Geology of Arizona - Wikipedia
Southern Arizona was uplifted and experienced volcanic eruptions, which deposited high silica ash to the north as the Chinle Formation, which created the petrified wood of Petrified Forest …
Geologic Map of Arizona
Rocks of this map unit are largely restricted to six areas widely distributed in Arizona: San Francisco and Uinkaret volcanic fields in northern Arizona (0-4 Ma); Springerville (0-4 Ma) and …
The Geologic Origin of the Sonoran Desert - Arizona-Sonora …
The Sonoran Desert's southeastern edge is defined by Mexico's Sierra Madre Occidental, a tall, mountainous accumulation of 30-million-year-old volcanic rocks, which stand exposed in the …
Interactive map of the geology of Arizona | American …
The Arizona Geological Survey's website hosts an interactive map of the geology of Arizona. Users can select individual units to see brief descriptions, as well as stratigraphic relationships …
Map & Database Services - AZGS
A StoryMap tour of 30 prominent geologic and archaeological features near Flagstaff, Arizona
Two very different types of landscapes occur in Arizona: the Basin and Range Province of southwestern Arizona and the Colorado Plateau Province of northern Arizona, with a …
Geoheritage Tour of Southern Arizona | e-Magazine of the AZ Geological …
Sep 26, 2018 · Our new interactive Geoheritage Tour of Southern Arizona showcases a handful of the spectacular geologic feature within easy driving distance of downtown Tucson. Geologic …
Geologic map of the Tucson Mountains Caldera, southern Arizona
Jan 1, 1993 · Geologic map of the Tucson Mountains Caldera, southern Arizona. DOI. 10.3133/i2205. Authors. P. W. Lipman. Publication Type. Report. Publication Subtype. USGS …
Geology of the Tucson Mountains - U.S. National Park Service
Jan 19, 2024 · How it Came to Be. The oldest rocks found in the area, although not directly in the park, are granites and metamorphic rocks that represent the original crust of Southern …
Earth Fissures, Subsidence & Karst in Arizona - AZGS
Earth Fissures in South-Central Arizona. Some arid valleys of central and southeastern Arizona are home to earth fissures: pervasive cracks that occur on valley floors that result from basin …