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Lightweight expanded clay aggregate (LECA) or expanded clay (exclay) is a lightweight aggregate made by heating clay to around 1,200 °C (2,190 °F) in a rotary kiln. The heating process causes gases trapped in the clay to expand, forming thousands of small bubbles and giving the material a porous structure.
Clay pit in Britain. A clay pit is a quarry or mine for the extraction of clay, which is generally used for manufacturing pottery, bricks or Portland cement. Quarries where clay is mined to make bricks are sometimes called brick pits. [1] A brickyard or brickworks is often located alongside a clay pit to reduce the transport costs of the raw ...
Brick makers work in a brick yard. A brick yard may be constructed near natural sources of clay or on or near a construction site if necessity or design requires the bricks to be made locally. [3] [4] A brickyard in Macon, GA, c.1877. Brickfield and Brickfields became common place names for former brickfields in south east England.
Oxford Clay exposed near Weymouth, England. Clay minerals are hydrous aluminium phyllosilicates (e.g. kaolin, Al 2 Si 2 O 5 4), sometimes with variable amounts of iron, magnesium, alkali metals, alkaline earths, and other cations found on or near some planetary surfaces. Clay minerals form in the presence of water [1] and have been important to ...
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Gay Head Cliffs in Martha's Vineyard consist almost entirely of clay. A Quaternary clay deposit in Estonia, laid down about 400,000 years ago. Clay is a type of fine-grained natural soil material containing clay minerals [1] (hydrous aluminium phyllosilicates, e.g. kaolinite, Al 2 Si 2 O 5 4).
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Clay’s Corner got its start as a produce stand in the 1940s owned by the Caldwell family. Clay Logan purchased the Citgo station in 1998. In 2019, Clay's Corner reopened under the management of the Logan Family. [21] Today many locals celebrate New Year's Eve with dance, music, and food at the nearby John C. Campbell Folk School instead. [27]