Hayrick Butte
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| Hayrick Butte | |
|---|---|
| Elevation | 5523 ft (1683 m) |
| Location | Oregon, USA |
| Range | Cascades |
| Coordinates | |
| Topo map | USGS Santiam Junction |
| Type | Tuya |
Hayrick Butte is a tuya in the Cascade Range of northern Oregon, located near Santiam Pass just west of the Cascade Crest. It is adjacent to the cinder cone, Hoodoo Butte, which overlaps its western edge.
A tuya is a type of subglacial volcano, formed when lava erupts underneath an overlying glacier or ice sheet and then melts through to the surface and pools, producing the flat plateau on top with near-vertical walls along the ice-contact margin as the lava cools and hardens. Hayrick Butte is one of the most perfectly formed examples of a tuya in the contiguous United States, with a nearly-flat triangular plateau about 0.5 mi (0.8 km) across and steep walls rising about 700 ft (210 m) above the plain below.
[edit] References
- Harris, Stephen L. (2005). Fire Mountains of the West: The Cascade and Mono Lake Volcanoes (3rd ed.). Mountain Press Publishing Company. ISBN 0-87842-511-X.
- Wood, Charles A.; Jürgen Kienle, eds. (1990). Volcanoes of North America. Cambridge University Press. ISBN 0-521-43811-X.
[edit] External links
- Maps and aerial photos
- WikiSatellite view at WikiMapia
- Topographic map from TopoZone
- Aerial image from TerraServer-USA
- Surrounding area map from Google Maps
- Location in the United States from the Census Bureau
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