Orcadian Basin
E192397
The Orcadian Basin is a sedimentary basin in northern Scotland known for its Devonian-age rock sequences and important fossil fish assemblages.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Orcadian Basin canonical | 1 |
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
geological basin
ⓘ
sedimentary basin ⓘ |
| contains |
Devonian sedimentary rocks
ⓘ
deltaic deposits ⓘ fluvial deposits ⓘ fossiliferous flagstones ⓘ freshwater lake sediments ⓘ lacustrine deposits ⓘ |
| country | United Kingdom ⓘ |
| depositionalEnvironmentIncludes |
alluvial plains
ⓘ
large lake system ⓘ |
| economicGeologyIncludes | building stone resources ⓘ |
| extendsTo |
Caithness
ⓘ
Moray Firth ⓘ
surface form:
Moray Firth region
Orkney Islands ⓘ |
| formedAfter |
Caledonian orogeny
ⓘ
surface form:
Caledonian Orogeny
|
| fossilsInclude |
acanthodian fish
ⓘ
early tetrapod trackways ⓘ osteichthyan fish ⓘ placoderm fish ⓘ |
| geologicalAge | Devonian ⓘ |
| hasGeologicalPeriod |
Late Devonian
ⓘ
Middle Devonian ⓘ |
| hasNotableLocality |
Achanarras Quarry
ⓘ
Orkney archaeological landscape ⓘ
surface form:
Orkney flagstone quarries
Tynet Burn ⓘ |
| hasResearchImportance |
Devonian fish evolution
ⓘ
continental Devonian stratigraphy ⓘ |
| knownFor |
Devonian-age rock sequences
ⓘ
Old Red Sandstone deposits ⓘ fossil fish assemblages ⓘ |
| lithologyIncludes |
limestone
ⓘ
mudstone ⓘ sandstone ⓘ siltstone ⓘ |
| locatedIn |
Scotland
ⓘ
United Kingdom ⓘ northern Scotland ⓘ |
| paleoclimate | semi-arid ⓘ |
| paleogeography | Devonian continental interior basin ⓘ |
| partOf | Caledonian foreland basins ⓘ |
| region | Highlands and Islands ⓘ |
| stratigraphyIncludes |
Middle Devonian sequences
ⓘ
Upper Devonian sequences ⓘ |
| studiedIn |
Devonian vertebrate paleontology
ⓘ
basin analysis ⓘ |
| tectonicSetting | post-Caledonian extensional basin ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.