ABSTRACT The Beypazarı Granitoid is an arc-related intrusion in the Central Pontides, Turkey. This study presents apatite fission track (AFT) ages of the intrusion to shed some light on collision-related cooling/exhumation history of the central Pontides. The AFT ages from different altitudes (506–805-1110 metres above sea level) of the Beypazarı Granitoid yield around 65 ± 3 Ma. This indicates a rapid cooling/exhumation for the intrusion around 65 Ma, which is attributed to the commencement of the collision event in the region. Integration of these ages and low-temperature thermochronology literature suggests a progressive collision propagation towards the margins of the collision system.

中文翻译：

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Beypazarı Granitoid 的磷灰石裂变径迹测年：对土耳其北部新特提斯山脉碰撞开始的洞察

摘要 Beypazarı Granitoid 是土耳其中央庞蒂德斯的一个弧形侵入体。这项研究展示了侵入体的磷灰石裂变径迹 (AFT) 年龄，以揭示中央庞蒂德斯与碰撞相关的冷却/剥脱历史。Beypazarı Granitoid 的不同高度（海拔 506-805-1110 米）的 AFT 年龄约为 65 ± 3 Ma。这表明 65 Ma 附近的侵入物迅速冷却/剥脱，这归因于该地区碰撞事件的开始。这些年龄和低温热年代学文献的整合表明碰撞系统的边缘逐渐传播。