Yapay Zeka Hızlı Bakış & Çıkarımlar
AI InsightKayaçlar, granüler, mikrografik ve poikilitik doku sunmaktadır
📌 3 Maddede Bu Makale
Özet
Aksaray İli, Sarıyahşi İlçesi’ne bağlı Yaylak Köyü mevkiinde yüzeyleyen Ortaköy granitoyidi tonalit, granit, granodiyoritlerden meydana gelmektedir. Üst Kretase ( Maestrihtiyen-Kampaniyen) öncesi yaşlı kayaç grubu Kaman metamorfitlerini intrüzif dokanakla keserek bölgeye yerleşmiştir. Kayaçlar, granüler, mikrografik ve poikilitik doku sunmaktadır
Abstract
The Ortaköy granitoid, which crops out near the Yaylak Village of the Sarıyahşi Township of the Aksaray Province, consists of intrusive rocks of tonalite, granite, and granodiorite composition. The Ortaköy granitoid was emplaced within the Late Cretaceous (Maastrichtian–Campanian)Kamanmetamorphics. Intrusive rocks display granular, micrographic, and poikilitic textures. Granites consist of quartz, plagioclase, orthoclase, biotite, and hornblende, and lesser amounts of zircon, apatite, epidote, and muscovite, whereas granitoids mainly contain quartz, plagioclase, orthoclase, hornblende, biotite, and subordinate zircon, apatite, sphene, and chlorite. Tonalitic rocks, on the other hand, are characterized by a mineral assemblage of plagioclase, quartz, orthoclase, and biotite. The intrusive rocks of the region are geochemically of I-type, calc-alkaline, metaluminous to peraluminous (A/CNK = 0,9–1,1) volcanic arc granites that were formed through fractional crystallization of a single magmatic source. On a mid-ocean ridge granite-normalized (ORGnormalized) trace element diagram, they show enrichments in large ion lithophile elements (LILE) such as K, Rb, Ba, and Th, and have similar abundances of immobile elements including Ta, Nb, Hf, Zr, Sm, Y, and Yb with ORGs. Negative Ta anomalies observed in these rocks indicate the role of subduction and crustal contamination processes involved in their formation