tailieunhanh - Geochemical and isotopic constraints on petrogenesis of the beypazarı granitoid, NW Ankara, Western Central Anatolia, Turkey

The Upper Cretaceous Beypazarı granitoid of the western Ankara, Turkey, is composed of two diff erent units, on the basis of petrography and geochemical composition; these are granodiorite and diorite. The granitoid is subalkaline, belonging to the high-K calc-alkaline I-type granite series, which have relatively low initial 87Sr/86Sr ratios (–). | Geochemical and isotopic constraints on petrogenesis of the beypazarı granitoid, NW Ankara, Western Central Anatolia, Turkey

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