 | | 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) | | METAMORPHOSED PROTEROZOIC BASE-METAL SULFIDE OCCURRENCES, COLORADO: A RE-EVALUATION OF GAHNITE COMPOSITION AS A GUIDE...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...guide, massive sulfides, magnesium enrichment, Colorado. SOMMAIRE Le spinelle zincifère [(Zn,Fe,Mg)Al2O4] |  | | Journal (article/letter/editorial) | | mineralogy and mineral collecting, certainly have seen pyrrhotite. Geologists know it as a silvery-yellow to bronze-yellow... Many conclude that because pyrite is cubic, pyrrhotite must be hexagonal, as it often appears. That...could lead to a very interesting discussion. Most pyrrhotite is actually monoclinic, with at least seven polymorphs...literature. So, although we may all wish for pyrrhotite to be a simple sulfide, in fact, it’s extremely...both a crystallographic and chemical standpoint. Pyrrhotite is metallic and opaque, varying in color from |  | | Journal (article/letter/editorial) | | Occurrence in Carroll County, Georgia" (November/December 1988). Banks County 184 ROCKS & MINERALS...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) | | Flagstaff, Arizona o JU.S. Geological Survey Denver, Colorado CONTENTS Page Introduction........................................................ Rudkins prospect - 00006............................................................................. Pinafore prospect - 00008............................................ Pentland prospect - 00021.......................................... Upshot prospect - 00022............................................. Carbine prospect - 00023...................................... |  | | Report (issue) | | Survey, Retired, 8920 West 2nd Ave., Lakewood, Colorado 80226 CONTENTS ABSTRACT ......................of mine and prospect data. Msny existing records were updated and new mine and prospect records were...generated. Furthermore, a data base of mine and prospect rock geochemistry (Quade and others, 1990b) was...Bureau of Mines and Geology (NBMG) have conducted county mineral surveys (Sampson and Tucker, 1940; Ross...samples was provided by USGS personnel in Denver, Colorado. Analysts were J. Bullock, J.M. Motooka, B.H. |  | | Report (issue) | | Prospective ore said to be rich, but in small bodies. Prospect located in 1905, but has been inactive for many...magnetite occurrence has been staked as an iron prospect; probably similar to that at Chenik Mtn. Duryea... A7 Symbol for locality 15, MF-364 is Unnamed prospect Iron Redoubt district MF-364, loc. 21 Iliamna...segregations in Jurassic mafic intrusive rocks. Unnamed prospect Iron Redoubt district MF-364, loc. 23 Iliamna...Magnetite-bearing zones in Jurassic mafic plutonic rocks. Unnamed prospect Iron Bristol Bay region MF-364, loc. 24 |  | | Report (issue) | | has been production (a "mine"), prospecting (a "prospect"), or reported mineralization (the traditional...northeast. If more than one reference discusses a prospect, only one ID number is used. Occurrences with...NS1 to NS113. Mine, Prospect or Occurrence lists the name of the mine, prospect or occurrence. If more...for the USGS 1:250,000 quadrangle that the mine prospect or occurrence lies within. The abbreviations are:...As Reported lists the elevation of occurrence, prospect or mine as reported by the source. If no elevation |  | | Report (issue) | | geographic coordinates and, where applicable, by county and section, township, and range. Both published...contain deposits of pentlandite, chalcopyrite, and pyrrhotite. These deposits are often important sources...Appalachians, are valuable mainly for the pyrite or pyrrhotite they contain,as they are mined primarily for...Geology and ore deposits of the Bagdad area, Yavapai County, Arizona: U.S. Geol. Survey Prof. Paper 278,...Gibellini manganese-zinc-nickel deposits, Eureka County, Nevada: U.S. Bur. Mines Kept. Inv. 4162, 9 p |  | | Report (volume) | | Rosa Mountains Wilderness Study Area, Riverside County, California U.S. GEOLOGICAL SURVEY BULLETIN 17...Bldg., 2600 corridor, 18th and CSts..NW. DENVER, Colorado-Federal Bldg., Rm. 169. 