Mineralogy and Mineral Chemistry of Variscan Granitoids from Highi Mts. (Apuseni Mts., Romania) | Szegedi Tudományegyetem, Ásványtani, Geokémiai és Kőzettani Tanszék

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Mai névnapok:

Emil, Csanád

Mineralogy and Mineral Chemistry of Variscan Granitoids from Highi Mts. (Apuseni Mts., Romania)

Reference:
Acta Mineralogica-Petrographica, Szeged 2004, Vol. 45/2, pp. 49-54

Szerző:
Pál-Molnár Elemér
Kassay Zsombor
András Eduárd
Dr. Kóbor Balázs

Abstract:
The Apuseni Mts. is built up by nappe systems of continental crust origin (Apusenides), and oceanic crust related nappe systems (Transilvanides). The Apusenides were formed during the pre-Gosau tectogenesis and are built up by the autochthonous Bihor Unit and two overthrust units: the Codru and Biharia Nappe Systems, which contain granitoid intrusions of Variscan age. These major Alpine tectonic units are represented in the Highis Mts. by the Fini Nappe (Codru Nappe System) and the Highis-Muncel Nappe (Biharia Nappe System). The granitoid rocks of the two nappe systems differ significantly: the intrusions of the Codru Nappe System are syenogranites of calc-alkali character with biotite of high Mg and low AlVI content, accompanied by primary and secondary muscovites, while those of the Biharia Nappe System are syenogranites of subalkali character, with biotites of low Mg content, and primary muscovites. Fig. 1. The location of the Highi Mts.

 

Letöltés

 

acta2004, Apuseni Mts., Biharia Nappe System, Codru Nappe System, Highis Mts., mineral chemistry, Romania, Variscan granitoids

 

 

 

 




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