St. John's Group

St John's Group
Stratigraphic range: Ediacaran [1] (post-565 Ma)
TypeGroup
Sub-units[2]
UnderliesSignal Hill Group[3]
OverliesConception Group[3]
Lithology
PrimaryShale[4]
Location
RegionNewfoundland and Labrador
CountryCanada

Occurrence of St. John's Group in the bedrock of Newfoundland

The St John's Group is a fossiliferous shale-dominated Ediacaran geologic group in Newfoundland and Labrador, younger than 565 ± 3 million years ago.[1]

It corresponds to the upper portion of the Connecting Point Group[5]

See also

References

  1. ^ a b Myrow, P (1995). "Neoproterozoic rocks of the Newfoundland Avalon Zone". Precambrian Research. 73 (1–4): 123–136. Bibcode:1995PreR...73..123M. doi:10.1016/0301-9268(94)00074-2.
  2. ^ O'Brien, S. J.; King, A. F. (2005). "Late neoproterozoic (ediacaran) stratigraphy of avalon zone sedimentary rocks, Bonavista Peninsula, Newfoundland" (PDF). Geological Report.
  3. ^ a b A.G. Liu; D. McIlroy (September 2014). "Horizontal Surface Traces from the Fermeuse Formation, Ferryland (Newfoundland, Canada), and their Place within the Late Ediacaran Ichnological Revolution" (PDF). Geological Association of Canada - Special Paper (9).[dead link‍]
  4. ^ Management plan. Fortune head ecological reserve Archived 14 July 2017 at the Wayback Machine
  5. ^ A. F. King, S. P. Colman-Sadd; J. P. Hayes (eds.), GEOLOGY OF THE AVALON PENINSULA, NEWFOUNDLAND (parts of 1K, 1L, 1M, 1N and 2C) Map 88-01 (Digital reproduction) (PDF)


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