1961 Stout St. LOS ANGELES...ROLLA, Missouri-1400 Independence Rd. DENVER, Colorado-Map Distribution, Bldg. 810, Federal Center FAIRBANKS...Rosa Mountains Wilderness Study Area, Riverside County, California By J.P. CALZIA, D.J. MADDEN-McGUIRE...Rosa Mountains Wilderness Study Area, Riverside County, California. (U.S. Geological Survey Bulletin ; |  | | Report (issue) | | OF THE CONDREY MOUNTAIN ROADLESS AREA SISKIYOU COUNTY, CALIFORNIA by R. G. Coleman, R. C. Jachens,...Klamath and Rogue River National Forests, Siskiyou County, California. The Condrey Mountain Roadless Area...of the Condrey Mountain Roadless Area, Siskiyou County, California. Geologic mapping, geophysical surveys...Upper Applegate mining district of southern Jackson County, Oregon. Averill (1935) reported that the first...mine (Peterson and Ramp, 1978, p. 150). A mercury prospect (fig. 3, No. 17) is northeast of the study area |  | | Report (issue) | | Volume II: Flint Creek-South Mountain Area, Owyhee County, Idaho Earl H. Bennett, John Kauffman, and Victoria...Volume II: Flint Creek-South Mountain Area, Owyhee County, Idaho Earl H. Bennett, John Kauffman, and Victoria... . . . . . . . . . . . . . . . 38 3.47 MARTIN PROSPECT (Site No. JV-21). . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . 42 3.48 UNNAMED PROSPECT (Site No. JV-16).. . . . . . . . . . . . ... . . . . . . . . . . . . . . . . 108 3.60 UNNAMED PROSPECT (Site No. B7229901). . . . . . . . . . . |  | | 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 |  | | 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 |  | | Report (volume) | | Related to Volcanic Subsidence in the Custer Graben, Custer County, Idaho, by D. H. Mclntyre and K. M....development of Van Horn Peak cauldron complex, Custer graben, and early stages of Thunder Mountain cauldron...GRABEN . THRUST FAULT Sawteeth on upper plate CUSTER GRABEN , CALDERA BOUNDARY Dashed where inferred:...Sawteeth on upper plate CALDERA BOUNDARY MINE OR PROSPECT AREA CONTAINING ABUNDANT MINES AND PROSPECTS APPROXIMATE...SB, Sunbeam mine GC, General Custer vein STOCK RM, Red Mountain prospect LF, Little Falls molybdenum |  | | Journal (article/letter/editorial) | | Geological Survey, P.O. Box 25046, MS 963, Denver, Colorado 80225 Geological Survey, 904 West Riverside Avenue...Megacrystic granite sample 01KL059 Sweet Repose prospect Deep Creek biotitite locality Salmon Canyon mine...Black Pine prospect IDAHO 0 5 0 5 Alkalic dike sample 10KL012 45°00’ Iron Creek prospect 10 MILES...Apple Creek Formation Mining district, mine, or prospect FIG 1. Map showing the geology of the Idaho cobalt...conformably overlying Hoodoo Quartzite (1 km) and an unnamed argillaceous quartzite unit (500 m). These units |  | | Report (issue) | | Idaho: Volume III: Miscellaneous Properties, Owyhee County, Idaho Earl H. Bennett, John Kauffman, and Victoria...Idaho: Volume III: Miscellaneous Properties, Owyhee County, Idaho Earl H. Bennett, John Kauffman, and Victoria... . . . 11 2.0 MISCELLANEOUS PROPERTIES, OWYHEE COUNTY, IDAHO . . . . . . . . . . . . . . . . . 12 2.1.... . . . . . . . 12 2.1.1 Summary of the Owyhee County Study Area . . . . . . . . . . . . . . . . . ..... . . . . . . . . 21 2.5 SUMMARY OF THE OWYHEE COUNTY STUDY AREA . . . . . . . . . . . . . . . . . 