Strand Fiord Formation
Strand Fiord Formation | |
---|---|
Stratigraphic range: | |
Type | Geological formation |
Underlies | Kanguk Formation |
Overlies | Bastion Ridge Formation |
Lithology | |
Primary | Sill |
Other | Pyroclastic flow |
Location | |
Coordinates | 79°13′52″N 91°52′08″W |
Region | Nunavut |
Country | Canada |
Type section | |
Named for | Strand Fiord |
Named by | Souther, 1963 |
The Strand Fiord Formation is a Late Cretaceous volcanic component, located on northwestern and west-central Axel Heiberg Island, Nunavut, Canada. The formation contains flood basalts which are found on western Axel Heiberg Island at Dragon Cliff 300 m (980 ft) tall.
The Strand Fiord Formation contains columnar jointing units that are usually 1 to 3 m (3 to 10 ft) in diameter. The formation is interpreted to represent the cratonward extension of the Alpha Ridge, a volcanic ridge that was active during the formation of the Amerasia Basin. The Strand Fiord Formation is also part of the High Arctic Large Igneous Province.