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A Geoscience Digital Image Library

972.jpg
TitleGranitic dike cutting Black Canyon Gneiss, U.S. 50 roadcut near Black Canyon of the Gunnison National Park, Colorado
DescriptionThe granitic dike shown here is about 0.5 meters thick. It is intruding the Precambrian Black Canyon Gneiss. Sunglasses (for scale) are just below the dike in the center of the picture.
ChronostratigraphyPrecambrian
LocationUSA ▹ Colorado ▹ Gunnison. Near Gunnison. Near Black Canyon of the Gunnison National Park, US 50 roadcut.
PhotographerDexter Perkins. 2001-06-29.
CollectionE181030992F-10.
Key wordsdike, gneiss
Tech details684 KB. Vista. Cannon EOS Rebel 55mm. Kodak Elite Chrome 100 ASA.
GeoDIL number972