Chemistry of Late Quaternary sediments and their interstitial waters of sediment cores from the Nort-West African continental margin, supplement to: Hartmann, Martin; Müller, Peter J; Suess, Erwin; van der Weijden, Cornelis H (1976): Chemistry of Late Quaternary sediments and their interstitial waters from the northwest African continental margin. Meteor Forschungsergebnisse, Deutsche Forschungsgemeinschaft, Reihe C Geologie und Geophysik, Gebrüder Bornträger, Berlin, Stuttgart, C24, 1-67

Martin Hartmann, Peter J Müller, Erwin Suess & Cornelis H van der Weijden
In the sediments of the NW African continental margin the mainly biogenic carbonate constituents become increasingly diluted with terrigenous material as one approaches the coast, as indicated by the carbonate-CO2 content, the Al2O3/SiO2-ratios, and the presence of ammonia fixed to alumino-silicates, predominantly to illites. In the norther area of the investigation – off Cape Blanc and Cape Bojador . the terrigenous constituents are mainly quartz from the Sahara Desert, whereas in the south – off...
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