PointofInterestRoadSigns.com - Sherman Mountains Sign

 

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 Welcome to Point of Interest Road Signs! A collection of photos of road and trail signs.  Click here for more Wyoming Signs

 

Sherman Mountains

 

Location of sign -  Located in the median of Interstate 80 between Cheyenne and Laramie.

 

Photo taken July 2007

Sherman Mountains Sign

Photo courtesy of Jimmy Wayne

 

Text of sign:

 

Sherman Mountains

 

The Sherman Mountains are erosional remnants rising above the general surface of the Laramie Range.  The flat topped 

characteristic of the range resulted from beveling during an ancient erosion cycle.  Bedrock here is made of pink feldspar, glassy

quartz, black mica and hornblende, which originated deep in the earth's crust over a billion years ago.

 

The peculiar rock forms of the Sherman Mountains are controlled by three sets of joints, or planes of weakness, cutting the granite

and dividing it into large blocks.  Weathering has rounded off corners and has enlarged joint planes, resulting in irregular blocky 

rock masses, many of which are capped by balanced rocks.

 

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