COLLABORATIVE RESEARCH: Tertiary Detachment and Magmatism, Milford Area, Utah

塞维尔沙漠分离是犹他州西部一个主要的新生代低角度正断层，记录偏移超过30公里。这个断层向南延伸的范围是未知的；因此，有几种可能的解释，包括深部剥离的继续，位移转移到另一个低角度正断层或被转换断层终止。这个合作项目将调查米尔福德地区，该地区位于已知拆离范围的南部，以确定哪种模型最能解释断层位移的变化，并确定共同评估岩浆作用在伸展构造中发挥作用的程度。研究结果解决了位移终止机制和岩浆作用，将适用于广泛的伸展构造环境。

The Sevier Desert Detachment is a major Cenozoic low-angle normal fault in western Utah that has documented offset of more than 30 kilometers. The extension of this fault to the south is unknown; therefore, there are several possible explanations, including continuation of he detachment at depth, transfer of displacement to another low-angle normal fault or termination by a transform fault. This collaboration project will investigate the Milford area, immediately south of the known extent of the detachment to determine which model most closely explains how the fault displacement varies and also to determine to what degree co-eval magmatism plays a part in extensional tectonics. Results address displacement termination mechanisms and role of magmatism which will be applicable to a wide range of extensional tectonic settings.