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.[1][2]
See also
editReferences
edit
 | This Alberta location article is a stub. You can help Wikipedia by expanding it. |
 | This article about a specific Canadian geological feature is a stub. You can help Wikipedia by expanding it. |