Lias Group
E930715
The Lias Group is a sequence of Lower Jurassic sedimentary rock formations widely exposed in parts of western Europe, particularly known for its marine fossils and importance in stratigraphy and petroleum geology.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lias Group canonical | 1 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
lithostratigraphic group
ⓘ
sedimentary rock unit ⓘ |
| chronostratigraphicRange |
Hettangian
ⓘ
Pliensbachian NERFINISHED ⓘ Sinemurian ⓘ Toarcian NERFINISHED ⓘ |
| containsFossilsOf |
ammonites
ⓘ
bivalves ⓘ brachiopods ⓘ marine reptiles ⓘ |
| country |
France
ⓘ
Germany NERFINISHED ⓘ Netherlands ⓘ United Kingdom ⓘ |
| depositionalEnvironment | marine ⓘ |
| discipline |
petroleum geology
ⓘ
sedimentology ⓘ stratigraphy ⓘ |
| geographicDistribution |
France
NERFINISHED
ⓘ
Germany NERFINISHED ⓘ Netherlands NERFINISHED ⓘ United Kingdom NERFINISHED ⓘ western Europe ⓘ |
| geologicAge | Lower Jurassic ⓘ |
| hasColorCharacteristic |
blue-grey
ⓘ
dark grey ⓘ |
| hasEconomicImportance |
hydrocarbon reservoir potential
ⓘ
hydrocarbon source rock potential ⓘ |
| hasSubunit |
Blue Lias Formation
NERFINISHED
ⓘ
Charmouth Mudstone Formation NERFINISHED ⓘ Marlstone Rock Formation NERFINISHED ⓘ Whitby Mudstone Formation NERFINISHED ⓘ |
| knownFor |
abundant marine fossils
ⓘ
biostratigraphic importance ⓘ importance in petroleum geology ⓘ |
| lithology |
limestone
ⓘ
marl ⓘ mudstone ⓘ sandstone ⓘ shale ⓘ siltstone ⓘ |
| namedAfter | Lias (traditional name for early Jurassic strata) ⓘ |
| partOf | Mesozoic Era NERFINISHED ⓘ |
| stratigraphicPositionAbove | Triassic formations ⓘ |
| stratigraphicPositionBelow | Middle Jurassic formations ⓘ |
| typeLocality | Lyme Regis area NERFINISHED ⓘ |
| usedFor |
biostratigraphic correlation
ⓘ
petroleum system analysis ⓘ sequence stratigraphy ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.