Conception Group

Conception Group
Conception Group
Stratigraphic range: 600–565 Ma (approx.) PreꞒ Ꞓ O S D C P T J K Pg N
Type	Group
Sub-units	Mistaken Point Formation Murphy's Cove Member; Goodland Point Member; ; Briscal Formation (in south Avalon only); Drook Formation contains a number of members and a gabbro intrusion; ; Gaskiers Formation (in south/central Avalon only); Mall Bay Formation (in south Avalon only);
Underlies	St. John's Group
Overlies	Harbour Main Group (unconformably?); Holyrood Intrusive Suite
Location
Region	Newfoundland and Labrador
Country	Canada
	; Bedrock occurrence of the Conception Group on the Avalon Peninsula, Newfoundland

The Conception Group is a geologic group in Newfoundland and Labrador. It preserves fossils dating back to the Ediacaran period. It mainly contains turbidites, but is interrupted by a glacial diamictite, and tops out with sand and siltstones (these dated to 565 Ma).^[1] It corresponds to the lower portion of the Connecting Point Group.^[3]

In some areas the Drook Formation continues from the base of the group to the base of the Mistaken Point Formation; elsewhere (in central / south Avalon) the Briscal, Gaskiers and Mall Bay Formations wedge in.^[3]

References

Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 8 July 2014.

1 2 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.
↑ O'Brien, S.J. and King, A.F., 2005. Late Neoproterozoic (Ediacaran) stratigraphy of Avalon Zone sedimentary rocks, Bonavista Peninsula, Newfoundland. Current Research, Newfoundland and Labrador Department of Natural Resources Geological Survey, 5(1), pp.101-114.
1 2 3 4 King, A.F., 1988. Geology of the Avalon Peninsula, Newfoundland. (parts of 1K, 1L, 1M, 1N and 2C). Newfoundland Department of Mines and Energy, Map 88 – 01.
↑ Liu, A.G.; McIlroy, D. (2015). "Horizontal Surface Traces from the Fermeuse Formation, Ferryland (Newfoundland, Canada), and their Place within the Late Ediacaran Ichnological RevolutionIchnology: publications arising from ICHNIA III". Geological Association of Canada, Miscellaneous Publication. 9: 141–156.

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