The hardened lava flow to the north of SP Crater in Arizona is between 4,000 and 71,000 years old. The Basalt lava extends some 4 miles (6 kilometers) from the cinder cone, and is about 100 feet (30 meters) thick.
Tuesday, March 1, 2011
Paisley shaped Lava Flow
Basalt Lava Flow | Cinder Cone Volcano | SP Crater & San Francisco Volcanic Field | Our Amazing Planet:
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