 A deposit so thin as 20 feet should have an areal extent of at least 20 acres of good sand in sight to warrant the erection of a mill and trackage. Most deposits are thicker than 20 feet, but it would be safer to have a much higher ratio between areal...  Contributions to Economic Geology, 1905 - Page 472by Geological Survey (U.S.), Samuel Franklin Emmons - 1906 - 506 pagesFull view - About this book
 | United States - 1904 - 1040 pages
...complex problem, depending upon a number of distinct factors, the more important of which arc as follows: (1) Chemical composition, (2) physical character, (3) amount available, (4) location with respect to transportation routes, (5) location with respect to fuel supplies, (fi) location with respect to markets.... | |
 | George Ferdinand Becker - Schistosity - 1904 - 732 pages
...complex problem, depending upon a number of distinct factors, the more important of which arc as follows: (1) Chemical composition, ('2) physical character,...(3) amount available, (4) location with respect to transportation routes, (5) location with respect to fuel supplies, (('•) location with respect to... | |
 | Heinrich Ries - Clay - 1906 - 690 pages
...complex problem, depending upon a number of distinct factors, the more important of which are as follows: (1) Chemical composition, (2) physical character, (3) amount available, (4) location with respect to transportation routes, (5) location with respect to fuel supplies, (6) location with respect to markets.... | |
 | Geology - 1909 - 568 pages
...complex problem, depending upon a number of distinct factors, the more important of which are as follows: (1) Chemical composition, (2) physical character, (3) amount available, (4) location with respect to transportation routes, (5) location with respect to fuel supplies, (6) location with respect to markets.... | |
 | Geology - 1910 - 106 pages
...is almost pure white. Localities near Marietta, Atoka and Antlers are said to yield good glass sand. The factors on which a deposit of sand depends for...available, (4) location with respect to fuel supplies, (5) condition of quarrying or mining, and (6) location with respect to markets. per cent. per cent. Operator... | |
 | Geology - 1910 - 100 pages
...is almost pure white. Localities near Marietta, Atoka and Antlers are said to yield good glass sand. The factors on which a deposit of sand depends for...available, (4) location with respect to fuel supplies, (5) condition of quarrying or mining, and (6) location with respect to markets. per cent. per cent. Operator... | |
 | Geology - 1910 - 102 pages
...is almost pure white. Localities near Marietta, Atoka and Antlers are said to yield good glass sand. The factors on which a deposit of sand depends for...available, (4) location with respect to fuel supplies, (5) condition of quarrying or mining, and (6) location with respect to markets. per cent. per cent. Operator... | |
 | Digital images - 1912 - 1256 pages
...for its possible value for making glass are (1) chemical purity, (2) physical character, (3) quantity available, (4) location with respect to fuel supplies,...pages. A deposit so thin as 20 feet should have an area! extent of at least 20 acres of good sand in sight to warrant the erection of a mill and trackage.... | |
 | Edwin Clarence Eckel - Portland cement - 1913 - 458 pages
...material is a complex problem, depending on a number of distinct factors, the more important of which are (1) chemical composition, (2) physical character,...(3) amount available, (4) location with respect to transportation routes, (5) location with respect to fuel supplies, (6) location with respect to markets.... | |
 | Geological Survey (U.S.) - Geology - 1927 - 580 pages
...material is a complex problem, depending upon a number of distinct factors, the more important of which are (1) chemical composition, (2) physical character,...(3) amount available, (4) location with respect to transportation routes, (5) location with respect to fuel supplies, (6) location with respect to markets.... | |
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