geo.wikisort.org - MountainsThe 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.[1]
Spectrum Range |
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Satellite photo of the Spectrum Range |
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Peak | Kitsu Peak |
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Elevation | 2,414 m (7,920 ft) |
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Coordinates | 57°26′0″N 130°41′0″W |
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Country | Canada |
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Province | British Columbia |
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Parent range | Tahltan Highland (southwestern Stikine Plateau) |
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Orogeny | Volcanism |
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Age of rock | Pliocene-to-Holocene |
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Type of rock | Shield volcano |
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Geology
Like the Rainbow and Itcha–Ilgachuz Ranges at the western end of the Chilcotin Plateau farther south, the range's name derives from the brilliant colours that are symptomatic from heavy mineralization comprising the material forming the range.[1]
The Spectrum Range is one of four large stratovolcanoes that make up the Mount Edziza volcanic complex. A predominantly lava dome overlies a basal shield volcano. The range is Pliocene in age and on its southwestern flank contains Pleistocene subglacial and subaerial cones and its northwest and southwest sides contain Holocene pyroclastic cones and lava flows. The youngest feature in the volcanic complex could be The Ash Pit.
Mountains
- Artifact Ridge
- Kitsu Peak
- Kounugu Mountain
- Kuno Peak
- Little Iskut
- Obsidian Ridge
- Spectrum Dome
- Yagi Ridge
- Yeda Peak
See also
References
- Scheffel, Richard L.; Wernet, Susan J., eds. (1980). Natural Wonders of the World. United States of America: Reader's Digest Association, Inc. pp. 354. ISBN 0-89577-087-3.
External links
Volcanoes of the Northern Cordilleran Volcanic Province |
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Cinder cones | |
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Subglacial volcanoes | |
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Lava domes | |
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Shield volcanoes | |
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Volcanic fields | |
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Stratovolcanoes | |
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Volcanic plugs | |
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Mountain ranges | |
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Mountains | |
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Provincial parks |
- Atlin/Áa Tlein Téix'i
- Babine Lake Marine
- Babine Mountains
- Babine River Corridor
- Bear Glacier
- Bulkley Junction
- Call Lake
- Chase
- Denetiah
- Driftwood Canyon
- Dune Za Keyih
- Ed Bird – Estella Lakes
- Finlay-Russel
- Iskut River Hot Springs
- Kinaskan Lake
- Little Andrews Bay Marine
- Meziadin Lake
- Mount Blanchet
- Mount Edziza
- Nation Lakes
- Netalzul Meadows
- Nilkitkwa Lake
- Ningunsaw
- Nisga'a Memorial Lava Bed
- Rainbow Alley
- Ross Lake
- Rubyrock Lake
- Seeley Lake
- Seven Sisters
- Spatsizi Headwaters
- Spatsizi Plateau
- Sustut
- Swan Lake Kispiox River
- Tā Chʼilā
- Tatlatui
- Todagin South Slope
- Tuya Mountains
- Tweedsmuir North
- Tweedsmuir South
- Tyhee Lake
- Wistaria
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