A limestone texture that is characterized by spherical grains of calcium carbonate with a concentric internal structure. These grains are thought to form by inorganic precipitation of calcium carbonate around a sand grain or shell particle nucleus.

Aggregate composed of very small, spherical particles.

A textural term for sedimentary rocks consisting largely of oolites, which are small spherical or ellipsoidal accretions resembling a fish egg. Oolites are calcareous, siliceous, and ferruginous.

Oolitic - Pertaining to oolite, a sedimentary rock made up of round to oval accretionary bodies with diameters ranging from 0.25 to 2 millimeters and usually formed of calcium carbonate.

A great series of secondary rocks, so called from the texture of some of its members, which appear to be made up of a mass of small egg-like calcareous bodies. 136