Needle Rock


Needle Rock
Needle Rock
Needle Rock is located in Colorado
Needle Rock
Colorado
Elevation 800 feet (244 m)
Location
Location Crawford, Colorado, USA
Range West Elk Mountains, San Juan Mountains
Coordinates 38°43′28″N 107°32′59″W / 38.724446°N 107.54972°W / 38.724446; -107.54972Coordinates: 38°43′28″N 107°32′59″W / 38.724446°N 107.54972°W / 38.724446; -107.54972
Topo map USGS Needle Rock
Geology
Type Composite volcano
Age of rock c.a. 28 Ma
Climbing
Easiest route rock

Needle Rock is an intrusive of rhyodacite volcanic plug[1] located at the west border of the Gunnison National Forest, in the Needle Rock Natural Area near Crawford in the U.S. state of Colorado. 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.[2] The plug may represent the eroded conduit of a laccolith.[1]

See also

References


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  • Needle — Nee dle (n[=e] d l), n. [OE. nedle, AS. n[=ae]dl; akin to D. neald, OS. n[=a]dla, G. nadel, OHG. n[=a]dal, n[=a]dala, Icel. n[=a]l, Sw. n[*a]l, Dan. naal, and also to G. n[ a]hen to sew, OHG. n[=a]jan, L. nere to spin, Gr. ne ein, and perh. to E …   The Collaborative International Dictionary of English

  • Needle bar — Needle Nee dle (n[=e] d l), n. [OE. nedle, AS. n[=ae]dl; akin to D. neald, OS. n[=a]dla, G. nadel, OHG. n[=a]dal, n[=a]dala, Icel. n[=a]l, Sw. n[*a]l, Dan. naal, and also to G. n[ a]hen to sew, OHG. n[=a]jan, L. nere to spin, Gr. ne ein, and perh …   The Collaborative International Dictionary of English

  • Needle beam — Needle Nee dle (n[=e] d l), n. [OE. nedle, AS. n[=ae]dl; akin to D. neald, OS. n[=a]dla, G. nadel, OHG. n[=a]dal, n[=a]dala, Icel. n[=a]l, Sw. n[*a]l, Dan. naal, and also to G. n[ a]hen to sew, OHG. n[=a]jan, L. nere to spin, Gr. ne ein, and perh …   The Collaborative International Dictionary of English

  • Needle furze — Needle Nee dle (n[=e] d l), n. [OE. nedle, AS. n[=ae]dl; akin to D. neald, OS. n[=a]dla, G. nadel, OHG. n[=a]dal, n[=a]dala, Icel. n[=a]l, Sw. n[*a]l, Dan. naal, and also to G. n[ a]hen to sew, OHG. n[=a]jan, L. nere to spin, Gr. ne ein, and perh …   The Collaborative International Dictionary of English

  • Needle gun — Needle Nee dle (n[=e] d l), n. [OE. nedle, AS. n[=ae]dl; akin to D. neald, OS. n[=a]dla, G. nadel, OHG. n[=a]dal, n[=a]dala, Icel. n[=a]l, Sw. n[*a]l, Dan. naal, and also to G. n[ a]hen to sew, OHG. n[=a]jan, L. nere to spin, Gr. ne ein, and perh …   The Collaborative International Dictionary of English

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