Holbrook Creek
Encyclopedia
Holbrook Creek is a creek in eastcentral Yukon
, Canada
.
The landscape surrounding Holbrook Creek lies in the Fort Selkirk Volcanic Field
of the Northern Cordilleran Volcanic Province
. During the Pleistocene
period, a basalt
ic lava flow from the Fort Selkirk field engulfed the mouth of the Holbrook Creek. Remnants of this lava flow are exposed along the Yukon River
for about one kilometer.
Yukon
Yukon is the westernmost and smallest of Canada's three federal territories. It was named after the Yukon River. The word Yukon means "Great River" in Gwich’in....
, Canada
Canada
Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...
.
The landscape surrounding Holbrook Creek lies in the Fort Selkirk Volcanic Field
Fort Selkirk Volcanic Field
The Fort Selkirk volcanic field is a monogenetic volcanic field in the Northern Cordilleran Volcanic Province, Yukon Territory, Canada. It is the northernmost Holocene age volcanic field in Canada, located close to the connection of the Yukon and Pelly rivers. The youngest eruptions within the...
of the Northern Cordilleran Volcanic Province
Northern Cordilleran volcanic province
The Northern Cordilleran Volcanic Province , 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...
. During the Pleistocene
Pleistocene
The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and ....
period, a basalt
Basalt
Basalt is a common extrusive volcanic rock. It is usually grey to black and fine-grained due to rapid cooling of lava at the surface of a planet. It may be porphyritic containing larger crystals in a fine matrix, or vesicular, or frothy scoria. Unweathered basalt is black or grey...
ic lava flow from the Fort Selkirk field engulfed the mouth of the Holbrook Creek. Remnants of this lava flow are exposed along the Yukon River
Yukon River
The Yukon River is a major watercourse of northwestern North America. The source of the river is located in British Columbia, Canada. The next portion lies in, and gives its name to Yukon Territory. The lower half of the river lies in the U.S. state of Alaska. The river is long and empties into...
for about one kilometer.
See also
- List of rivers of Yukon
- List of volcanoes in Canada
- List of Northern Cordilleran volcanoes
- Volcanism of Canada
- Volcanism of Northern CanadaVolcanism of Northern CanadaVolcanism of Northern Canada has led to the formation of hundreds of volcanic areas and extensive lava formations across Northern Canada, indicating volcanism played a major role in shaping its surface...