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Pages in category "Volcanoes of Colorado" The following 12 pages are in this category, out of 12 total. This list may not reflect recent changes. C. Cochetopa Dome; D.
The La Garita Caldera is one of a number of calderas that formed during a massive ignimbrite flare-up in Colorado, Utah, and Nevada from 40 to 18 million years ago, and was the site of massive eruptions about 28.01 ± 0.04 million years ago, during the Oligocene Epoch.
The central Colorado volcanic field (CCVF) is a volcanic field in Park County, Colorado.It is located in the southern Rocky Mountains and covered a roughly triangular area centered on the Thirtynine Mile volcanic area and extending from the Sawatch Range southeast to the northern Sangre de Cristo Range and the Wet Mountains and northeast to the southern Front Range south of Denver.
Name Elevation Location Last eruption meters feet Coordinates; Malumalu: Last 8,000 years Ta‘u-931: 3054: 30,000 years ago [15]: Ofu-Olosega: 639: 2096: 1866 unnamed submarine cone eruption
The San Juan volcanic field is part of the San Juan Mountains in southwestern Colorado. It consists mainly of volcanic rocks that form the largest remnant of a major composite volcanic field that covered most of the southern Rocky Mountains in the Middle Tertiary geologic time. [1]
E. E. Larson [9] and others in 1975 and P. T. Leat [10] and others in 1989 briefly discussed the role of Dotsero Crater as part of regional volcanism in northwest Colorado in terms of both volcano-tectonism and geochemistry. Both papers provide only a very limited descriptions of the primary volcanic deposits at Dotsero Crater, some of which ...
The Thirtynine Mile volcanic area, part of the larger Central Colorado volcanic field, is an extinct volcanic area located in Park and Teller counties, Colorado, northwest of Cripple Creek and southeast of South Park. [1] The area was the site of significant volcanism in the Paleogene Period about 35 million years ago.
The Navajo volcanic field is a monogenetic volcanic field located in the Four Corners region of the United States, in the central part of the Colorado Plateau.The volcanic field consists of over 80 volcanoes and associated intrusions of unusual potassium-rich compositions, with an age range of 26.2 to 24.7 million years ().