# Kakiddi Formation

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Geological formation in British Columbia

Kakiddi Formation Stratigraphic range: 0.31–0.28 Ma PreꞒ Ꞓ O S D C P T J K Pg N Punch Cone of the Kakiddi Formation with Triangle Dome of the Edziza Formation in the right background. Type Geological formation[1] Unit of Mount Edziza volcanic complex[2] Underlies Big Raven Formation[1] Overlies Ice Peak Formation, Nido Formation[1] Lithology Primary Trachyte[1] Other Mugearite[1] Location Coordinates 57°30′N 130°36′W / 57.5°N 130.6°W / 57.5; -130.6[2] Region British Columbia[1] Country Canada[1] Type section Named by Souther et al.[3] Year defined 1984[3] Paleogeological map showing the inferred maximum extent of the Kakiddi Formation at the end of the Kakiddi eruptive period

The **Kakiddi Formation** is a [stratigraphic unit](/source/Stratigraphic_unit) of [Pleistocene](/source/Pleistocene) age in northwestern [British Columbia](/source/British_Columbia), Canada.

## Name

The Kakiddi Formation is the namesake of [Kakiddi Creek](/source/Kakiddi_Creek), which flows north along the eastern side of the [Mount Edziza volcanic complex](/source/Mount_Edziza_volcanic_complex) to the [Klastline River](/source/Klastline_River). It is also the samesake of [Kakiddi Lake](/source/Kakiddi_Lake) where rocks of the Kakiddi Formation are exposed near its western shore.[4]

## Geology

The Kakiddi Formation has a volume of 8.3 km3 (2.0 mi3), making it one of the least voluminous of the 13 [geological formations](/source/Geological_formation) comprising the Mount Edziza volcanic complex.[2] It overlies the Ice Peak and [Nido](/source/Nido_Formation) formations on the eastern side of [Ice Peak](/source/Ice_Peak) and is overlain by the [Big Raven Formation](/source/Big_Raven_Formation) at the mouth of [Tennaya Creek](/source/Tennaya_Creek) valley between [Nuttlude Lake](/source/Nuttlude_Lake) and Kakiddi Lake.[1][4]

[K–Ar dating](/source/K%E2%80%93Ar_dating) of the Kakiddi Formation has yielded ages of 0.31 ± 0.07 million years for [mugearite](/source/Mugearite), 0.30 ± 0.02 million years for [trachyte](/source/Trachyte), 0.29 ± 0.02 million years for Kakiddi [feldspar](/source/Feldspar) and 0.28 ± 0.2 million years for [pantelleritic](/source/Pantelleritic) trachyte.[1] This suggests that the Kakiddi Formation was deposited by a short-lived period of volcanic activity during the [Pleistocene](/source/Pleistocene).[5]

## See also

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

## References

1. ^ [***a***](#cite_ref-Souther_1-0) [***b***](#cite_ref-Souther_1-1) [***c***](#cite_ref-Souther_1-2) [***d***](#cite_ref-Souther_1-3) [***e***](#cite_ref-Souther_1-4) [***f***](#cite_ref-Souther_1-5) [***g***](#cite_ref-Souther_1-6) [***h***](#cite_ref-Souther_1-7) [***i***](#cite_ref-Souther_1-8) [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. [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).

1. ^ [***a***](#cite_ref-Edwards_2-0) [***b***](#cite_ref-Edwards_2-1) [***c***](#cite_ref-Edwards_2-2) Edwards, Benjamin Ralph (1997). *Field, kinetic, and thermodynamic studies of magmatic assimilation in the Northern Cordilleran Volcanic Province, northwestern British Columbia* (PhD thesis). [University of British Columbia](/source/University_of_British_Columbia). p. 10. [ISBN](/source/ISBN_(identifier)) [0-612-25005-9](https://en.wikipedia.org/wiki/Special:BookSources/0-612-25005-9).

1. ^ [***a***](#cite_ref-LCGU_3-0) [***b***](#cite_ref-LCGU_3-1) ["Kakiddi Formation"](https://weblex.canada.ca/html/000000/GSCC00053000458.html). *[Lexicon of Canadian Geologic Units](/source/Lexicon_of_Canadian_Geologic_Units)*. [Government of Canada](/source/Government_of_Canada). Retrieved 2025-03-23.

1. ^ [***a***](#cite_ref-Souther2_4-0) [***b***](#cite_ref-Souther2_4-1) [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. **[^](#cite_ref-5)** [Souther, J. G.](/source/Jack_Souther); [Armstrong, R. L.](/source/Richard_Lee_Armstrong); Harakal, J. (1984). "Chronology of the Peralkaline, Late Cenozoic Mount Edziza Volcanic Complex, Northern British Columbia, Canada". *[Geological Society of America Bulletin](/source/Geological_Society_of_America_Bulletin)*. **95** (3). [Geological Society of America](/source/Geological_Society_of_America): 346, 347. [Bibcode](/source/Bibcode_(identifier)):[1984GSAB...95..337S](https://ui.adsabs.harvard.edu/abs/1984GSAB...95..337S). [doi](/source/Doi_(identifier)):[10.1130/0016-7606(1984)95<337:COTPLC>2.0.CO;2](https://doi.org/10.1130%2F0016-7606%281984%2995%3C337%3ACOTPLC%3E2.0.CO%3B2). [ISSN](/source/ISSN_(identifier)) [0016-7606](https://search.worldcat.org/issn/0016-7606).

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 [Kakiddi Formation](https://en.wikipedia.org/wiki/Kakiddi_Formation) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Kakiddi_Formation?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.