Results 111 to 120 of about 1,147,354 (242)

Role of mechanical erosion in controlling the effusion rate of basaltic eruptions

Geophysical Research Letters, 2016
In many basaltic eruptions, observations show that the effusion rate of magma has a typical dependence on time: the effusion rate curves show first a period of increasing and later a decreasing phase by a maximum value. We present a model to explain this
Antonello Piombo, Andrea Tallarico, Michele Dragoni   +2 more
doaj   +1 more source

The shallow magma chamber of Stromboli Volcano (Italy)

Geophysical Research Letters, 2017
In this work, we integrate artificial and natural seismic sources data to obtain high‐resolution images of the shallow inner structure of Stromboli Volcano. Overall, we used a total of 21,953 P readings from an active seismic experiment and an additional
D. Patanè, G. Barberi, P. De Gori, O. Cocina, L. Zuccarello, A. Garcia‐Yeguas, M. Castellano, A. D'Alessandro, T. Sgroi   +8 more
doaj   +1 more source

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Coupled Geodynamical‐Geochemical Perspectives on the Generation and Composition of Mid‐Ocean Ridge Basalts

Geochemistry, Geophysics, Geosystems
Owing to their abundance and relative availability on Earth's seafloor, mid‐ocean ridge basalts (MORBs) have a well‐defined chemical element budget, reflected by the low standard deviation associated with typical normal MORB (N‐MORB) composition. However,
Thomas Duvernay, Shihao Jiang, Patrick W. Ball, D. Rhodri Davies   +3 more
doaj   +1 more source

Origin of calcite by magma mixing in mingled rocks of the Ghansura Rhyolite Dome, Bathani volcano-sedimentary sequence, eastern India

Mineralogia
The Ghansura Rhyolite Dome (GRD) is an integral part of the Bathani volcano-sedimentary sequence (BVSs), which in turn is a vital component of the Chotanagpur Granite Gneiss Complex (CGGC), eastern India.
Gogoi Bibhuti, Basumatary Pallabi
doaj   +1 more source

Magma chamber evolution during the 1650 AD Kolumbo eruption provides clues about past and future volcanic activity. [PDF]

Sci Rep, 2020
Konstantinou KI.
europepmc   +1 more source

Monomineralic anorthosites in layered intrusions are indicators of the magma chamber replenishment by plagioclase-only-saturated melts. [PDF]

Sci Rep, 2020
Latypov R, Chistyakova S, Costin G, Namur O, Barnes S, Kruger W.   +5 more
europepmc   +1 more source

Plagioclase as recorder of magma chamber processes in the Deccan Traps: Sr-isotope zoning and implications for Deccan eruptive event

, 2014
Deccan Trap flood basalt volcanism reached its peak 65.5(±1)millionyears ago, giving rise to a 2.7km thick lava pile that formed the Western Ghats range near Mumbai.
Wolff, John A., Chandrasekharam, D., Borges, Melory R., Sen, Gautam, Hart, Garret L.   +4 more
core   +1 more source

THE SHALLOW MAGMA CHAMBER OF STROMBOLI

, 2017
AbstractIn this work, we integrate artificial and natural seismic sources data to obtain high‐resolution images of the shallow inner structure of Stromboli Volcano. Overall, we used a total of 21,953 P readings from an active seismic experiment and an additional 2731 P and 992 S readings deriving from 269 local events.
Araceli García-Yeguas, Luciano Zuccarello, P. De Gori, Mario Castellano, Antonino D'Alessandro, Tiziana Sgroi, Domenico Patanè, Domenico Patanè, Graziella Barberi, Ornella Cocina   +9 more
openaire   +1 more source

Merensky-type platinum deposits and a reappraisal of magma chamber paradigms. [PDF]

Sci Rep, 2019
Chistyakova S, Latypov R, Hunt EJ, Barnes S.   +3 more
europepmc   +1 more source