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Sezill Creek

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River in British Columbia, Canada
Sezill Creek
Sezill Creek is located in British ColumbiaSezill CreekMouth of Sezill Creek
Location
CountryCanada
ProvinceBritish Columbia
DistrictCassiar Land District
Physical characteristics
SourceMount Edziza
 • locationBig Raven Plateau
 • coordinates57°41′14″N 130°42′14″W / 57.68722°N 130.70389°W / 57.68722; -130.70389
 • elevation1,858 m (6,096 ft)
MouthTaweh Creek
 • coordinates57°41′49″N 130°52′51″W / 57.69694°N 130.88083°W / 57.69694; -130.88083
 • elevation879 m (2,884 ft)
Length12 km (7.5 mi)
Basin size51.6 km (19.9 sq mi)
Discharge 
 • average1.51 m/s (53 cu ft/s)
Basin features
Topo mapNTS 104G10 Mount Edziza

Sezill Creek is a tributary of Taweh Creek, which in turn is a tributary of Mess Creek, part of the Stikine River watershed in northwest part of the province of British Columbia, Canada. It flows generally northwest for roughly 12 km (7.5 mi) to join Taweh Creek about 5 km (3.1 mi) east of Taweh Creek's confluence with Mess Creek. Sezill means "it is hot" in the Tahltan language, referring to a group of hot springs that occur along the creek.

Sezill Creek's watershed covers 51.6 km (19.9 sq mi) and its mean annual discharge is estimated at 1.51 m/s (53 cu ft/s). The mouth of Sezill Creek is located about 28 km (17 mi) southeast of Telegraph Creek, about 56 km (35 mi) southwest of Iskut and about 98 km (61 mi) southwest of Dease Lake. Sezill Creek's watershed's land cover is classified as 36.2% barren, 24.7% shrubland, 15% conifer forest, 12.4% snow/glacier, 11.1% herbaceous, and small amounts of other cover.

Sezill Creek is in Mount Edziza Provincial Park which lies within the traditional territory of the Tahltan people.

Geography

Sezill Creek originates from the western slope of the massive, glaciated Mount Edziza stratovolcano in the middle of the Big Raven Plateau. From its source between Ornostay Bluff and Koosick Bluff, Sezill Creek flows generally northwest and through a vegetated canyon to Taweh Creek. The head of Sezill Creek flows around an unnamed, low-lying bluff attaining an elevation of 1,872 m (6,142 ft).

Geology

Sezill Creek contains a large group of hot springs about 7 km (4.3 mi) above its junction with Taweh Creek. These hot springs, known as the Sezill Hot Springs or the Taweh Hot Springs, extend along Sezill Creek for more than 500 m (1,600 ft). They occur at an elevation of 1,310 m (4,300 ft) and contain extensive tufa deposits. Their close association with the recently active Snowshoe Lava Field suggests that they may be discharging from a shallow hydrothermal system driven by residual magmatic heat. The main hot spring discharges water at a temperature of 46 °C (115 °F). A jet of 43 °C (109 °F) water on the north side of Sezill Creek is enriched with carbon dioxide.

Thin tongues of unglaciated pillow lava originating from the Mount Edziza volcanic complex extend into the upper part of Sezill Creek canyon. The distal end of this pillow flow has been cut by Sezill Creek to form a narrow, 6 m-deep (20 ft) box canyon. Tuff breccia consisting of blocks and irregular globules of vesicular basalt in a granular matrix commonly underlies the pillow flow.

See also

References

  1. ^ Elevation, length and coordinates derived from Google Earth and the Canadian Geographical Names Database
  2. ^ "Northwest Water Tool". BC Water Tool. GeoBC, Integrated Land Management Bureau, Ministry of Agriculture and Lands, Government of British Columbia. Retrieved 2023-09-26.
  3. ^ "Sezill Creek". BC Geographical Names. Retrieved 2023-09-29.
  4. ^ "Sezill Creek". Geographical Names Data Base. Natural Resources Canada. Retrieved 2023-09-28.
  5. ^ "A 502" (Topographic map). Telegraph Creek, Cassiar Land District, British Columbia (3 ed.). 1:250,000. 104 G (in English and French). Department of Energy, Mines and Resources. 1989. Archived from the original on 2021-05-02. Retrieved 2021-09-25.
  6. Markey, Sean; Halseth, Greg; Manson, Don (2012). Investing in Place: Economic Renewal in Northern British Columbia. University of British Columbia Press. p. 242. ISBN 978-0-7748-2293-0.
  7. "Mount Edziza". BC Geographical Names. Retrieved 2023-10-01.
  8. ^ Souther, J. G. (1992). The Late Cenozoic Mount Edziza Volcanic Complex, British Columbia. Geological Survey of Canada (Report). Memoir 420. Canada Communication Group. pp. 230, 231. doi:10.4095/133497. ISBN 0-660-14407-7.
  9. "Sezill Hot Springs". BC Geographical Names. Retrieved 2023-09-29.
  10. "Edziza: Synonyms & Subfeatures". Global Volcanism Program. Smithsonian Institution. Archived from the original on 2021-08-10. Retrieved 2021-10-03.
Rivers of the Mount Edziza volcanic complex by drainage basin
Iskut RiverArtifact Creek, Ball Creek, Bourgeaux Creek, Gerlib Creek, Little Iskut River, More Creek, Stewbomb Creek
Kakiddi CreekChakima Creek, Nido Creek, Pyramid Creek, Shaman Creek, Sorcery Creek, Tenchen Creek, Tennaya Creek, Tsecha Creek
Mess CreekCrayke Creek, Elwyn Creek, Flyin Creek, Kadeya Creek, Kitsu Creek, Nagha Creek, Raspberry Creek, Sezill Creek, Tadekho Creek, Taweh Creek, Walkout Creek
Mount Edziza volcanic complex
Cinder cones
Subglacial volcanoes
Central volcanoes
Lava domes
Lava fields
Plateaus
Ridges
Mountain passes
Bluffs
Glaciers
Streams
Geological formations
Other
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