Sapropel

<rdf:RDF>

1. <skos:Concept rdf:about="http://vocab.getty.edu/aat/300380558">

   1. <skos:prefLabel xml:lang="en">sapropel</skos:prefLabel>

   2. <skos:altLabel xml:lang="en">sapropels</skos:altLabel>

   3. <skos:broader rdf:resource="http://museovirtualfelixcanada.digibis.com//concepts/51077" />

   4. <skos:note xml:lang="en">A nitrogen-rich, combustible, sludge-like black sedimentary deposit that occurs as a result of the decomposition of microorganisms in anaerobic conditions on the bottoms of lakes and seas. Compressed into hard rock, sapropel becomes oil shale or sapropelic coal.</skos:note>

   5. <skos:notation>300380558</skos:notation>

   6. <skos:inScheme rdf:resource="http://museovirtualfelixcanada.digibis.com//schemas/2" />

   </skos:Concept>

</rdf:RDF>