Results 201 to 210 of about 18,299,024 (255)

Mantle Versus Crustal Contributions in Crustal-Scale Magmatic Systems (Sesia Magmatic System, Northern Italy) From Coupling Hf Isotopes and Numerical Modelling [PDF]

open access: yesContributions To Mineralogy and Petrology, 2021
The growth and evolution of crustal-scale magmatic systems play a key role in the generation of the continental crust, the largest eruptions on Earth, and the formation of metal resources vital to our society.
Silvano Sinigoi   +2 more
exaly   +4 more sources

Magmatic Sulfide Immiscibility at an Active Magmatic-Hydrothermal System: The Case of La Fossa (Vulcano, Italy) [PDF]

open access: yesJournal of Volcanology and Geothermal Research, 2018
Magmatic sulfide minerals preserved in fresh volcanic rocks can be used to trace sulfur and chalcophile element evolution in magmatic systems and to constrain the potential magmatic contribution to ore-forming fluids.
Federico Di Traglia   +2 more
exaly   +2 more sources

Anatomy of an Extinct Magmatic System Along a Divergent Plate Boundary: Alftafjordur, Iceland

open access: yesGeophysical Research Letters, 2015
Recent rifting episodes highlight the role of magmatic systems with propagating dikes on crustal spreading. However, our knowledge of magmatic systems is usually limited to surface observations and geophysical data.
Massimiliano Porreca   +2 more
exaly   +2 more sources
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The Sesia Magmatic System

Journal of the Virtual Explorer, 2010
The Ivrea-Verbano Zone (IVZ) and Serie dei Laghi (SdL) of northwest Italy, are two lithostratigraphic units that constitute the deep- and the middle- to upper-crustal components, respectively, of a tilted and exposed section through the pre-Alpine crust of northwest Italy.
Silvano Sinigoi   +3 more
openaire   +3 more sources

Volatiles in Magmatic-Volcanic Systems

Elements, 2005
The abundance and flux of volatiles are important to the hazards associated with explosive volcanic eruptions. Volatiles in magmas can be determined from investigations of melt and fluid inclusions in combination with volatile solubility data. A comparison of the newly determined solubilities of H2O, SO2, and Cl in a molten Vesuvius phonolite with the ...
DE VIVO, BENEDETTO   +2 more
openaire   +2 more sources

Dynamics of Magmatic Systems

Elements, 2006
An intimate physical and chemical interplay between crystals and melt in magmatic systems gives rise to a vast diversity of igneous rocks and the very structure of terrestrial planets. Yet the actual physical means by which this happens is unclear. The long-standing notion of crystals nucleating, growing, and settling ad infinitum from the interior of ...
openaire   +1 more source

Subduction systems and magmatism

Geological Society, London, Special Publications, 1994
Abstract Most published subduction modelling and much palaeotectonic speculation incorporate the false assumption that subducting oceanic plates slide down fixed slots. In fact, hinges roll back into oceanic plates and slabs sink more steeply than the inclinations of the Benioff zones which define transient ...
openaire   +1 more source

Experiments on Magmatic Model Systems

2020
Experimental investigations in high-temperature quenching furnaces have provided invaluable contributions to our understanding of the parameters that control the crystallisation of minerals, mineral assemblages and rocks, especially from silicate liquids.
Martin Okrusch, Hartwig E. Frimmel
openaire   +1 more source

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