Valkyrie pipe
Encyclopedia
The Valkyrie pipe is a diatreme
in northern Alberta
, Canada
. It is associated with a group of diatremes called the Birch Mountains kimberlite field
which is thought to have formed about 75 million years ago when this part of Alberta was volcanically active during the Late Cretaceous
period.
Diatreme
A diatreme is a breccia-filled volcanic pipe that was formed by a gaseous explosion. Diatremes often breach the surface and produce a tuff cone, a filled relatively shallow crater known as a maar, or other volcanic pipes.- Word origin :...
in northern Alberta
Alberta
Alberta is a province of Canada. It had an estimated population of 3.7 million in 2010 making it the most populous of Canada's three prairie provinces...
, 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...
. It is associated with a group of diatremes called the Birch Mountains kimberlite field
Birch Mountains kimberlite field
The Birch Mountains kimberlite field is a kimberlite field in Northern Alberta, Canada. It is a product of kimberlite volcanism during the Cretaceous period which was the most prolific period for worldwide kimberlite volcanism...
which is thought to have formed about 75 million years ago when this part of Alberta was volcanically active during the Late Cretaceous
Late Cretaceous
The Late Cretaceous is the younger of two epochs into which the Cretaceous period is divided in the geologic timescale. Rock strata from this epoch form the Upper Cretaceous series...
period.
See also
- Volcanism of Canada
- Volcanism of Western CanadaVolcanism of Western CanadaVolcanism of Western Canada produces lava flows, lava plateaus, lava domes, cinder cones, stratovolcanoes, shield volcanoes, submarine volcanoes, calderas, diatremes and maars, along with examples of more less common volcanic forms such as tuyas and subglacial mounds.-Volcanic belts:*Anahim...
- List of volcanoes in Canada