Needle Rock Natural Area
| Needle Rock | |
|---|---|
Needle Rock in 2016.
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| Highest point | |
| Elevation | Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). [1][2] |
| Coordinates | Lua error in package.lua at line 80: module 'strict' not found. [2] |
| Geography | |
 Needle Rock
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| Location | Delta County, Colorado, U.S.[2] |
| Parent range | West Elk Mountains |
| Topo map | USGS 7.5' topographic map Crawford, Colorado[2] |
| Geology | |
| Age of rock | c.a. 28 Ma |
| Mountain type | Composite volcano |
| Climbing | |
| Easiest route | rock |
Needle Rock is an intrusive of rhyodacite volcanic plug[3] located in the Needle Rock Natural Area, 3.5 miles (5.6 km) east-northeast (bearing 68°) of the Town of Crawford in Delta County, Colorado, United States. It stands 800 feet (240 m) tall above the floor of the Smith Fork of the Gunnison River valley. It originated as the throat of a large volcano about 28 million years ago in the Miocene geological epoch, when molten rock intruded between existing sedimentary rocks.[4] The plug may represent the eroded conduit of a laccolith.[3]
See also
- List of Colorado mountain ranges
- List of Colorado mountain summits
- List of Colorado county high points
References
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- ↑ The elevation of Needle Rock includes an adjustment of +1.473 m (+4.83 ft) from NGVD 29 to NAVD 88.
- ↑ 2.0 2.1 2.2 2.3 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 3.0 3.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
