SUPERSTITION MOUNTAINS, ARIZONA
AZGS geoscientist, Dr. Charles Ferguson, is a structural geologist with a knack for capturing fantastic geologic scenes. His mapping in the Superstition Mountains resulted in several geologic products -- see below -- and some marvelous photographs. Here is a small sampling of his images.
Detail of the snout of a rhyolite lava flow draped by nonwelded ash-flow tuffs, looking northeast across Fish Creek Canyon from top of Coronado Mesa.