Geothermics of the Apenninic subduction | Zendy

Paolo Harabaglia | Zendy; F. Mongelli | Zendy; G. Zito | Zendy

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Geothermics of the Apenninic subduction

Author(s) -

Paolo Harabaglia,

F. Mongelli,

G. Zito

Publication year - 1997

Publication title -

annals of geophysics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.394

H-Index - 60

eISSN - 2037-416X

pISSN - 1593-5213

DOI - 10.4401/ag-3869

Subject(s) - geology , foreland basin , subduction , accretionary wedge , geothermal gradient , back arc basin , slab , arc (geometry) , seismology , prism , petrology , geophysics , tectonics , geometry , physics , mathematics , optics

The subduction of the Adriatic microplate is analysed from a geothermal point of view. In particular four main geodynamic units are distinguished: foreland, foredeep and slab, accretionary prism, and back-arc basin. Each of them is examined from a geothermal point of view and the related open question are discussed. The most relevant results are the determination of the undisturbed geothermal gradient in the aquifer of the foreland; the discovery of a « hot » accretionary prism; and a new model of instantaneous extension of the back-arc basins. The main conclusion is that geothermal data are consistent with a westward dipping subduction that migrated eastward producing a sequence of several episodes at the surface

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