Results 161 to 170 of about 392,695 (199)

Influence of geometry on eruptive behaviour of magma reservoirs

2021
<p>All active polygenetic volcanoes erupt magma sourced from a shallow crustal reservoir.  Those chambers are complex entities that act as a collector of magma originating from deeper crustal sources. The geometry of those active storage systems depends on the rheology of the magma and on the rock properties of the host ...
Martin Letourneur, John O'Sullivan, Darren Gravley, Guilherme Gualda, David Dempsey   +4 more
openaire   +1 more source

Interfacial turbulent mixing in stratified magma reservoirs

Journal of Volcanology and Geothermal Research, 1996
Abstract We analyse the interfacial turbulent mixing of molten magmas in a two-layer stratified convecting magma chamber. We examine situations where convection is driven by the heat and/or compositional flux associated with the melting of a solid boundary.
Cardoso, SSS, Woods, AW
openaire   +1 more source

Rates of magma ascent and depths of magma reservoirs beneath La Palma (Canary Islands)

Terra Nova, 1997
Peridotitic mantle xenoliths from historic and prehistoric eruptions on La Palma show many similarities. Prolonged reactions of the xenoliths with their host magmas have been used to place constraints on the magma transport system beneath the island. All xenoliths show crystalline selvages and 0.9–2.6 mm wide diffusion zones in olivine along most of ...
Andreas Klügel, Thor H. Hansteen, Hans‐Ulrich Schmincke   +2 more
openaire   +1 more source

Implications of Magma Transfer Between Multiple Reservoirs on Eruption Cycling

Science, 2008
Volcanic eruptions are episodic despite being supplied by melt at a nearly constant rate. We used histories of magma efflux and surface deformation to geodetically image magma transfer within the deep crustal plumbing of the Soufrière Hills volcano on Montserrat, West Indies.
Elsworth, Derek, Mattioli, Glen, Taron, Joshua, Voight, Barry, Herd, Richard   +4 more
openaire   +3 more sources

Locating the Auckland Volcanic Field's magma reservoir through magma pathway retrogression

The Auckland Volcanic Field (AVF) consists of ~53 volcanoes, distributed over an area of ~ 360 km2. Located within the AVF is Auckland City, New Zealand’s largest population centre (~1.7M people), highlighting the need to adequately model future pre-eruption scenarios for enhanced preparedness.
Eleonora Rivalta, Lorenzo Mantiloni, Geoff Kilgour, Sigrún Hreinsdóttir, Jennifer Eccles, Ian Hamling, Michael Rowe   +6 more
openaire   +1 more source

TIME SCALES AND TEMPERATURES OF CRYSTAL STORAGE IN MAGMA RESERVOIRS: IMPLICATIONS FOR MAGMA RESERVOIR DYNAMICS

Geological Society of America Abstracts with Programs, 2018
Kari M. Cooper, Kevin L. Schrecengost, Tyler Schlieder, Richard W. Bradshaw, Adam J.R. Kent, Christian Huber   +5 more
openaire   +1 more source

Copper-mineralised porphyries sample the evolution of a large-volume silicic magma reservoir from rapid assembly to solidification

Earth and Planetary Science Letters, 2021
Marcel Guillong, A von Quadt
exaly  

Magma Reservoir and Magmatic Feeding System Beneath Hakone Volcano, Central Japan, Revealed by Highly Resolved Velocity Structure

Journal of Geophysical Research: Solid Earth, 2021
Ryou Honda, Yohie Yukutake, Yuki Abe
exaly  

A Large Magma Reservoir Beneath the Tengchong Volcano Revealed by Ambient Noise Adjoint Tomography

Journal of Geophysical Research: Solid Earth, 2021
Zhen Guo, Yinjian Zhao
exaly  

Anatomy of the magma reservoir

Nature, 1989
openaire   +1 more source