Volcano Vent is a small

shield volcano A shield volcano is a type of volcano named for its low profile, resembling a warrior's shield lying on the ground. It is formed by the eruption of highly fluid (low viscosity) lava, which travels farther and forms thinner flows than the more v ...

in northern

British Columbia British Columbia (commonly abbreviated as BC) is the westernmost province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, ...

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...

. It is

Holocene The Holocene ( ) is the current geological epoch. It began approximately 11,650 cal years Before Present (), after the Last Glacial Period, which concluded with the Holocene glacial retreat. The Holocene and the preceding Pleistocene togethe ...

in age and stands in relief above the surrounding area north of the Nazcha Creek and comprises the West Tuya lava field with West Vent and Grizzly Butte. It is one of the three small shield volcanoes in the Tuya Volcanic Field which in turn form part of the

Northern Cordilleran Volcanic Province The Northern Cordilleran Volcanic Province (NCVP), formerly known as the Stikine Volcanic Belt, is a geologic province defined by the occurrence of Miocene to Holocene volcanoes in the Pacific Northwest of North America. This belt of volcanoes ex ...

. Most of the rock studied and sampled at Volcano Vent is massive coherent

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 ...

References

Cassiar Country Volcanoes of British Columbia One-thousanders of British Columbia Shield volcanoes of Canada Northern Cordilleran Volcanic Province Holocene shield volcanoes Monogenetic shield volcanoes Stikine Plateau Holocene British Columbia {{BritishColumbiaInterior-geo-stub

See also

References