Crown Hill Formation Explained

Type:	Formation
Period:	Ediacaran
Prilithology:	Volcanic non-marine
Region:	Newfoundland
Country:	Canada
Unitof:	Musgravetown Group^[1]
Underlies:	Random Formation (conformably, in Random Island area) Others (elsewhere)
Map:	Crown Hill Formation map.svg

Crown Hill Formation is a late Ediacaran volcanic non-marine sedimentary formation in Newfoundland.^[2] It's topped off with a bright red conglomerate, with silt and arkose sands of similar hue too.^[3]

It's subdivided into nine facies, including (on Random Island) Brook Point, Duntara Harbour, Red Cliff (with Bluye Point Horizon subfacies') and Broad Head.^[4] (on Cape St Mary's) Cross Pt Member, Hurrican Brook Mmbr^[3]

Notes and References

1. Web site: Newfoundland and Labrador Geoscience Atlas . geoatlas.gov.nl.ca.
2. Web site: Mines and Energy - GeoFiles Search Results.
3. Web site: Bedrock geology of the Cape St. Mary's Peninsula, southwest Avalon Peninsula, Newfoundland. . Fletcher, T. P.. 2006 . 117.
4. Normore, L. S. 2012: GEOLOGY OF THE RANDOM ISLAND MAP AREA (Nts 2C/04), Newfoundland. Current Research (2012) Newfoundland and Labrador Department of Natural Resources Geological Survey Report 12-:121–145.