Results 201 to 210 of about 23,785 (261)

Source reservoir controls on the size, frequency, and composition of large-scale volcanic eruptions. [PDF]

Sci Adv
Booth CA, Jackson MD, Sparks RSJ, Rust AC.   +3 more
europepmc   +1 more source

Probing the world's largest oceanic plateau: from making to collision. [PDF]

Natl Sci Rev
Jiang X, Li ZX, Gong W, Xing L, Li D, Liu H, Xu C.   +6 more
europepmc   +1 more source

Unveiling magmatic structures and connectivity beneath the lunar Oceanus Procellarum region from GRAIL gravity data. [PDF]

Nat Commun
Geng M, Yang Q, Kasmi C, Welford JK, Peace AL.   +4 more
europepmc   +1 more source

Genetic–exposome axis orchestrates cardiac motion patterns

Kalaie S, Vadgama N, Zheng J, Curran L, McGurk KA, Corianò M, Rjoob K, Gifani P, Meng Q, Bai W, Bender C, O’Regan DP.   +11 more
europepmc   +1 more source

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Processes in magma chambers

Deep Sea Research Part B. Oceanographic Literature Review, 1981
One of the major limitations in dealing with subvolcanic and plutonic magmatic processes is the inaccessibility of actifre magma chambers. Although this has the advantage of allowing scope for imagination and speculation, untrammelled by too many physical constraints, most igneous petrologists would dearly like to know what magma chambers ...
openaire   +2 more sources

Making magma chambers from mush

Science, 2017
Volcanology Shallow magma chambers either erupt as volcanoes or solidify as intrusive magma bodies. These magma bodies are traditionally considered to be long-lived and dominated by melt. Cashman et al. review the evidence that shallow magma chambers are actually assembled quickly from much larger, crystal-rich transcrustal magmatic systems.
openaire   +2 more sources

Dynamics of magma withdrawal from stratified magma chambers

Geology, 1986
The time history of magma withdrawal through a central vent from a flat-roofed chamber strongly stratified in density and viscosity has been numerically modeled. Important parameters include the geometry of the reservoir; the initial vertical compositional profile; the ratio of viscous, inertial, and gravitational forces; and the basal normal stress ...
Frank J. Spera, David A. Yuen, John C. Greer, Granville Sewell   +3 more
openaire   +1 more source

Mid‐ocean ridge magma chambers

Journal of Geophysical Research: Solid Earth, 1992
Geophysical evidence precludes the existence of a large, mainly molten magma chamber beneath portions of the East Pacific Rise (EPR). A reasonable model, consistent with these data, involves a thin (tens to hundreds of meters high), narrow (<1–2 km wide) melt lens overlying a zone of crystal mush that is in turn surrounded by a transition zone of ...
John M. Sinton, Robert S. Detrick
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Vibro-agitation of chambered magma

Journal of Volcanology and Geothermal Research, 2007
Abstract We present the results of a novel set of calculations into the effect of in situ pressure reduction of a crystal-rich, basaltic magma layer by propagating seismic (P) waves. Three stages in the process are identified. Critically, an instability can arise such that a low pressure melt layer develops close to the floor in initially densely ...
M. Davis, M.A. Koenders, N. Petford
openaire   +1 more source

The Beginning: Mafic Magmas Invading Felsic Magma Chambers

2021
The initial stages of magma interaction, i.e. the moment at which the two magmas come into contact, is a crucial point since the fate of magma mixing and its development in space and time largely depend on the outcome of this first encounter. In this chapter we discuss the possible fluid dynamic and thermodynamic processes developing during the ...
openaire   +1 more source