Archive - Contact Metamorphism
July 23, 2017
Each Sunday we present a notable item from our archives. This EPOD was originally published July 14, 2003.
Provided and copyright by: Jack Carlson
Summary author: Jack Carlson
The rock above likely demonstrates contact metamorphism -- an igneous/granitic side and a gneiss side. The granitic side includes pink feldspar and some large quartz crystals. This rock was found near the North Supply Road in the Never Summer Range, which is west of Rocky Mountain National Park at about 10,500 feet (3,200 m) elevation. [Revised July 2017]
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