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Petrology of plagiogranite from Sjenica, Dinaridic Ophiolite Belt (southwestern Serbia)

Geologica Carpathica, Apr 2012, Vol.63(2), p.97 [Peer Reviewed Journal]

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  • Title:
    Petrology of plagiogranite from Sjenica, Dinaridic Ophiolite Belt (southwestern Serbia)
  • Author: Milovan Ovic, Dragan ; Sreckovic-Batocanin, Danica ; Savic, Marija ; Popovic, Dana
  • Found In: Geologica Carpathica, Apr 2012, Vol.63(2), p.97 [Peer Reviewed Journal]
  • Subjects: Geology
  • Language: English
  • Description: Petrology of plagiogranite from Sjenica, Dinaridic Ophiolite Belt (southwestern Serbia) The Sjenica plagiogranite occurs in the southern part of the Dinaridic Ophiolite Belt, 5 km northwest of Sjenica. The main minerals are albite with strongly altered biotite (replaced with chlorite), with occasional amphibole (magnesio hornblende to tschermakite) and quartz. An enclave of fine-grained granitic rocks with garnet grains was noted too. Secondary minerals are calcite and chlorite (daphnite). Major, trace and REE geochemistry coupled with field observations support a model by which the Sjenica plagiogranite could be formed by fractional crystallization of mantle origin mafic magma in a supra-subduction zone setting. Occurrences of calcite and chlorite nests in the Sjenica plagiogranites revealed that these rocks underwent hydrothermal alteration due to intensive sea water circulation in a sub-sea-floor environment.
  • Identifier: ISSN: 13350552 ; E-ISSN: 13368052 ; DOI: 10.2478/v10096-012-0008-4

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