Crested Butte
Mountain in the state of Colorado
Crested Butte
Colorado
Gothic, Colorado[3]
Crested Butte is a prominent mountain summit in the Elk Mountains range of the Rocky Mountains of North America. The 12,168-foot (3,709 m) peak is in Gunnison National Forest, 2.1 miles (3.4 km) northeast by east (bearing 59°) of the Town of Crested Butte in Gunnison County, Colorado, United States.[1][2][3] Ski lifts and runs of the Crested Butte Mountain Resort occupy the north side of the mountain.
Climate
The Köppen Climate Classification subtype for Crested Butte is "Dfc" which is continental subarctic. This climate type is dominated by the winter season with a long, bitterly cold period of minimal daylight hours, heavy snowfall and low humidity. The annual snowfall average is 198.4 inches (504 cm) with January recording the highest average snowfall at 40 inches (100 cm). July is the warmest month with an average temperature of 57.2 °F (14.0 °C) while January is the coldest month with an average temperature of 11.8 °F (−11.2 °C). The average temperature for the year is 34.7 °F (1.5 °C).[4]
| Climate data for Crested Butte (Mountain) 38.8860 N, 106.9445 W, Elevation: 11,696 ft (3,565 m) (1991–2020 normals) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Mean daily maximum °F (°C) | 27.0 (−2.8) | 27.1 (−2.7) | 33.3 (0.7) | 39.2 (4.0) | 48.1 (8.9) | 60.2 (15.7) | 65.1 (18.4) | 63.4 (17.4) | 56.7 (13.7) | 45.3 (7.4) | 33.8 (1.0) | 27.0 (−2.8) | 43.9 (6.6) |
| Daily mean °F (°C) | 16.0 (−8.9) | 15.8 (−9.0) | 21.2 (−6.0) | 26.5 (−3.1) | 35.5 (1.9) | 46.5 (8.1) | 52.0 (11.1) | 50.5 (10.3) | 43.9 (6.6) | 33.3 (0.7) | 23.2 (−4.9) | 16.3 (−8.7) | 31.7 (−0.2) |
| Mean daily minimum °F (°C) | 5.0 (−15.0) | 4.4 (−15.3) | 9.0 (−12.8) | 13.8 (−10.1) | 22.8 (−5.1) | 32.8 (0.4) | 38.8 (3.8) | 37.6 (3.1) | 31.1 (−0.5) | 21.3 (−5.9) | 12.5 (−10.8) | 5.7 (−14.6) | 19.6 (−6.9) |
| Average precipitation inches (mm) | 3.09 (78) | 3.06 (78) | 2.71 (69) | 2.58 (66) | 2.04 (52) | 0.89 (23) | 1.93 (49) | 1.94 (49) | 2.01 (51) | 2.04 (52) | 2.63 (67) | 3.01 (76) | 27.93 (710) |
| Average snowfall inches (cm) | 61.10 (155.2) | 62.60 (159.0) | 49.30 (125.2) | 46.70 (118.6) | 31.10 (79.0) | 2.50 (6.4) | 0.00 (0.00) | 0.00 (0.00) | 3.20 (8.1) | 25.70 (65.3) | 41.10 (104.4) | 65.70 (166.9) | 389 (988.1) |
| Source 1: PRISM Climate Group[5] | |||||||||||||
| Source 2: NOAA (snowfall)[6] | |||||||||||||
Geology
Crested Butte is a laccolith, formed when magma intruded into Mancos Shale approximately 30 million years ago. Subsequently the softer, overlying sedimentary rock has eroded away, exposing the more resistant igneous rock. The bulk of Crested Butte is composed of quartz monzonite porphyry and granodiorite porphyry. The lower slopes consist of Mancos Shale overlain with debris from the granitic slopes above. The Mancos Shale at the base of Crested Butte can be an unstable substrate for building and result in geologic hazards such as landslides and earthflows.[7][8]
Crested Butte is one of over a dozen laccoliths in the Elk and adjacent West Elk Mountains. The magma intrusions associated with these laccoliths resulted in contact metamorphism of the surrounding sedimentary rock and mineralization. The metamorphism also altered the bituminous coal present in the sedimentary rock into a higher quality coal, including anthracite, which was mined extensively in the Crested Butte area during the late 19th and early 20th centuries.[9]
Gallery
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Crested Butte viewed from Meridian Lake -
Crested Butte and the town of Crested Butte -
Geologic cross section of Crested Butte
See also
Geology portal
Geography portal
North America portal
United States portal
Colorado portal
Mountains portal
- List of Colorado mountain ranges
- List of Colorado mountain summits
- List of Colorado county high points
References
- ^ a b The elevation of Crested Butte includes an adjustment of +1.940 m (+6.36 ft) from NGVD 29 to NAVD 88.
- ^ a b c d e "Crested Butte, Colorado". Peakbagger.com. Retrieved October 19, 2014.
- ^ a b c d "Crested Butte". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved October 19, 2014.
- ^ Climate Summary for Crested Butte
- ^ "PRISM Climate Group, Oregon State University". PRISM Climate Group, Oregon State University. Retrieved October 9, 2023.
To find the table data on the PRISM website, start by clicking Coordinates (under Location); copy Latitude and Longitude figures from top of table; click Zoom to location; click Precipitation, Minimum temp, Mean temp, Maximum temp; click 30-year normals, 1991-2020; click 800m; click Retrieve Time Series button.
- ^ "Crested Butte 6.2 N, Colorado 1991-2020 Monthly Normals". Retrieved November 1, 2023.
- ^ Prather, Thomas (1999). Geology of the Gunnison Country (2nd ed.). Gunnison, Colorado: B&B Printers. LCCN 82-177244.
- ^ Gaskill, David. L.; Mutschler, Felix. E.; Kramer, John H.; Thomas, John A.; Zahony, Stephen G. (1991). Geologic map of the Gothic quadrangle, Gunnison County, Colorado. Washington, DC: U.S. Geological Survey.
- ^ Streufert, Randall (1999). RS-37 Geology and Mineral Resources of Gunnison County, Colorado (PDF). Denver, Colorado: Colorado Geological Survey. Archived from the original (PDF) on 2015-01-22. Retrieved 2017-11-18.
External links
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