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.
Macro shot of bedded nonwelded rhyolitic ash-flow tuff with a bomb sag. In which direction was the bomb traveling, from right or left?