K252 pipe

K252 pipe is a diamondiferous diatreme in the Buffalo Head Hills kimberlite field of Northern Alberta, Canada. It is thought to have formed about 85 million years ago when this part of Alberta was volcanically active during the Late Cretaceous period. [http://www.cosis.net/abstracts/9IKC/00281/9IKC-A-00281-1.pdf?PHPSESSID=aa8d4e5da867c91b77c682776d5e4336 Emplacement characteristics of Late Cretaceous and Paleocene pyroclastic and injected kimberlites in northern Alberta, Canada] ] It contains pyroclastic textures and is intruded into Cenomanian and Albian aged strata.

ee also

*List of volcanoes in Canada
*Volcanism in Canada

References