Two Types of Leucogranites from the Branisko Mts.: Geotectonic Implications | Szegedi Tudományegyetem, Ásványtani, Geokémiai és Kőzettani Tanszék

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Two Types of Leucogranites from the Branisko Mts.: Geotectonic Implications

Reference:
Acta Mineralogica-Petrographica, Szeged 2005, Vol. 46, pp. 53-61

Szerző:
Katarína Bónová
Igor Broska
Stanislav Jacko

Abstract:
Leucocratic granites are widespread mainly in the southern part of the Patria crystalline basement of the Branisko Mts. The major and trace element geochemistry indicates their crustal source. Monazites from leucogranites were investigated by electron microprobe dating in order to record the age of magma emplacement. EMPA dating yielded age 342±15 for leucocratic granites forming a part of granite pluton in Patria complex and 386±19 Ma for leucocratic granites originated by partial anatexis during MP metamorphism during early Variscan collisional events. Younger leucocratic granites have been formed by crystal fractionation within main Meso-Hercynian (350-330 Ma) period as a part of S-type granite suite of the Western Carpathian basement complexes. It belongs to the Upper lithotectonic unit in sense of Bezák et al. (1997).

 

Letöltés

 

acta2005, EMPA dating, geochemistry, geochronology, leucogranite, the Branisko Mts., Western Carpathians

 

 




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