Marble Mountain-Trout Creek Hill

Marble Mountain-Trout Creek Hill
West Crater with associated lava flows
Highest point
Elevation 492 to 4,521 ft (150 to 1,378 m)[1]
Coordinates 45°54′N 122°00′W / 45.9°N 122.0°W / 45.9; -122.0Coordinates: 45°54′N 122°00′W / 45.9°N 122.0°W / 45.9; -122.0 [1]
Geography
Location Skamania County, Washington,
United States
Parent range Cascade Range[2]
Topo map USGS Bare Mountain
Geology
Age of rock less than 700,000 years[1]
Mountain type Volcanic field[3]
Volcanic arc/belt Cascade Volcanic Arc[2]
Last eruption ~7,700 years BP[1]

Marble Mountain-Trout Creek Hill volcanic field (MMTC) is a volcanic field located in Washington, US.

Notable Vents

NameElevationCoordinatesLast eruption
Bare Mountain[1]   
Marble Mountain[1]4,127 ft (1,258 m)  
Trout Creek Hill[3]2,930 ft (893 m)45°49′N 122°00′W / 45.817°N 122.000°W / 45.817; -122.000~340,000 years ago
West Crater[1][3]4,360 ft (1,329 m)45°53′N 122°05′W / 45.88°N 122.08°W / 45.88; -122.08 (West Crater)5750 BC?

Trout Creek Hill

Trout Creek Hill is a small Pleistocene basaltic shield volcano in Washington, United States. It produced a lava flow about 340,000 years ago that traveled 20 km (12 mi) southeast, which dammed the Columbia River for a short period of time.[3]

West Crater

West Crater is a small andesitic lava dome with associated lava flows in southern Washington.[3]

See also

References

  1. 1 2 3 4 5 6 7 Wood, Charles A.; Jűrgen Kienle (1993). Volcanoes of North America. Cambridge University Press. pp. 167–168. ISBN 0-521-43811-X.
  2. 1 2 "West Crater | Photo". Global Volcanism Program. Smithsonian Institution. Retrieved 2009-01-15.
  3. 1 2 3 4 5 "West Crater". Global Volcanism Program. Smithsonian Institution. Retrieved 2007-05-13.


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