Английская Википедия:Gedamsa Caldera

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Шаблон:Short description Шаблон:Infobox mountain

The Gedamsa Caldera is a 7 x 9 km caldera in the Main Ethiopian Rift valley. The caldera has steep sides with Шаблон:Convert high walls, the upper parts of which consist predominantly of rhyolitic lava flows deposited in a series of trachite ignimbrite eruptions. There are small basaltic spatter cones and fumarolic activity inside the caldera floor along with a series of (Late Pleistocene to Holocene) rhyolite and pumice deposits and a Holocene lava dome/flow.[1]

References

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