Petrographic and geochemical data on some metavolcanic rocks of the crystalline basement, located in the Peloritani Mountains (Sicily), indicate an alkaline character of the magmatic event and an affinity with within-plate basalt type. The studied rocks are related to other volcanic products attributed to Devovian magmatic events, already known in the Peloritani Mountains, and they are interpreted as the result of a magmatism occurred during extensional processes. The obtained data testify that, after emplacement during Carboniferous times, these volcanic products have been affected by low-pressure greenschist facies metamorphism, as a consequence of the Hercynian compression. A K/Ar dating of about 323-347 My, measured for the whole rock, could tentatively be related to this Hercynian metamorphic events.
|Number of pages||9|
|Journal||Giornale di Geologia|
|Publication status||Published - Dec 1 1999|
- Calabria-Peloritani arc
- Paleozoic basement
ASJC Scopus subject areas