The medium-grained gabbro of the Jabuka Islet ("Scoglio del Pomo', Adriatic Sea)

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8 Citations (Scopus)

Abstract

The Jabuka islet, entirely formed by igneous rocks, is located within the Mesozoic succession of the Adriatic Foreland. Jabuka rocks are mostly represented by an intrusion of a two-clinopyroxene medium-gained gabbro which would derive from the crystallization of a slightly differentiated subalkaline magma. The coinciding K/Ar isochron ages of about 200 Ma, measured for different mineral fractions, should roughly reflect the latest stage of crystallization of the gabbroic intrusion. Geological and chronological data, petrography and mineral chemistry of the Jabuka gabbro support a tectono-magmatic hypothesis of a subalkaline ensialic intrusion during the early extensional processes of the continental crust occurred since middle Triassic in the western Tethys. -from Authors

Original languageEnglish
Pages (from-to)13-25
Number of pages13
JournalGiornale di Geologia
Volume56
Issue number2
Publication statusPublished - 1994

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gabbro
crystallization
mineral
Tethys
petrography
igneous rock
clinopyroxene
continental crust
Triassic
magma
rock
sea

ASJC Scopus subject areas

  • Geology
  • Oceanography

Cite this

The medium-grained gabbro of the Jabuka Islet ("Scoglio del Pomo', Adriatic Sea). / Balogh, K.

In: Giornale di Geologia, Vol. 56, No. 2, 1994, p. 13-25.

Research output: Contribution to journalArticle

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