAR, Colombini LL, *Padilla AJ, Cribb JW (2010) Multi-component magma mingling revealed in a rhyolite-dacite-andesite coulee, southern Highland Range (southern Nevada). GSA Abstracts with Programs, 42(5): Abstract 181476
(42) Gualda GAR & Ghiorso MS (2009) Crystallization of the Bishop magma body (or magma bodies?): Lessons from thermodynamics. Eos Transactions AGU, 90(52), Fall Meeting Supplement, Abstract V23C-2096
(41) *Vaum RC, Gualda GAR, Ghiorso MS, Miller CF, *Colombini LL (2009) Using MELTS to understand the evolution of silicic magmas: Challenges and successes in modeling the Highland Range Volcanic Sequence (NV). Eos Transactions AGU, 90(52), Fall Meeting Supplement, Abstract V13D-2058
(40) *Pamukcu AS, Gualda GAR, Miller CF, Wooden JL, Ferguson CA (2009) Evolution of the Peach Spring Tuff (Southwest USA) magma body revealed by textures and compositions of accessory minerals. Eos Transactions AGU, 90(52), Fall Meeting Supplement, Abstract V23C-2087
(39) *Hall MR, *Pamukcu AS, Gualda GAR, Miller CF (2009) Using differential absorption radiography and acid dissolution to determine crystal size distributions of zircons: Methods and application to volcano-pluton connections in the Searchlight Magmatic System (Nevada). Eos Transactions AGU, 90(52), Fall Meeting Supplement, Abstract V51A-1639
(38) *Colombini LL, Miller CF, Gualda GAR, Wooden JL, Miller JS (2009) Geochemistry and petrogenetic significance of sphene: Evidence from the Miocene Highland Range volcanic sequence, southern Nevada. Eos Transactions AGU, 90(52), Fall Meeting Supplement, Abstract V51A-1637
(37) *Braun SA, Bream BR, Gualda GAR (2009) Age and chemistry of megacrystic zircons from Zirconia, North Carolina. GSA Abstracts with Programs, 41(7): 671
(36) *Carley TL, Miller CF, Ferguson CA, Gualda GAR, *Pamukcu AS, Wooden JL, Miller J, Gaudio SJ, Varga RJ (2009) supereruption of Peach Spring Tuff: New insights from caldera-fill and outflow pumice and accessory minerals. GSA Abstracts with Programs, 41(7): 141
(35) Miller CF, Wooden JL, Claiborne LL, *Colombini LL, *Carley TL, Miller JS, Gualda GAR, *Pamukcu AS (2009) Accessory minerals in volcanic sequences: Elucidating magma chamber processes and the linkage between plutons and volcanism. GSA Abstracts with Programs, 41(7): 707
(34) Gualda GAR, *Pamukcu AS, Rivers ML (2009) X-ray tomography: The ultimate petrographic tool for studying pumice. Eos Transactions AGU, 90(22), Joint Assembly Supplement, Abstract V74A-05
(33) *Pamukcu AS & Gualda GAR (2009) Determining crystal size distributions over a wide range of crystal sizes from multiple tomographic runs. Eos Transactions AGU, 90(22), Joint Assembly Supplement, Abstract V13A-05
(32) Rivers ML & Gualda GAR (2009) ‘tomo_display’ and ‘vol_tools’: IDL VM packages for tomography data reconstruction, processing, and visualization. Eos Transactions AGU, 90(22), Joint Assembly Supplement, Abstract V13A-06
(31) Miller CF, *Colombini LL, Wooden JL, Mazdab FK, Gualda GAR, Claiborne LL, Ayers JC (2009) Sphene (titanite) as both monitor and driver of evolution of felsic magma: Miocene volcanic and plutonic rocks of the Colorado River Region, NV-AZ, USA. Eos Transactions AGU, 90(22), Joint Assembly Supplement, Abstract V73B-01
(30) Gualda GAR, *Pamukcu A, Anderson AT Jr., Sutton SR (2008) Magma heterogeneity and the transition towards the Bishop supereruption recorded in crystals of the Bishop Tuff. Eos Transactions AGU, 89(53), Fall Meeting Supplement, Abstract V23E-2172
