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首页> 外文期刊>Journal of Asian earth sciences >The Ductile Shear Zone In Granitoid Of The Central Anatolian Crystalline Complex, Turkey: Implications For The Origins Of The Tuzgoelue Basin During The Late Cretaceous Extensional Deformation
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The Ductile Shear Zone In Granitoid Of The Central Anatolian Crystalline Complex, Turkey: Implications For The Origins Of The Tuzgoelue Basin During The Late Cretaceous Extensional Deformation

机译：土耳其中部安纳托利亚结晶群的花岗岩中的韧性剪切带：对晚白垩世伸展形变期间Tuzgoelue盆地成因的启示

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摘要

The Emizoezue shear zone is the west-northwest-trending ductile shear zone within the Agacoeren granitoid in central Turkey. Deformation that affected the granitoid along the Emizozii shear zone resulted in mylonites with mylonitic foliation and stretching lineation. The textural features of the deformed minerals suggest that mylonitization occurred under conditions of upper greenschist facies. The shear indicators, including asymmetric porphyroclasts, oblique foliation, and shear bands, suggest a down-dip (top-to-the-southwest) displacement. The orientation of stretching lineation, as well as kinematic indicators, indicates the extensional character of the Emizoezue shear zone. Although it is not precisely dated, the available age constraints suggest that the zone formed at 78-71 Ma. According to field and micro-structural data, the Agacoeren granitoid was most likely emplaced during a regional deformation in central Turkey, and synchronously or shortly after was overprinted by the extensional Emizoezue shear zone. The zone can also be correlated with the earlier stage development of the Tuzgoelue basin in central Turkey.
机译：Emizoezue剪切带是土耳其中部Agacoeren花岗岩内的西-西北趋势韧性剪切带。影响沿Emizozii剪切带的花岗岩的变形，导致了具有mylonitic叶面和伸展线的mylonite。变形矿物的组织特征表明，在上部绿片岩相的条件下发生了髓鞘化。剪切指标，包括不对称的卟啉弹性体，斜叶和剪切带，表明下倾位移（从上到西南）。拉伸线的方向以及运动学指示符指示了Emizoezue剪切带的延伸特征。尽管日期不准确，但可用的年龄限制表明该区域形成于78-71 Ma。根据现场和微观结构数据，Agacoeren花岗岩很可能是在土耳其中部地区变形期间发生的，并且在延伸的Emizoezue剪切带叠印后同步或不久出现。该区域还可以与土耳其中部的Tuzgoelue盆地的早期开发相关。

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