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Magma Differentiation in Dynamic Mush Domains From the Perspective of Multivariate Statistics: Open- Versus Closed-System Evolution
Pontesilli A., Di Fiore F., Scarlato P., Ellis B., Del Bello E., Andronico D., Taddeucci J., Brenna M., Nazzari M., Bachmann O., Mollo S.
Open-conduit conditions characterize several of the most hazardous and active volcanic systems of basaltic composition worldwide, persistently refilled by magmatic inputs. Eruptive products with similar bulk compositions, chemically buffered by continual...
Experimental insights on the shear-induced crystallization of a phonotephrite magma
Di Fiore F., Vona A., Mollo S., Nazzari M., Giordano G., Romano C.
In active volcanic environments, magmas that ascend within the conduit and erupt at the surface as lava flows experience physico-chemical perturbations related to temperature changes and variable degrees of deformation. We have conducted experimental...
The formation and growth mechanisms of young back-arc spreading ridges from high-resolution bathymetry: The Marsili Seamount (Tyrrhenian Sea, Italy)
Nicotra E., Passaro S., Ventura G.
The formation and growth mechanisms of Mid-Ocean Ridges (MOR) are relatively well known, whereas those of back-arc spreading ridges are comparatively less known because geophysical, geochemical, and morphological data are scarce and of low density. Here...
PROMETHEUS: Probability in the Mediterranean of Tephra dispersal for various grain sizes. A tool for the evaluation of the completeness of the volcanic record in medial-distal archives.
Billotta E., Sulpizio R., Selva J., Costa A., Bebbington M.
PROMETHEUS is a statistical tool that allows creating maps showing the probability of finding tephra deposits of different grain sizes, originating from eruptions of a specific volcanic source, at any location around the vent. It couples wind profiles...
Surveying volcanic crises exercises: From open-question questionnaires to a prototype checklist
Massaro S., Sandri L., Geyer A., Cristiani C., Nave R., Barsotti S., Loughlin S., Puglisi G.
Volcanic crisis exercises are usually run to test response capabilities, communication protocols, and decision-making procedures by agencies with responsibilities to cope with scenarios of volcanic unrest with inherent uncertainty, such as volcano observatories...