
Ooid - Wikipedia
Ooids (/ ˈoʊˌɔɪd /, [1] from Ancient Greek ᾠόν (ōión) 'egg stone') [2] are small (commonly ≤2 mm in diameter), spheroidal, "coated" (layered) sedimentary grains, usually composed of calcium …
Oolite - Wikipedia
Oolite or oölite (from Ancient Greek ᾠόν (ōión) ' egg stone ') [1] is a sedimentary rock formed from ooids, spherical grains composed of concentric layers. [2] Strictly, oolites consist of ooids of …
The where, when, and how of ooid formation: What ooids tell us …
Jul 1, 2024 · Ooids are concentrically-laminated, sedimentary grains produced through successive stages of carbonate precipitation and abrasion that typically form above wave base in tropical …
Ooid Sand - Sandatlas
Ooids are small rounded accretionary mineralized bodies. They could be called sand grains, but they are no ordinary sand grains. Just like normal sand grains, ooids have a diameter reaching …
OOID Definition & Meaning - Merriam-Webster
: shaped like an egg. : one of the individual spherical concretionary bodies that characterize an oolite. Greek ōioeidēs, from ōi- o- + -eidēs -oid. Expand your vocabulary and dive deeper into …
Decoding the mechanism of formation in marine ooids: A review
Mar 1, 2019 · Ooids are spherical or ovoidal carbonate grains (typically <2 mm in diameter) of smooth, well-laminated cortices that accrete around a nucleus, typically a bioclast, peloid, …
Ooids - SEPM Strata
Coated grains include oolites, pisolites, oncoids, and oncolites. oolites (figure below) are formed by a series of concentric layers surrounding a nucleus. They generally form in agitated marine …
Shape evolution of ooids: a geometric model | Scientific Reports
Jan 29, 2018 · Here we investigate a rare and beautiful geophysical problem that combines both of these processes; the shape evolution of carbonate particles known as ooids.
A Few Words About Ooids and Oolites - McKay Lodge …
OOIDS are a distinctive type of sand that usually form on the sea floor. After they have been buried under additional sediment, such sand grains can be fused into a solid mass of …
Ooid - an overview | ScienceDirect Topics
Common ooid nuclei are peloids and fragments of Halimeda, red algae, and mollusks. You might find these chapters and articles relevant to this topic. Most Upper Jurassic reservoirs are …