Clay

Clay is a general term including many combinations of one or more clay minerals with traces of metal oxides and organic matter. Geologic clay deposits are mostly composed of phyllosilicate minerals containing variable amounts of water trapped in the mineral structure.

Read more about Clay:  Formation, Definition, Grouping, Historical and Modern Uses

Famous quotes containing the word clay:

    Archaeologists have uncovered six-thousand-year-old clay tablets from southern Babylonia that describe in great detail how the adults of that community found the younger generation to be insolent and disobedient.
    Lawrence Kutner (20th century)

    The earth is covered thick with other clay,
    Which her own clay shall cover, heaped and pent,
    Rider and horse,—friend, foe,—in one red
    burial blent!
    George Gordon Noel Byron (1788–1824)

    As ye of clay were cast by kind,
    So shall ye waste to dust.
    Thomas Vaux, 2d Baron Vaux Of Harrowden (1510–1566)