Английская Википедия:Cochetopa Dome
Шаблон:Short description Шаблон:Infobox mountain
Cochetopa DomeШаблон:Refn is a mountain in the San Juan Mountains, in Saguache County, Colorado. The Шаблон:Convert mountain is located in the Gunnison National Forest. With a prominence of Шаблон:Convert, Cochetopa Dome is the 110th most prominent summit in the state of Colorado.[1][2][3][4]
Geology
Cochetopa Dome is a rhyolitic lava dome, extruded into the Cochetopa caldera approximately 27 million years ago. The Chochetopa caldera is one of over a dozen such collapsed volcanoes within the San Juan volcanic field. The caldera is approximately Шаблон:Convert wide and vertical subsidence was up to Шаблон:Convert.[5]
The Cochetopa caldera, with Cochetopa Dome within it, is one of the most recognizable of the calderas in the region. Helping preserve the structure of this particular caldera is that its development was more recent than many of the larger calderas elsewhere in the San Juan Mountains, thus there was less regional volcanism to disrupt the caldera's structure. Also, the caldera was only modestly filled with post-subsidence sediments and much of this was weaker, tuffaceaus deposits, which have been more readily eroded from the caldera floor. And lastly, the caldera is drained through Cochetopa Canyon where hard, Precambrian igneous rock has limited down cutting and erosion of the caldera. The present vegetation helps make the caldera's features and extent even more apparent. The floor of the caldera is dominated by grass and shrublands while the caldera rim and the interior lava dome (Cochetopa Dome) are forested. This contrast in vegetation helps a visitor visualize the caldera[5][6]
Hiking
Private property to the north and west limits access to the mountain. The summit can be reached on public land from the southeast. From the Cochetopa Park Spur F Road (Forest Road 804.1F), at an open saddle at an elevation of (Шаблон:Convert), the summit is a Шаблон:Convert, class-2 hike through meadow and forest. The elevation gain is Шаблон:Convert.[4][7]
See also
- List of Colorado mountain ranges
- List of Colorado mountain summits
- List of Colorado county high points
References
External links
Шаблон:Mountains of Colorado Шаблон:Protected areas of Colorado Шаблон:Colorado
- ↑ Ошибка цитирования Неверный тег
<ref>; для сносокPBне указан текст - ↑ Ошибка цитирования Неверный тег
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<ref>; для сносокGNISне указан текст - ↑ 4,0 4,1 Шаблон:Cite web
- ↑ 5,0 5,1 Шаблон:Cite book
- ↑ Шаблон:Cite book
- ↑ Forest road information is available at Colorado Trail Explorer. Off-trail distances can also be computed. Accessed 8 April 2021
- Английская Википедия
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- San Juan Mountains (Colorado)
- Mountains of Saguache County, Colorado
- Gunnison National Forest
- Mountains of Colorado
- Volcanoes of Colorado
- Calderas of Colorado
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