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 |
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
NERFINISHED
ⓘ
late Precambrian ⓘ |
| hasSedimentaryStructures |
cross-bedding
ⓘ
desiccation cracks ⓘ ripple marks ⓘ |
| hasSubunit |
Sleat Group
NERFINISHED
ⓘ
Stoer Group NERFINISHED ⓘ Torridon Group NERFINISHED ⓘ |
| lithology |
conglomerate
ⓘ
mudstone ⓘ sandstone ⓘ siltstone ⓘ |
| locatedIn |
Scottish Highlands
ⓘ
northwest Scotland NERFINISHED ⓘ |
| namedAfter | Torridon NERFINISHED ⓘ |
| notableExposure |
Applecross Peninsula
NERFINISHED
ⓘ
Assynt NERFINISHED ⓘ Coigach NERFINISHED ⓘ Loch Maree NERFINISHED ⓘ |
| overlies | Lewisian Gneiss Complex NERFINISHED ⓘ |
| records |
early continental weathering
ⓘ
early terrestrial environments ⓘ |
| region | Caledonian foreland NERFINISHED ⓘ |
| 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 NERFINISHED ⓘ |
| unconformablyOverlies | Lewisian Gneiss Complex NERFINISHED ⓘ |
| underlies | Cambrian sedimentary rocks ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.