(29) *Colombini LL, Gualda GAR, Miller CF, Faulds J, Miller J, Wooden J, Mazdab F (2008) Mid-Miocene rhyolite sequence, Highland Range, NV: Record of magma evolution and eruption from the Searchlight Pluton magma chamber. Eos Transactions AGU, 89(53), Fall Meeting Supplement, Abstract V21C-2125
(28) *Pamukcu A, Anderson AT Jr., Gualda GAR, Miller CF, (2008) Assessing Volcano-pluton connections in the Searchlight Magmatic System (Nevada) using zircon size distributions. Eos Transactions AGU, 89(53), Fall Meeting Supplement, Abstract V21C-2116
(27) Miller CF, Miller JS, Claiborne LL, Gualda GAR, Peters TJ (2008) Generating high-silica rhyolites: Plutonic and volcanic perspectives from the Colorado River region, Nevada-Arizona, USA. IAVCEI 2008 General Assembly, Reykjavík, 2008
(26) Miller CF, Miller JS, Claiborne LL, Gualda GAR, Peters TJ (2008) Highly-evolved silicic magmas: Volcanic vs. plutonic conundrums. Geochimica et Cosmochimica Acta, 72(12): A629
(25) Gualda GAR, Anderson AT Jr., Sutton SR (2007) Rapid crystallization of the Bishop magma. Eos Transactions AGU, 87(52), Fall Meeting Supplement, Abstract V24C-04
(24) Gualda GAR, *Pamukcu A, Anderson AT Jr., Sutton SR (2007) The onset of decompression recorded in phenocrysts of the Bishop Tuff. 24th IUGG General Assembly, Perugia, 2007
(23) Gualda GAR & Anderson AT Jr. (2006) The pre-eruptive texture of the Bishop magma. Eos Transactions AGU, 87(52), Fall Meeting Supplement, Abstract V24C-04
(22) *Pamukcu A, Anderson AT Jr., Gualda GAR (2006) Crystal sinking and bubble rising in late-erupted Bishop Tuff: A study of pumice clasts by x-ray tomography and physical separation. Eos Transactions AGU, 87(52), Fall Meeting Supplement, Abstract V33C-0684
(21) *Pamukcu A, Gualda GAR, Anderson AT Jr. (2006) Phenocryst size distributions of late-erupted Bishop Tuff. GSA Abstracts with Programs, 38(7): 446
(20) Vlach SRF & Gualda GAR (2006) Allanite and chevkinite in A-type granites and syenites of the Graciosa Province, Southern Brazil. GSA Abstracts with Programs, 38(7): 558
(19) Gualda GAR & Anderson AT Jr. (2006) Zoning in sanidine and quartz from the Bishop Tuff: Insights into the evolution of the magma body. Eos Transactions AGU, 87(36), Joint Assembly Supplement, Abstract V53A-06
(18) Gualda GAR & Ghiorso MS (2005) Magnetite scavenging and the buoyancy of bubbles in magmas. Eos Transactions AGU, 86(52), Fall Meeting Supplement, Abstract V53A-1531
(17) Gualda GAR, Miller CF, Anderson AT Jr., Rivers M (2005) Bubble accumulation and the origin of a vesicular microgranite. GSA Abstracts with Programs, 37(7): 309
(16) Gualda GAR & Anderson AT Jr. (2005) Magnetite clusters on vesicle walls: Evidence for pre-eruptive bubbles in the early-erupted Bishop Tuff, CA. Geochimica et Cosmochimica Acta, 69(10): A235
(15) Bleick HA, Miller CF, Furbish DJ, Koteas C, Ericksen SM, Miller JS, Gualda GAR, Walker BA (2005) Production and distribution of hybridized magma in a replenished, open-system magma chamber; Aztec Wash Pluton, Eldorado Mountains, Nevada. GSA Abstracts with Programs, 37(4): 66
(14) Gualda GAR & Anderson AT Jr. (2004) Pre-eruptive bubbles in the Bishop magma? An x-ray tomography study of vesicle size distributions. Eos Transactions AGU, 85(47), Fall Meeting Supplement, Abstract V43D-1448