24 |  | | Report (issue) | | National Forest: Volume I: Atlanta Area, Elmore County, Idaho John Kauffman Ted Erdman Earl H. Bennett...National Forest: Volume I: Atlanta Area, Elmore County, Idaho John Kauffman Ted Erdman Earl H. Bennett... .... . .. . ... . 11 2.0 ATLANTA AREA, ELMORE COUNTY, IDAHO ............ .................. 13 2.1 INTRODUCTION....... .... .. 27 3.0 ATLANTAMINING AREA, ELMORE COUNTY, IDAHO-MINE DESCRIPTIONS ........................ . . . .. ....... . . .. 65 3.5 CHRISOLITE(?) PROSPECT (Site No. HA-1267 [Field Site No. E7260106]) |  | | 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 |  | | Report (issue) | | sulfides are accompanied by small amounts of pyrrhotite, chalcocite, bornite, and galena, and traces...much as 20 ft thick,^contain flour gold. small prospect pits yielded 0.075 and 0.045 oz/yd Au. (Bismark...loc. 31 67°00'N, 156°38 f W Fine gold found in prospect shaft sunk 40 ft in unfrozen ground without reaching...gold throughout 40 ft of gravel penetrated by prospect shafts; no minable concentrations found. Nephrite...Disseminated chalcopyrite, bornite, sphalerite, and pyrrhotite in calcareous schist and calc-silicate rocks; |  | | Report (issue) | | named geographic feature, it is titled "Unnamed prospect" or "Unnamed occurrence" and appears ac the end of...Co. [Miller, 1946 (B 947-F)] No ocher data on prospect. References Miller, 1946 (B 947-F), p. 120 Berg...to Jurassic granodiorite; contains magnetite, pyrrhotite, pyrite, and minor chalcopyrite. Explored by...McCarthy (0.45, 13.5) 61°46'N, 143°57'W Summary: Prospect explored by 2 adics in Triassic Nikolai Greenstone...McCarthy (5.1, 9.8) 61°33'N, 143°24'W Summary: Main prospect explored by adic on 2 shear zones, each less than |  | | Report (volume) | | 1984) . The Southern Nantahala Roadless Area, Rabun County, Ga., and Buzzard Knob Roadless Area, Rabun and...acres of the Chattahoochee National Forest in Rabun County, Ga., and Buzzard Knob covers about 6,440 acres...acres of Chattahoochee National Forest in Rabun County 2 mi southwest of Dillard and 5 mi northwest of...lines and is paralleled along the south and east by county road 5879, which intersects U.S . Highway 23/441...described the geology and mineral resources of Rabun County, Ga . Crickrnay (1952) and Hurst (1973) included |  | Peck, W. H., Volkert, R. A., Mansur, A. T., Doverspike, B. A. (2009) Stable Isotope and Petrologic Evidence for the Origin of Regional Marble-Hosted Magnetite Deposits and the Zinc Deposits at Franklin and Sterling Hill, New Jersey Highlands, United States. Economic Geology, 104 (7) 1037-1054 doi:10.2113/econgeo.104.7.1037 | Journal (article/letter/editorial) | | FRANKLIN AND STERLING HILL, NEW JERSEY HIGHLANDS, USA Highlands where it is divided into the stratigraphically...= Splitrock mine; 10 = Kanouse mine; 11 = Unnamed prospect; 12 = Bradley mine; 13 = Twin Lakes calcic...linear trend that includes the Kanouse mine, an unnamed prospect, and Splitrock mine in the New Jersey Highlands...FRANKLIN AND STERLING HILL, NEW JERSEY HIGHLANDS, USA 30 Arc-related metarhyolite Back-arc rhyolitic gneiss...oxide in samples from the Howell Farm mine and an unnamed mine dump between the Howell Farm and Shaw mines | | | 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 |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...localities: The Bishop copper prospect near Lynch Station, Campbell County, Virginia . . . . . . . . ....phosphate mineral from the Gold Quarry mine, Eureka County, Nevada . . . . . . . . . . . . . . . . . . . 237...com Colorado Chapter Order now!! Minerals of Colorado Order from: Friends of Mineralogy—Colorado Chapter...localities: THE BISHOP COPPER PROSPECT near Lynch Station, Campbell County, Virginia Henry Barwood Route |
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