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cones caused by explosions when water penetrated downward and came into contact with fresh lava. There are a number of well-preserved volcanic cones rising above the
Plateau along a NNW-SSE axis in the Miringa volcanic zone.
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with thin flows of lava issuing from small cinder cones and filling the valleys. Most of the basalts date between 7 and 2 million years ago, but some are less than a million years old. The plateau includes many small
219:"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"
36:. It covers about 5,200 km (2,000 sq mi) and has an average elevation of 700 m (2,300 ft). The plateau lies between the Upper Benue Basin to the south and the
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that have erupted from small vents or fissures, and then spread in a thin layer over wide areas. Activity resumed in the
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Some geologists consider that the volcanic activity in the Biu
Plateau is associated with the activity in the
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44:, at well over 800 m (2,600 ft). The plateau is the source of many tributaries of the
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to the north. High points are Wade Hill at 775 m (2,543 ft) above sea level and
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There is evidence of early volcanic activity in the area during the
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217:K. RANKENBURG, J. C. LASSITER and G. BREY (2004).
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20:Major geological features near Cameroon line
176:. Taylor & Francis. 1971. p. 285.
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193:Geology and Mineral Resources of Nigeria
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28:is a highland area in Northeastern
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32:containing many recently extinct
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173:West Africa, Volume 25, Part 1
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190:, Nuhu George Obaje (2009).
52:plains and the Chad Basin.
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151:"Borno: Physical Setting"
259:Global Volcanism Program
236:10.1093/petrology/egh067
196:. Springer. p. 50.
264:Smithsonian Institution
128:Encyclopædia Britannica
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295:10.67833°N 12.00528°E
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329:Volcanoes of Nigeria
223:Journal of Petrology
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319:Geology of Nigeria
300:10.67833; 12.00528
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203:978-3-540-92684-9
188:Obaje Nuhu George
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254:"Biu Plateau"
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97:Biu, Nigeria
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102:Biu Emirate
77:pyroclastic
26:Biu Plateau
313:Categories
283:10°40′42″N
269:2021-06-24
157:2011-02-02
133:2011-02-02
108:References
72:Quaternary
57:Cretaceous
38:Chad Basin
286:12°0′19″E
42:Wiga Hill
34:volcanoes
91:See also
65:Pliocene
68:basalts
61:Miocene
30:Nigeria
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50:Bauchi
198:ISBN
24:The
231:doi
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