Search Results - "Wilson, Colin J. N"

Volcanic glass from the 1.8 ka Taupō eruption (New Zealand) detected in Antarctic ice at ~ 230 CE by Piva, Stephen B., Barker, Simon J., Iverson, Nels A., Winton, V. Holly L., Bertler, Nancy A. N., Sigl, Michael, Wilson, Colin J. N., Dunbar, Nelia W., Kurbatov, Andrei V., Carter, Lionel, Charlier, Bruce L. A., Newnham, Rewi M.

“…Chemical anomalies in polar ice core records are frequently linked to volcanism; however, without the presence of (crypto)tephra particles, links to specific…”
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Growth of volcanic ash aggregates in the presence of liquid water and ice: an experimental approach by Van Eaton, Alexa R., Muirhead, James D., Wilson, Colin J. N., Cimarelli, Corrado

“…Key processes influencing the aggregation of volcanic ash and hydrometeors are examined with an experimental method employing vibratory pan aggregation…”
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Fine-scale temporal recovery, reconstruction and evolution of a post-supereruption magmatic system by Barker, Simon J., Wilson, Colin J. N., Allan, Aidan S. R., Schipper, C. Ian

“…Supereruptions (>10 15 kg ≈ 450 km 3 of ejected magma) have received much attention because of the challenges in explaining how and over what time intervals…”
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Contrasting pyroclast density spectra from subaerial and submarine silicic eruptions in the Kermadec arc: implications for eruption processes and dredge sampling by Barker, Simon J., Rotella, Melissa D., Wilson, Colin J. N., Wright, Ian C., Wysoczanski, Richard J.

“…Pyroclastic deposits from four caldera volcanoes in the Kermadec arc have been sampled from subaerial sections (Raoul and Macauley) and by dredging from the…”
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Highly vesicular pumice generated by buoyant detachment of magma in subaqueous volcanism by Rotella, Melissa D., Wilson, Colin J. N., Barker, Simon J., Wright, Ian C.

“…Deposits of highly vesicular pumice that blanket submarine volcanoes are often attributed to explosive eruptions. Density and textural analysis of clasts…”
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Eruptive and environmental processes recorded by diatoms in volcanically dispersed lake sediments from the Taupo Volcanic Zone, New Zealand by Harper, Margaret A, Pledger, Shirley A, Smith, Euan G. C, Van Eaton, Alexa R, Wilson, Colin J. N

“…Late Pleistocene diatomaceous sediment was widely dispersed along with volcanic ash (tephra) across and beyond New Zealand by the 25.4 ka Oruanui supereruption…”
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From mush to eruption in centuries: assembly of the super-sized Oruanui magma body by Allan, Aidan S. R., Morgan, Daniel J., Wilson, Colin J. N., Millet, Marc-Alban

“…The magmatic systems that give rise to voluminous crystal-poor rhyolite magma bodies can be considered to operate on two contrasting timescales: Those governed…”
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A cascade of magmatic events during the assembly and eruption of a super-sized magma body by Allan, Aidan. S. R., Barker, Simon J., Millet, Marc-Alban, Morgan, Daniel J., Rooyakkers, Shane M., Schipper, C. Ian, Wilson, Colin J. N.

“…We use comprehensive geochemical and petrological records from whole-rock samples, crystals, matrix glasses and melt inclusions to derive an integrated picture…”
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A sulfur and halogen budget for the large magmatic system beneath Taupō volcano by Sharpe, Max S., Barker, Simon J., Rooyakkers, Shane M., Wilson, Colin J. N., Chambefort, Isabelle, Rowe, Michael C., Schipper, C. Ian, Charlier, Bruce L. A.

“…The transport and degassing pathways of volatiles through large silicic magmatic systems are central to understanding geothermal fluid compositions, ore…”
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Volcanic Unrest at Taupō Volcano in 2019: Causes, Mechanisms and Implications by Finnigan Illsley‐Kemp, Simon J. Barker, Colin J. N. Wilson, Calum J. Chamberlain, Sigrún Hreinsdóttir, Susan Ellis, Ian J. Hamling, Martha K. Savage, Eleanor R. H. Mestel, Fabian B. Wadsworth

“…Abstract Taupō volcano, New Zealand, is a large caldera volcano that has been highly active through the Holocene. It most recently erupted ∼1,800 years ago but…”
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New Zealand supereruption provides time marker for the Last Glacial Maximum in Antarctica by Dunbar, Nelia W., Iverson, Nels A., Van Eaton, Alexa R., Sigl, Michael, Alloway, Brent V., Kurbatov, Andrei V., Mastin, Larry G., McConnell, Joseph R., Wilson, Colin J. N.

