concretion

  • 91Klerksdorp Spheres — The Klerksdorp Spheres are small, often spherical to disc shaped, objects, which have been collected by miners and rockhounds from 3.0 billion year old pyrophyllite deposits mined by Wonderstone Ltd., near Ottosdal, South Africa. These objects… …

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  • 92Channel-iron deposits — (CID) are iron rich fluvial sedimentary deposits of possible Miocene age occupying meandering palaeochannels in the Early to Mid Tertiary Hamerlsey palaeosurface of Western Australia. Examples are also known from Kazakhstan. The deposits are… …

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  • 93Aidan Baker — Infobox musical artist Name = Aidan Baker Img capt = Img size = Landscape = Background = solo singer Born = 1974/1975 Died = Origin = Toronto, Ontario, Canada Instrument = Guitar, drums, flute, among others Genre = Experimental, ambient, drone… …

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  • 94Aqueduc de Mons a Frejus — Aqueduc de Mons à Fréjus L aqueduc de Mons à Fréjus est un aqueduc romain qui alimentait la ville de Fréjus depuis Mons et Montauroux. L aqueduc est classé Monument historique (France). Sommaire 1 Description 2 L aqueduc en chiffres [1],[2],… …

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  • 95Grotte du Visage — Coordonnées 45° 41′ 2″ Nord        0° 25′ 16″ Est / …

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  • 96Speleotheme — Spéléothème Les spéléothèmes sont des dépôts minéraux précipités dans une grotte. Sommaire 1 Différentes formes 2 Datation 3 Articles connexes 4 liens externes …

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  • 97Spéléothème — Les spéléothèmes sont des dépôts minéraux précipités dans une grotte. Sommaire 1 Différentes formes 2 Datation 3 Articles connexes 4 Liens externes …

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  • 98concretionary — /kon kree sheuh ner ee, kong /, adj. formed by concretion; consisting of concreted matter or masses. [1820 30; CONCRETION + ARY] * * * …

    Universalium

  • 99kidney stone — Pathol. an abnormal stone, or concretion, composed primarily of oxalates and phosphates, found in the kidney. Also called renal calculus. [1970 75] * * * or renal calculus Mass of minerals and organic matter that may form in a kidney. Urine… …

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  • 100nodule — /noj oohl/, n. 1. a small node, knot, or knob. 2. a small, rounded mass or lump. 3. Bot. a tubercle. [1590 1600; < L nodulus a little knot, equiv. to nod(us) NODE + ulus ULE] * * * In geology, a rounded mineral concretion that is distinct from,&#8230; …

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