Organic rich (sediment)
Sediment with color, composition, texture and apparent density indicating greater than 50 percent organic content by weight on a moisture-free basis.
The broader relation from organic rich sediment to biogenic sediment is based on the inference that organic rich material is always biogenic in origin. Biogenic is a broader category because not all biogenic materials are organic rich, for example shells or phosphatic bone.
Parents: Biogenic sediment (29); Organic rich sedimentary material (180)
Children: Peat (185); Sapropel (230)
[Description taken from GeoSciML SimpleLithology201012.rdf]
Category: Analysed material
The different kinds of sample material collected in the field have been classified hierarchically. Examples: “till”, “soil”, “vegetation”. Taken from the “Sample_Types_SHARED” database table.
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