Ala Dị larịị nke Biu

Plateau Biu bụ ugwu ugwu dị na ugwu ndịda anyanwụ Naijiria nwere ọtụtụ ugwu mgbawa na nso nso a. Ọ na-agụnye ihe dị ka puku ise nà narị abụọ km2 ma nwee nkezi elu nke narị asaa m (Puku abụọ na narị atọ ft) . Ala dị larịị dị n'agbata Oke Benue Basin na ndịda na Chad Basin n'ebe ugwu. Ebe dị elu bụ Wade Hill na nari asaa na iri asaa na isem ( puku abụọ narị ise na iri anọ na atọ ft) n'elu oke osimiri na Ugwu Wiga, na ihe karịrị narị asatọ m ( puku abụọ na nari isii ft) . Ala dị larịị bụ isi iyi nke ọtụtụ mmiri iyi nke osimiri Gongola, bụ nke gbutuola ọwa mmiri dị omimi. N'ebe ugwu ugwu ugwu ugwu ahụ na-eji nwayọọ na-aga na mbara ala Bauchi na Basin Chad.

Isi ihe gbasara ala dị nso n'ahịrị Cameroon

Enwere ihe akaebe nke ọrụ mgbawa mgbawa na mpaghara n'oge Cretaceous, nke kwụsịrị ihe dị ka nde afọ 66 gara aga. [1] Otú ọ dị, e wuru ala dị larịị n'akụkụ njedebe nke Miocene, na nnukwu nkume bụ Pliocene basalt nke sitere na obere oghere ma ọ bụ nkwụsịtụ, wee gbasaa na akwa oyi akwa n'elu ebe sara mbara. A maliteghachiri ọrụ na Quaternary site na obere mmiri mmiri na-esi na obere cinder cones na-ejuputa na ndagwurugwu. Ọtụtụ n'ime basalt dị n'etiti asaa na nde abụọ afọ gara aga, mana ụfọdụ erughị otu nde afọ. Ala dị larịị na-agụnye ọtụtụ obere cones pyroclastic nke ihe mgbawa kpatara mgbe mmiri batara n'ime ala wee bata na lava ọhụrụ. Enwere ọtụtụ cones mgbawa ugwu echekwara nke ọma na-ebili n'elu Plateau n'akụkụ axis NNW-SSE na mpaghara mgbawa ugwu Miringa.

Ụfọdụ ndị ọkà mmụta banyere mbara ala na-eche na ọrụ mgbawa ugwu na Biu Plateau metụtara ọrụ dị n'ahịrị Cameroon nke dị na ndịda. [2]

  • Biu, Nigeria
  • Biu Emirate

Edensibia

dezie
  1. (1971) West Africa, Volume 25, Part 1. Taylor & Francis. 
  2. K. RANKENBURG, J. C. LASSITER and G. BREY (2004). "The Role of Continental Crust and Lithospheric Mantle in the Genesis of Cameroon Volcanic Line Lavas: Constraints from Isotopic Variations in Lavas and Megacrysts from the Biu and Jos Plateaux". Journal of Petrology 46 (1): 169–190. DOI:10.1093/petrology/egh067. 

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