CHINA CLAY

one of the purest of the clays, composed chiefly of the mineral kaolinite usually formed when granite is changed by hydrothermal metamorphism. Usage of the terms china clay and kaolin is not well defined; sometimes they are used synonymously for a group of similar clays, and sometimes kaolin refers to those obtained in the United States and china clay to those that are imported. Some authorities term as china clays the more plastic of the kaolins. China clays have long been used in the ceramic industry, especially in fine porcelains, because they can be easily molded, have a fine texture, and are white when fired. France's clays are made into the famous Sèvres (see A. Brongniart) and Limoges potteries. These clays are also used as a filler in making paper. In the United States, deposits are found primarily in Georgia, North Carolina, and Pennsylvania; china clay is also mined in England (Cornwall) and France.

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The Columbia Encyclopedia, Sixth Edition Copyright© 2004, Columbia University Press. Licensed from Lernout & Hauspie Speech Products N.V. All rights reserved.

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Questia Books and Articles on: China Clay
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books on: China Clay  - 2410 results

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...him amid a storm of falling china. Clay looked around belligerently...Petersburg." 25 Minister Clay did, however, win the approval...was presented to the Czar. Clay dressed himself in his military...his two secretaries, Green Clay, his nephew, and William Cassius Goodloe, son of Clays friend and business associate...
carpets for the floors, blue china and steel knives and forks for the table; a small book case for the living room, a grandfathers...leader of the Whig Party to which all the Fricks and all the Overholts then adhered, HENRY CLAY FRICK.
...Russias legal rights in the line. Now, with China threatening to unilaterally repudiate the...change of the railways status in favor of China would have dangerous implications for the...Technical Board would be transferred to China as a mandate. The technical operation...
...stretching beyond the valley of Mexico, reaches even to the plains of Central America; while the Sandwich Islands and the shores of China recognise its renovating influence. Wherever that influence is felt, a desire for protection under those institutions is awakened...
...Exports from the Peoples Republic of China: Class A: Soybeans, coal, iron ore...ore, alumina, poshan bauxite, barite, clay, fluorspar, apatite, asbestos, antimony, kaolin clay-China clay-pig bristle, sheep wool, cashmere...
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journal articles on: China Clay  - 638 results

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Awakening Giants, Feet of Clay: Assessing the Economic Rise of China and India. by Sheena Jones...192 pages. The story of China and India usually goes as follows...and globalization in India and China. For example, World Bank figures...
Dragons with Clay Feet? Transition, Sustainable...and Rural Environment in China and Vietnam by Stan B-H...and Rural Environment in China and Vietnam, edited by Max...sustainable resource use in China and Vietnam. Its chief concern...
...wheel, wedging, glazing, firing. Clay, by Hull (1989) also begins with a definition of clay, along with an explanation of secondary clays, since the projects detailed in the book all use red or white clay, which fit the category, having...
...background to Ronyoung Kims Clay Walls by Sae-a Oh In the middle...thousands of Koreans to Manchuria, China, the United States, and even...Kims autobiographical novel, Clay Walls (1987), is placed within...Jane Phillips points out that "Clay Walls has received little attention...
...Elementary Teachers Ideas about Clays by Audrey C. Rule INTRODUCTION Economic Importance of Clay - From prehistoric times, people have used clays for agriculture, pottery, and building. Clay is an important component or...refractories; fine porcelain china, stoneware crockery, earthenware...
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magazine articles on: China Clay  - 516 results

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...Analysis. Overleaf, Edward Clay Shows How the Foreign Office...by Jeremy Greenstock , Edward Clay Is Britain being adventurous...concerning the Middle East, or China, or nuclear proliferation...Ditchley Foundation. Sir Edward Clay was director of public diplomacy...
...local cost structures" in western China. Fords chairman and CEO, William clay Ford Jr., recently announced...much as $1 billion in parts from China next year. Still, some parts must be imported to China for use in Changan Ford cars...
...According to Chinese geologists, China houses the worlds third most...minerals have been discovered in China. Significant deposits are thought...fields were in operation in China, employing 21 million people...diamonds, phosphorus, limestone, clay, and salt; and "water and...
...and steamed dishes; Chinese clay pot and hot pot dishes; dim...watermelon and apples. Generally in China, fruit is served at the end...vegetarianism was still quite rare in China. After all, isnt meat consumption...And then it dawned on me-China was still in the midst of a...
The Macartney embassy to China, 1792-94 by Paul Gillingham...of everyday life in Imperial China in the sort of detail that makes...made road of compacted sand and clay, and travelling along with...left in no doubt that this was China, not Surrey, by the Great...
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newspaper articles on: China Clay  - 602 results

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...Exhibition Seen outside China;Emperors Clay Army: The Ranks of Terracotta...outside Xianin the centre of China, a 90-minute flight...the earliestshards of clay. In retirement, he has...mercury poisoning. 1912 China proclaims it is a republic...
...it finally became clear that China would make it over all the hurdles...definitely picked up," says Clay Hickson, president of the Maryland-China Business Council. Multinationals have seen the potential in China for years. AOL Time Warner...
China trades with U.S. from position...Jiangling Motors Corp. William Clay Ford Jr. thanked Beijing and...companys long-term commitment to China. "There is no such thing as...against corporate interests in China has Washington reluctant to...
House approves favorable status for China trade: But WTO membership unlikely by...revoke favorable trade status for communist China but displayed waning tolerance of what...California Republican and a leader of the anti-China forces. "I dont know what more the communist...
...permanent normal trade status to China. Voting yes were 73 Democrats...Y; Talent, Y. Democrats - Clay, N; Danner, N; Gephardt...yesterday expanding trade ties with China would: * Eliminate annual reviews...Trade Organization. * Force China to open a wide range of markets...
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encyclopedia articles on: China Clay  - 41 results

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CHINA CLAY one of the purest of the clays, composed chiefly of...for a group of similar clays, and sometimes kaolin...the United States and china clay to those that are imported...Some authorities term as china clays the more plastic of the...
...purest clays are the china clays and kaolins. "Ball clay" is a name for a group...lithification process, compacted clay layers can be transformed...From prehistoric times, clay has been indispensable...adobe) or fired. Clays are also of great industrial...coverings, of porcelain, china, and earthenware, and...
CHINA MARKS potters trademark or signature, incised in the plastic clay before firing or printed before glazing on the bottom...on pottery or porcelain usually include a list of the china marks of the important factories...
BONE CHINA variety of porcelain developed...18th and early 19th cent. The clay is tempered with phosphate of...English Porcelain and Bone China, 1743 1850 (1955); H. Peter and N. Schiffer, China for America: Export Porcelain...
KAOLINITE ka linit, clay mineral crystallizing in the monoclinic...and forming the chief constituent of china clay and kaolin. It is a hydrous aluminum...and nacrite (both of which are also clay or kaolin minerals) but differs from...
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