an oolite was described as a spherical concretion of calcium carbonate (calcite) precipitated in shallow, warm, tropical seas.

I second that, Stales-- i saw some back in October-- when Simon Winchester gave a lecture on The Map that Changed the World he had a handful of rocks with him.. including an Oolite.. oolite is the stuff they made English Georgian houses out of-- all white and gleaming.. here in NY the same style house is a "Brownstone" since we use a local sandstone that is a rich chocolate brown...


my other obsession