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Magmatic underplating, extension, and crustal reequilibration: Insights from a cross-section through the Ivrea Zone and Strona-Ceneri Zone, northern Italy

Henk, A. and Franz, L. and Teufel, S. and Oncken, O.. (1997) Magmatic underplating, extension, and crustal reequilibration: Insights from a cross-section through the Ivrea Zone and Strona-Ceneri Zone, northern Italy. The Journal of Geology, 105 (3). pp. 367-377.

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Official URL: https://edoc.unibas.ch/81545/

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Abstract

The thermal impact of magmatic underplating at various crustal levels is studied along a traverse through the Ivrea-Verbano Zone and Strona-Ceneri Zone in northern Italy. Geochronological and petrologic data are compared to a two-dimensional thermal-kinematic model. Field data and numerical simulation show the strong disturbance of the temperature field in the lower and intermediate crust in relation to magmatic underplating leading to granulite- to amphibolite-facies metamorphism as well as reequilibration of mineral chemical and isotopic systems. Magmatic underplating leaves a crust with an apparently heterogeneous tectonometamorphic evolution, as information on the earlier history is preserved only at upper crustal levels.
Faculties and Departments:05 Faculty of Science > Departement Umweltwissenschaften > Ehemalige Einheiten Umweltwissenschaften > Theoretische Petrologie (De Capitani)
UniBasel Contributors:Franz, Leander
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:University of Chicago Press
ISSN:0022-1376
e-ISSN:1537-5269
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:12 Apr 2021 13:55
Deposited On:12 Apr 2021 13:55

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