Part of the San Francisco Peaks in northern Arizona
For other uses, see San Francisco (disambiguation).
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 km2) of the southern boundary of the Colorado Plateau. The field contains 600 volcanoes ranging in age from nearly 6 million years old to less than 1,000 years (Miocene to Holocene), of which Sunset Crater is the youngest.[1] The highest peak in the field is Humphreys Peak, at Flagstaff's northern perimeter: the peak is Arizona's highest at 12,633 feet (3,851 m) and is a part of the San Francisco Peaks, an active[2] stratovolcano complex.
^Holm, RF; Moore, RB (1987). "Holocene scoria cone and lava flows at Sunset Crater, northern Arizona". Geological Society of America Centennial Field Guide. pp. 393–97.
^"The San Francisco Volcanic Field, Arizona | USGS Fact Sheet 017-01". April 21, 2008. Archived from the original on April 21, 2008. Retrieved November 9, 2022.
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are a volcanic mountain range in the SanFranciscovolcanicfield in north central Arizona, just north of Flagstaff and a remnant of the former San Francisco...
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the most notable feature on the Coconino Plateau between the SanFranciscovolcanicfield and the Grand Canyon. Its base is formed of sandstones of the...
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Peak or Kendrick Mountain is one of the highest peaks in the SanFranciscovolcanicfield north of the city of Flagstaff in the U.S. State of Arizona and...
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neighboring Kendrick Peak, this mountain is volcanic in origin, forming a part of the SanFranciscoVolcanicField. It is a series of overlapping lava domes...
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ascribed to the actions of a volcanic steam explosion, because the SanFranciscovolcanicfield lies only about 40 mi (64 km) to the West. In 1891, mineralogist...