Neotectonics of the Shargyn Basin, western Mongolia


My undergraduate thesis. Western Mongolia has experienced four of the largest strike-slip earthquakes in recorded history. The Gobi-Altai fault system is a 500km long left-lateral slip zone. The Altai fault system is a 1000km long right-lateral slip zone. Combined these fault systems accomodate 10-15% of the shortening in the Indo-Eurasian collision. At the intersection, complex kinematics have created a 150 x 100km basin, called the Shargyn Basin. I propose an explanation for the kinematics of the ongoing formation of the basin. The main source of data is a 3 month field season in Mongolia.

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