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.
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.
this entity surface form:
African superplume