Torridonian Supergroup

E617412

The Torridonian Supergroup is a thick sequence of late Precambrian sedimentary rocks in northwest Scotland, renowned for its ancient red sandstones that rest on the Lewisian gneiss and record early continental environments.

All labels observed (1)

Label Occurrences
Torridonian Supergroup canonical 1

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf sedimentary rock sequence ⓘ
supergroup ⓘ
ageInMillionsOfYears approximately 1200 to 1000 Ma ⓘ
color red ⓘ
contains alluvial fan deposits ⓘ
deltaic deposits ⓘ
paleosols ⓘ
river channel deposits ⓘ
country United Kingdom ⓘ
depositionalEnvironment continental ⓘ
fluvial ⓘ
lacustrine ⓘ
forms prominent mountain scenery ⓘ
steep-sided sandstone mountains ⓘ
fossilContent microfossils ⓘ
stromatolites ⓘ
geologicalAge Neoproterozoic ⓘ
linked to: Neoproterozoic Era

late Precambrian ⓘ
hasSedimentaryStructures cross-bedding ⓘ
desiccation cracks ⓘ
ripple marks ⓘ
hasSubunit Sleat Group ⓘ
linked to: Torridon Group

Stoer Group ⓘ
Torridon Group ⓘ
lithology conglomerate ⓘ
mudstone ⓘ
sandstone ⓘ
siltstone ⓘ
locatedIn Scottish Highlands ⓘ
northwest Scotland ⓘ
namedAfter Torridon ⓘ
linked to: Torridon Hills
notableExposure Applecross Peninsula ⓘ
Assynt ⓘ
Coigach ⓘ
Loch Maree ⓘ
overlies Lewisian Gneiss Complex ⓘ
records early continental weathering ⓘ
early terrestrial environments ⓘ
region Caledonian foreland ⓘ
researchSignificance important for Neoproterozoic paleoclimate studies ⓘ
key record of Precambrian continental sedimentation ⓘ
stratigraphicRelationship part of the foreland to the Caledonian Orogeny ⓘ
tectonicSetting rift-related basin ⓘ
thickness over 6 kilometres ⓘ
typeLocality Loch Torridon ⓘ
unconformablyOverlies Lewisian Gneiss Complex ⓘ
underlies Cambrian sedimentary rocks ⓘ

How these facts were elicited

Referenced by (1)

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

Lewisian complex basement → overlainUnconformablyBy → Torridonian Supergroup ⓘ