Search Results - "Cas, R.A.F."

The initiation and development of a caldera-forming Plinian eruption (172ka Lower Pumice 2 eruption, Santorini, Greece) by Simmons, J.M., Cas, R.A.F., Druitt, T.H., Carey, R.J.

“…The rhyodacitic 172ka Lower Pumice 2 (LP2) eruption terminated the first magmatic cycle at Santorini (Greece), producing a proximal <50m thick succession of…”
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Causes of complexity in a fallout dominated plinian eruption sequence: 312 ka Fasnia Member, Diego Hernández Formation, Tenerife, Spain by Edgar, C.J., Cas, R.A.F., Olin, P.H., Wolff, J.A., Martí, J., Simmons, J.M.

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Complex variations during a caldera-forming Plinian eruption, including precursor deposits, thick pumice fallout, co-ignimbrite breccias and climactic lag breccias: The 184 ka Lower Pumice 1 eruption sequence, Santorini, Greece by Simmonsa, J M, Casa, RAF, Druittc, TH, Folkesa, C B

“…The 184 ka Lower Pumice 1 eruption sequence records a complex history of eruption behaviours denoted by two significant eruptive phases: (1) a minor precursor…”
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The late Quaternary Diego Hernandez Formation, Tenerife: Volcanology of a complex cycle of voluminous explosive phonolitic eruptions by Edgar, C.J., Wolff, J.A., Olin, P.H., Nichols, H.J., Pittari, A., Cas, R.A.F., Reiners, P.W., Spell, T.L., Martí, J.

“…The Diego Hernandez Formation (DHF; 600–ca. 180 ka) represents the products of the most recent complete cycle of phonolitic explosive volcanism on Tenerife…”
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The implications of spatter, pumice and lithic clast rich proximal co-ignimbrite lag breccias on the dynamics of caldera forming eruptions: The 151 ka Sutri eruption, Vico Volcano, Central Italy by Bear, A.N., Cas, R.A.F., Giordano, G.

“…The 151 ka Sutri Formation, erupted from the Vico Volcano, Central Italy, represents a caldera forming eruptive sequence consisting of associated pyroclastic…”
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Eruption processes and facies architecture of the Orion Central kimberlite volcanic complex, Fort à la Corne, Saskatchewan; kimberlite mass flow deposits in a sedimentary basin by Pittari, A., Cas, R.A.F., Lefebvre, N., Robey, J., Kurszlaukis, S., Webb, K.

“…The Fort à la Corne diamondiferous kimberlite field consists of at least 70 bodies of volcaniclastic kimberlite, hosted within a contemporaneous non-volcanic…”
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Age constraints on recycled crustal and supracrustal sources of Archaean metasedimentary sequences, Eastern Goldfields Province, Western Australia: evidence from SHRIMP zircon dating by Krapez, B, Brown, S.J.A, Hand, J, Barley, M.E, Cas, R.A.F

“…SHRIMP U–Pb zircon dating of sedimentary, volcanic and subvolcanic-intrusive rocks from unconformity bounded sequences in the Eastern Goldfields Province…”
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A complex Quaternary ignimbrite-forming phonolitic eruption: the Poris Member of the Diego Hernández Formation (Tenerife, Canary Islands) by Edgar, C.J, Wolff, J.A, Nichols, H.J, Cas, R.A.F, Martı́, J

“…The Poris Member (0.28 Ma) of the Diego Hernández Formation (Tenerife, Canary Islands) is a widespread succession of plinian fall, surge and non-welded…”
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Rhyolitic fallout and pyroclastic density current deposits from a phreatoplinian eruption in the eastern Aegean Sea, Greece by Allen, S.R, Cas, R.A.F

“…The Kos Plateau Tuff consists of pyroclastic deposits from a major Quaternary explosive rhyolitic eruption, centred about 10 km south of the island of Kos in…”
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Atmospheric and hydrothermal sulfur isotope signatures recorded in Neoarchean deep marine sedimentary pyrites from the Yilgarn Craton, Western Australia by Chen, M., Campbell, I.H., Ávila, J.N., Tian, W., Hayman, P.C., Cas, R.A.F., Ireland, T.R.

