Musgravetown Group

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Musgravetown Group
Stratigraphic range: Ediacaran
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O
S
D
C
P
T
J
K
Pg
N
Type Group
Sub-units

(in Random Island map area [1] )

(elsewhere?) [2]

[2]

(on Cape St Mary's Peninsula [3] )

Underlies Bonavista Group (unconformably)
Overlies Connecting Point Group
Location
RegionDominion of Newfoundland Red Ensign.svg  Newfoundland
CountryFlag of Canada.svg  Canada
Musgravetown Group map.svg
Occurrence of the Musgravetown Group in southeastern Newfoundland

The Musgravetown Group is a terminal Ediacaran stratigraphic group of terrestrialish sandstones, lavas and tuffs [4] cropping out in Newfoundland.

It corresponds temporally to the Signal Hill Group further east.

Signal Hill Group

The Signal Hill Group is a siliciclastic Group of marine Ediacaran strata, cropping out in Newfoundland, in the eastern Bonavista Peninsula and the eastern Avalon peninsula.

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Conception Group

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 . It corresponds to the lower portion of the Connecting Point Group

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Crown Hill Formation

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Blackhead Formation

The Blackhead Formation is an Ediacaran geological formation cropping out in Eastern Newfoundland, with five subdivisions, two of which are named: the Maddox Cove and Deadman's Bay members.

Quidi Vidi Formation

Quidi Vidi Formation is an Ediacaran stratigraphic unit consisting of red sandstone deposited on an alluvial plain.

Connecting Point Group

The Connecting Point Group is a Late Neoproterozoic geological formation cropping out on the Avalon Peninsula of Newfoundland, dominated by deep marine turbidite deposits.

Hearts Desire Formation

The Heart's Desire Formation is a formation of 'olive-green' sandstones cropping out in Newfoundland.

References

  1. Myrow, P (1995). "Neoproterozoic rocks of the Newfoundland Avalon Zone". Precambrian Research. 73: 123. doi:10.1016/0301-9268(94)00074-2.
  2. 1 2 Geology compiled by A. F. King Map series edited by S. P. Colman-Sadd and J. P. Hayes, GEOLOGY OF THE AVALON PENINSULA, NEWFOUNDLAND (parts of 1K, 1L, 1M, 1N and 2C) Map 88-01 (Digital reproduction) (PDF)
  3. (PDF) http://www.nr.gov.nl.ca/nr/mines/geoscience/publications/report06_02.pdf.Missing or empty |title= (help)
  4. 1 2 (PDF) http://www.nr.gov.nl.ca/nr/mines/geoscience/publications/currentresearch/2005/obrien.pdf.Missing or empty |title= (help)
  5. Normore, L.S. (2012). Geology of the Random Island map area (NTS 2C/04), Newfoundland. Curr. Res. Newfoundl. Labrador Dep. Nat. Resour. Geol. Surv. Report 12-, 121–145.