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Mount Washington

 
Dictionary: Washington, Mount


A mountain, 1,917.8 m (6,288 ft) high, of eastern New Hampshire. It is the highest elevation in the White Mountains.

 

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Wikipedia: Mount Washington (Oregon)
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Mount Washington
Mount Washington Oregon.jpg
Elevation 7,794 feet (2,376 m) [1]
Location Deschutes / Linn counties, Oregon, USA
Range Cascade Range
Prominence 2,554 feet (778 m)[2]
Coordinates 44°19′55.7″N 121°50′18.7″W / 44.332139°N 121.838528°W / 44.332139; -121.838528Coordinates: 44°19′55.7″N 121°50′18.7″W / 44.332139°N 121.838528°W / 44.332139; -121.838528 [3]
Topo map USGS Mount Washington
Type Shield volcano [4]
Volcanic arc/belt Cascade Volcanic Arc
Age of rock Pleistocene
Last eruption About 670 AD
First ascent 1923 by E. McNeal and party [5]

Mount Washington is a shield volcano in the Cascade Range of Oregon. The mountain dates to the Late Pleistocene. However, it does have a line of basaltic andesite spatter cones on its northeast flank which are approximately 1,330 years old according to carbon dating. The main peak is a volcanic plug that was heavily eroded by glaciers in the last ice age.[4]

See also

References

  1. ^ "Northwest GeoData Clearinghouse". Department of Geology: Portland State University. http://nwdata.geol.pdx.edu/OR-GIS/PlaceNames/W.html. Retrieved 2008-04-03. 
  2. ^ "Mount Washington, Oregon". Peakbagger.com. http://www.peakbagger.com/peak.aspx?pid=2411. Retrieved 2008-04-03. 
  3. ^ "Mount Washington". NGS data sheet. U.S. National Geodetic Survey. http://www.ngs.noaa.gov/cgi-bin/ds_mark.prl?PidBox=QD1736. Retrieved 2008-11-18. 
  4. ^ a b Wood, Charles A.; Jűrgen Kienle (1993). Volcanoes of North America. Cambridge University Press. pp. 181–182. ISBN 0-512-43811-X. 
  5. ^ "Mount Washington". Skiing the Cascade Volcanoes. http://www.skimountaineer.com/CascadeSki/CascadeSki.php?name=Washington. Retrieved 2008-04-03. 

External links


 
 

 

Copyrights:

Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2007. Published by Houghton Mifflin Company. All rights reserved.  Read more
Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Mount Washington (Oregon)" Read more