Concept information
There is no term for this concept in this language.
PREFERRED TERM
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DEFINITION
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In sedimentology and geology, a nodule is a small, irregularly rounded knot, mass, or lump of a mineral or mineral aggregate that typically has a contrasting composition, such as a pyrite nodule in coal, a chert nodule in limestone, or a phosphorite nodule in marine shale, from the enclosing sediment or sedimentary rock. (en)
BROADER CONCEPT
- chemical sediments (en)
NARROWER CONCEPTS
- ferromanganese nodules (en)
- phosphorite nodules (en)
IN OTHER LANGUAGES
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Arabic
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Chinese
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nodules (geology)
Created: 2019-09-04T12:02:37
Last modified: 2022-01-19T11:18:24
skos:notation: 806bce3d
English
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French
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German
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Norwegian Bokmål
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Spanish
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Turkish
URI
http://aims.fao.org/aos/agrovoc/c_806bce3d
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