Crown Hill Formation is a late Ediacaran volcanic non-marine sedimentary formation in Newfoundland. It's topped off with a bright red conglomerate, with silt and arkose sands of similar hue too.
It's subdivided into nine facies, including (on Random Island) Brook Point, Duntara Harbour, Red Cliff (with Bluye Point Horizon subfacies') and Broad Head.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. (on Cape St Mary's) Cross Pt Member, Hurricane Brook Mmbr
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