Pyramid Formation (British Columbia)
| Pyramid Formation | |
|---|---|
| Stratigraphic range: | |
The Pyramid consists of Pyramid Formation trachyte | |
| Type | Geological formation |
| Unit of | Mount Edziza volcanic complex |
| Underlies | Ice Peak Formation, Edziza Formation |
| Overlies | Nido Formation |
| Lithology | |
| Primary | Trachyte, comendite, pantellerite |
| Other | Basalt |
| Location | |
| Coordinates | 57°30′N 130°36′W / 57.5°N 130.6°W |
| Region | British Columbia |
| Country | Canada |
| Type section | |
| Named for | The Pyramid |
| Named by | Souther et al. |
| Year defined | 1984 |
Cross section showing the maximum extent of the Pyramid Formation at the end of Pyramid time | |
The Pyramid Formation is a stratigraphic unit of Pleistocene age in northwestern British Columbia, Canada.