Search Results - "Pamukçu, Ayla"

Rhyolite-MELTS and the storage and extraction of large-volume crystal-poor rhyolitic melts at the Taupō Volcanic Center: a reply to Wilson et al. (2021) by Pamukçu, Ayla S., Gualda, Guilherme A. R., Gravley, Darren M.

“…In our recent work on the large-to-super-sized Oruanui and Taupō eruptions, we integrated information from crystal textures and glass compositions to compare…”
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Magma residence and eruption at the Taupo Volcanic Center (Taupo Volcanic Zone, New Zealand): insights from rhyolite-MELTS geobarometry, diffusion chronometry, and crystal textures by Pamukçu, Ayla S., Wright, Kylie A., Gualda, Guilherme A. R., Gravley, Darren

“…The Taupo Volcanic Center [TVC; Taupo Volcanic Zone (TVZ), New Zealand] is home to the two most recent silicic caldera-forming eruptions in the TVZ—the giant…”
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Extensive H2O degassing in deeply erupted submarine glasses inferred from Samoan melt inclusions: The EM2 mantle source is damp, not dry by Anderson, Olivia E., Jackson, Matthew G., Pamukçu, Ayla S., Rose-Koga, Estelle F., Le Roux, Véronique, Klein, Frieder, Koga, Kenneth T., Gaetani, Glenn A., Price, Allison A.

“…Submarine glasses erupted at intraplate volcanic hotspot settings sampling enriched mantle (EM)—characterized by high 87Sr/86Sr—exhibit lower H2O/Ce than…”
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Laser heating effect on Raman analysis of CO2 co-existing as liquid and vapor in olivine-hosted melt inclusion bubbles by DeVitre, Charlotte L., Dayton, Kyle, Gazel, Esteban, Pamukçu, Ayla, Gaetani, Glenn, Wieser, Penny E.

“…Raman spectroscopy has become the tool of choice for analyzing fluid inclusions and melt inclusion (MI) vapor bubbles as it allows the density of CO2-rich…”
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Experimental investigation of hydrogen isotope fractionation during hydration of olivine-hosted melt inclusions: Implications for D/H in Baffin Island picrites by Zhang, Yuxiang, Gaetani, Glenn, Pamukçu, Ayla, Monteleone, Brian, Saper, Lee

“…•Extremely low D/H in olivine-hosted melt inclusions can result from hydration.•Similar H+ diffusivity in olivine equilibrating with external fluid or melt.•S…”
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Timescales of quartz crystallization and the longevity of the Bishop giant magma body by Gualda, Guilherme A R, Pamukcu, Ayla S, Ghiorso, Mark S, Anderson, Jr, Alfred T, Sutton, Stephen R, Rivers, Mark L

“…Supereruptions violently transfer huge amounts (100 s-1000 s km(3)) of magma to the surface in a matter of days and testify to the existence of giant pools of…”
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Volcano-pluton connections at the Lake City magmatic center (Colorado, USA) by Pamukcu, Ayla S, Schoene, Blair, Deering, Chad D, Keller, C. Brenhin, Eddy, Michael P

“…Exposed at the Lake City caldera (Colorado, USA) is the ca. 23 Ma reversely stratified (rhyolite to trachyte) Sunshine Peak Tuff and post-collapse syenite and…”
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High-Ti, bright-CL rims in volcanic quartz: a result of very rapid growth by Pamukcu, Ayla S., Ghiorso, Mark S., Gualda, Guilherme A. R.

“…Volcanic quartz commonly contains Ti-enriched zones and CO 2 -enriched melt inclusions, and crystallization temperatures and pressures derived from…”
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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, 789–818) by Gualda, Guilherme A R, Bégué, Florence, Pamukcu, Ayla S, Ghiorso, Mark S

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Constraints on the timescales and processes that led to high-SiO2 rhyolite production in the Searchlight Pluton, Nevada, USA by Eddy, Michael P, Pamukcu, Ayla, Schoene, Blair, Steiner-Leach, Travis, Bell, Elizabeth A

“…Plutons offer an opportunity to study the extended history of magmas at depth. Fully exploiting this record requires the ability to track changes in magmatic…”
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Deciphering Clues Regarding Magma Composition Encoded in Quartz‐Hosted Embayments and Melt Inclusions Through Direct Numerical Simulations by Wei, Zihan, Ruefer, Anna C., Pamukcu, Ayla S., Suckale, Jenny

“…Crystal‐hosted melt embayments and melt inclusions partially record magmatic processes at depth, but it is not always obvious how to interpret this record. One…”
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Phase-equilibrium geobarometers for silicic rocks based on rhyolite-MELTS—Part 3: Application to the Peach Spring Tuff (Arizona–California–Nevada, USA) by Pamukcu, Ayla S., Gualda, Guilherme A. R., Ghiorso, Mark S., Miller, Calvin F., McCracken, Reba G.

“…Establishing the depths of magma accumulation is critical to understanding how magmas evolve and erupt, but developing methods to constrain these pressures is…”
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Phase-equilibrium geobarometers for silicic rocks based on rhyolite-MELTS. Part 2: application to Taupo Volcanic Zone rhyolites by Bégué, Florence, Gualda, Guilherme A. R., Ghiorso, Mark S., Pamukcu, Ayla S., Kennedy, Ben M., Gravley, Darren M., Deering, Chad D., Chambefort, Isabelle

“…Constraining the pressure of crystallisation of large silicic magma bodies gives important insight into the depth and vertical extent of magmatic plumbing…”
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Crystallization Stages of the Bishop Tuff Magma Body Recorded in Crystal Textures in Pumice Clasts by Pamukcu, Ayla S., Gualda, Guilherme A. R., Anderson, Alfred T.

“…The Bishop Tuff is a giant silicic ignimbrite erupted at 0.76 Ma in eastern California, USA. Five pumice clasts from the late-erupted Bishop Tuff (Aeolian…”
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Rhyolite-MELTS and the storage and extraction of large-volume crystal-poor rhyolitic melts at the TaupÅ Volcanic Center: a reply to Wilson et al by Pamukçu, Ayla S, Gualda, Guilherme A. R, Gravley, Darren M

“…In our recent work on the large-to-super-sized Oruanui and TaupÅ eruptions, we integrated information from crystal textures and glass compositions to compare…”
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Erratum to: High-Ti, bright-CL rims in volcanic quartz: a result of very rapid growth by Pamukcu, Ayla S., Ghiorso, Mark S., Gualda, Guilherme A. R.

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Climbing the crustal ladder: Magma storage-depth evolution during a volcanic flare-up by Gualda, Guilherme A R, Gravley, Darren M, Connor, Michelle, Hollmann, Brooke, Pamukcu, Ayla S, Bégué, Florence, Ghiorso, Mark S, Deering, Chad D

“…Very large eruptions (>50 km ) and supereruptions (>450 km ) reveal Earth's capacity to produce and store enormous quantities (>1000 km ) of crystal-poor,…”
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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 by Pamukcu, Ayla S., Carley, Tamara L., Gualda, Guilherme A. R., Miller, Calvin F., Ferguson, Charles A.

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Understanding the What, When, Where, and Why of Supereruptions by Pamukcu, Ayla Susan

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