Ospika pipe
Encyclopedia
The Ospika pipe is a small composite diatreme
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 British Columbia
British Columbia
British Columbia is the westernmost of Canada's provinces and is known for its natural beauty, as reflected in its Latin motto, Splendor sine occasu . Its name was chosen by Queen Victoria in 1858...

, 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...

, located approximately 140 km (87 mi) north-northwest of Mackenzie
Mackenzie, British Columbia
Mackenzie is a District Municipality within the Fraser-Fort George Regional District in central British Columbia, Canada. The settlement is located at the south end of Williston Lake. The townsite, established by Alexandra Forest Industries, was named for Sir Alexander MacKenzie . Mackenzie's two...

, on the east side of Williston Lake
Williston Lake
Williston Lake is a reservoir created by the W. A. C. Bennett Dam and is located in the Northern Interior of British Columbia, Canada.-Geography:...

 between the Peace Reach and Ospika River
Ospika River
The Ospika River is a river in the Northern Interior of British Columbia, Canada, rising in the Northern Rocky Mountains to the north of Lake Williston and flowing south to join that lake in the lower end of its Finlay Reach. Before the creation of that lake by the building of WAC Bennett Dam, it...

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