Rhyolite?
It is very hard to find out exactly what all the rock units are at Old Man Cove along the Green Gardens Trail. The geology is complex and there are many layers of very different rock types all adjacent to one another. I _think_ this large reddish cliff is rhyolite, but I'm not sure.
This image is from the presentation "Overland to the Rock - A Road Trip to Newfoundland via the recently completed Trans Labrador Highway - Main Narrative Part III".

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