bn:03228393n
Noun Concept
Categories: Sedimentary rocks, Articles with short description, Petrology, Limestone
EN
ooid  Ooid sand  ooidal  ooids
EN
Ooids are small, spheroidal, "coated" sedimentary grains, usually composed of calcium carbonate, but sometimes made up of iron- or phosphate-based minerals. Wikipedia
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EN
Ooids are small, spheroidal, "coated" sedimentary grains, usually composed of calcium carbonate, but sometimes made up of iron- or phosphate-based minerals. Wikipedia
spherical sedimentary grains Wikidata
A small calcium carbonate or iron coated grain found on the seafloor. Wiktionary
Seafloor grain. Wiktionary (translation)
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