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Arizona is known as the Copper State because it produces two-thirds of US copper annually. Laramide copper porphyry deposits are common around Tucson and include the Twin Buttes, Sierrita-Esperanza, Rosemont, Silver Bell and Mission-Pima mines, as well as the historical Ajo mine to the west.
The research program was moved to Flagstaff, Arizona (starting in December 1962 and completed in 1963). Flagstaff was chosen as the location due to its proximity to Meteor Crater and the volcanic craters and lava flows of the San Francisco volcanic field. [3] Shoemaker retired from the USGS in 1993.
Flagstaff (/ ˈ f l æ ɡ. s t æ f / FLAG-staf) is the county seat of Coconino County, Arizona, in the southwestern United States. As of the 2020 United States census, the city's population was 76,831. Flagstaff is the principal city of the Flagstaff metropolitan area, which includes all of Coconino County, and has a population of
The San Francisco volcanic field is an area of volcanoes in northern Arizona, north of Flagstaff, US. The field covers 1,800 square miles (4,700 km 2 ) of the southern boundary of the Colorado Plateau .
Sunset Crater is a cinder cone located north of Flagstaff in the U.S. state of Arizona. The crater is within the Sunset Crater Volcano National Monument. Sunset Crater is the youngest in a string of volcanoes (the San Francisco volcanic field) that is related to the nearby San Francisco Peaks. [6]
Humphreys Peak (Hopi: Aaloosaktukwi, Navajo: Dookʼoʼoosłííd "its summit never melts" [5]) is the highest natural point and the second most prominent peak after Mount Graham in the U.S. state of Arizona, [6] with an elevation of 12,633 feet (3,851 m) [1] and is located within the Kachina Peaks Wilderness in the Coconino National Forest, about 11 miles (17.7 km) north of Flagstaff, Arizona.
The Picture Canyon Natural and Cultural Preserve is an archaeological site and a nature preserve open to the public year-round, located in northeast Flagstaff, Arizona. [2] The preserve is used for educating the community about ecology, geology and archaeology along with general outdoor recreation. History
S P Crater is a cinder cone volcano in the San Francisco volcanic field, 25 miles (40 km) north of Flagstaff, Arizona, United States. [4] It is surrounded by several other cinder cones which are older and more eroded. It is a striking feature on the local landscape, with a well-defined lava flow that extends for 4.3 miles (7 km) to the north. [5]