Alkaline metabasalts in the Paleozoic basement of the Peloritani Mountains (Sicily): New petrographic and geochemical data

Francesco Guerrera, Diego Puglisi, Kadosa Balogh

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3 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)133-141
Number of pages9
JournalGiornale di Geologia
Issue number61
Publication statusPublished - Dec 1 1999

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Keywords

  • Calabria-Peloritani arc
  • Metabasalts
  • Paleozoic basement

ASJC Scopus subject areas

  • Oceanography
  • Geology

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