Volcano Mountain,Ruby Mountain,Tsaex Cone,Lava Fork,Hoodoo and Iskul (Northern British Columbia and Yukon)are all associated with:

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These mountains are all located in Northern British Columbia and Yukon, which are associated with a continental rift called the Northern Cordilleran Volcanic Province. This rift zone is characterized by volcanic activity, including the aforementioned mountains, and is similar to the East African Rift and the Basin and Range Province in the western United States.