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Mount Edziza, sometimes called Edziza Mountain or Edziza Peak, is a stratovolcano in Cassiar Land District of northwestern British Columbia, Canada. It is located on the Big Raven Plateau of the Tahltan Highland which extends along the western side of the Stikine Plateau. The mountain has an elevation of 2,786 metres, making it the highest volcano of the Mount Edziza volcanic complex. However, it had an elevation of at least 3,396 metres before its original summit was likely destroyed by a violent, climactic eruption in the geologic past; its current flat summit contains an ice-filled, 2-kilometre (1.2-mile) in diameter crater. Mount Edziza contains several lava domes, cinder cones and lava fields on its flanks, as well as an ice cap that is characterized by several outlet glaciers stretching out to lower altitudes. All sides of the mountain are drained by tributaries of Mess Creek and Kakiddi Creek which are situated within the Stikine River watershed.
The Spectrum Range, formerly gazetted as the Spectrum Mountains and the Rainbow Mountains, is a small mountain range in Cassiar Land District of northwestern British Columbia, Canada. Located at the southern end of the Tahltan Highland, it borders the Skeena Mountains in the east and the Boundary Ranges of the Coast Mountains in the west. The Spectrum Range is surrounded by the Arctic Lake Plateau in the southwest and the Kitsu Plateau in the northwest, both of which contain volcanic features such as cinder cones. It lies at the southern end of the Mount Edziza volcanic complex which includes the two neighbouring plateaus as well as Mount Edziza and the Big Raven Plateau to the north. The mountain range is drained on all sides by streams within the Stikine River watershed and, unlike Mount Edziza to the north, contains relatively small separate glaciers. Mount Edziza Provincial Park is the main protected area surrounding the Spectrum Range.
The Pyramid, also called Pyramid Dome, is a young lava dome on the northeast flank of Mount Edziza in British Columbia, Canada. It represents several different styles of volcanic activity of the Mount Edziza volcanic complex, part of the Northern Cordilleran Volcanic Province. Its latest eruption occurred during the Pleistocene epoch.
Ornostay Bluff is a volcanic bluff in northern British Columbia, Canada, located just southwest of Mount Edziza in Mount Edziza Provincial Park and southeast of Telegraph Creek.
Koosick Bluff is a volcanic bluff in Cassiar Land District in northern British Columbia, Canada. It is located in Mount Edziza Provincial Park, just northwest of Cocoa Crater and southwest of Mount Edziza.
Kana Cone is a red nested cinder cone in northern British Columbia, Canada, located northeast of Eve Cone in Mount Edziza Provincial Park. The name of the cone was adopted 2 January 1980 on National Topographic System map 104G/12 after being submitted to the BC Geographical Names office by the Geological Survey of Canada, although the cone was labelled as Ashwell Cone on a 1988 Geological Survey of Canada map by Canadian volcanologist Jack Souther.
Cinder Cliff is a cinder cone in northern British Columbia, Canada. It is thought to have last erupted during the Holocene period and is part of the Mount Edziza volcanic complex.
Icefall Cone is a cinder cone in northern British Columbia, Canada. It is thought to have last erupted during the Holocene period and forms part of the Mount Edziza volcanic complex.
Ridge Cone is a cinder cone in northern British Columbia, Canada. It is thought to have last erupted in the Holocene period and is part of the Mount Edziza volcanic complex.
Moraine Cone is a cinder cone in northern British Columbia, Canada. It is thought to have last erupted in the Holocene period and is part of the Mount Edziza volcanic complex.
Storm Cone is a cinder cone in northern British Columbia, Canada. It is thought to have last erupted in the Holocene period and lies on the Desolation lava field which is part of the Mount Edziza volcanic complex.
The Triplex Cones are a group of three cinder cones in northern British Columbia, Canada. They are thought to have last erupted during the Holocene epoch.
Cache Hill is a cinder cone in northern British Columbia, Canada. It is thought to have last erupted in the Holocene period. Once used as an airdrop for food and supplies by the Geological Survey of Canada, hence its name, it is located north of Raspberry Pass in Mount Edziza Provincial Park.
Sezill Volcano is a lava dome in Mount Edziza Provincial Park of northern British Columbia, Canada. It is thought to have formed and last erupted during the Miocene period. The volcano gets its name from being adjacent to Sezill Creek.
Keda Cone, sometimes mistakenly called Kena Cone and sometimes referred to by the numeronym SLF-9, is a cinder cone in northwestern British Columbia, Canada. It is located in the Snowshoe Lava Field of Mount Edziza Provincial Park, having last erupted during the Holocene epoch.
Klastline Cone is a cinder cone in northwestern British Columbia, Canada, located near Mount Edziza in Mount Edziza Provincial Park. It last erupted during the Pleistocene epoch.
Pharaoh Dome is a lava dome in northwestern British Columbia, Canada, located near Mount Edziza in Mount Edziza Provincial Park. It last erupted during the Pleistocene epoch.
Nanook Dome is a lava dome in northwestern British Columbia, Canada, located just northeast of Mount Edziza in Mount Edziza Provincial Park. It last erupted during the Pleistocene epoch.
Sphinx Dome is a lava dome in northwestern British Columbia, Canada, located near Mount Edziza in Mount Edziza Provincial Park. It last erupted during the Pleistocene epoch.
Source Hill is a cinder cone in northwestern British Columbia, Canada. It is polygenetic in nature, having erupted more than once throughout its eruptive history. It is one of the volcanoes in the central portion of the Mount Edziza volcanic complex and last erupted during the Pleistocene period.
References
- ↑ "Catalogue of Canadian volcanoes: Glacier Dome". Archived from the original on 2011-07-06. Retrieved 2009-06-25.
57°46′N130°35′W / 57.77°N 130.58°W
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