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organic rich sediment

http://resource.geosciml.org/classifier/cgi/lithology/organic_rich_sediment

broader

http://resource.geosciml.org/classifier/cgi/lithology/biogenic_sediment original
narrower	organic_rich_sediment original

organic_rich_sedimentary_material original
narrower	organic_rich_sediment original

definition

Sediment with color, composition, texture and apparent density indicating greater than 50 percent organic content by weight on a moisture-free basis.

narrower

http://resource.geosciml.org/classifier/cgi/lithology/peat original
broader	organic_rich_sediment original

http://resource.geosciml.org/classifier/cgi/lithology/sapropel original
broader	organic_rich_sediment original

note

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.

source

SLTTs 2004

type

Resource original
Concept original

in scheme

simplelithology original

is primary topic of

organic_rich_sediment