http://www.cnr.it/ontology/cnr/individuo/prodotto/ID29834

Magma chambers and localization of deformation during thrusting. (Articolo in rivista)

Type

Label

Magma chambers and localization of deformation during thrusting. (Articolo in rivista) (literal)

Anno

Alternative label

Montanari D.; Corti G.; Simakin A. (2010)
Magma chambers and localization of deformation during thrusting.
in TERRA nova (Print)
(literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

Pagina inizio

Pagina fine

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume

Rivista

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note

Note

Titolo

Abstract

We present the results of coupled analogue and numerical models that provide new insights into the relationships between volcanoes and thrusts. The effects of both upper-crustal magma chambers and the load of volcanoes on the geometry of thrust systems were investigated. Analogue modelling points to a strong influence exerted by a magma chamber on thrust geometry, which, as suggested by the numerical models used to rationalize these results, is related to the stress redistribution around the weak heterogeneity. The low-viscosity body below a volcanic edifice localizes compressional deformation and causes a curvature of the thrusts towards the magma chamber, opposite to the direction of tectonic transport. In these conditions, the volcanic load has a negligible effect on the structural geometry. These results are in contrast with those of previous studies, where intrusions or the load of major volcanoes generated a curvature of the thrusts away from volcanic edifices in the direction of tectonic transport. (literal)

Prodotto di