The Evolution Of The Monte Vulture Volcano (Southern Italy)- Inferences From Volcanological, Geological And Deep Dipole Electrical Soundings Data

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Journal Article: The Evolution Of The Monte Vulture Volcano (Southern Italy)- Inferences From Volcanological, Geological And Deep Dipole Electrical Soundings Data

Abstract
The activity of Monte Vulture started in the Middle Pleistocene; stratigraphic evidence suggests that the volcanic events may have occurred in the following succession: (1) formation of widespread pyroclastic pumice deposits; (2) sporadic and localized explosive and minor extrusive eruptions; (3) highly explosive eruptions with the formation of some tuff cones and of the oldest part of the Monte Vulture central volcano; and (4) activity at the central volcano, initially mainly explosive and successively increasingly effusive. The western part of the composite volcano, and probably also its summit part were affected by caldera collapses. The volcanic activity ended with hydromagmatic explosion, which formed two explosion craters. Monte Vulture was built up on the external units of the Southern Apennines at the western border of the foretrough. The upper part of the sedimentary substratum consists mainly of clayey formations of the Lagonegro and Sannitic units. Beneath these terrains radiolarites and cherty-limestones of the Lagonegro units outcrop west of Monte Vulture. Rocks of the Apulia carbonate platform were drilled east of the volcano. Deep dipole electrical soundings showed a resistant basement at a depth ranging from 0.2 km down to 4.3 km beneath Monte Vulture. Volcanological, geological and geoelectrical data allow us to hypothesize that: (a) the magma chamber could be located at the boundary between the rigid resistant basement and the overlying conductive plastic terrains; (b) the Apulia carbonate platform forms a structural high beneath the Monte Vulture; and (c) the overthrusting of the Lagonegro units on the Apulia platform may be located beneath the floors of the calderas of Monte Vulture.

Authors 
L. La Volpe, D. Patella, L. Rapisardi and A. Tramacere








Published Journal 
Journal of Volcanology and Geothermal Research, 1984





DOI 
Not Provided
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Citation

L. La Volpe,D. Patella,L. Rapisardi,A. Tramacere. 1984. The Evolution Of The Monte Vulture Volcano (Southern Italy)- Inferences From Volcanological, Geological And Deep Dipole Electrical Soundings Data. Journal of Volcanology and Geothermal Research. (!) .