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Geology of National Parks, 3D and Photographic Tours

Lake Mead National Recreation Area
Location Map Granitic (aplite) dikes and sills cut through older Precambrian-age metamorphic rocks (schist and gneiss) throughout bedrock exposures in the Willow Beach Marina area. This outcrop is in the vicinity of an abandoned RV park in the wash about a quarter-mile upstream from the marina.
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