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Ampo is revered by the native women who are pregnant. [6]Generally, a habit of eating clay can be referred to as geophagy, which in some cultural contexts may indicate a type of disordered eating called pica.
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).
Tiles are usually thin, square or rectangular coverings manufactured from hard-wearing material such as ceramic, stone, metal, baked clay, or even glass.They are generally fixed in place in an array to cover roofs, floors, walls, edges, or other objects such as tabletops.
A retaining wall is designed to hold in place a mass of earth or the like, such as the edge of a terrace or excavation. The structure is constructed to resist the lateral pressure of soil when there is a desired change in ground elevation that exceeds the angle of repose of the soil.
Terracotta female figurines were uncovered by archaeologists in excavations of Mohenjo-daro, Pakistan (3000–1500 BCE). Along with phallus-shaped stones, these suggest some sort of fertility cult. [12]