geo.wikisort.org - Mountains

Opal Cone is a cinder cone located on the southeast flank of Mount Garibaldi in the Coast Mountains of British Columbia, Canada. It is the source of a 15 km (9 mi) long broad dacite lava flow with prominent wrinkled ridges. The lava flow is unusually long for a silicic lava flow.

Opal Cone
Highest point
Elevation	1,736 m (5,696 ft)
Prominence	86 m (282 ft)
Coordinates	49°49′38.0″N 122°58′16.0″W
Geography
Location	Garibaldi Park, British Columbia, Canada
District	New Westminster Land District
Parent range	Garibaldi Ranges
Topo map	NTS 92G15 Mamquam Mountain
Geology
Age of rock	Holocene
Mountain type	Cinder cone
Volcanic arc/belt	Canadian Cascade Arc Garibaldi Volcanic Belt
Last eruption	9300 BP

Opal Cone is a member of the Cascade Volcanoes, but it is located in the Garibaldi Ranges in the Coast Mountains and not in the Cascade Range proper.

See also

• List of volcanoes in Canada
• Volcanism of Canada
• Volcanism of Western Canada
• Cascade Volcanoes
• Garibaldi Volcanic Belt
• Garibaldi Lake volcanic field

External links

• Opal Cone in the Canadian Mountain Encyclopedia
• Hiking Opal Cone - Online guide for hiking to the summit

References

• Catalogue of Canadian volcanoes:Opal Cone

• 

На других языках

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- [en] Opal Cone

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[fr] Cône Opal

Le cône Opal, en anglais Opal Cone, est un petit cône volcanique du Canada situé sur le flanc Sud-Est du mont Garibaldi dans la chaîne Côtière, en Colombie-Britannique. Il a notamment produit une coulée dacitique particulièrement longue pour ce type de lave.

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[it] Cono Opal

Il cono Opal (in inglese: Opal Cone) è un piccolo cono vulcanico del Canada situato sulla parete sud-est del monte Garibaldi nelle Montagne Costiere, in Columbia Britannica. Ha prodotto soprattutto una colata dacitica particolarmente lunga per questo tipo di lava.

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