Ooids (from Ancient Greek ᾠόν (ōión) 'egg stone') are small (commonly ≤2 mm in diameter), spheroidal, "coated" (layered) sedimentary grains, usually composed...

from ooids, spherical grains composed of concentric layers. Strictly, oolites consist of ooids of diameter 0.25–2 millimetres; rocks composed of ooids larger...

are concretionary grains – typically of calcium carbonate which resemble ooids, but are more than 2 mm in diameter. These grains are approximately spherical...

form by direct precipitation of calcium carbonate onto the ooid. Pisoliths are similar to ooids, but they are larger than 2 mm in diameter and tend to be...

coated with a thin layer of crystalline carbonate to form the cortex of the ooid. Compared to other types of sand formation that involve the weathering and...

service Original issue discount, implicit interest on a discounted debt Ooid, sedimentary grains This disambiguation page lists articles associated with...

Calcite cement in an ooid-rich limestone; Carmel Formation, Jurassic of Utah...

constraints on the last aragonite–calcite sea transition from early Jurassic ooids". Facies. 64 (1): 3. Bibcode:2018Faci...64....3V. doi:10.1007/s10347-017-0516-x...

oocyte, oocytogenesis, oogamete, oogamous, oogamy, oogenesis, oogonium, ooid, oolite, oolith, oology, oomancy, oophagy, oophorectomy, oophoron, ootheca...

carbonate. Carbonate hardgrounds were thus very common, along with calcitic ooids, calcitic cements, and invertebrate faunas with dominantly calcitic skeletons...

temperature about 3 °C (5.4 °F) and the salinity by 0.5 per cent. Cemented ooids are referred to as grapestone. Additionally, giant stromatolites are found...

sedimentary rock containing kerogen Oolite – Sedimentary rock formed from ooids Phosphorite – Sedimentary rock containing large amounts of phosphate minerals...

Petrographic evidence for these calcite sea conditions consists of calcitic ooids, lmc cements, hardgrounds, and rapid early seafloor aragonite dissolution...

aragonite or dolomite. Both the cement and the clasts (including fossils and ooids) of a carbonate sedimentary rock usually consist of carbonate minerals....

"Giant" ooids of the Johnnie Formation in the Death Valley area, California, USA. Ooids are near-spheroidal calcium carbonate grains that accumulate around...

Carbonate ooids on the surface of a limestone; Carmel Formation (Middle Jurassic) of southern Utah, USA. Largest is 1.0 mm in diameter....

Thin section photomicrograph of calcite cemented coarse-grained ooid grainstone...

Photomicrograph of a thin section of a limestone with ooids. The largest is approximately 1.2 mm in diameter....

contain ooids. Ooids can be a distinct characteristic though they are not normally a main component of ironstones. Within ironstones, ooids are made...

tamiam to wait for s-hewhogĭ s-heubagĭ to be cool sisiṣ hoʼiumi (but si꞉ṣpakuḍ, stapler) to fasten pi꞉ haʼicug pi ʼac to be absent wia ʼoʼoid hunt tr....

A photomicrograph of a thin section of a limestone with ooids. The largest is approximately 1.2 mm in diameter. The red object in the lower left is a...

compressed over multiple layers forming structures in the limestone called ooids, which created permeable conditions that hold water. The Florida peninsula...

environment existed above the fair weather wave base and behind siliciclastic and ooid barriers. It appeared to have had little change in salinity levels and experienced...

around in the snow. Over time, countless billions of these balls, known as "ooids" or "ooliths" (from the Greek for "egg-shaped" or "egg-stone"), became partially...

units that have been deposited under quite less active water conditions. Ooids are coated carbonate grains that have some sort of a nucleus-a bioclast...

southern Palm Beach County to southern Miami-Dade County, is made up of ooids: tiny formations of egg-shaped concentric shells and calcium carbonate,...

R.; Eberli, Gregor P. (2019). "The Formation and Distribution of Modern Ooids on Great Bahama Bank". Annual Review of Marine Science. 11. Annual Reviews:...

environment existed above the fair weather wave base and behind siliciclastic and ooid barriers. It appeared to have had little change in salinity levels and experienced...

small, rounded stones within the belly area that they interpreted as ooids. These ooids formed in shallow water and were likely transported with the individual...

Grainstone with calcitic ooids, crinoid fragments, and sparry calcite cement; Carmel Formation, Middle Jurassic, of southern Utah, USA....