Information Circular, Issues 8544-8551U.S. Department of the Interior, Bureau of Mines, 1972 |
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Common terms and phrases
Abu Dhabi agreement AN-FO analysis Blasting pattern dimensions borehole BuMines Rept Bureau of Mines calculated canopy carbon monoxide Chem chemical coke combustion concentrate produced concession Copper crude oil deposits detector drilling emissions energy exploitation exploration feet fly ash FORMAT fractures froth flotation fuel gases gasification geologic granted holder holes hydrocarbons hydrogen increased indicate industry joint lessee lignite loaded metal methane methods million tons minerals mining lease Ministry natural gas NIOC nonmetal obtained Oil Company oil shale organic wastes oxide oxygen percent permit Petroleum Law pipeline plants pounds production properties prospecting license quantities quartz reservoir respirable coal rock Rogers C. B. Morton royalty samples Saudi short tons slurry sodium solid square kilometers square miles sulfide sulfur dioxide surface TABLE technique tests tion Total treated tubes underground United Value Z FORCE Zinc
Popular passages
Page 1 - Federal Coal Mine Health and Safety Act of 1969". FINDINGS AND PURPOSE SEC. 2. Congress declares that — (a) the first priority and concern of all in the coal mining industry must be the health and safety of its most precious resource — the miner...
Page 9 - The area covered by a mining lease shall be bounded by straight lines and shall not exceed the size estimated to be sufficient to include the probable extent of the deposit in addition to a reasonable area for auxiliary purposes.
Page 1 - Respirable dust standard when quartz is present. When the concentration of respirable dust In the mine atmosphere of any workIng place contains more than 5 percent quartz, the operator shall continuously maintain the average concentration of respirable dust in the mine atmosphere to which each miner in such working place is exposed at or below a concentration of respirable dust, expressed in milligrams per cubic meter of air, computed by dividing the percent of quartz into the number 10: Provided,...
Page v - ... placed on the production of fluid fuels and chemicals from coal. Advances were achieved in the development of the Synthane and Hydrane gasification processes for producing pipeline gas from coal, and progress was made in research on solid wastes utilization, and on liquid fuels production from coal. Coal mine safety, solid waste disposal and utilization, coal preparation and transport, and fundamental research on coal and related products also continued to be the subject of extensive research....
Page 2 - Fault. A fracture or fracture zone along which there has been displacement of the sides relative to one another parallel to the fracture plane or planes.