Northern Arizona's San Francisco Volcanic Field, much of which lies within Coconino and Kaibab National Forests, is an area of young volcanoes along the southern margin of the Colorado Plateau. Darunter befindet sich auch der von uns besuchte, knapp 300 m hohe Red Mountain, der vor mehr als 740.000 Jahren ausbrach. This map is a revision of an earlier one (Moore and Wolfe, 1976). The steam plume location from 2015 (San Francisco Volcanic Field + Sunset Crater Arizona) has now been hit by a rare M3.3 earthquake in 2020! The SFvf is about equidistant (roughly forty-five kilometers) from the Grand Canyon to the north and the Verde Valley, Über ihn verschiebt sich die Nordamerikanische Plattewestwärts, so dass seine Schlote scheinbar nach Osten wandern. 1) prepared under the Geothermal Research Program of the U.S. Geological Survey as a basis for interpreting the history of magmatic activity in the volcanic field. The San Francisco volcanic field 1 is more the 4,700 square km (1,800 square miles) in size, and contains volcanoes ranging in age from less than 1,000 years to over 6 million years old. The San Francisco Volcanic Field includes more than 600 volcanoes extending for approximately 50 miles from west to east. Geologic Map of San Francisco Mountain, Elden Mountain, and Dry Lake Hills, Coconino County, Arizona (Tiff) Basic Information. The volcano is part of the Central Volcanic Zone of the Andes. The San Francisco volcanic field is a vast area covering more than 10,000 km22 containing cinder cones, lava fields, lava domes and the majestic (extinct) San Francisco Peaks, the highest of all mountains in Arizona, rising 5,000 feet above the surrounding plateau. The cinder cones are relatively small, usually less than 300 m (1,000 ft) tall, and formed within months to years and are considered single eruptive events. Sunset Crater, the State's youngest volcano, erupted in about A.D. 1085 and must have been witnessed by native inhabitants who lived very nearby. The San Francisco volcanic field stretches from Williams, Arizona, in the west, to northeast of Flagstaff, Arizona, on the east. Alkaline olivine basalt (Bonito Lava Flow, upper Holocene, erupted from Sunset Crater; San Francisco Volcanic Field, Arizona, USA) 10 (49127584488).jpg 3,008 × 2,000; 4.44 MB. If you have visited San Francisco Volcanic Field (historical) before, please tell us about it with a comment below. The Yellowstone Volcano Observatory website has a new and improved look! Much of the field lies within Coconino and Kaibab National Forests. Die älteste Spur ist der Kendric… The varied forests and geologic features of the San Francisco Volcanic Field … The San Francisco volcanic field is a vast area covering more than 10,000 km22 containing cinder cones, lava fields, lava domes and the majestic (extinct) San Francisco Peaks, the highest of all mountains in Arizona, rising 5,000 feet above the surrounding plateau. The San Francisco Volcanic Field, a geologic term used to describe the mountains and hills of Northern Arizona. Forest life zones in the region range from Piñon-Juniper at lower elevations through Ponderosa Pine to Fir and Bristlecone Pine at the highest elevations. It Has Been Suggested There May Be A Hot Spot Under The North American Plate Here. Much of the field lies within Coconino and Kaibab National Forests. Das Feld enthält über 600 Vulkane, die weniger als 6 Millionen Jahre alt sind; der letzte Ausbruch liegt etwa 800 Jahre zurück. Die San Francisco Peaks gehören zum San Francisco Volcanic Field, das 4700 km² an der südlichen Grenze zum Colorado-Plateau umfasst. The San Francisco volcanic field (SFvf) is located on the Colorado Plateau, near the southwestern margin of this geomorphic province (Figure 1). Lahar nga dapit ang San Francisco Volcanic Field sa Tinipong Bansa. The field covers 1,800 square miles (4,700 km²) of the southern boundary of the Colorado Plateau. Red Mountain weist eine asymmetrische U-Form auf und seine Öffnung zeigt nach Westen. The San Francisco volcanic field is an area of volcanoes in northern Arizona, north of Flagstaff, USA.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 less than 6 million years old to less than 1,000 years (Miocene to Holocene), of which Sunset Crater is the youngest. The field covers 1,800 square miles (4,700 km²) of the southern boundary of the Colorado Plateau. 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