A mountain, 1,917.8 m (6,288 ft) high, of eastern New Hampshire. It is the highest elevation in the White Mountains.
| Dictionary: Washington, Mount |
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| Wikipedia: Mount Washington (Oregon) |
| Mount Washington | |
|---|---|
| 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°WCoordinates: 44°19′55.7″N 121°50′18.7″W / 44.332139°N 121.838528°W [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]
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| This Linn County, Oregon state location article is a stub. You can help Wikipedia by expanding it. |
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![]() | 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 | |
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