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GEOLOGY AND PETROGRAPHY OF OYMAAÐAÇ (BEYPAZARI ANKARA) GRANITOID

Year 2003, Volume: 16 Issue: 2, 299 - 308, 06.08.2010

Abstract

ABSTRACT

The study area comprises a part of the Beypazarı granitoids and is exposed in Oymaağaç and its vicinity, appoximately to 50 km south of Beypazarı (Ankara).On the basis of field observation and petrographical features, the granitoid is differentiated into Oymaağaç granodiorite, İsmailkayası granodiorite, Tavuktaşı granodiorite and Çayırpınar alkali feldspar granite. The latter forms the youngest unit, cutting all the other subunits in the form of aplitic dykes. The abudance of amphibole minerals decrease from Oymaağaç granodiorite at the rim of the pluton towards İsmailkayası and Tavuktaşı granodiorite at the inner part of the pluton respectively. Mafic microgranular enclaves are observed within Oymaağaç granodiorite, İsmailkayası granodiorite and Tavuktaşı granodiorite and their compositions change from diorite to quartz diorite and monzodiorite respectively. Acicular apatite, poiklitic megacrysts of feldspars and sharp contact with the host rock are the main common features of the mafic enclaves, suggesting magma mixing/mingling origin for the enclaves.

 

Key Words: Beypazarı, oymaağaç, granite, enclave, petrography

Year 2003, Volume: 16 Issue: 2, 299 - 308, 06.08.2010

Abstract

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Details

Primary Language English
Journal Section Civil Engineering
Authors

Oğuz Zoroğlu

Yusuf Kadığolu This is me

Publication Date August 6, 2010
Published in Issue Year 2003 Volume: 16 Issue: 2

Cite

APA Zoroğlu, O., & Kadığolu, Y. (2010). GEOLOGY AND PETROGRAPHY OF OYMAAÐAÇ (BEYPAZARI ANKARA) GRANITOID. Gazi University Journal of Science, 16(2), 299-308.
AMA Zoroğlu O, Kadığolu Y. GEOLOGY AND PETROGRAPHY OF OYMAAÐAÇ (BEYPAZARI ANKARA) GRANITOID. Gazi University Journal of Science. August 2010;16(2):299-308.
Chicago Zoroğlu, Oğuz, and Yusuf Kadığolu. “GEOLOGY AND PETROGRAPHY OF OYMAAÐAÇ (BEYPAZARI ANKARA) GRANITOID”. Gazi University Journal of Science 16, no. 2 (August 2010): 299-308.
EndNote Zoroğlu O, Kadığolu Y (August 1, 2010) GEOLOGY AND PETROGRAPHY OF OYMAAÐAÇ (BEYPAZARI ANKARA) GRANITOID. Gazi University Journal of Science 16 2 299–308.
IEEE O. Zoroğlu and Y. Kadığolu, “GEOLOGY AND PETROGRAPHY OF OYMAAÐAÇ (BEYPAZARI ANKARA) GRANITOID”, Gazi University Journal of Science, vol. 16, no. 2, pp. 299–308, 2010.
ISNAD Zoroğlu, Oğuz - Kadığolu, Yusuf. “GEOLOGY AND PETROGRAPHY OF OYMAAÐAÇ (BEYPAZARI ANKARA) GRANITOID”. Gazi University Journal of Science 16/2 (August 2010), 299-308.
JAMA Zoroğlu O, Kadığolu Y. GEOLOGY AND PETROGRAPHY OF OYMAAÐAÇ (BEYPAZARI ANKARA) GRANITOID. Gazi University Journal of Science. 2010;16:299–308.
MLA Zoroğlu, Oğuz and Yusuf Kadığolu. “GEOLOGY AND PETROGRAPHY OF OYMAAÐAÇ (BEYPAZARI ANKARA) GRANITOID”. Gazi University Journal of Science, vol. 16, no. 2, 2010, pp. 299-08.
Vancouver Zoroğlu O, Kadığolu Y. GEOLOGY AND PETROGRAPHY OF OYMAAÐAÇ (BEYPAZARI ANKARA) GRANITOID. Gazi University Journal of Science. 2010;16(2):299-308.