Geocronologia e Paleomagnetismo del Vulcano Roccamonfina

M. CORTILI, N. ROBERTI, R. SCANDONE

Abstract


A detailed K-Ar and paleomagnetic study was made
on the oldest outcropping lavas of the Roccamonfina volcano.
The very first episodes of volcanism were concentrated at around
1 M.Y., whereas most of the activity occurred between 0.4 and 0.5 M.Y.
After the formation of a caldera a second cycle of volcanism started at
0.25 M.Y. The paleomagnetic measurements indicate an episode of normal
polarity at 1.10 + 0.05 M.Yr. The occurrence of this episode was suggested
by Watkins (14) in 1968. There is no evidence of other magnetic events
on younger rocks.

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References


DOI: https://doi.org/10.4401/ag-4895
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Published by INGV, Istituto Nazionale di Geofisica e Vulcanologia - ISSN: 2037-416X