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Hoodoo Mountain is a potentially active flat-topped stratovolcano in the Stikine Country of northwestern British Columbia, Canada, located 74 km (46 mi) northeast of Wrangell, Alaska, on the north side of the lower Iskut River and 30 km (19 mi) east of its junction with the Stikine River. It is situated in the Boundary Ranges of the Coast Mountains and existed since the Late Pleistocene stage of the Pleistocene epoch, which began 130,000 years ago and ended 10,000 years ago.
Lava Fork is a creek in northwestern British Columbia, Canada and of the Alaska Panhandle, United States. It lies west of the Unuk River and northwest of Stewart. It flows south from the Lava Lakes across the British Columbia-Alaska border into the Blue River in the extreme northern part of Misty Fjords National Monument.
The Spectrum Range, formerly called the Spectrum Mountains and the Rainbow Mountains, is a subrange of the Tahltan Highland in the Stikine Country of northwestern British Columbia, 20 km west of the Stewart-Cassiar Highway, south of Mount Edziza and north of the Arctic Lake Plateau. The Spectrum Range falls within Mount Edziza Provincial Park. The range is lightly glaciated, as compared to the other ranges to the west. It is accessible only by foot or via helicopter; there are no roads to the range.
Tuber Hill is a small 600,000-year-old basaltic stratovolcano that was constructed on the Bridge River highlands when nearby valleys were packed with ice. Tuber Hill is part of the Garibaldi segment of the Canadian Cascade Arc, but is not in the geographic Cascade Range.
The Iskut-Unuk River Cones are a group of eight small basaltic centres at the southern end of the Northern Cordilleran Volcanic Province in the Boundary Ranges of the Coast Mountains, in western North America. The lava flows date back 70,000 years, but the subaerial vents produced cinder cones and lava flows that were probably all active between about 9,000 and a few hundred years ago. The last lava flows were erupted from The Volcano about 150 years ago. Iskut Canyon Cone produced at least 10 thick lava flows which initially dammed the Iskut River.
Cinder Mountain is a partly eroded cinder cone at the head of Snippaker Creek, British Columbia, Canada. It is one of the Iskut-Unuk River Cones and is the source of a basaltic lava flow that extends 4 km (2 mi) north into Copper King Creek. An isolated pile of subaerial basalt flows and associated pillow lava rest on varved clay and till in King Creek. Cinder Mountain last erupted during the Pleistocene.
Castle Rock is a volcanic plug located 13 km (8 mi) west of Iskut and 8 km northwest of Tuktsayda Mountain in British Columbia, Canada. Castle Rock is part of the Pacific Ring of Fire that includes over 160 active volcanoes and is in the Klastline Group, Northern Cordilleran Volcanic Province and last erupted in the Pleistocene.
Ibex Mountain is a young cinder cone in the Yukon Territory, Canada, located 33 km southwest of Whitehorse and 12 km southeast of Mount Arkell. It is in a group of basaltic cones and lava flows called Alligator Lake and is in the Northern Cordilleran Volcanic Province. It is believed Ibex Mountain last erupted during the Pleistocene. Ibex Mountain is at the head of the Ibex River, which is southeast of Whitehorse. There is a road that runs close to Ibex Lake on the southeast side of the summit. From there is the hike to the summit of the cone.
Machmell River Cone is a cinder cone in the Silverthrone Caldera complex in the Pacific Ranges section of the Coast Mountains in British Columbia, Canada. It is believed the volcano last erupted during the Holocene, making it one of the most recent eruptions of the Silverthrone complex.
Second Canyon Cone, also called Canyon Creek Cone is a cinder cone in the Boundary Ranges of the Coast Mountains in northwestern British Columbia, Canada. It is a volcanic feature of the Iskut-Unuk River Cones which is part of the Northern Cordilleran Volcanic Province and formed in the past 10,000 years of the Holocene epoch.
Enid Creek Cone is a subglacial mound in northwestern British Columbia, Canada, located in the Dark Mountain area. It last erupted during the Pleistocene epoch.
Snippaker Creek Cone is a cinder cone of the Iskut-Unuk River Cones group in northwestern British Columbia, Canada, located near the western flank of Cinder Mountain. It last erupted during the Holocene epoch.
King Creek Cone is a subglacial mound of the Iskut-Unuk River Cones group in northwestern British Columbia, Canada. It last erupted during the Pleistocene epoch.
Fort Selkirk Vent is a geological name for a cinder cone in central Yukon, Canada, located just east of Fort Selkirk along the Yukon River.
Cone Glacier Volcano is a cinder cone in the Boundary Ranges of the Coast Mountains in northwestern British Columbia, Canada. It is part of the Iskut-Unuk River Cones group and last erupted during the Holocene period. Cone Glacier contains two arms that surround the volcano.
Little Iskut is an eroded volcanic outcrop in the Tahltan Highland of northwestern British Columbia, Canada. It is associated with the central portion of the Mount Edziza volcanic complex and last erupted during the Pliocene period.
Tom MacKay Creek Cone is a basalt subglacial mound in northwestern British Columbia, Canada. It is part of the Iskut-Unuk River Cones group and last erupted during the Pleistocene epoch. There is a single vent and a single flow, of weathered, fragmented pillow basalt, of maximum 30m thickness.
The Volcano, also known as Lava Fork volcano, is a small cinder cone in the Boundary Ranges of the Coast Mountains in northwestern British Columbia, Canada. It is located approximately 60 km (40 mi) northwest of the small community of Stewart near the head of Lava Fork. With a summit elevation of 1,656 m (5,433 ft) and a topographic prominence of 311 m (1,020 ft), it rises above the surrounding rugged landscape on a remote mountain ridge that represents the northern flank of a glaciated U-shaped valley.
The volcanic history of the Northern Cordilleran Volcanic Province presents a record of volcanic activity in northwestern British Columbia, central Yukon and the U.S. state of easternmost Alaska. The volcanic activity lies in the northern part of the Western Cordillera of the Pacific Northwest region of North America. Extensional cracking of the North American Plate in this part of North America has existed for millions of years. Continuation of this continental rifting has fed scores of volcanoes throughout the Northern Cordilleran Volcanic Province over at least the past 20 million years and occasionally continued into geologically recent times.
References
- ↑ "Catalogue of Canadian volcanoes: Iskut River Cone". Archived from the original on 2011-07-06. Retrieved 2009-06-25.
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