usedAsChronostratigraphicMarkerFor
P77985
predicate
Indicates that something serves as a reference point or marker for defining or correlating geological time intervals in a chronostratigraphic framework.
Observed surface forms (13)
- biozonationBasedOn ×6
- chronostratigraphicSignificance ×3
- biostratigraphyMarker ×2
- chronostratigraphicRole ×2
- primaryMarkerFossil ×2
- GSSPEventRepresented ×1
- ammoniteBiozonation ×1
- biochronologicUse ×1
- biozonation ×1
- geologicalAgeMarked ×1
- stratigraphicBoundariesDefinedBy ×1
- stratigraphicMarker ×1
- usedAsStratigraphicMarkerFor ×1
Sample triples (24)
| Subject | Object |
|---|---|
| Bathonian | subdivided into several standard ammonite zones via predicate surface "ammoniteBiozonation" ⓘ |
| Davoei Zone | relative dating of Pliensbachian strata via predicate surface "biochronologicUse" ⓘ |
| Eratosthenes (lunar crater) | start of Eratosthenian period via predicate surface "usedAsStratigraphicMarkerFor" ⓘ |
| Furongian | defined by trilobite and conodont zones via predicate surface "biozonation" ⓘ |
| Gaskiers Formation | marks a major Neoproterozoic glacial episode via predicate surface "chronostratigraphicSignificance" ⓘ |
| Gauss–Matuyama geomagnetic reversal | Quaternary onset ⓘ |
| Hangenberg black shales | marker horizon for the Hangenberg event via predicate surface "chronostratigraphicRole" ⓘ |
| Hangenberg black shales | used for interbasinal correlation of the Devonian–Carboniferous boundary via predicate surface "chronostratigraphicRole" ⓘ |
| Ischigualasto Formation | key reference for Late Triassic terrestrial faunas via predicate surface "chronostratigraphicSignificance" ⓘ |
| Ischigualasto Formation | records early diversification of dinosaurs via predicate surface "chronostratigraphicSignificance" ⓘ |
| Klonk Section | Monograptus uniformis via predicate surface "primaryMarkerFossil" NERFINISHED ⓘ |
| Klonk Section | Monograptus uniformis uniformis via predicate surface "primaryMarkerFossil" NERFINISHED ⓘ |
|
Mawmluh Cave, Meghalaya, India
surface form:
Mawmluh Cave
|
4.2 kiloyear climatic event via predicate surface "GSSPEventRepresented" ⓘ |
|
Meishan section China for base of Triassic
surface form:
Meishan section
|
approximately 252 million years ago via predicate surface "geologicalAgeMarked" ⓘ |
| Middle Ordovician | conodont zones via predicate surface "biostratigraphyMarker" ⓘ |
| Middle Ordovician | graptolite zones via predicate surface "biostratigraphyMarker" ⓘ |
|
Middle Tr.
surface form:
Middle Triassic
|
first appearance of specific ammonoid and conodont index fossils via predicate surface "stratigraphicBoundariesDefinedBy" ⓘ |
| Pliensbachian | ammonite assemblages via predicate surface "biozonationBasedOn" ⓘ |
| Triassic–Jurassic extinction event |
Global Boundary Stratotype Section and Point for base of Hettangian
via predicate surface "stratigraphicMarker"
ⓘ
surface form:
Triassic–Jurassic boundary GSSP
|
| Wenlock Epoch | brachiopod assemblage zones via predicate surface "biozonationBasedOn" ⓘ |
| Wenlock Epoch | conodont biozones via predicate surface "biozonationBasedOn" ⓘ |
| Wenlock Epoch | graptolite biozones via predicate surface "biozonationBasedOn" ⓘ |
| Wuchiapingian | ammonoid biostratigraphy via predicate surface "biozonationBasedOn" ⓘ |
| Wuchiapingian | conodont biostratigraphy via predicate surface "biozonationBasedOn" ⓘ |