 | | Journal (article/letter/editorial) | | University Auburn, Alabama 36849-5305 Proustite DELORES MINE, CHANARCILLO, CHILE 344 ROCKS & MINERALS...pick? I suspect that many of us would choose proustite, the lighter red of the two most familiar members...silver family. The acquisition of even a good proustite specimen in a size larger than a thumbnail is...truly difficult-to-acquire collectible species. Proustite is well known for its scarlet to vermillion color...relatively dense with a specific gravity of about 5.6. Proustite is uniaxial and exhibits strong anisotropism. |  | | Journal (article/letter/editorial) | | acanthite paramorph after argentite from the Rayes mine, Guanajuato, Mexico. Francis Benjamin specimen,...1878); the Baker quarry near Billmeyer, Lancaster County, Pennsylvania, where it occurs as an alteration...Hill occurrence in Davidson County, and the McMakin mine in Cabarrus County (Genth 1891); and mines of...of the Virgilina district, Halifax County, Virginia (Dietrich 1990). The great silver occurrences of the...Raven and Black Jack mines of the Ward district, Boulder County, were coated with acicular crystals of |  | | Journal (article/letter/editorial) | | occurring together) from the Calumet and Hecla mine. Excepment in the oxide zones of a variety of metal...Copper Falls mine, associations and include those containing other silver minerals, Keweenaw County. barite...major Acton mine, York County, the Deer collections. One state that is draped in a silIsle mine, and the...the Sullivan mine ver-lined history is Colorado, with a pro(King and Foord 1994). Silver duction of more...more than 750 million ounces to occurred in a mine about a mile its credit. Fine wire- and crystallized-silver |  | | Report (volume) | | form of the earlier lists was twofold, a separate group of items showing the substances "mined" and "not...it helpful to refer to Survey Bulletin 507, "The mining districts of the western United States," and to...abundant, it may have been completely exhausted by mining or quarrying. Deposits of minerals of wide distribution...because they occur in sufficient quantity to warrant mining for their usual products but because they furnish...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found |  | | Report (volume) | | ....................................... 102 District of Columbia .................................................................................. Idaho...................................................to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to...abundant it may have been completely exhausted by mining or quarrying. Deposits of minerals that are widely...because they occur in sufficient quantity to warrant mining for their usual products, but because they furnish |  | | Book (edition) | | them not hitherto or elsewhere discovered The Mica mining industry, for example, has brought to a Pi 7...extraordinary collection of quartzes, he has “ one group of 13 smoky crystals, having 52 moveable bubbles...York, has spent many months in explorations and mining for these mineral rarities, and has himself added...B. boring gold region. for notes of the mica mining And to Prof. A. A. Julien the survey occurrence...115. Kerrite. Damourite. 70. Amphibole. 32. Proustite. 71. Smaragdite. 116. Maconite. 33. Aikinite |  | | Report (volume) | | 50. II. Tertiary History of the G-rand Caiion District, with atlas, by Clarence E. Dutton, Capt. U. S... Geology of the Comstocls Lode and the Washoe District, with atlas, by George F. Becker. 1882. 4°. xv...of 21 sheets folio. Price $11.00. IV. Conistock Mining and Miners, by Eliot Lord. 1883. 4°. xiv, 451 pp...Price $1.20. VIII. Paleontology of the Eureka District, by Charles Doolittle Walcott. 1884. 4°. xiii...46 pi. and maps. Price $1.75. XII. Geology and Mining Industry of Leadville, Colorado, with atlas, by |  | | Book (edition) | | YEAR 1687"—DAVID T. DAY, CHIEF OF THE DIVISION OF MINING STATISTICS AND TECHNOLOGY WASHINGTON GOVERNMENT...and consump tion, or better and cheaper means of mining, extraction, and convey ance to market, may in...correspondence has been carried on with geologists, mining engineers, and other local authorities, and various...mmed at Broken Arrow aud Trout creek, in Sc. Clair county. The strata in this field are more faulted und...prong of Canoe creek, in St. Clair county, to Ha\sop creek, in Bibb county, a distance of 60 miles. Down to |  | | Book (edition) | | some number of them not hitherto or, The Mica mining industry, elsewhere discovered iu America. great...in to In his extraordinary collection of "one group of 13 smoky crystals, moveable bubbles and 9 basal...with Mr. W. E. Hidden, of New explorations and mining for these mineral Among these, York, has spent...occurrence of notable miner- many points in the mica mining section of the State, and elsewhere. The present...Burdiek, Macon Prof. J. T. I From am of county, of Mr. J. A. D. Stevenson, of States- Humphreys |  | | Report (issue) | | . . ALAMANCE COUNTY 5 5 Pyrophyllite ...... f .......... 5 ALEXANDER COUNTY ................. 9 ALLEGHANI COUNTY 1± Manganese ....... f 11 Barite , 11 Copper . 11 ASHE COUNTY. . . . Copper...Staurolite AVERY COUNTY . . ......... 13 13 13 . 13 Iron and Epidote BUNCOMBE COUNTY Garnet ...........13 Moonstone and Associated Minerals 15 BURKE COUNTY 15 Corundijin 15 Itacolumite 15 Toiirmaline...Amethyst f . , 4 .18 CABARRUS COUNTY 18 Minerals of the Cabarms County Mines 18 CALDWELL COUNT! 