Cappahayden Formation

Cappahayden Formation
Cappahayden Formation
Stratigraphic range: Ediacaran PreꞒ Ꞓ O S D C P T J K Pg N
Type	Formation
Unit of	Signal Hill Group
Underlies	Gibbett Hill Formation
Overlies	Renews Head Formation
Lithology
Primary	Gray Siltstone
Location
Region	Newfoundland
Country	Canada
	; Occurrence of the Cappahayden Formation in southeastern Newfoundland

Last updated September 23, 2025

The Cappahayden Formation is an Ediacaran formation cropping out in Newfoundland. It comprises fine grey sandstones/siltstones with very fine black parallel laminations, rarely with crossbedding.^[3]

References

↑ "GEOLOGY OF THE AVALON PENINSULA, NEWFOUNDLAND" (PDF).
↑ "Newfoundland & Labrador Geoscience Atlas".
↑ Williams, H; King, A F. "Trepassey map area, Newfoundland". Government of Canada. Geological Survey of Canada. Retrieved 30 May 2025.

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[GotAPN-1] "GEOLOGY OF THE AVALON PENINSULA, NEWFOUNDLAND" (PDF).

[NL_GeoAtlas-2] "Newfoundland & Labrador Geoscience Atlas".

[3] Williams, H; King, A F. "Trepassey map area, Newfoundland". Government of Canada. Geological Survey of Canada. Retrieved 30 May 2025.

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Cappahayden Formation
Stratigraphic range: Ediacaran PreꞒ Ꞓ O S D C P T J K Pg N
Type	Formation
Unit of	Signal Hill Group
Underlies	Gibbett Hill Formation
Overlies	Renews Head Formation
Lithology
Primary	Gray Siltstone ^[1]
Location
Region	Newfoundland
Country	Canada
Occurrence of the Cappahayden Formation in southeastern Newfoundland^[2]