Definition of speleothem in English:
speleothem
noun ˈspiːlɪə(ʊ)θɛmˈspēlēəˌTHem
Geology A structure formed in a cave by the deposition of minerals from water, e.g. a stalactite or stalagmite.
Example sentencesExamples
- The agencies enforce the 1988 Federal Cave Resources Protection Act, which does little to protect caves other than sending those caught removing speleothems to jail for up to a year.
- Stalactites, stalagmites, and other speleothems - or cave formations - grow as water travels through rocks, dissolves minerals, and then seeps into caves and redeposits those substances.
- The most common type of speleothems studied for palaeoclimate are cylindrical stalagmites.
- I am also aware that speleothems are rarely pure calcium carbonate, but often contain large amounts of impurities such as soil or clay particles or surface organic material.
- Water chemical data are important for palaeohydrological interpretations, but in this case we restrict the discussion to available water data from close to the studied speleothems.
Origin
1950s: from Greek spēlaion 'cave' + thema 'deposit'.