Deccan Traps volcanism

E6159

Deccan Traps volcanism refers to one of Earth’s largest known volcanic flood basalt events in western India, linked to mass extinction and major climatic changes near the end of the Cretaceous period.

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Observed surface forms (2)


Statements (48)

Predicate Object
instanceOf flood basalt volcanism
large igneous province
volcanic event
affected global carbon cycle
marine ecosystems
terrestrial ecosystems
associatedWith Cretaceous–Paleogene boundary
surface form: Cretaceous–Paleogene extinction event

Réunion mantle plume hypothesis
plume–lithosphere interaction
beganInPeriod Cretaceous
surface form: Late Cretaceous
characterizedBy high eruption rates
multiple eruptive phases
short pulses of intense activity
continuedIntoPeriod Early Paleogene
coversArea hundreds of thousands of square kilometers
debatedAsCauseOf K–Pg boundary environmental crisis
emitted carbon dioxide
halogens
methane
sulfur dioxide
eruptedFrom numerous fissure vents
hasAge around 66 million years
hasEstimatedOriginalVolume >1,000,000 cubic kilometers of basalt
hasExposedVolume approximately 500,000 cubic kilometers of basalt
hasGlobalSignificance major driver of end-Cretaceous environmental change
hasTypeRock tholeiitic basalt
linkedTo acid rain
global climatic change
global warming
mass extinction of non-avian dinosaurs
ocean acidification
stratospheric sulfate aerosols
locatedIn Western India
surface form: western India
locatedOn Deccan Plateau
nameDerivedFrom Sanskrit word "dakshina" (Deccan) meaning south
Swedish word "trappa" meaning stairs
partOf Deccan Traps volcanism self-linksurface differs
surface form: Deccan Traps
produced step-like trap topography
thick basaltic lava flows
rankedAs one of the largest flood basalt provinces on Earth
recordedIn basalt stratigraphy of the Deccan Traps
studiedInDiscipline geochronology
mass extinction research
paleoclimatology
volcanology
studiedUsing argon–argon dating
uranium–lead zircon dating
temporallyOverlaps Cretaceous–Paleogene boundary
surface form: Chicxulub impact event

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

Cretaceous associatedWith Deccan Traps volcanism
Columbia Plateau formedBy Deccan Traps volcanism
this entity surface form: Columbia River Basalt Group eruptions
Deccan Plateau geologicalFeature Deccan Traps volcanism
this entity surface form: Deccan Traps
Deccan Traps volcanism partOf Deccan Traps volcanism self-linksurface differs
this entity surface form: Deccan Traps
Cretaceous–Paleogene boundary relatedTo Deccan Traps volcanism