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.