@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix gsp: <http://www.opengis.net/ont/geosparql#> .
@prefix locn: <http://www.w3.org/ns/locn#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://ckan.integration.publishing.service.gov.uk/dataset/6ce9c7ce-d489-4a4f-9ceb-9ea387a38e34> a dcat:Dataset ;
    dct:description "Measurements of nitrogen and carbon abundances and isotopic ratios for deep-marine ferromanganese crusts and nodules from the modern ocean. This reservoir has not previously investigated as an archive of nitrogen isotopes. The results reveal unusually negative values, interpreted as evidence of partial ammonium oxidation succeeded by adsorption of nitrogen oxides to the mineral surface. More details can be found in Stüeken , E E & Bau , M 2023 , Geochemical Perspectives Letters , vol. 25 , pp. 13-17 . https://doi.org/10.7185/geochemlet.2308 Geographical extent: Central Pacific seafloor, between Kiribati and Wallis and Futuna (0° – 10° S and 175° E – 175° W)" ;
    dct:identifier "0eaa2633-8bbe-0323-e063-0937940a8e82" ;
    dct:issued "2024-01-19T08:17:13.033722"^^xsd:dateTime ;
    dct:modified "2026-07-30T19:20:23.846213"^^xsd:dateTime ;
    dct:publisher <https://ckan.integration.publishing.service.gov.uk/organization/7ad23da8-c49d-4d81-bf85-5cfab52ba143> ;
    dct:spatial [ a dct:Location ;
            locn:geometry "POLYGON ((178.0000 0.0000, 172.0000 0.0000, 172.0000 4.0000, 178.0000 4.0000, 178.0000 0.0000))"^^gsp:wktLiteral,
                "{\"type\": \"Polygon\", \"coordinates\": [[[178.0000, 0.0000], [172.0000, 0.0000], [172.0000, 4.0000], [178.0000, 4.0000], [178.0000, 0.0000]]]}"^^<https://www.iana.org/assignments/media-types/application/vnd.geo+json> ] ;
    dct:title "Ferromanganese oxides nitrogen isotopes (NERC Grant NE/V010824/1)" ;
    dcat:distribution <https://ckan.integration.publishing.service.gov.uk/dataset/6ce9c7ce-d489-4a4f-9ceb-9ea387a38e34/resource/32d7262a-73ba-43a5-86d0-e6ab1ab0217b> ;
    dcat:keyword "Ferromanganese",
        "NERC_DDC",
        "Nitrogen isotopes" .

<https://ckan.integration.publishing.service.gov.uk/dataset/6ce9c7ce-d489-4a4f-9ceb-9ea387a38e34/resource/32d7262a-73ba-43a5-86d0-e6ab1ab0217b> a dcat:Distribution ;
    dct:description "Resource locator" ;
    dct:issued "2026-07-30T19:20:23.885561"^^xsd:dateTime ;
    dct:modified "2026-07-30T19:20:23.850407"^^xsd:dateTime ;
    dct:title "Data" ;
    dcat:accessURL <https://webapps.bgs.ac.uk/services/ngdc/accessions/index.html#item183496> .

<https://ckan.integration.publishing.service.gov.uk/organization/7ad23da8-c49d-4d81-bf85-5cfab52ba143> a foaf:Organization ;
    foaf:name "British Geological Survey (BGS)" .