Keyword Analysis & Research: castle rock colorado volcano

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What type of volcano is Castle Rock?

Castle Rock is part of the Pacific Ring of Fire that includes over 160 active volcanoes and is in the Klastline Group, Northern Cordilleran Volcanic Province and last erupted in the Pleistocene.

Where is Castle Rock located on a map?

Castle Rock. Location in Colorado. Castle Rock is a butte in the Colorado Piedmont region of the Great Plains. An area landmark, it is located in as well as the namesake of the town of Castle Rock, Colorado.

What type of rock is Castle Rock made of?

The butte's caprock consists of rhyolite, rock which is strongly resistant to erosion. About 37 million years ago, a volcanic eruption took place that covered the area around Castle Rock with 20 feet (6.1 m) of rhyolite.

What is the Castle Rock Conglomerate?

Below the Castle Rock Conglomerate is Dawson Arkose, a feldspar-rich sandstone. The ash and tuff from the Mount Princeton eruption was falling on what had been an accumulation of sand, an alluvial fan created by the continued erosion of the then existing Rocky Mountains.

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