Bull Arm Formation | |
---|---|
Stratigraphic range: | |
Type | Formation |
Unit of | Musgravetown Group |
Underlies | Big Head Formation, Rocky Harbour Formation[1] |
Overlies | Cannings Cove Formation[2] |
Lithology | |
Primary | Volcanics |
Location | |
Region | Newfoundland |
Country | Canada |
Occurrence of the Bull Arm Formation in southeastern Newfoundland |
The Bull Arm Formation is a volcanic formation cropping out in Newfoundland, the youngest of the Musgravetown Group.[3] It is defined as everything between the first and last volcanic horizon, with a recognition that some sandstones will be interbedded, and its start and finish may vary across the region depending on how widespread volcanic horizons are in practice.[4]
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