By Thomas Schlüter
This is the recent variation of the first try to summarize the geology of Africa by way of proposing it in an atlas and to synthesize the stratigraphy, tectonics, financial geology, geohazards and geosites of every state and territory of the continent. in addition, the digitized geological maps are correlated and harmonized based on the present stratigraphic timetable. The atlas goals to give a contribution to capability development in African Earth Sciences and to help the initiation of research and allow the fulfillment of monetary possibilities by way of offering a database of easy geological heritage info.
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Extra info for Geological Atlas of Africa: With Notes on Stratigraphy, Tectonics, Economic Geology, Geohazards and Geosites of Each Country
Piqué, A. I-XIV, 1-310; Gebrüder Borntraeger, Berlin, Stuttgart. , Bronner, G. & Deschamp, M. In: R. L. Dallmeyer & J. P. ), The West African orogens and circum Atlantic correlations, 31-61; Springer, Berlin. Fig. 16 Assekrem black volcanic peaks in the central Hoggar Mountains at sunset Fig. 17 Gigantic dunes near tha oasis Ouargla, central Algeria Fig. 15 Houses hit by the earthquake of 10 October 1980 in the Oued Cheliff region, northern Algeria, in which about 2,600 people lost their lives and nearly 300,000 were left homeless their order of importance, the productive reservoirs in Algeria are in Cambro-Ordovician, basal Triassic, Devonian and Carboniferous sandstones.
Karoo basins are of three types: The main Karoo Basin, which extends in an E-W direction across southern Africa, and subsided as a foreland basin because of prolonged regional compression and uplift in the Cape Fold Belt. Outside the Karoo foreland basin are shallow 29 broad intracratonic sag basins to the west. These sag basins are known in South Africa, Botswana, Namibia, Angola, the Democratic Republic of Congo and Gabon. The third and eastern group of Karoo basins are represented by narrow grabens and half-grabens or troughs, which occur in eastern and southeastern Africa, e.
14 Oil ﬁelds at Hassi Messaoud 36 6 Geosites An inventory of potential geosites has never been made, but many places deserve due to their scenic beauty and/or geological significance increased protection, especially in the mountainous regions of the Sahara (Fig. 16 and 17). 7 References Earthquakes occur frequently in northern Algeria and have caused many human fatalities as well as the loss of infrastructure and property (Fig. 15). Pollution of aquifers and the surface environment due to the exploration of hydrocarbons is evident.