clay layer

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• Clay-water interaction — is an all inclusive term to describe various progressive interactions between clay minerals and water. In the dry state, clay packets exist in face to face stacks like a deck of playing cards, but clay packets begin to change when exposed to… …   Wikipedia

• Clay cutan — Clay Cutans are a geologic fabric that develop around ancient cavities (such as peds) within paleosols. Contents 1 Formation 2 Recognition 3 Practical Significance 4 References …   Wikipedia

• Layer — Lay er, n. [See {Lay} to cause to lie flat.] 1. One who, or that which, lays. [1913 Webster] 2. [Prob. a corruption of lair.] That which is laid; a stratum; a bed; one thickness, course, or fold laid over another; as, a layer of clay or of sand… …   The Collaborative International Dictionary of English

• Clay pan — may refer to Claypan, a dense layer in the subsoil with high clay content Clay playa, a type of dry lake This disambiguation page lists articles associated with the same title. If an internal link led you here …   Wikipedia

• clay|pan — «KLAY PAN», noun. 1. U.S. a layer of clay in the soil. 2. (in Australia) a slight depression or shallow hole in the surface of the ground, having a bottom of clay or silt …   Useful english dictionary

• clay mineral — any of a group of hydrous aluminum silicate minerals, as kaolinite, illite, and montmorillonite, that constitute the major portion of most clays. [1945 50] * * * Any of a group of important hydrous aluminum silicates with a layered structure and… …   Universalium

• Clay minerals — Oxford Clay (Jurassic) exposed near Weymouth, England. Clay minerals are hydrous aluminium phyllosilicates, sometimes with variable amounts of iron, magnesium, alkali metals, alkaline earths, and other cations. Clays have structures similar to… …   Wikipedia

• Clay-with-Flints — In geology, Clay with Flints was the name given by W. Whitaker in 1861 to a peculiar deposit of stiff red, brown or yellow clay containing unworn whole flints as well as angular shattered fragments, also with a variable admixture of rounded flint …   Wikipedia

• clay delving — /ˈkleɪ dɛlvɪŋ/ (say klay delving) noun the process of digging down to a layer of clay beneath the upper soil using an implement fitted with one or more tines which break up the clay and bring it back into the upper soil; used to improve soil… …  

• clay parting —    1. Clayey material between a vein and its wall.    2. A seam of hardened carbonaceous clay between or in beds of coal, or a thin layer of clay between relatively thick beds of some other rock (e.g., sandstone) …   Lexicon of Cave and Karst Terminology

• clay topping — /ˈkleɪ tɒpɪŋ/ (say klay toping) noun the process of topping soil with a layer of clay in order to improve soil quality, particularly in sandy soil which repels water. –clay topped, adjective …