Ooids (/ˈoʊˌɔɪd/, from Ancient Greek ᾠόν (ōión) 'egg stone') are small (commonly ≤2 mm in diameter), spheroidal, "coated" (layered) sedimentary grains...
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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...
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from ooids, spherical grains composed of concentric layers. Strictly, oolites consist of ooids of diameter 0.25–2 millimetres; rocks composed of ooids larger...
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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...
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are concretionary grains – typically of calcium carbonate which resemble ooids, but are more than 2 mm in diameter. These grains are approximately spherical...
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service Original issue discount, implicit interest on a discounted debt Ooid, sedimentary grains This disambiguation page lists articles associated with...
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Calcite cement in an ooid-rich limestone; Carmel Formation, Jurassic of Utah...
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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...
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Petrographic evidence for these calcite sea conditions consists of calcitic ooids, lmc cements, hardgrounds, and rapid early seafloor aragonite dissolution...
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carbonate. Carbonate hardgrounds were thus very common, along with calcitic ooids, calcitic cements, and invertebrate faunas with dominantly calcitic skeletons...
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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...
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aragonite or dolomite. Both the cement and the clasts (including fossils and ooids) of a carbonate sedimentary rock usually consist of carbonate minerals....
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sedimentary rock containing kerogen Oolite – Sedimentary rock formed from ooids Phosphorite – Sedimentary rock containing large amounts of phosphate minerals...
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Carbonate ooids on the surface of a limestone; Carmel Formation (Middle Jurassic) of southern Utah, USA. Largest is 1.0 mm in diameter....
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Thin section photomicrograph of calcite cemented coarse-grained ooid grainstone...
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oocyte, oocytogenesis, oogamete, oogamous, oogamy, oogenesis, oogonium, ooid, oolite, oolith, oology, oomancy, oophagy, oophorectomy, oophoron, ootheca...
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contain ooids. Ooids can be a distinct characteristic though they are not normally a main component of ironstones. Within ironstones, ooids are made...
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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...
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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....
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Photomicrograph of a thin section of a limestone with ooids. The largest is approximately 1.2 mm in diameter....
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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...
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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...
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colic disease; Lady Hwang died soon after. Myongjong sillok (in Korean). ͡ơƠ͡ıđ̊. 1989. "조선왕조실록". National Institute of Korean History. 을사사화 : 핏빛 조선 4대 사화...
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southern Palm Beach County to southern Miami-Dade County, is made up of ooids: tiny formations of egg-shaped concentric shells and calcium carbonate,...
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R.; Eberli, Gregor P. (2019). "The Formation and Distribution of Modern Ooids on Great Bahama Bank". Annual Review of Marine Science. 11. Annual Reviews:...
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grains. The grains consist of sand-size grains of either corals, shells, ooids, intraclasts, pellets, fragments of older limestones and dolomites, other...
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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...
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compressed over multiple layers forming structures in the limestone called ooids, which created permeable conditions that hold water. The Florida peninsula...
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limestone breccia/conglomerates, bedded limestone and ooid mudstones with 0.5 millimetres (0.020 in) ooids, and chert nodules. The limestone is associated with...
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Grainstone with calcitic ooids, crinoid fragments, and sparry calcite cement; Carmel Formation, Middle Jurassic, of southern Utah, USA....
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