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Composition and correlation criteria of the rhyolitic ignimbrites in the Monts Dore volcanic field (France) [PDF]
BSGF - Earth Sciences Bulletin, 2016 Rhyolitic pyroclastic deposits, mostly ignimbrites (ash-and-pumice flow deposits) from plinian eruptions belonging to the early activity (> 2.5 Ma) of the Plio-Quaternary Monts Dore volcanic field (Massif central, France) are documented in order to ...
Bourdier Jean-Louis +3 more
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Localization features of pyrite-polymetallic ores of the Tushkanikhinskoye deposit (Rudny Altai)
Руды и металлы, 2022 The Tushkanikhinskoye deposit is confined to the Devonian basalt-bearing rhyolite calcareous-siliceous-terrigenous formation, which is represented by sedimentary, volcano-sedimentary, sedimentary-volcanogenic, pyroclastic, volcanic rocks of felsic and ...
Tatiana V. Seravina +4 more
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Characteristics and properties of Bitlis ignimbrites and their environmental implications
Materiales de Construccion, 2020 Bitlis rock is used as a construction material and comes from the lava emitted by volcanoes and their subsequent transformation into ignimbrites. This type of rocks has been characterized physically, chemically, toxicologically and radioactively using ...
E. Işık +4 more
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The Magnitude of the 39.8 ka Campanian Ignimbrite Eruption, Italy: Method, Uncertainties and Errors
Frontiers in Earth Science, 2020 The calculation of the magnitude of an eruption needs the accurate estimate of its deposit volume. This is particularly critical for ignimbrites as no methods for their volume calculations and associated errors and uncertainties are consolidated in the ...
Aurora Silleni +4 more
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Paleoproterozoic felsic volcanism of Iricoumé group, Erepecuru-Trombetas domain, Amazonian central province: Field and petrographic characterization and Pb-Pb zircon geochronology [PDF]
Geologia USP. Série Científica, 2013 The Iricoumé group consists of very well preserved pyroclastic and effusive volcanic rocks as a part of an extensive volcano-plutonic event, which marked the central part of the Amazonian craton during the Orosirian. Such rocks occur in the southern part
Lúcia Travassos da Rosa Costa +3 more
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Geological Magazine, 1967 With reference to recognition by P. C. Aw of the Temangan dike as an ignimbrite (see this Bibliography Vol. 31, No. 8, 10 E67-07201), it is pointed out that rocks mapped as quartz porphyry in other Malayan localities are probably also ignimbrites. The fissure in which the Temangan dike is located is considered part of a major structural element which ...
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Frontiers in Earth Science, 2019 The Kamchatka Peninsula of eastern Russia is currently one of the most volcanically active areas on Earth where a combination of >8 cm/yr subduction convergence rate and thick continental crust generates large silicic magma chambers, reflected by ...
Ilya N. Bindeman +8 more
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Frontiers in Earth Science, 2015 Super-eruptions generating hundreds of cubic kilometres of pyroclastic density currents are commonly recorded by thick, welded and lava-like ignimbrites.
Yan eLavallée +11 more
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Nature, 1961 A FIELD and laboratory study of the Ordovician ignimbrites of North Wales that has been in progress since 19531–3 has revealed certain limitations in Marshall's original hypothesis4 regarding the origin of this interesting category of rocks. These limitations have been apparent to workers elsewhere5–8.
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Frontiers in Earth Science, 2018 Textural and chemical differences in coeval rhyolitic effusive and explosive eruptions are commonly observed, and numerical models predict different timescales for the eruption of crystal-rich mushes versus crystal-poor magmas. We compare quartz zonation
Susanne Seitz +6 more
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