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Leadville Limestone and Yule Marble 
Ordinary limestone turns into Colorado's State Rock 
Colorado’s Official State Rock, Yule Marble was created by heat from the Treasure Mountain laccolith. The white area in the image to the right is the dump for non-commercial fragments of the quarry operation.
 
This pure, white stone was used in the Tomb of the Unknowns and the Lincoln Memorial.

Watch a
YouTube video on Yule Marble produced by the Colorado Geological Survey. 
 
 
 




 
Last Updated: 10/31/2012 4:26 PM 
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