O'Leary Peak
Encyclopedia
O'Leary Peak is an extinct Pleistocene
lava dome
volcano
within the San Francisco volcanic field
, north of Flagstaff, Arizona
. It is to the northwest of Sunset Crater
. A fire tower was built at the top of the eastern peak, at an elevation of 8916 feet (2,717.6 m). O'Leary's western summit is at 8938 feet (2,724.3 m)
35°24′05"N 111°31′36"W
Pleistocene
The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....
lava dome
Lava dome
|250px|thumb|right|Image of the [[rhyolitic]] lava dome of [[Chaitén Volcano]] during its 2008–2009 eruption.In volcanology, a lava dome is a roughly circular mound-shaped protrusion resulting from the slow extrusion of viscous lava from a volcano...
volcano
Volcano
2. Bedrock3. Conduit 4. Base5. Sill6. Dike7. Layers of ash emitted by the volcano8. Flank| 9. Layers of lava emitted by the volcano10. Throat11. Parasitic cone12. Lava flow13. Vent14. Crater15...
within the San Francisco volcanic field
San Francisco volcanic field
The San Francisco volcanic field is an area of volcanoes in northern Arizona, north of Flagstaff, USA. The field covers 1,800 square miles 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 ,...
, north of Flagstaff, Arizona
Flagstaff, Arizona
Flagstaff is a city located in northern Arizona, in the southwestern United States. In 2010, the city's population was 65,870. The population of the Metropolitan Statistical Area was at 134,421 in 2010. It is the county seat of Coconino County...
. It is to the northwest of Sunset Crater
Sunset Crater
Sunset Crater is a volcanic cinder cone located north of Flagstaff in U.S. State of Arizona. The crater is within the Sunset Crater Volcano National Monument....
. A fire tower was built at the top of the eastern peak, at an elevation of 8916 feet (2,717.6 m). O'Leary's western summit is at 8938 feet (2,724.3 m)
External links
- O'Leary Peak Trail at Coconino National ForestCoconino National ForestThe Coconino National Forest is a 1.856-million acre United States National Forest located in northern Arizona in the vicinity of Flagstaff. Originally established in 1898 as the "San Francisco Mountains National Forest Reserve", the area was designated a U.S...
- O'Leary Peak at Summit Post
35°24′05"N 111°31′36"W