 ... by erosion, and are high enough above the drainage of the country to be readily quarried. Erosive action has removed a part of the bauxite in some cases, but there are in all probability many places at which it has not yet been even uncovered. It...  The Non-metallic Minerals: Their Occurrence and Uses - Page 94by George Perkins Merrill - 1910 - 432 pagesFull view - About this book
 | United States National Museum - 1901 - 884 pages
...varies more or less in color and in chemical composition. (Specimen No. 67600 from Pulaski County.) At a few places it is so charged with iron that attempts...ferruginous kind is exceptional, however. From the dark red varieties it grades through the browns and yellows to pearl gray, cream colored, and milky... | |
 | Newton Horace Winchell - Geology - 1891 - 460 pages
...places at which it has not yet been even uncovered. It is pisolitic in structure, and, like all bauxite, varies more or less in color and in chemical composition....ferruginous kind is exceptional, however. From the dark red varieties it grades through the browns and yellow to pearl gray, cream-colored and milky white,... | |
 | Newton Horace Winchell - Geology - 1891 - 432 pages
...places at which it has not yet been even uncovered. It is pisolitic in structure, and, like all bauxite, varies more or less in color and in chemical composition....ore. Some of the samples from these pits assay over .iO per cent of metallic iron. This ferruginous kind is exceptional, however. From the dark red varieties... | |
 | John Michels (Journalist) - Science - 1891 - 392 pages
...places at which it has not yet been even uncovered. It is pisolitic in structure, and, like all bauxite, varies more or Less in color and in chemical composition. At a few places it is 10 charged with iron, that attempts have been made to mine it for iron ore. Some of the samples from... | |
 | Thomas Leonard Watson - Bauxite - 1904 - 214 pages
...places at which it has not yet been even uncovered. It is pisolitic in structure, and, like all bauxite, varies more or less in color and in chemical composition....dark-red varieties it grades through the browns and yellow to pearl-gray, cream-colored, and milky-white, the pinks, browns and grays being the more abundant.... | |
 | Georgia. Department of Mines, Mining, and Geology - Geology - 1904 - 224 pages
...places at which it has not yet been even uncovered. It is pisolitic in structure, and, like all bauxite, varies more or less in color and in chemical composition....dark-red varieties it grades through the browns and yellow to pearl-gray, cream-colored, and milky-white, the pinks, browns and grays being the more abundant.... | |
 | Mississippi Geological, Economic, and Topographical Survey - Geology - 1923 - 516 pages
...places at which it has not yet been even uncovered. It is pisolitic in structure, and, like all bauxite, varies more or less in color and in chemical composition....dark-red varieties it grades through the browns and yellow to pearl-gray, cream-colored, and milky«9Branner, John C., Bauxite in Arkansas, American Geologist,... | |
 | Geological Survey (U.S.) - Forest reserves - 1895 - 736 pages
...places at which it has not yet been even uncovered. It is pisolitic in structure, and, like all bauxite, varies more or less in color and in chemical composition....dark-red varieties it grades through the browns and yellow to pearl-gray, cream-colored, and milky-white, tho pinks, browns and grays being the more abundant.... | |
 | Mississippi State Geological Survey - Bauxite - 1923 - 224 pages
...places at which it has not yet been even uncovered. It is pisplitic in structure, and, like all bauxite, varies more or less in color and in chemical composition....dark-red varieties it grades through the browns and yellow to pearl-gray, cream-colored, and milky69Branner, John C., Bauxite in Arkansas, American Geologist,... | |
 | Ephraim Noble Lowe - Mines and mineral resources - 1923 - 504 pages
...at which it has not y «t been even uncovered. It is pisplitic in structure, and, liie all bauxite, varies more or less in color and in chemical composition....samples from these pits assay over 50 per cent of "rnetallic iron. This ferruginous kind is exceptional, however. From the dark-red varieties it grades... | |
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