Marble Mountain-Trout Creek Hill
Volcanic field in Washington, United States
From Wikipedia, the free encyclopedia
Marble Mountain-Trout Creek Hill volcanic field (MMTC) is a volcanic field located in Washington, US.
Coordinates45.9°N 122.0°W[1]
LocationSkamania County, Washington,
United States
United States
| 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 | 45.9°N 122.0°W[1] |
| Geography | |
 | |
| Location | Skamania County, Washington, United States |
| Parent range | Cascade Range[2] |
| Topo map | USGS Bare Mountain |
| Geology | |
| Rock age | less than 700,000 years[1] |
| Volcanic field[3] | |
| Volcanic arc | Cascade Volcanic Arc[2] |
| Last eruption | ~7,700 years BP[1] |
Notable vents
| 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 | ~340,000 years ago |
| West Crater[1][3] | 4,360 ft (1,329 m) | 45°53′N 122°05′W | ~6000 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]
