Authors:
Elemér Pál-Molnár Department of Mineralogy, Geochemistry and Petrology, University of Szeged H-6701 Szeged, P.O. Box 651, Hungary

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Gyöngyi Lelkes-Felvári Hungarian Natural History Museum H-1083 Budapest, Ludovika tér 2, Hungary

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Anikó Batki Department of Mineralogy, Geochemistry and Petrology, University of Szeged H-6701 Szeged, P.O. Box 651, Hungary

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Raffaele Sassi Department of Mineralogy, University of Padova I-35122 Padova, Corso Garibaldi 37, Italy

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Core samples of metamorphic rocks from the Sarkadkeresztúr Basement High (Békés-Codru Unit, Tisza Mega-unit) were examined, consisting mainly of two-feldspar augengneiss, garnet-andalusite-staurolite-bearing micaschist and paragneiss. The protolith of the plagioclase-microcline-augengneiss was found to be S-type granite (syenogranite) of unknown age. According to the major element analyses the protoliths of the studied metagranitoids of this basement can be classified as a syenogranite of metaluminous and peraluminous character displaying subalkaline affinity and a calcic granitic composition. The REE patterns are characterized by a slight enrichment of the light REEs and negative Eu and Yb anomalies. On the basis of discrimination diagrams for major and trace elements, the studied rocks were formed in a syn-collisional (continent-continent collision zone) tectonic environment. The low-pressure amphibolite facies metamorphism, which affected this basement, can be assigned to the Variscan.

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Acta Geologica Hungarica
Language English
Size  
Year of
Foundation
1952
Publication
Programme
changed title
Volumes
per Year
 
Issues
per Year
 
Founder Magyar Tudományos Akadémia  
Founder's
Address
H-1051 Budapest, Hungary, Széchenyi István tér 9.
Publisher Akadémiai Kiadó
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5278 (Print)
ISSN 1588-2594 (Online)

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