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


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 Senegal - more alumino-silicates as clay minerals are admixed with the carbonate constituents. The organic carbon content of the continental slope sediments off Senegal is higher than in samples of the continental rise or of the preservation of organic matter as a result of high production and relatively rapid sedimentation.

Metadata Access
Creator Hartmann, Martin;van der Weijden, Cornelis H;Suess, Erwin;Müller, Peter J
Publisher PANGAEA - Data Publisher for Earth & Environmental Science
Publication Year 1976
Rights Creative Commons Attribution 3.0 Unported (CC-BY)
Language English
Resource Type Supplementary Collection of Datasets
Format application/zip
Discipline Earth System Research
Spatial Coverage (15N-27N,22W-15W)
Temporal Point 1971-01-01T11:59:59Z