{{short description|Triassic alluvial lithostratigraphic group beneath the central and northern North Sea}} {{Infobox rockunit | name = Heron Group | image = | caption = | type = Group | age = Late Triassic Epoch | prilithology = | otherlithology = | namedfor = | namedby = | region = North Sea | country = Scotland | coordinates = | unitof = | subunits = | underlies = | overlies = Zechstein Group | thickness = | extent = | area = | map = | map_caption = }}
The '''Heron Group''' is a Triassic lithostratigraphic group (a sequence of rock strata) beneath the central and northern North Sea which is composed of alluvial deposits.<ref>''Stratigraphical Chart of the United Kingdom:Northern Britain'', British Geological Survey</ref><ref>http://www.bgs.ac.uk/Lexicon/lexicon.cfm?pub=HERO (BGS on-line lexicon of rock units)</ref>
==References== {{Reflist}}
Category:Triassic System of Europe Category:Geology of the North Sea