# Yagi Ridge

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Mountain ridge in the country of Canada

Yagi Ridge Yagi Ridge Location in British Columbia Highest point Elevation 2,243 m (7,359 ft)[1] Coordinates 57°23′53.06″N 130°41′51.26″W / 57.3980722°N 130.6975722°W / 57.3980722; -130.6975722[1] Geography Country Canada Province British Columbia District Cassiar Land District[2] Parent range Spectrum Range[3] Topo map NTS 104G7 Mess Lake[2]

**Yagi Ridge** is a [mountain](/source/Mountain) [ridge](/source/Ridge) extending northwest from the middle of the [Spectrum Range](/source/Spectrum_Range) at the southern end of the [Mount Edziza volcanic complex](/source/Mount_Edziza_volcanic_complex) in northwestern [British Columbia](/source/British_Columbia), Canada. It is bounded on the north by Nagha Glacier and [Nagha Creek](/source/Nagha_Creek) valley, on the south by Yeda Creek on the [Arctic Lake Plateau](/source/Arctic_Lake_Plateau) and on the west by [Mess Creek](/source/Mess_Creek) valley.[4] Yagi Ridge reaches an elevation of 2,243 metres (7,359 feet) at the head of Nagha Glacier where its eastern end adjoins to the Spectrum Range just northwest of [Yeda Peak](/source/Yeda_Peak).[1][4]

The ridge is at the southern end of [Mount Edziza Provincial Park](/source/Mount_Edziza_Provincial_Park) and is named after [Kenzō Yagi](/source/Kenz%C5%8D_Yagi), a Japanese [volcanologist](/source/Volcanologist) who traversed it with Canadian volcanologist [Jack Souther](/source/Jack_Souther) during a visit to Canada in 1966.[2][5] Yagi also means [mountain goat](/source/Mountain_goat) in the Japanese language which exist in abundance around the ridge.[5]

## Geology

The base of Yagi Ridge is covered with glacial, [talus](/source/Scree) and landslide deposits. The oldest rocks comprising the ridge are [Miocene](/source/Miocene) [alkali basalt](/source/Alkali_basalt) flows of the [Raspberry Formation](/source/Raspberry_Formation) which are exposed on its southwestern side. Overlying the Raspberry Formation are [Pliocene](/source/Pliocene) alkali basalt flows of the Kounugu Member of the [Nido Formation](/source/Nido_Formation) which are exposed on the western and southwestern sides of Yagi Ridge. The dominant rocks comprising Yagi Ridge are Pliocene [comendite](/source/Comendite), [pantellerite](/source/Pantellerite) and pantelleritic [trachyte](/source/Trachyte) of the Spectrum Formation which are mainly in the form of [lava domes](/source/Lava_dome) and lava flows; [hydrothermally altered](/source/Hydrothermally_altered) vent [breccia](/source/Breccia) overlies these [volcanic rocks](/source/Volcanic_rock) locally.[4]

## See also

- [Volcanism of the Mount Edziza volcanic complex](/source/Volcanism_of_the_Mount_Edziza_volcanic_complex)

## References

1. ^ [***a***](#cite_ref-KF_1-0) [***b***](#cite_ref-KF_1-1) [***c***](#cite_ref-KF_1-2) Elevation and coordinates derived from [Google Earth](/source/Google_Earth).

1. ^ [***a***](#cite_ref-BCGN_2-0) [***b***](#cite_ref-BCGN_2-1) [***c***](#cite_ref-BCGN_2-2) ["Yagi Ridge"](https://apps.gov.bc.ca/pub/bcgnws/names/24767.html). *[BC Geographical Names](/source/BC_Geographical_Names)*. Government of British Columbia – B.C. Geographical Names Office (BCGNO).

1. **[^](#cite_ref-3)** "A 502" (Topographic map). [*Telegraph Creek, Cassiar Land District, British Columbia*](https://web.archive.org/web/20210502071600/https://volcano.si.edu/maps/GVAlaskaCanada/G910509-006.jpg) (3 ed.). 1:250,000. 104 G (in English and French). [Department of Energy, Mines and Resources](/source/Department_of_Energy%2C_Mines_and_Resources). 1989. Archived from [the original](https://volcano.si.edu/maps/GVAlaskaCanada/G910509-006.jpg) on 2021-05-02. Retrieved 2021-09-25.

1. ^ [***a***](#cite_ref-Souther_4-0) [***b***](#cite_ref-Souther_4-1) [***c***](#cite_ref-Souther_4-2) [Souther, J. G.](/source/Jack_Souther) (1988). "1623A" ([Geological map](/source/Geological_map)). *Geology, Mount Edziza Volcanic Complex, British Columbia*. 1:50,000. Cartography by M. Sigouin, [Geological Survey of Canada](/source/Geological_Survey_of_Canada). [Energy, Mines and Resources Canada](/source/Energy%2C_Mines_and_Resources_Canada). [doi](/source/Doi_(identifier)):[10.4095/133498](https://doi.org/10.4095%2F133498).

1. ^ [***a***](#cite_ref-Souther2_5-0) [***b***](#cite_ref-Souther2_5-1) [Souther, J. G.](/source/Jack_Souther) (1992). The Late Cenozoic Mount Edziza Volcanic Complex, British Columbia. *[Geological Survey of Canada](/source/Geological_Survey_of_Canada)* (Report). Memoir 420. Canada Communication Group. p. 320. [doi](/source/Doi_(identifier)):[10.4095/133497](https://doi.org/10.4095%2F133497). [ISBN](/source/ISBN_(identifier)) [0-660-14407-7](https://en.wikipedia.org/wiki/Special:BookSources/0-660-14407-7).

## External links

- ["Yagi Ridge"](https://geonames.nrcan.gc.ca/search-place-names/unique?id=JBSCM). *[Geographical Names Data Base](/source/GeoBase_(geospatial_data)#Geographical_Names_Data_Base)*. [Natural Resources Canada](/source/Natural_Resources_Canada).

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 (Tenchen Member) Pyramid Formation Raspberry Formation Other Cartoona Peak Gnu Butte Mess Creek Escarpment Volcanism of the Mount Edziza volcanic complex

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Adapted from the Wikipedia article [Yagi Ridge](https://en.wikipedia.org/wiki/Yagi_Ridge) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Yagi_Ridge?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.