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Books Books 11 - 20 of 28 on Portland cement. — Portland cement is produced by burning a finely ground artificial....
" Portland cement. — Portland cement is produced by burning a finely ground artificial mixture containing essentially lime, silica, alumina, and iron oxide in certain definite proportions. Usually this combination is made by mixing limestone or marl with... "
Structure of the Berea Oil Sand in the Flushing Quadrangle, Harrison ... - Page 206
by William Tudor Griswold - 1908 - 30 pages
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Geology and Mineral Resources of Mississippi

Albert Foster Crider, Edwin Clarence Eckel - Geology - 1906 - 99 pages
...a finely ground artificial mixture consisting essentially of lime, silica, alumina, and iron oxide, in certain definite proportions. Usually this combination...made by mixing limestone or marl with clay or shale, in which case about three times as much of the lime carbonate should be present in the mixture as of...
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The clay deposits of the Virginia coastal plain

Heinrich Ries, William Bullock Clark, Benjamin LeRoy Miller - Clay - 1906 - 184 pages
...burning a finely ground artificial mixture containing essentially lime, silica, alumina, and iron oxide in certain definite proportions. Usually this combination...made by mixing limestone or marl with clay or shale, in which case the mixture should contain about three parts of the lime carbonate to one part of the...
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Mississippi: Comprising Sketches of Counties, Towns, Events, Institutions ...

Dunbar Rowland - Mississippi - 1907
...essentially of lime, silica, alumina and iron oxide, in certain and definite proportions. Usually the combination is made by mixing limestone or marl with clay or shale, producing a clinker which, when finely ground, is the cement. The ingredients are a subject of constant...
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Mineral resources of Virginia

Thomas Leonard Watson, Ray Smith Bassler, Heinrich Ries, Roy Jay Holden, Virginia. Jamestown Exposition Commission - Jamestown (Va.) - 1907 - 618 pages
...other substances. This ideal composition is seldom realized in nature, and, as a rule, an artificial combination is made by mixing limestone or marl with clay or shale. In this case, one part of the clayey materials is generally added to three parts of pure limestone....
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Encyclopedia of Mississippi History: Comprising Sketches of ..., Volume 1

Dunbar Rowland - Mississippi - 1907
...essentially of lime, silica, alumina and iron oxide, in certain and definite proportions. Usually the combination is made by mixing limestone or marl with clay or shale, producing a clinker which, when finely ground, is the cement. The ingredients are a subject of constant...
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Bulletin - United States Geological Survey, Issue 347

Geological Survey (U.S.) - Geology - 1908
...principal kinds being Portland cement and natural cement. Portland cement is produced by liiiniing a finely ground artificial mixture containing essentially...the product of an impure limestone containing from 15 to 40 per cent of silica, alumina, and iron oxide. Calcareous and argillaceous rocks suitable for...
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Mineral Resources of Alaska: Report on Progress of Investigations in 1907

Geological Survey (U.S.), Alfred Hulse Brooks - Geology - 1908 - 294 pages
...plaster, $9 to $12 per ton. CEMENT. There are several kinds of cement, the principal kinds being Portland cement and natural cement. Portland cement is produced...made by mixing limestone or marl with clay or shale ; such a mixture should contain about three parts of the carbonate to one part of clayey material....
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Bulletin - United States Geological Survey, Issue 345

Geological Survey (U.S.) - Geology - 1908
...plaster, $9 to $12 per ton. CEMENT. There are several kinds of cement, the principal kinds being Portland cement and natural cement. Portland cement is produced...made by mixing limestone or marl with clay or shale ; such a mixture should contain about three parts of the carbonate to one part of clayey material....
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Mineral Resources of the United States, Part 2

United States. Bureau of Mines - Mineral industries - 1908
...a finely ground artificial mixture consisting essentially of lime, silica, alumina, and iron oxide, in certain definite proportions. Usually this combination...made by mixing limestone or marl with clay or shale, in which case about three times as much of the lime carbonate should be present in the mixture as of...
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Annual Report of the Mining Department, Volume 18

Mines and mineral resources - 1909
...burning a finely gfound artificial mixture consisting essentially of lime silica, alumina and iron oxide, in certain definite proportions. Usually this combination...made by mixing limestone or marl with clay or shale, in which case about three times as much of the lime carbonate should be present in the mixture as of...
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