Pisolite
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, Rio de Janeiro, Brazil; pisolith diameters average 1.0 cm mineral map of bauxite forming pisoids A pisolite ( ) is a sedimentary rock made of pisoids, which are concretionary grains – typically of calcium carbonate which resemble ooids, but are more than 2 mm in diameter. These grains are approximately spherical and have concentric layers reaching 10 mm in diameter. Bauxites, limonites, and siderites often have a pisolitic structure.
, Rio de Janeiro, Brazil; pisolith diameters average 1.0 cm]] mineral map of bauxite forming pisoids]] A pisolite ( ) is a sedimentary rock made of pisoids, which are concretionary grains – typically of calcium carbonate which resemble ooids, but are more than 2 mm in diameter. These grains are approximately spherical and have concentric layers reaching 10 mm in diameter. Bauxites, limonites, and siderites often have a pisolitic structure.
See also
Ooid Oolite
References
Further reading
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