Bulletin, Issues 325-329U.S. Government Printing Office, 1949 - Geology |
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Common terms and phrases
Alaska Arkansas auriferous average basin beach beam bed rock bench Bendeleben Mountains boiler efficiency bowlders Cape Nome carbon cent Chickaloon chloritic clay clinker coal bed coal field coastal plain Collier combustion-chamber temperature creek bed curve deposits district ditch Drill hole dry coal east efficiency 72 fault feet thick formation Fort Smith fossils furnace Geological Survey geology granite gravel greenstone Gulch Hartshorne hydrogen inches Kigluaik Kigluaik Mountains Kougarok limestone lower Matanuska Matanuska River material miles mineral mining Mountains mouth Neuropteris Niukluk River Nome group Norton Bay Norton Bay regions Number of tests Ophir Creek outcrop pay streak placer gold Port Clarence pound of combustible pounds of dry probably quartz ratio reconnaissance reported River sample sand sandstone schist Seward Peninsula shaft Shale Shale roof shows slope Spadra stream surface tion tributary U. S. Geol upper valley veins
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Page 19 - These pats, to satisfactorily pass the requirements, shall remain firm and hard and show no signs of distortion, checking, cracking, or disintegrating.
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Page 20 - All tests shall be made in accordance with the methods proposed by the Committee on Uniform Tests of Cement...
Page vi - The interaction between minerals and water solutions, with special reference to geologic phenomena, by EC Sullivan.
Page 10 - Reconnaissances in the Cape Nome and Norton Bay regions, Alaska, in 1900,
Page 81 - Method. — As a method to be followed for the analysis of cement, that proposed by the committee on uniformity in the analysis of materials for the...
Page 19 - Sand. 7 days (1 day in moist air, 6 days in water)... 200 Ibs.
Page viii - Butts. 1906. 198 pp., 11 pis. B 280. The Rampart gold placer region, Alaska, by LM Prindle and FL Hess. 1906.
Page 19 - Pats of neat cement about 3 inches in diameter, \ inch thick at the center, and tapering to a thin edge, shall be kept in moist air for a period of 24 hours. " (a) A pat is then kept in air at normal temperature and observed at intervals for at least 28 days.
Page 7 - Concrete and Reinforced Concrete was formed by the union of Special Committees appointed in 1903 and 1904 by the American Society of Civil Engineers, the American Society for Testing Materials, the American Railway Engineering...