
A limestone formed in the sea, consisting of spherical or sub-spherical particles of calcite-coated grains of sand.
Found on
http://www.encyclo.co.uk/local/22192

Rock consisting mainly of calcite, made up of largely oolites or granular particles (generally tiny fossils or fossil fragments) that have calcium coatings. A calcite-cemented calcareous stone formed of shells and shell fragments, practically non-crystalline in character it is found in massive deposits located almost entirely in Lawrence, Monroe, a...
Found on
http://www.selectstone.com/architectural-resources/stone-glossary/

A calcite-cemented calcareous stone formed of shells and shell fragments, practically non-crystalline in character. It is found in massive deposits located almost entirely in Lawrence, Monroe and Owen Counties, IN and in Alabama, Kansas, and Texas. This limestone is characteristically freestone, without cleavage planes, possessing a remarkable unif...
Found on
https://www.encyclo.co.uk/local/22191

a limestone with round grains (a mm or so across) called ooliths, formed by chemical precipitation in warm, shallow sea water.
Found on
https://www.geolsoc.org.uk/ks3/gsl/education/resources/rockcycle/page3451.h
No exact match found.