Summer Coon Explained

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

References

37.775°N -106.3678°W

Notes and References

  1. Web site: The geology of Summer Coon volcano near Del Norte, Colorado . 19 October 2023 . sites.coloradocollege.edu.
  2. Book: Noblett . Jeffrey B. . Loeffler . Bruce M. . Rocky Mountain Section of the Geological Society of America . The geology of Summer Coon volcano near Del Norte, Colorado . 1987 . Geological Society of America . Boulder, Colorado . 0-8137-5402-X . 10.1130/0-8137-5402-x.349 . 349–352.
  3. NMGS 1971 Guidebook Details . 2023-10-19 . New Mexico Geological Society . en . 10.56577/ffc-22.265.
  4. Zielinski . Robert A. . Lipman. Peter W.. Trace-element variations at Summer Coon volcano, San Juan Mountains, Colorado, and the origin of continental-interior andesite . GSA Bulletin . 1976 . 87 . 10 . 1477 . 10.1130/0016-7606(1976)87<1477:TVASCV>2.0.CO;2 . 1976GSAB...87.1477Z . 19 October 2023.
  5. Web site: La Ventana Arch. Atlas Obscura.

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