The most pronounced structural feature is the Wasatch Fault scarp that runs along the range front and is responsible for the uplift of the Wasatch Mountains.

The mouth of Little Cottonwood Canyon is one of the most famous geologic locations in the world. Here a number of geologic features merge defining the recent geologic history of the Wasatch Mountains and the Salt Lake Valley. The blue line traces part of the Wasatch Fault which runs north south at the base of the Wasatch Mountains and is directly responsible for their very existence. The fault offsets recent glacial sediments (lateral and terminal moraines) dated at 16,000 years. The blue line is omitted in the area of the moraines so that the detailed offsets of the these sediments are more visible.

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