Dalradian Supergroup

E28519

The Dalradian Supergroup is a thick sequence of late Precambrian to early Paleozoic metamorphic sedimentary and volcanic rocks extensively exposed in the Scottish Highlands and parts of Ireland.

All labels observed (4)

Label Occurrences
Dalradian Supergroup canonical 3
Borrowdale Volcanic Group rocks 1
Dalradian Supergroup units 1

How this entity was disambiguated

Statements (49)

Predicate Object
instanceOf geologic supergroup
metamorphic rock sequence
containsFossils Ediacaran microfossils
trace fossils
containsRockType marble
metabasic rocks
metavolcanic rocks
pelite
psammite
quartzite
schist
containsStructure cleavage
folds
thrust faults
country Ireland
United Kingdom
depositionalEnvironment deep marine basin
marine shelf
volcanic arc-related settings
economicImportance host to base metal mineralization
host to gold mineralization
geologicAge Neoproterozoic
early Paleozoic
late Precambrian
hasSubdivision Appin Group
Grampian Group
surface form: Argyll Group

Grampian Group
Southern Uplands
surface form: Southern Highland Group
lithology metamorphic rocks
metasedimentary rocks
metavolcanic rocks
locatedIn Scottish Highlands
surface form: Grampian Highlands

Northern Ireland
Ireland
surface form: Republic of Ireland

Scottish Highlands
metamorphicGrade amphibolite facies
greenschist facies
metamorphismRelatedTo Caledonian orogeny
Caledonian orogeny
surface form: Grampian orogeny
namedAfter Dál Riata
overlies Lewisian complex basement
Moine Supergroup
partOf Caledonian orogeny
surface form: Caledonian orogen
stratigraphicThickness several kilometres
tectonicSetting passive continental margin
timeSpanEnd Early Ordovician
timeSpanStart Ediacaran
underlies Lower Paleozoic cover sequences
Old Red Sandstone

How these facts were elicited

Referenced by (6)

Full triples — surface form annotated when it differs from this entity's canonical label.

Highland Boundary Fault northSideRockType Dalradian Supergroup
Scafell Pike material Dalradian Supergroup
this entity surface form: Borrowdale Volcanic Group rocks
Gigha hasGeology Dalradian Supergroup
this entity surface form: Dalradian rocks
Grampian Group underlies Dalradian Supergroup
this entity surface form: Dalradian Supergroup units
Grampian Group partOf Dalradian Supergroup
Appin Group partOf Dalradian Supergroup