Summer Coon
Summer Coon is an Oligocene stratovolcano[1] in Saguache County, Colorado that erupted between 24 and 34 million years ago. It is located 6 miles (9.6 km) north of Del Norte, Colorado and is on the western edge of the San Luis Valley. It is in the Rio Grande National Forest.[2]
The New Mexico Geological Society published an article on it in 1971. Various studies of the area and its volcanic intrusions have been carried out.[3] These include a study of trace element variations at the summit.[4] La Ventana Arch resulted from erosion following volcanic activity.[5]
See also
[edit]References
[edit]- ^ "The geology of Summer Coon volcano near Del Norte, Colorado" (PDF). sites.coloradocollege.edu. Retrieved 19 October 2023.
- ^ Noblett, Jeffrey B.; Loeffler, Bruce M. (1987). "The geology of Summer Coon volcano near Del Norte, Colorado". Rocky Mountain Section of the Geological Society of America. Boulder, Colorado: Geological Society of America. pp. 349–352. doi:10.1130/0-8137-5402-x.349. ISBN 0-8137-5402-X.
- ^ "NMGS 1971 Guidebook Details". New Mexico Geological Society. doi:10.56577/ffc-22.265. Retrieved 2023-10-19.
- ^ Zielinski, Robert A.; Lipman, Peter W. (1976). "Trace-element variations at Summer Coon volcano, San Juan Mountains, Colorado, and the origin of continental-interior andesite". GSA Bulletin. 87 (10): 1477. Bibcode:1976GSAB...87.1477Z. doi:10.1130/0016-7606(1976)87<1477:TVASCV>2.0.CO;2. Retrieved 19 October 2023.
- ^ "La Ventana Arch". Atlas Obscura.
37°46′30″N 106°22′04″W / 37.77500°N 106.36778°W
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