Kuno Peak is a mountain peak in the

Spectrum Range The Spectrum Range, formerly gazetted as the Spectrum Mountains and the Rainbow Mountains, is a small mountain range in Cassiar Land District of northwestern British Columbia, Canada. Located at the southern end of the Tahltan Highland, it bord ...

at the southern end of the

Mount Edziza volcanic complex The Mount Edziza volcanic complex ( ; abbreviated MEVC) is a group of volcanoes and associated lava flows in northwestern British Columbia, Canada. Located on the Tahltan Highland, it is southeast of Telegraph Creek and southwest of Dease Lak ...

in northwestern

British Columbia British Columbia is the westernmost Provinces and territories of Canada, province of Canada. Situated in the Pacific Northwest between the Pacific Ocean and the Rocky Mountains, the province has a diverse geography, with rugged landscapes that ...

, Canada. It is south of

Yagi Ridge Yagi Ridge is a mountain ridge extending northwest from the middle of the Spectrum Range at the southern end of the Mount Edziza volcanic complex in northwestern British Columbia, Canada. It is bounded on the north by Nagha Glacier and Nagha Cre ...

, west of

Yeda Peak Yeda Peak is a volcanic peak of the Spectrum Range on the Tahltan Highland of northwestern British Columbia, Canada, located southwest of Tatogga and south of Kitsu Peak. It is believed Yeda Peak last erupted during the Pliocene period. See ...

, southeast of Outcast Hill, east of

Exile Hill Exile Hill, sometimes referred to as Exile Peak, is an isolated hill in Cassiar Land District of northwestern British Columbia, Canada. It has an elevation of and is part of the Arctic Lake Plateau or the neighbouring Spectrum Range, which ar ...

, northeast of Tadekho Hill and north of Little Arctic Lake, the latter four of which are on the northern end of the Arctic Lake Plateau. It has an elevation of and lies at the southwestern end of the Spectrum Range.

Tadekho Creek Tadekho Creek is a tributary of Mess Creek and part of the Stikine River drainage basin, watershed in northwest part of the Provinces and territories of Canada, province of British Columbia, Canada. It flows generally northwest for roughly Lengths ...

originates from the southern flank of the

ridge A ridge is a long, narrow, elevated geomorphologic landform, structural feature, or a combination of both separated from the surrounding terrain by steep sides. The sides of a ridge slope away from a narrow top, the crest or ridgecrest, wi ...

connecting Kuno Peak with Yeda Peak. Kuno Peak is at the south end of

Mount Edziza Provincial Park Mount Edziza Provincial Park is a provincial park in Cassiar Land District of northern British Columbia, Canada. It was established on 27 July 1972 to showcase the Mount Edziza volcanic complex and the surrounding Tahltan Highland. Geography The ...

which is southeast of the community of

Telegraph Creek Telegraph Creek is a small community located off Highway 37 in northern British Columbia at the confluence of the Stikine River and Telegraph Creek. The only permanent settlement on the Stikine River, it is home to approximately 250 members of ...

. It is named after Hisashi Kuno, a Japanese

volcanologist A volcanologist, or volcano scientist, is a geologist who focuses on understanding the formation and eruptive activity of volcanoes. Volcanologists frequently visit volcanoes, sometimes active ones, to observe and monitor volcanic eruptions, col ...

and teacher who visited the area with Canadian volcanologist

Jack Souther Jack Gordon Souther (April 25, 1924 – June 1, 2014) was an American Canadian, American-born Canadian geologist, volcanologist, professor and engineer. He contributed significantly to the early understanding of Quaternary, recent volcanic activi ...

in 1966. The name of the peak became official on January 2, 1980, after being submitted to the

BC Geographical Names The BC Geographical Names (formerly BC Geographical Names Information System or BCGNIS) is a geographic name web service and database for the Canadian province of British Columbia run by the Base Mapping and Geomatic Services Branch of the Integr ...

office by the

Geological Survey of Canada The Geological Survey of Canada (GSC; , CGC) is a Canadian federal government agency responsible for performing geological surveys of the country developing Canada's natural resources and protecting the environment. A branch of the Earth Science ...

Geology

Kuno Peak is formed mainly of

Pliocene The Pliocene ( ; also Pleiocene) is the epoch (geology), epoch in the geologic time scale that extends from 5.33 to 2.58volcanic rock Volcanic rocks (often shortened to volcanics in scientific contexts) are rocks formed from lava erupted from a volcano. Like all rock types, the concept of volcanic rock is artificial, and in nature volcanic rocks grade into hypabyssal and me ...

s of the Spectrum Formation which consists of comendite, pantellerite and pantelleritic

trachyte Trachyte () is an extrusive igneous rock composed mostly of alkali feldspar. It is usually light-colored and aphanite, aphanitic (fine-grained), with minor amounts of mafic minerals, and is formed by the rapid cooling of lava (or shallow intrus ...

. These rocks are in the form of

lava flow Lava is molten or partially molten rock (magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a Natural satellite, moon onto its surface. Lava may be erupted at a volcano or through a Fissure vent, fractu ...

s as well as minor

breccia Breccia ( , ; ) is a rock composed of large angular broken fragments of minerals or Rock (geology), rocks cementation (geology), cemented together by a fine-grained matrix (geology), matrix. The word has its origins in the Italian language ...

and

ash flow A pyroclastic flow (also known as a pyroclastic density current or a pyroclastic cloud) is a fast-moving current of hot volcanic gas, gas and volcanic matter (collectively known as tephra) that flows along the ground away from a volcano at average ...

deposits. The Spectrum Formation is the eroded remains of a large

lava dome In volcanology, a lava dome is a circular, mound-shaped protrusion resulting from the slow extrusion of viscous lava from a volcano. Dome-building eruptions are common, particularly in convergent plate boundary settings. Around 6% of eruptions ...

that forms the current

pyramidal peak A pyramidal peak, sometimes called a glacial horn in extreme cases, is an angular, sharply pointed mountain peak which results from the cirque erosion due to multiple glaciers diverging from a central point. Pyramidal peaks are often examples o ...

s and ridges of the Spectrum Range. The southwestern flank of Kuno Peak contains the remains of a Big Raven Formation

cinder cone A cinder cone or scoria cone is a steep, volcanic cone, conical landform of loose pyroclastic rock, pyroclastic fragments, such as volcanic ash, clinkers, or scoria that has been built around a volcanic vent. The pyroclastic fragments are forme ...

that was subsequently destroyed by landsliding on the peak. This

basalt Basalt (; ) is an aphanite, aphanitic (fine-grained) extrusive igneous rock formed from the rapid cooling of low-viscosity lava rich in magnesium and iron (mafic lava) exposed at or very near the planetary surface, surface of a terrestrial ...

Holocene The Holocene () is the current geologic time scale, geological epoch, beginning approximately 11,700 years ago. It follows the Last Glacial Period, which concluded with the Holocene glacial retreat. The Holocene and the preceding Pleistocene to ...

was the source of a lava flow but it was later buried under debris from the landsliding.

References

External links

*{{cite cgndb, id=JALHG, title=Kuno Peak Spectrum Range Two-thousanders of British Columbia

Geology

See also

References

External links