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300px|thumb|Coquina strata from [[Caleta Hornos (Coquimbo Formation)]]
300px|thumb|Coquina strata from [[Caleta Hornos (Coquimbo Formation)]]
Coquina () is a sedimentary rock that is composed either wholly or almost entirely of the transported, abraded, and mechanically sorted fragments of mollusks, trilobites, brachiopods, or other invertebrates. The term coquina comes from the Spanish word for "cockle" and "shellfish".
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).