 | | Journal (article/letter/editorial) | | crystals, Arkansas also boasts an array of other minerals, as evidenced by this county-by-county description...R K A N S A S H A S A R I C H M I N E R A L and mining heri tage that started in the early 1800s with...of Magnet Cove, continued with mining in north ern and western Arkansas and Magnet Cove during the Civil...extensive collecting in Magnet Cove. In the 1900s, mining and minerals continue to play important roles in...the state, with obvious peaks in exploration and mining having occurred during World Wars I and I I . |  | | Report (volume) | | 5 Acknowledgments 5 Geology 5 Mining activity 5 Iron mines 5 Manganese mines 8 Geochemical survey 8 Assessment...cited 14 11 PLATE 1. Maps showing geology and mine workings in the Rich Hole Roadless Area, Alleghany...Rockbridge Counties and includes Brushy Mountain and the eastern flank of Mill Mountain (figs. 1, 2). The highest...highest point is 3,570 feet above sea level on Brushy Mountain; the lowest point is 1,400 ft above sea level...along the central and north- ern parts of Brushy Mountain. The overlying beds of sandstone, quartzite |  | | Book | | 265 274 Vermiculite 145 Magnesite & magnesia Manganese minerals 255 Titanium & zirconium minerals ...in this book. More than 90% of manganese goes into steel, but manganese also has dozens of nonmetallic...boundaries of the mineral industry are clear: the mining and milling of feldspar, for example, belong to...does not. But how does one draw the line between mining and manufacturing where brine from a salt well...districts, or a representative district if there are many. We name the chief mining companies, and give production |  | | Report (issue) | | C. A. Michael. COLD NUGGET FROM SPOTSYLVANIA COUNTY: Longest dimension approximately 13 cm., photograph...updated “check list” just alluded to, (2) a county-by-county listing of the minerals, and (3) resumes of...(Haydcnitc) 9 Virginia Mineral Localities by County This list is included for possible aid in planning...listed only* if localities arc given for them. The county lists do not include com mon rock-making materials...to occur only as traces. ACCOMACK COUNTY: none given. ALBEMARLE COUNTY: actinolitc, agate, almandine, amethyst |  | | Report (volume) | | Western Sierra C:ourlty, New Mexico, Suggested by Mining Distri.cts, Ceologyt and c ·eochemicaf, Anomalies... Mineral Belts in Western Sierra County, New Mexico, Suggested by Mining Districts, Geology, and Geochemical...information on mineral belts in western Sierra County, New Mexico, indicates many new areas favorable...1921Mineral belts in western Sierra County, New Mexico, suggested by mining districts, geology, and geochemical...resources-New Mexico-Sierra County. 2. Geology-New Mexico-Sierra County. I. Heyl, Allen Van, 1918- II |  | | Report (issue) | | prepared during the last 20 years by geologists and mining engineers of the U.S. Geological Survey and the...E. Williams ...... . ............. . Dragoon Mountains Roadless Area, Arizona, by Harald Drewes and T...Drewe and P. R. Bigsby .................. . Pine Mountain Wilderness , Arizona, by Frank C. Canney and Frank... . . . . . . . . . . . . . . . . . . . . . 39 Arkansas . . . . . . . . . . . . . . . . . . . . ............. Bell Star East and West Roadless Areas, Arkansas, by Mary 43 H . Miller and Lyle E. Harris . . |  | | Report (volume) | | are as follows: COLORADO. Mineralogy. Montrose County, uranium-vanadium deposits: Weeks, A. D., 13R....Iron, Cook County, titaniferous magnetite: Grout, F. F., 5. IRON. Minnesota, Cook County, titaniferous...and have not been searched completely. A.I.M.E., Mining Geology Geophysics Div. Ann. Mtg., Abs. Tech. Papers;...Br. Abs. American Institute of Mining and Metallurgical Engineers, Mining, Geology, and Geophysics Division...Technical Papers; Mining Branch Abstracts. New York. A.I.M.E. Trans. American Institute of Mining, Metallurgical |
|
