Roadside Geology of Arizona
Author: Halka Chronic
Details: 321 pages
Description: The rise of mountains and the spread of deserts has marked the geologic history of Arizona. Landscapes that we see here today are here because of landscapes of the past, and because of tremendous forces deep within the earth, forces that carry continents into collisions then drag them apart again, forces of heat and pressure and the slow churning boil of the earth's interior. Landscape features result, too, from more comprehensible, more recent forces: the uneding attack of water and wind and frost, the building of volcanes, the short-term geologic happenings like landslides and rockfalls, earthquakes and floods, and a gopher digging a hole...