 | | Report (volume) | | Associated with Stratabound Sulfide Deposits, Custer County, Colorado GEOLOGICAL SURVEY BULLETIN 1513 ~apphirine...Associated with Stratabound Sulfide Deposits, Custer County, Colorado By WILLIAM H. RAYMOND, PETER A. LEIGGI...associated with stratabound sulfide deposits, Custer County, Colorado. (Geological Survey Bulletin 1 513) Bibliography:...of Docs. no.: I 19.3:1513 1. Sapphirine-Colorado-Custer County. 2. Geology, Stratigraphic-Precambrian.... 3. Sulphides. 4. Geology-Colorado-Custer County. I. Leiggi, Peter A., joint author. II. Sheridan, Douglas |  | | Journal (article/letter/editorial) | | BASE-METAL SULFIDE OCCURRENCES, COLORADO: A RE-EVALUATION OF GAHNITE COMPOSITION AS A GUIDE IN EXPLORATION...metamorphosed to the amphibolite and granulite facies in Colorado, many of which are spatially associated with Mg-rich...Mountains (Marion and Amethyst prospects and an unnamed prospect) are depleted in Zn and enriched in Mg and...massive-sulfide deposits in Mg-rich alteration zones in Colorado, causes a marked enrichment in the spinel component...deposits. Keywords: gahnite, exploration guide, massive sulfides, magnesium enrichment, Colorado. SOMMAIRE Le |  | | Journal (article/letter/editorial) | | Minerals on "A Gahnite Occurrence in Carroll County, Georgia" (November/December 1988). Banks County 184 ROCKS...Bentley provided many of the photographs. Baldwin County Milledgeville district—between the State Sanitarium...pit—east of S.R. 243 near the Baldwin-Wilkerson County line: kaolinite (Martin and Stafford, 1972). Cheatham...property—Route 3, Commerce, 4.8 km from the Jackson County line, 8 km east of Commerce on S.R. 59, and 0.8...[University of Calgary] at 09:55 07 August 2017 Barrow County Arnold mine—1.6 km northeast of Statham, near the |  | | Report (issue) | | Geological Survey editorial standards. Denver, Colorado August 1986 Table of Contents Introduction...NAME 59 SYNONYMS 59 SITE TYPE 59 DISTRICT/AREA 60 COUNTY 60 STATE 60 COUNTRY 61 2 DEGREE QUADRANGLE 61 PRIMARY...related to restricted locations such as outcrops or prospect pits. The system must be capable of plotting the...SITE NAME 10 SYNONYMS 11 SITE TYPE 12 DIST AREA 13 COUNTY 14 STATE 15 COUNTRY 16 QUAD 2DEG 17 PRIME QUAD...DIST_AREA COUNTY STATE COUNTRY QUAD 2DE6 PRIME_GUAD SCALE LATITUDE LONGITUDE Verde Creek area Custer CO US |  | | Journal (article/letter/editorial) | | (about 19131, Esterbrook copper district, Albany County. John Taylor collection. An ideal and inexpensive...“The Copper Mountain Pegmatite District, Freniont County, Wyoming” and was in the JulylAugust 2001 issue...most notable ones. The localities are listed by county and then in alphabeticnl order. Where numerous...names are from Hausel (1986). Localities by County Albany County Allanite pegmatite, 12 miles W of Bosler...s, ColoradoWyoming State Line district, Albany County: largest crystal is approximately 0.Y carat. Karl |  | | Book (volume) | | Eugene E. Foord U S. Geological Survey, Denver, Colorado 80225 Production editing and design Robert D...The United States Geological Survey at Denver, Colorado, contains essential information not to be had...greater variety of minerals are found in Oxford County, alone, than anywhere else on Earth of comparable...than Maine's, as well. An area smaller than Oxford County in Murmansk Ob last, Kola Peninsula, Russia, has...clear to slightly blue topazes. However, San Diego County, California, is arguably the most important gem-pegmatite |  | | Book (volume) | | Duane L. Leavitt The Bennett Pegmatite, Oxford County, Maine . ........................................permanent photographic exhibits in the northeastern USA. The Shaubs have been active in ornithological research...tourmalinebearing Himalaya pegmatite at Mesa Grande, San Diego County, California. Most recently, Gene was gratified...articles and many books including Mineralogy of Colorado and Dana's System of Mineralogy. In the mid-1980's...geologist for the U.S. Geological Survey, Denver, Colorado, continued to energetically and enthusiastically |  | | Report (issue) | | 31 University of Nevada Press, Reno, Nevada 89557 USA Copyright © 2004 by University of Nevada Press Photographs... Majuba Hill Mine, Antelope district, Pershing County. N. Prenn collection. Photograph by J. Scovil....Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper 91 References 467 Contributors...Humboldt County and the crystalline quartz collecting area on Petersen Mountain in Washoe County, permission...metamorphosed rocks as much as 1.8 Sierra Nevada, Colorado Plateau, and Columbia Plateau provinces, THE |  | | Book (edition) | | abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...always included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada...Uintah County. Utah. and m (2.B. acanthite group). Monoclinic, C2/m, a,b,c Rio Blanco County. Colorado...Clear Creek co., and at Rice, Dolores co., both Colorado, at the Questa mine, Taos co., New 1994. Abernathyite...Plat., Malawi, G 10 17 River Formation in Uintah County, Utah. Deer et al., v. 2A,483, 1997. Aenigmatite |  | | Report (issue) | | IN THE WEST-CENTRAL GEORGIA PIEDMONT The Carroll County gold belt and the southwestern portion of the Dahlonega...Miners and workings at the Yorkville Mine, Paulding County (Circa 1930). Photo courtesy of Georgia Department...IN THE WEST-CENTRAL GEORGIA PIEDMONT The Carroll County gold belt and the southwestern portion of the Dahlonega.... 26 List of Plates 1. Geology of the Carroll County gold belt and southwestern portion of the Dahlonega...IN THE WEST-CENTRAL GEORGIA PIEDMONT The Carroll County gold belt and the southwestern portion of the Dahlonega | | | Report (issue) | | 3i University of Nevada Press, Reno, Nevada 89557 USA Copyright© 2004 by Uni versity of Nevada Press Photographs... Majuba Hill Mine, Antelope district, Pershing County. N. Prenn coJlection. Photograph by J. Scovil....Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper MINERAL CATALOG 91 121 Gregory...Hurnbo ldt County and the crystalline quartz collecting area on Petersen Mounta in in Washoe County, permission...parts of the state belong to the Sierra Nevada, Colorado Plateau, and Columbia Plateau provinces, most |  | Lindsley, D. H., Frost, B. R., Frost, C. D., Scoates, J. S. (2010) PETROLOGY, GEOCHEMISTRY, AND STRUCTURE OF THE CHUGWATER ANORTHOSITE, LARAMIE ANORTHOSITE COMPLEX, SOUTHEASTERN WYOMING. The Canadian Mineralogist, 48 (4) 887-923 doi:10.3749/canmin.48.4.887 | Journal (article/letter/editorial) | | Brook University, Stony Brook, New York 11794-2100, USA B. Ronald FROST and Carol D. FROST Department of... University of Wyoming, Laramie, Wyoming 82071, USA James S. SCOATES Department of Earth and Ocean Sciences...Anorthosite Complex in the Laramie Mountains, Wyoming, USA. The southwestern portion of the Chugwater Anorthosite...Goat Mountain prospect, the Shanton deposit (Hild 1953, Frey 1946b), and an unnamed prospect in section...and Cr on a chromium-rich ulvöspinel, and Zn on gahnite. Textures The dominant feature of almost all samples |  | | 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 |  | | Book (edition) | | Co\·er photo: \\ 7 ulfenite, Rowley Mine, Maricopa County, 4 cm high specimen, Evan and Melissa Jones Collection...gemandmineralmuseum.arizona.edu) is located in the old Pima County Courthouse building at 115 North Church Avenue...on the market. The mines at Bisbee, in Cochise County, have produced large quantities of gem-quality...mineral stamp issued in 1992. At Morenci, in Greenlee County, gem-quality azurite was also commercially recovered...parallel to the grain. The Blue Ball Mine, in Gila County, has produced thousands of azurite nodules up to |  | | Report (issue) | | ........ . ........ . Colorado Buffalo Peaks Wilderness Study Area, Colorado, by D. C. Hedlund and R...Roadless Area and Powderhorn Wilderness study area, Colorado, by William . Sharp and M. E. Lane . . . . . ...Chama-Southern an Juan Mountains Wilderness study area, Colorado, by Maurice R. Brock and Alec E. Lindquist . ...eota-Flat Top, and ever Summer wilderness study areas, Colorado, by R. C. Pearson and L. L. Patten ..... . .....· · · · · · · · · · · · Eagles est Wilderness. Colorado, by Ogden Tweto and Frank E . Williams ...... |  | | Book | | long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between the towns...Litchfield County. Ilmenite masses and crystals from somewhere near Washington, Litchfield County, were described...Lake Road occurrence, Faraday Township, Hastings County. In fall 1994, Dan and Shelley Lambert extracted...Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's finest ilmenite specimens |  | | Book (edition) | | mine, Si/County, Arizona. Smithsonian Institution. Fornzer!y in...The Bisbee District, Cochise County 64 The Tombstone District, Cochise County 70 The Mammoth-St. Anthony...Anthony Mine, Tiger, Pinal County 78 Uranium and Vanadium Deposits 80 Monument Valley 81 - • Vll The Cameron... Apache County 435 Cochise County 436 Coconino County 437,438 Gila County 439 Graham County 440 Greenlee...Greenlee County 441 La Paz County 442 Maricopa County 443 Mohave County 444 Navajo County 445 Pima County |  | | Book (volume) | | Kobuk jade locality. Descriptions of San Diego County, California, gemstones and the mines in which they...the generous assistance of many residents of that county. My special thanks are extended to Elbert H. McMacken...in the small cavities in limestone in Herkimer County, New York, only one quartz crystal may be found...Lake St. Francis, Coleraine Township, Megantic County. Microscopic crystals were also reported from chromite...found in 1847 at the Vaucluse Gold Mine in Orange County. Details of color, quality, and size are lacking | | | Book (edition) | | mine, Silver district, Trigo Mountains, La Paz County, Arizona. Smithsonian Institution. Formerly in...Bisbee District, Cochise County 64 70 The Tombstone District, Cochise County The Mammoth-St. Anthony Mine...Mine, Tiger, Pinal County Uranium and Vanadium Deposits 80 Monument Valley 81 63 78 il S: The Cameron...Apache County — 435 Cochise County 436 Coconino County 437, 438 Gila County 439 Graham County Greenlee...Greenlee County 440 441 LaPaz County 442 Maricopa County 443 Mohave County 444 Navajo County 445 Pima County |  | | Book | | locall - rs where amomeor prospectors m a y still prospect f o r gems mai t e a l s a n d a l s o fossils...mountains. W h i l e t h e g r e a t peaks a t Colorado, f o r example, r i s e f r o m a plateau 5,000...dollars at the noted locality of Cowee Valley, Macon County, North Carolina. An enthusiastic family found and...visited the well known old Rutherford mine in Amelia County, Virginia, and found bright spessartine garnets...green gem spodumene, was discovered in Alexander County, North Carolina, in 1880 and named for one of its |  | | Report (issue) | | pegmatite in granite, Short Tom Smith mine, Rockingham County, N. C______ ____ ____________________ _______________________...pegmatite and granite, E. R. Self mine, Gaston County, N. C____________________ 6. Sinuous discordant...bulge in the hanging wall, Knight mine, Rockingham County, N. C- ~ -7. Sharp hanging-wall contact, Knight...granite underlain by schist, Hawkins mine, Stokes County, N. C _ _ _ _ _ _ __ _ _ __ _ _ _ _ _ 9. Same granite...and other units in the Big Bess pegmatite, Gaston County, N. C _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __ |
|
