Harbour Main Group

{{Short description|Volcanic rock unit cropping out in Newfoundland}} {{Infobox rockunit | image = Harbour Main Group map.svg | caption = Occurrence of the Harbour Main Group in southeastern Newfoundland | type = Group | period = Neoproterozoic | age = Neoproterozoic | prilithology = | otherlithology = | namedfor = | namedby = | region = Newfoundland and Labrador | country = Canada | coordinates = | unitof = | subunits = | underlies = | overlies = | thickness = | extent = | area = | map = | map_caption = }} {{More citations needed|date=February 2026}} The '''Harbour Main Group''' is a group of Neoproterozoic volcanic rocks cropping out in Newfoundland. Contains several distinct volcanic units lying beneath younger sedimentary rocks.<ref>{{cite journal |last1=O’Brien |first1=S. J. |last2=Dunning |first2=G. R. |last3=Dubé |first3=B. |last4=O’Driscoll |first4=C. F. |last5=Sparkes |first5=B. |last6=Israel |first6=S. |last7=Ketchum |first7=J. |title=New insights into the Neoproterozoic geology of the central Avalon Peninsula (parts of NTS map areas 1N/6, 1N/7 and 1N/3), eastern Newfoundland |journal=Current Research, Newfoundland Department of Mines and Energy Geological Survey |volume=1 |year=2001 |pages=169–189 |url=https://www.gov.nl.ca/em/files/mines-geoscience-publications-currentresearch-2001-obrien-s.pdf }}</ref>

==References== {{Reflist}}

Category:Neoproterozoic Newfoundland and Labrador Category:Volcanism of Newfoundland and Labrador