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Triangle Dome

Last updated May 10, 2025

Triangle Dome is a trachytic lava dome in northern British Columbia, Canada. It is thought to have formed in the Pleistocene period.^[1]

References

↑ Catalogue of Canadian volcanoes: Triangle Dome Archived 2007-11-11 at the Wayback Machine

57°43′N130°39′W / 57.72°N 130.65°W / 57.72; -130.65

v t e Mount Edziza volcanic complex
Cinder cones	The Ash Pit Cache Hill Camp Hill Cinder Cliff Cocoa Crater Coffee Crater Eve Cone Exile Hill Icefall Cone Kana Cone Keda Cone Klastline Cone Mess Lake Cone Moraine Cone Nahta Cone Outcast Hill Ridge Cone Sidas Cone Sleet Cone Source Hill Storm Cone Thaw Hill Triplex Cones Twin Cone Walkout Creek centres Williams Cone
Subglacial volcanoes	Pillow Ridge Tennena Cone Tsekone Ridge Wetalth Ridge
Central volcanoes	Armadillo Peak Mount Edziza Ice Peak Spectrum Range
Lava domes	Glacier Dome IGC Centre Nanook Dome Pharaoh Dome The Pyramid Sphinx Dome Triangle Dome
Lava fields	Desolation Lava Field Mess Lake Lava Field Snowshoe Lava Field
Plateaus	Arctic Lake Plateau Big Raven Plateau Kitsu Plateau
Ridges	Artifact Ridge Cartoona Ridge Idiji Ridge Obsidian Ridge Pillow Ridge Sorcery Ridge Tsekone Ridge Wetalth Ridge Yagi Ridge
Mountain passes	Destell Pass Raspberry Pass
Bluffs	Koosick Bluff Ornostay Bluff
Glaciers	Idiji Glacier Tenchen Glacier Tencho Glacier Tennaya Glacier
Streams	Artifact Creek Ball Creek Bourgeaux Creek Chakima Creek Crayke Creek Elwyn Creek Flyin Creek Gerlib Creek Kadeya Creek Kitsu Creek Little Iskut River More Creek Nagha Creek Nido Creek Pyramid Creek Raspberry Creek Sezill Creek Shaman Creek Sorcery Creek Stewbomb Creek Tadekho Creek Taweh Creek Tenchen Creek Tennaya Creek Tsecha Creek Walkout Creek
Stratigraphic units	Armadillo Formation Big Raven Formation (Sheep Track Member) Edziza Formation Ice Peak Formation Kakiddi Formation Klastline Formation Little Iskut Formation Nido Formation Pyramid Formation Raspberry Formation
Other	Cartoona Peak Gnu Butte Mess Creek Escarpment Volcanism of the Mount Edziza volcanic complex

v t e Volcanoes of the Northern Cordilleran Volcanic Province
Cinder cones	Cache Hill Camp Hill Cinder Cliff Cinder Mountain Cocoa Crater Coffee Crater Cone Glacier Volcano Cracker Creek Cone Eve Cone Exile Hill Fort Selkirk Vent Gabrielse Cone Icefall Cone Ibex Mountain Iskut Canyon Cone Kana Cone Keda Cone Klastline Cone Mess Lake Cone Moraine Cone Ne Ch'e Ddhawa Nahta Cone Outcast Hill Prindle Volcano Ridge Cone Ruby Mountain Second Canyon Cone Sidas Cone Sleet Cone Snippaker Creek Cone Source Hill Storm Cone Thaw Hill The Saucer The Volcano Triplex Cones Tseax Cone Twin Cone Volcanic Creek Cone Volcano Mountain Walkout Creek Cone Watson Lake Cone Williams Cone
Subglacial volcanoes	Ash Mountain Chakatah Creek Peak Caribou Tuya Dark Mountain Dome Mountain Enid Creek Cone Isspah Butte Kawdy Mountain King Creek Cone Klinkit Creek Peak Klinkit Lake Peak Little Bear Mountain Little Eagle Cone Mathews Tuya Meehaz Mountain Mount Josephine Nuthinaw Mountain Pillow Ridge South Tuya Tennena Cone Tadekho Hill Toozaza Peak Tom MacKay Creek Cone Tsekone Ridge Tutsingale Mountain Tuya Butte Wetalth Ridge
Lava domes	Cartoona Peak Glacier Dome IGC Centre Nanook Dome Pharaoh Dome Sezill Volcano Sphinx Dome The Pyramid Triangle Dome
Shield volcanoes	Grizzly Butte Heart Peaks Level Mountain Maitland Volcano Spectrum Range Volcano Vent West Vent
Volcanic fields	Atlin Bell-Irving Desolation Fort Selkirk Mess Lake Snowshoe Tuya
Stratovolcanoes	Armadillo Peak Hoodoo Mountain Ice Peak Mount Edziza
Volcanic plugs	Castle Rock The Neck The Thumb

v t e Interior Mountains of Canada
Mountain ranges	Atna Atsutla Axelgold Babine Bait Beady Bornite Bulkley Butler Cariboo Heart Cassiar Chikamin Connelly Cormier Driftwood Eaglenest Espee Finlay Fishing Germansen Hazelton Heart Hogem Horseranch Howson Ingenika Kasalka Kechika Kispiox Klappan Lay Level Mountain McConnell Metsantan Mitchell Morice Nass O.K. Omineca Osilinka Oweegee Pattullo Rocher Déboulé Ruby Russel Samuel Black Sibola Sicintine Sifton Sikanni Sitlika Skeena Skree Slamgeesh Spectrum Stikine Strata Swannell Tahtsa Takla Tatlatui Telkwa Tenakihi Three Sisters Thudaka Tochquonyalla Tucha Tuya Vital Whitesail Wolverine Wrede
Mountains	Ash Cache Camp Caribou Cartoona Castle Rock Chikoida Cronin Dark Edziza Eve Exile Gabrielse Grizzly Gunanoot Howson Ice Icefall Isspah Kana Kawdy Keda Klastline Level Maitland Mathews Meehaz Meszah Moraine Nahlin Nahta Nanook Nuthinaw Outcast Pharaoh Pillow Ridge Sezill Shedin Shelagyote Sidas Sleet Source South Spatsizi Sphinx Storm Tadeda Tadekho Tennena Thomlinson Thudaka Toozaza Triangle Triplex Tseax Tsekone Tutsingale Tuya Twin Volcano West Wetalth Williams Yeda
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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Triangle Dome

See also

References