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・ Eburia ulkei
・ Eburia velmae
・ Eburia wappesi
・ Eburiaca
・ Eburiini
・ Eburiola
・ Eburna
・ Eburna balteata
・ Eburna glabrata
・ Eburna lienardi
・ Eburnamenine
・ Eburnamine
・ Eburnation
・ Eburnean
・ Eburnean Democratic Bloc
Eburnean orogeny
・ Eburneana
・ Eburobrittium
・ Eburoceras
・ Eburodacrys
・ Eburodacrys aenigma
・ Eburodacrys alini
・ Eburodacrys amabilis
・ Eburodacrys amazonica
・ Eburodacrys apua
・ Eburodacrys asperula
・ Eburodacrys assimilis
・ Eburodacrys ayri
・ Eburodacrys bilineata
・ Eburodacrys callixantha


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Eburnean orogeny : ウィキペディア英語版
Eburnean orogeny
The Eburnean orogeny, or Eburnean cycle was a series of tectonic, metamorphic and plutonic events in what is now West Africa during the Paleoproterozoic era between about 2200–2000 million years ago.
During this period the Birimian domain in West Africa was established and structured.
Eburnian faults are found in the Eglab shield to the north of the West African craton and in the Man Shield to the south of the craton.
There is evidence of three major Eburnean magmatic events in the Eglab shield.
Between 2210 and 2180 Ma a metamorphosed batholith was formed in the Lower Reguibat Complex (LRC).
Around 2090 Ma a syntectonic trondhjemitic pluton intruded into the Archaean relects of the Chegga series. Around 2070 Ma an asthenospheric upwelling released a large volume of post-orogenic magmas.
Eburnian trends within the Eglab shield were repeatedly reactivated from the Neoproterozoic to the Mesozoic.
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