In Canada, potentially active volcanoes are found only in British Columbia and the Yukon Territory, where they represent cinder cones, shield volcanoes, and...
Hickson, C. J., Scanning electron microscope image of a pumice fragment showing its very porous, vesicular nature., Natural Resources Canada Photo Collection #...
Hickson, C. J., Volcanoes commonly shoot out large blobs of hot magma called "volcanic bombs". Because the magma is very hot, as it sails through the air, it...
Eocene volcanic rocks exposed in the Clisbako River area of central British Columbia host potentially economic epithermal alteration and mineralization. Two...
Hickson, C. J., The Illgachuz Range in western British Columbia is a shield volcano several million years old., Natural Resources Canada Photo Collection #...
Hickson, C. J., Hyalo Ridge, in Wells Gray Provincial Park, is a tuya, a typical, flat-topped, steep-sided, subglacial volcano., Natural Resources Canada Photo...
Three volcanic assemblages are exposed in the Clisbako River area of central British Columbia. The oldest undeformed units in the area are felsic to...