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

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...

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...

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...

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...

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

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....

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

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

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....

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...

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

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

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...

grains. The grains consist of sand-size grains of either corals, shells, ooids, intraclasts, pellets, fragments of older limestones and dolomites, other...

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

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...

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

colic disease; Lady Hwang died soon after. Myongjong sillok (in Korean). ͡ơƠ͡ıđ̊. 1989. "조선왕조실록". National Institute of Korean History. 을사사화 : 핏빛 조선 4대 사화...

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...

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

mm upwards in size may be considered an allochem. Examples would include ooids, peloids, oncolites, pellets, fossil or pre-existing carbonate fragments...

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...