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" The African erosion surface : "
by Kevin Burke, Yanni Gunnell
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BL
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| Record Number
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701195
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b523384
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| Main Entry
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Burke, Kevin,1929-
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| Title & Author
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The African erosion surface : : a continental-scale synthesis of geomorphology, tectonics, and environmental change over the past 180 million years /\ by Kevin Burke, Yanni Gunnell
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| Publication Statement
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Boulder, Colo. :: Geological Society of America,, 2008
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| Series Statement
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Memoir (Geological Society of America) ;; 201
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| Page. NO
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iv, 66 pages :: illustrations (some color), maps (some color) ;; 29 cm
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| ISBN
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0813712017
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: 9780813712017
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| Bibliographies/Indexes
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Includes bibliographical references
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| Contents
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Abstract -- The unique tectonic identity of the African continent: expected effects on the history of its eroding land surface -- General characteristics of the African Surface -- What is the African Surface? -- The African Surface: a composite surface -- Tectonic evolution of Afro-Arabia and its controls on the history of the African Surface -- Structures that influenced local relief on the African Surface during its evolution -- The African Surface in basins that experienced marine incursions between 100- Ma and 34 Ma -- Regional characteristics of the African Surface -- The African Surface in its type area: southern Africa -- History of the concept of the African Surface -- Recent interpretations of the African Surface -- The African Surface in southern Africa: a summary -- West Africa: From Senegal to Cameroon -- Central Africa -- East Africa: the great swell and the rift system -- Northeastern Africa and Arabia -- Summary: regional age brackets for the African Surface
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Bauxite occurrences as indices of the African Surface: their value and limitations -- Bauxites ... and bauxites -- Examples of orthobauxites and laterites in Afro-Arabia inherited from the last great bauxite-forming interval, 70-40 Ma -- Staircases of bauxite- and laterite-capped surfaces in their key area: West Africa -- Bauxites in Africa that may have formed since the end of the main bauxite-forming interval, i.e, after 40 Ma -- Synthesis on bauxites and laterites -- The imprint of continental-scale Paleoclimactic variations in Afro-Arabia -- Cretaceous times, 140-65 Ma -- Earlier Cenozoic times, 65-34 Ma -- Early Oligocene to late Pliocene times, 34-2.8 Ma -- Late Pliocene and Quaternary times, since 2.8 Ma -- The African Surface in the post-30 Ma basin-and-swell reference frame -- Burial of the African Surface in Africa's active continental basins -- Topographic uplift of the African Surface on Africa's swells -- Volcanism or absence thereof: its relevance to the African Surface
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The African Surface on Africa's swells: general characteristics -- The Great Swell of South Africa -- Implications of the Cenozoic swell model for the history of the Great Escarpments at Africa's continental margins -- Long-lived escarpments close to rifted continental margins? a return to the historical type area of the African Surface in southern Africa -- A new perspective on the Great Escarpment of Southern Africa -- Summary and conclusions
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| Subject
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Erosion-- Africa
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Evolutionary paleoecology-- Africa
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Geology, Structural-- Africa
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Morphotectonics-- Africa
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Physical geography-- Africa
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| Added Entry
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Gunnell, Yanni,1965-
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