The Volcano Adventure Guide: Excellent information and background for anyone wishing to visit active volcanoes safely and enjoyably. The book presents guidelines to visiting 42 different volcanoes around the world.
The Santa Clara volcanic field is volcanic area north of St. George in SW Utah, which has been active since abaout 4 million years ago. It contains numerous cinder cones and lava flows. The Santa Clara lava flow was erupted from 2 young cider cones above Snow Canyon about 10-20,000 years ago and is one of the youngest lava flows in the Colorado Plateau/Basin and Range region. The almost unvegetated lava flow extends 16 km to the south down Snow Canyon, excavated through rocks of the colorful Navajo Sandstone.
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