(13) Gualda GAR & Rivers M (2004) Quantitative 3D petrography using x-ray tomography: application to Bishop Tuff pumice clasts. GSA Abstracts with Programs, 36(5): 245
(12) Miller CF, Miller JS, Furbish DJ, Bleick HA, Walker BA, Koteas GC, Gualda GAR, Faulds JE, Wiebe RA, Metcalf RD, Steinwinder TR, Ericksen SM (2004) Miocene intrusions, Colorado River Rift, Nevada-Arizona: Crystal- to crustal-scale dynamics in an open magmatic system. In: 32nd International Geological Congress, Florence, 2004. Abstracts Volume, A194-10
(11) Gualda GAR & Vlach SRF (2004) Petrographic and mineralogical evolution of the alkaline and aluminous associations of the Graciosa A-type granites, Brazil. Geochimica et Cosmochimica Acta, 68(11): A675
(10) Gualda GAR, Cook DL, Chopra R, Qin L, Anderson AT Jr., Rivers M (2003) Crystal Sinking and Bubble Rising in the Bishop Tuff Rhyolitic Magma. Eos Transactions AGU, 84(46), Fall Meeting Supplement, Abstract V12A-0557
(9) Gualda GAR, Cook DL, Chopra R, Qin L, Anderson AT Jr., Rivers M (2003) Fragmentation, Nucleation and Migration of Crystals and Bubbles in the Bishop Tuff Magma: Evidence from Crystal Size Distributions. 5th Hutton Symposium on the Origin of Granites and Related Rocks. Abstracts with Program. Geological Survey of Japan, Interim-Report 29, pg. 37
(8) Gualda GAR & Vlach SRF (2002) Stoichiometry-based estimates of ferric iron in calcic, sodic-calcic and sodic amphiboles: A comparison of various methods. In: IMA 2002, General Meeting of the International Mineralogical Association, Edinburgh, 2002
(7) Gualda GAR, Ferreira FJF, Portela CV Filho, Vlach SRF (2001) Integration of geological and airborne gamma-ray spectrometric data for the individualization of granitic massifs in the Serra da Graciosa Area (PR). In: 7th International Congress of the Brazilian Geophysical Society, Salvador, 2001 [in Portuguese]
(6) Gualda GAR & Vlach SRF (2000) Chemical and textural evolution of mafic minerals from agpaitic nepheline syenites from the Poços de Caldas Alkaline Massif – Southeastern Brazil. 31st International Geological Congress, Rio de Janeiro, 2000
(5) Gualda GAR & Vlach SRF (1999) Compositional variations and crystallization history of some pyroxenes from the Poços de Caldas Alkaline Massif (MG-SP). Acta Microscopica 8: 143-144
(4) Gualda GAR & Vlach SRF (1998) Controls on the accessory mineralogy of intermediate to agpaitic rocks from Taquari – Poços de Caldas Alkaline Massif (MG-SP). In: 40th Congresso Brasileiro de Geologia, Belo Horizonte, 1998. Anais…, p. 460 [in Portuguese]
(3) Gualda GAR & Vlach SRF (1998) Lamprophyllite and normandite (titaniferous låvenite) in agpaitic nepheline syenites from the Poços de Caldas Alkaline Massif (MG-SP): mineralogical and petrological characterization. In: 40th Congresso Brasileiro de Geologia, Belo Horizonte, 1998. Anais…, p. 284 [in Portuguese]
(2) Vlach SRF & Gualda GAR (1998) Chemistry of mafic minerals from the Graciosa Granitic Massif, PR: preliminary results and petrogenetic inferences. In: 40th Congresso Brasileiro de Geologia, Belo Horizonte, 1998. Anais…, p. 518 [in Portuguese]
(1) Gualda GAR & Vlach SRF (1996) Eudialyte-eucolite from the Poços de Caldas Alkaline Massif, MG-SP: chemistry and correlation with optic behavior. In: 39th Congresso Brasileiro de Geologia, Salvador, 1996. Anais…, 3: 34-36 [in Portuguese]
*denotes student