Marble Mountain-Trout Creek Hill | |
---|---|
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 [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.
Name | Elevation | Coordinates | Last 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 | ~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 | 5750 BC? |
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 is a small andesitic lava dome with associated lava flows in southern Washington. [3]