{"data":{"id":"10.1594/pangaea.548415","type":"dois","attributes":{"doi":"10.1594/pangaea.548415","prefix":"10.1594","suffix":"pangaea.548415","identifiers":[],"alternateIdentifiers":[],"creators":[{"name":"Hartmann, Martin","givenName":"Martin","familyName":"Hartmann","affiliation":[],"nameIdentifiers":[]},{"name":"Müller, Peter J","givenName":"Peter J","familyName":"Müller","affiliation":[],"nameIdentifiers":[]},{"name":"Suess, Erwin","givenName":"Erwin","familyName":"Suess","affiliation":[],"nameIdentifiers":[]},{"name":"van der Weijden, Cornelis H","givenName":"Cornelis H","familyName":"van der Weijden","affiliation":[],"nameIdentifiers":[]}],"titles":[{"title":"Geochemistry of recent marine sediments, interstitial water, and sea water from the West African continental margin"}],"publisher":"PANGAEA","container":{},"publicationYear":1973,"subjects":[{"subject":"Bottle, Niskin","subjectScheme":"Method"},{"subject":"Box corer (Reineck)","subjectScheme":"Method"},{"subject":"Kasten corer","subjectScheme":"Method"},{"subject":"M25","subjectScheme":"Campaign"},{"subject":"Meteor (1964)","subjectScheme":"Basis"},{"subject":"Institute for Geosciences, Christian Albrechts University, Kiel (GIK/IfG)","subjectScheme":"Project"}],"contributors":[],"dates":[{"date":"1973","dateType":"Issued"}],"language":"en","types":{"ris":"GEN","bibtex":"misc","citeproc":"article","schemaOrg":"Collection","resourceType":"Supplementary Publication Series of Datasets","resourceTypeGeneral":"Collection"},"relatedIdentifiers":[],"relatedItems":[],"sizes":["5 datasets"],"formats":["application/zip"],"version":null,"rightsList":[{"rights":"Creative Commons Attribution 3.0 Unported","rightsUri":"https://creativecommons.org/licenses/by/3.0/legalcode","schemeUri":"https://spdx.org/licenses/","rightsIdentifier":"cc-by-3.0","rightsIdentifierScheme":"SPDX"}],"descriptions":[{"description":"Carbon dioxide, ammonia, and reactive phosphate in the interstitial water of three sediment cores of the West African continental margin result from oxidation of sedimentary organic matter by bacterial sulfate reduction. The proposed model is a modification of one initially suggested by Richards (1965) for processes in anoxic waters:(CH2O)106 (NH3)8 (H3PO4) (0.7-0.2) + 53 SO4**2- =106 CO2 + 106 H20 + 8 NH3 + (0.7 - 0.2) H3PO4 + 53 S**2-The amount of reduced interstitial sulfate, the carbon-to-nitrogen-to-phosphorus atomic ratio of the sedimentary organic matter, as well as small amounts of carbon dioxide, which precipitated as interstitial calcium carbonate, are included in the general oxidation-reduction reaction. Preferential loss of nitrogen and phosphorus from organic matter close to the surface was recorded in both the interstitial water and sediment composition. It appeared that in deeper sections of the core organic carbon compounds were oxidized which were probably in an even lower oxidation state than that indicated by the proposed model. An estimated 2 % of the amount of organic matter still present was oxidized after it became incorporated into the sediment; whereas sulfide sulfur contents indicate that a much larger percentage (15-20%) seemed to have been subject to bacterial oxidation during the Pleistocene period, when a very thin oxidizing layer on the sediment allowed the above decomposition process to start relatively early favoured by almost fresh organic matter, and by almost unrestricted exchange of sulfate with the overlying water.","descriptionType":"Abstract"},{"description":"Supplement to: Hartmann, Martin; Müller, Peter J; Suess, Erwin; van der Weijden, Cornelis H (1973): Oxidation of organic matter in recent marine sediments. Meteor Forschungsergebnisse, Deutsche Forschungsgemeinschaft, Reihe C Geologie und Geophysik, Gebrüder Bornträger, Berlin, Stuttgart, C12, 74-86","descriptionType":"Other"}],"geoLocations":[{"geoLocationBox":{"eastBoundLongitude":"-14.9616666666666","northBoundLatitude":"26.405","southBoundLatitude":"23.1316666666335","westBoundLongitude":"-17.745"}},{"geoLocationPlace":"East 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