18 Pyrite |  | | Journal (article/letter/editorial) | | comprehensive listing, including detailed spot locations on county road maps, refer to this publication, which can...The price is $5.00 plus 4% sales tax. Individual county road maps can be obtained from the North Carolina...Carolina 27611 B. J . M C K E N Z I E Alamance County Pyrophyllite, cacoxenite, diaspore, sericite, pyrite...ilmenite, topaz, and chert are found at the Snow Camp mine (Holman's Mill) located 2.7 miles southeast of the...onto SR 2352 for approx imately 1.9 miles. The mine lies north of the road on the side of a wooded hill |  | | Report (issue) | | beauty are found in Cowee Valley in the Franklin County area of western North Carolina. Many of these.......................... 10 12 History of Gem Mining ..... .......................... . 12 Important...Alamance County ........................................................... 24 24 Alexander County ......Alleghany County ....................................................... 25 Ashe County ............Avery County ............................................................... 25 Buncombe County ... | | | Report (issue) | | beauty are found in Cowee Valley in the Franklin County area of western North Carolina. Many of these...GEM STONES IN NORTH CAROLINA 12 History of Gem Mining 12 Important Gem Stones 12 Diamond 12 Corundum...COUNTIES Alamance County • .' 22 24 24 Alexander County 24 Alleghany County 25 Ashe County • 25 Avery...Avery County 25 Buncombe County 26 Burke County 26 Cabarrus County 27 Caldwell County 27 Caswell...Caswell County 27 Catawba County 28 Chatham County 28 Cherokee County 28 Clay County • • 29 Cleveland |  | | Book (volume) | | Space group R5m. 162 under Structure cell, for Space group i?3, i?32 or R2m read Space group RSm...up 165 for to Temiskaming Cochrane district read district. Ref. 4, under oruetite, add See also...wider Fortns, for y 7078 read y 7078. in Niccolite Group tabulation, after 2656 Pentlandite for (Fe, Ni)S...Uncertain forms, for 1 in Ref. 2, for space group Pnma read space group Pmcn. down down • under Forms, for... for VVakatipu district, CoUingwood, 294 Zealand read Wakatipu 303 line district, 8 in synonomy |  | | Report (issue) | | 31 University of Nevada Press, Reno, Nevada 89557 USA Copyright © 2004 by University of Nevada Press Photographs...copyright © 2004 unless otherwise noted Map of Mining Districts and significant mineral occurrences of...Olivenite, 1.6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn collection. Photograph...production of environmental protection equipment. Mining and the discovery, identification, and development...to Nevada in 1929 and was actively involved in mining in the state and the western U.S. for the rest | | | Report (issue) | | 3i University of Nevada Press, Reno, Nevada 89557 USA Copyright© 2004 by Uni versity of Nevada Press Photographs...te, r.6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn coJlection. Photograph...percent of the state. Nevada's public lands offer mining, livestock grazing, wild horse viewing, .scenic...Road and Geologic Tours in th<' Las Vegas Area. Mining and the discovery, identification, and development...Vavis The Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper MINERAL CATALOG 91 |  | | Book (edition) | | mark the degree of symmetry which belongs to each group of forms, and which is in fact the fundamental distinction...that in group 1 the crystals are formed or developed alike in all three axial directions ; in group 2 the...in the several lateral directions, but unand in group 3 the crystals are formed unlike in all three like...species. In f 229, of anorthite, of the feldspar group, the form is very similar to those of the monoclinic...octahedron, it is especially common with the spinel group of minerals similarly, f. 269, a more complex form |  | | Book | | was m e r e l y p a r t o f t h e waste o f t h e mine. W h a t t h e y needed was h i g h grade ore o...Washington D.C. area visit Virginia's noted Rutherford Mine. Photograph by Dr. Virginia Lee Blackford. ical...dollars at the noted locality of Cowee Valley, Macon County, North Carolina. An enthusiastic family found and...trippers visited the well known old Rutherford mine in Amelia County, Virginia, and found bright spessartine...green gem spodumene, was discovered in Alexander County, North Carolina, in 1880 and named for one of its |  | | Book (edition) | | mark the degree of symmetry which belongs to each group of forms, and which is in fact the fundamental distinction...study of these different systems will show that in group 1 1. : ; : A the crystals are formed or developed...developed alike in all three axial directions; in group 2 the development is alike in the several lateral...lateral directions, but unlike vertically ; and in group 3 the crystals are formed unlike in all three These...species. In f 229, of anorthite, of the feldspar group, the form is very similar to those of the monoclinic |  | | Book (edition) | | iH ^ fe o -• vO y MINERALOGY AND MINING. Mine Accidents —Ventilation — Ore Dressing, Etc...in fullness of plan, tion." American Journal of Mining. detail, and execu- THIRD APPENDIX TO DITTO...species. By Edward H. Williams, Jr., Professor of Mining Engineering at Lehigh University, Pa 18mo, cloth...DRESSING IN EUROPE, KUNHARDT. By W. B. Kunhardt, Mining Engineer 8vo, cloth, 1 60 ACCIDENTS IN MINES...possession of every person connected with the mining of coal." Mining Herald. " This book should be not only |
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