“…We report in-situ multiple sulfur isotope analyses for pyrites from deep marine sediments that are interbedded with ∼ 2.7 Ga greenstone lava flows in the…”
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Differentiated Archean dolerites; igneous and emplacement processes that enhance prospectivity for orogenic gold by Hayman, P. C, Campbell, I. H, Cas, R. A. F, Squire, R. J, Doutch, D, Outhwaite, M

“…Magnetite-bearing granophyre and quartz dolerite are the evolved fractions of differentiated dolerite (diabase) sills and are an important host to Archean gold…”
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Complex evolution of volcanic arcs: The lithofacies and palaeogeography of the Cambrian Stavely Arc, Delamerian Fold Belt, Western Victoria by Bowman, N.H., van Otterloo, J., Cairns, C.P., Taylor, D.H., Cas, R.A.F.

“…The Mount Stavely Volcanic Complex is a Cambrian greenstone belt in western Victoria (Australia), which formed as a continental arc during subduction of the…”
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Causes of complexity in a fallout dominated plinian eruption sequence: 312ka Fasnia Member, Diego Hernández Formation, Tenerife, Spain by Edgar, C.J., Cas, R.A.F., Olin, P.H., Wolff, J.A., Martí, J., Simmons, J.M.

“…The 312ka Fasnia eruption from the Las Cañadas Caldera on Tenerife, Canary Islands, Spain, produced a complex sequence of twenty-two intercalated units,…”
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Using thermal remanent magnetisation (TRM) to distinguish block and ash flow and debris flow deposits, and to estimate their emplacement temperature: 1991–1995 lava dome eruption at Mt. Unzen Volcano, Japan by Uehara, D., Cas, R.A.F., Folkes, C., Takarada, S., Oda, H., Porreca, M.

“…The 1991–1995 Mt. Unzen eruption (Kyushu, Japan) produced 13 lava domes, approximately 9400 block and ash pyroclastic flows (BAF) resulting from lava dome…”
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The origin of a large (>3km) maar volcano by coalescence of multiple shallow craters: Lake Purrumbete maar, southeastern Australia by Jordan, S.C., Cas, R.A.F., Hayman, P.C.

“…Lake Purrumbete maar is located in the intraplate, monogenetic Newer Volcanics Province in southeastern Australia. The extremely large crater of 3000m in…”
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The eruption, pyroclastic flow behaviour, and caldera in-filling processes of the extremely large volume (>1290km3), intra- to extra-caldera, Permian Ora (Ignimbrite) Formation, Southern Alps, Italy by Willcock, M.A.W., Cas, R.A.F., Giordano, G., Morelli, C.

“…The Permian Ora Formation (277–274Ma) preserves the products of the Ora caldera ‘super-eruption’, Northern Italy. The stratigraphic architecture of the…”
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Complex variations during a caldera-forming Plinian eruption, including precursor deposits, thick pumice fallout, co-ignimbrite breccias and climactic lag breccias: The 184ka Lower Pumice 1 eruption sequence, Santorini, Greece by Simmons, J.M., Cas, R.A.F., Druitt, T.H., Folkes, C.B.

“…The 184ka Lower Pumice 1 eruption sequence records a complex history of eruption behaviours denoted by two significant eruptive phases: (1) a minor precursor…”
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2.7 Ga plume associated VHMS mineralization in the Eastern Goldfields Superterrane, Yilgarn Craton: Insights from the low temperature and shallow water, Ag-Zn-(Au) Nimbus deposit by Hollis, S.P., Mole, D.R., Gillespie, P., Barnes, S.J., Tessalina, S., Cas, R.A.F., Hildrew, C., Pumphrey, A., Goodz, M.D., Caruso, S., Yeats, C.J., Verbeeten, A., Belford, S.M., Wyche, S., Martin, L.A.J.

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High magma decompression rates at the peak of a violent caldera-forming eruption (Lower Pumice 1 eruption, Santorini, Greece) by Simmons, J. M., Carey, R. J., Cas, R.A.F., Druitt, T. H.

“…We use the deposit sequence resulting from the first catastrophic caldera collapse event recorded at Santorini (associated with 184 ka Lower Pumice 1…”
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A geophysical comparison of the diatremes of simple and complex maar volcanoes, Newer Volcanics Province, south-eastern Australia by Blaikie, T.N., Ailleres, L., Betts, P.G., Cas, R.A.F.

“…Geophysical modelling techniques are applied to examine and compare the subsurface morphology of maar volcanoes within the Newer Volcanics Province to better…”
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