Statements (45)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
oceanic anoxic event
|
| gptkbp:affects |
gptkb:fish
gptkb:ammonites marine ecosystems corals marine reptiles foraminifera benthic organisms marine plankton rudist bivalves |
| gptkbp:age |
about 94 million years ago
|
| gptkbp:alsoKnownAs |
gptkb:Cenomanian-Turonian_boundary_event
OAE2 |
| gptkbp:associatedWith |
marine extinctions
global carbon cycle perturbation positive carbon isotope excursion |
| gptkbp:cause |
climate warming
increased volcanic activity large igneous province eruptions nutrient influx to oceans |
| gptkbp:characterizedBy |
widespread depletion of oxygen in the world’s oceans
|
| gptkbp:evidence |
fossil specimen
carbon isotope ratios sedimentary rock record |
| gptkbp:followedBy |
Oceanic Anoxic Event 3
|
| https://www.w3.org/2000/01/rdf-schema#label |
Oceanic Anoxic Event 2
|
| gptkbp:notablePlace |
gptkb:Atlantic_Ocean
gptkb:Pacific_Ocean gptkb:Tethys_Ocean gptkb:Western_Interior_Seaway |
| gptkbp:occurredIn |
gptkb:Cretaceous_period
Cenomanian-Turonian boundary |
| gptkbp:precededBy |
Oceanic Anoxic Event 1b
|
| gptkbp:relatedTo |
gptkb:Cretaceous–Paleogene_extinction_event
other oceanic anoxic events |
| gptkbp:resultedIn |
massive deposition of organic-rich black shales
|
| gptkbp:significance |
important for petroleum source rocks
major perturbation in Earth’s history |
| gptkbp:studiedIn |
geology
paleoclimatology paleoceanography |
| gptkbp:bfsParent |
gptkb:Cenomanian-Turonian
gptkb:Cenomanian_to_Turonian_stages gptkb:Cenomanian-Turonian_boundary_event |
| gptkbp:bfsLayer |
7
|