Opal Cone
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| Opal Cone | |
|---|---|
| Elevation | 1,736 metres (5,696 feet) |
| Location | British Columbia, Canada |
| Range | Garibaldi Ranges |
| Prominence | 86 m |
| Coordinates | |
| Topo map | NTS 92.G/15 |
| Type | Cinder cone |
| Age of rock | Pleistocene |
| Last eruption | 9300 BC |
Opal Cone is a cinder cone located on the southeast flank of Mount Garibaldi. It is the sourse of a 15 km long broad dacite lava flow with prominent wrinkled ridges. The lava flow is unusually long for a silicic lava flow. Although many mistakenly believe it to be part of the Cascade Range (it is a member of the Cascade Volcanoes, but not of the Cascade Range.
[edit] See also
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