Ooid

Title

Ooid

Subject

Sub-spherical sedimentary grains comprising a nucleus surrounded by concentric layers of carbonate precipitate. Ooids form abiogenically. They are sometimes referred to as ooliths.

Description

Have a look at the oolitic ironstone (L361) and the oolitic limestone (L353) in the 1A Reference Series.

Collection

Citation

“Ooid,” 1A Collections, accessed April 9, 2024, https://wserv3.esc.cam.ac.uk/p1acollections/items/show/230.