“…Multiple, independent time markers are essential to correlate sediment and ice cores from the terrestrial, marine and glacial realms. These records constrain…”
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Tracking Magma‐Crust‐Fluid Interactions at High Temporal Resolution: Oxygen Isotopes in Young Silicic Magmas of the Taupō Volcanic Zone by Rooyakkers, Shane M., Faure, Kevin, Chambefort, Isabelle, Barker, Simon J., Elms, Hannah C., Wilson, Colin J. N., Charlier, Bruce L. A.

“…Oxygen isotopes are useful for tracing interactions between magmas, crustal rocks and surface‐derived waters. We use them here to consider links between…”
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Evacuation of multiple magma bodies and the onset of caldera collapse in a supereruption, captured in glass and mineral compositions by Swallow, Elliot J., Wilson, Colin J. N., Myers, Madison L., Wallace, Paul J., Collins, Katie S., Smith, Euan G. C.

“…Complexities in the nature of large-scale silicic eruptions and their magmatic systems can be discerned through micro-analytical geochemical studies. We…”
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Wiggle-match radiocarbon dating of the Taupo eruption by Hogg, Alan G., Wilson, Colin J. N., Lowe, David J., Turney, Chris S. M., White, Paul, Lorrey, Andrew M., Manning, Sturt W., Palmer, Jonathan G., Bury, Sarah, Brown, Julie, Southon, John, Petchey, Fiona

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The Mesozoic terrane boundary beneath the Taupo Volcanic Zone, New Zealand, and potential controls on geothermal system characteristics by Milicich, Sarah D., Mortimer, Nick, Villamor, Pilar, Wilson, Colin J. N., Chambefort, Isabelle, Sagar, Matt W., Ireland, Trevor R.

“…The Taupo Volcanic Zone (TVZ) in the central North Island of New Zealand lies across the boundary formed in the late Mesozoic between two major basement…”
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Melt pockets in phenocrysts and decompression rates of silicic magmas before fragmentation by Liu, Yang, Anderson, Alfred T., Wilson, Colin J. N.

“…A new method is presented to estimate the decompression rate of silicic magma prior to fragmentation and is applicable to rates of 1–100 kPa/s. This method…”
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Textural and micro-analytical insights into mafic–felsic interactions during the Oruanui eruption, Taupo by Rooyakkers, Shane M., Wilson, Colin J. N., Schipper, C. Ian, Barker, Simon J., Allan, Aidan S. R.

“…Quenched juvenile mafic inclusions (enclaves) are an occasional but informative component in the deposits of large felsic eruptions. Typically, the…”
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Palaeotemperature determinations for the 1.8-ka Taupo ignimbrite, New Zealand, and implications for the emplacement history of a high-velocity pyroclastic flow by MCCLELLAND, Elizabeth, WILSON, Colin J. N, BARDOT, Leon

“…Palaeomagnetic data from lithic clasts collected at 46 sites within layers 1 and 2 of the 1.8-ka Taupo ignimbrite, New Zealand, have been used to determine the…”
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The nature, origins and distribution of ash aggregates in a large-scale wet eruption deposit: Oruanui, New Zealand by Van Eaton, Alexa R., Wilson, Colin J.N.

“…This study documents the processes and products of volcanic ash aggregation in phreatomagmatic phases of the 25.4ka Oruanui supereruption from Taupo volcano,…”
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Diverse patterns of ascent, degassing, and eruption of rhyolite magma during the 1.8 ka Taupo eruption, New Zealand: Evidence from clast vesicularity by Houghton, Bruce F., Carey, Rebecca J., Cashman, Katharine V., Wilson, Colin J.N., Hobden, Barbara J., Hammer, Julia E.

“…The 22 km 3 (DRE) 1.8 ka Taupo eruption ejected chemically uniform rhyolite in a wide range of eruptive styles and intensities. The 7 eruptive units include…”
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