Utah Geological Survey

 

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SALT LAKE CITY OVERLOOK TRAIL

index map

cross-section
salt lake overlook trail geologic map
The most prominent rocks are the Pennsylvanian-Permian Weber Quartzite (IPw) marine sandstones overlain by gray limestones of the Permian Park City Formation Map Units. The south slope of Mill Creek Canyon is built-up of thrust fault slices; thrust faults are a dark black line with "saw-teeth" on the top slice Faults. Erosion removed the Park City Formation limestone from the top slice except for an occassional erosional remnant called a "Klippe". The Salt Lake Overlook Trail passes through a Klippe. Evidence of a thrust fault on the trail consists of Weber Quartzite and Park City Formation rocks together in a zone of iron-stained crushed rock Fault Evidence.

Church Fork from Salt Lake overlook Trail

View to the north from the Salt Lake Overlook Trail showing Church Fork and rock formation outcrops.

Salt Lake Trail overlook cross section diagram salt lake overlook trail

Salt Lake City looking west from the Salt Lake Overlook Trail.

A thrust fault follows Mill Creek Canyon (see cross-section diagram).

The prominant rock is Pennsylvanian/Permian-age Weber Quartzite. The Sevier Orogeny folded and tilted the rock to the north and northeast.

The "East Bench Fault" in the valley is a strand of the Wasatch fault.
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