Ethiopian Traps volcanism

E38214

Ethiopian Traps volcanism refers to a massive flood basalt event in northeastern Africa that produced extensive lava flows and played a key role in shaping the region’s topography and geology.

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Observed surface forms (1)

Surface form Occurrences
African superplume 1

Statements (48)

Predicate Object
instanceOf continental flood basalt event
flood basalt province
large igneous province
associatedWith continental breakup of Africa and Arabia
crustal doming
lithospheric thinning
syn-rift magmatism
eruptionAgeEnd about 29 million years ago
eruptionAgeStart about 31 million years ago
forms Ethiopian Plateau basalt cover
hasAge Oligocene
Paleogene
hasCause East African Rift
surface form: Afar plume

mantle plume activity
hasDuration geologically short-lived main eruptive phase
hasEconomicImpact hosts geothermal resources
influences groundwater aquifers in basaltic terrains
provides construction stone from basalt flows
hasFeature caldera complexes
dike swarms
extensive subaerial lava flows
feeder dikes
shield volcanoes
stacked basaltic flow sequences
thick plateau basalts
trap-step topography
volcanic plateaus
hasRockType basalt
flood basalt
mafic volcanic rock
tholeiitic basalt
hasVolume hundreds of thousands of cubic kilometers of basalt
influenced drainage patterns of the Blue Nile
drainage patterns of the Tekeze River
regional topography of the Ethiopian Highlands
locatedIn Ethiopia
Ethiopian Highlands
surface form: Ethiopian Plateau

northeastern Africa
overlies Mesozoic sedimentary rocks
Precambrian basement rocks
partOf East African Rift
surface form: East African Rift System
relatedTo Afar Triangle
surface form: Afar Triple Junction

East African Rift
surface form: East African Rift development

Gulf of Aden rifting
Red Sea rifting
studiedFor continental flood basalt processes
links between large igneous provinces and climate change
mantle plume dynamics

Referenced by (2)

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

East African Rift drivenBy Ethiopian Traps volcanism
this entity surface form: African superplume
Ethiopian Highlands formedBy Ethiopian Traps volcanism