 | | 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] |  | | Report (issue) | | --8. Cross sections of roll ore bodies of the Colorado Plateau region_________________________________________...size in sandstone beds of Triassic age in the Colorado Plateau region__ 10. Histogram showing the percentage...deposits in sandstone beds of Triassic age in the Colorado Plateau region_______________________________...elements in sandstone and in uranium ore in the Colorado Plateau region_____________ 5. Geometric mean...from parts of the Chinle and Morrison Formations, Colorado Plateau region, and their enrichment factors_____________ |  | Kelson, C. R., Crowe, D. E., Stein, H. J. (2008) Geochemical and Geochronological Constraints on Mineralization within the Hilltop, Lewis, and Bullion Mining Districts, Battle Mountain-Eureka Trend, Nevada. Economic Geology, 103 (7) 1483-1506 doi:10.2113/gsecongeo.103.7.1483 | Journal (article/letter/editorial) | | Department of Geosciences, Colorado State University, Ft. Collins, Colorado 80523 Abstract The Hilltop...located within the northern Shoshone Range, Lander County, Nevada, are part of the greater Battle Mountain-Eureka...located in the northern Shoshone Range in Lander County (Hilltop, Lewis, and Bullion; Figs. 1, 2). These...production from all 15 mining districts within Lander County during that time (Vanderburg, 1939). Other commodities...mining districts, northern Shoshone Range, Lander County, Nevada. Mineralized areas (mines, deposits, prospects) |  | | 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) | | Canyon Instant Study Area, Coconino County, Arizona, and Kane County, Utah By Alfred L. Bush, U.S. Geological...Canyon Instant Study Area, Coconino County, Arizona, and Kane County, Utah. Contents Page INTRODUCTION....................................... 16 Sam prospect.................................................18 Red Wing prospect............................................. 19 Unnamed prospect................Area lies mostly in Coconino County, Arizona, but extends into Kane County, Utah. The area studied in |  | Theodore, Ted G., Blair, Will N., Nash, J. Thomas, McKee, E.H., Antweiler, J.C., Campbell, W.L. (1987) Geology and gold mineralization of the Gold Basin-Lost Basin mining districts, Mohave County, Arizona, with a section on K-Ar chronology of mineralization and igneous activity, and a section on implications of the compositions of lode and placer gold. Professional Paper 1361. US Geological Survey doi:10.3133/pp1361 | Report (issue) | | Gold Basin-Lost Basin Mining Districts, Mohave County, Arizona U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER...GOLD BASIN-LOST BASIN MINING DISTRICTS, MOHAVE COUNTY, ARIZONA Placer gold nugget about 1 cm wide showing...Gold Basin-Lost Basin Mining Districts, Mohave County, Arizona By TED G. THEODORE, WILL N. BLAIR, and...Gold Basin-Lost Basin mining districts, Mohave County, Arizona. (U.S. Geological Survey Professional...16:1361 1. Geology Arizona Mohave County. 2. Gold ores Arizona Mohave County. I. Blair, Will N. II. Nash, |  | | 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 |  | | Journal (article/letter/editorial) | | left). Calcite, 5.5 cm high, Elmwood mine, Smith County. Terry Huizing specimen, Jeff Scovil photo. Figure...(above). Fluorite, 13.1 cm wide, Elmwood mine, Smith County. Francis Benjamin specimen, Jeff Scovil photo....Smith County. Terry Huizing specimen and photo. Figure 4 (right). Cumberland mine, Smith County. Travis...earths to make saltpeter, at Nicojack Cave in Marion County, then nitromagnesite at the same location (Shepard...Sevier County (Coskren and Lauf 2000). The following index is arranged alphabetically by county. It is |  | | Report (issue) | | argillaceous chert. Sample contained a trace of Pb. Unnamed occurrence Copper Chandalar district Arctic...malachite in fine- to medium-grained andesitic tuff. Unnamed occurrence Copper Chandalar district Arctic...Sample of green shale contained 4,200 ppm Cu. A4 Unnamed occurrence Copper Canning district Arctic (5...channel. Concentrates contained much magnetite, some ilmenite, pyrite, and limonite, and very little garnet...contains chalcopyrite. A8 Source at or near Hub prospect. (Temby) Copper Kiana district MF-386, loc |  | | 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 |  | | Journal (issue) | | Foord Fluorite from the Pine Canyon deposit, Grant County, New Mexico ............................................ 51 by T. Hanson Ilmenite expitaxial on bixbyite from Sierra County, New Mexico ...............COVER: FLUORITE from the Pine Canyon deposit, Grant County, New Mexico. (See the article on page 47.) The...UoKM v.8/#6 California Issue Benitoite, Gold, L.A. County Museum, Himalaya mine $7 v.9/#3 Kalahari rhodochrosite...(famous for Topaz, Red Beryl, etc.) $7 v,10/#6 Colorado-II Issue Locality Index, Amazonite, Mt. Antero |  | | Report (issue) | | ................................. 153 4.1 Unnamed Prospect ( Aldape Summit) ....................................................... 177 5.3 Specimen Prospect ................................................Figure 6.2-5. Figure 6.2-6. Figure 6.2-7. Unnamed Prospect (Aldape Summit) Map ........................P8230042) .............................. 176 Specimen Prospect Map ............................................Adjacent to Cloverleaf Shaw Mountain District Unnamed (Aldape Low No T Small tailings pile with sulfurous |  | | 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 |  | 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...titaniferous magnetite and ilmenite, whereas the Snow Creek lacks magnetite but has ilmenite, typically with inclusions...Goat Mountain prospect, the Shanton deposit (Hild 1953, Frey 1946b), and an unnamed prospect in section |  | | Report (issue) | | collected in 1917 contained magnetite, hematite, ilmenite, limonite, zircon, garnet, sphene, rutile, pyrite...and schist, which can be traced to Hannum lead prospect. (Dahl Cr.) Gold Kougarok district MF-417, loc...radioactive heavymineral concentrate contained ilmenite, magnetite, garnet, and sphene. Includes reference...schist. not reach bedrock. Colors of gold found in prospect pit that did Independence Gold, Lead, Silver...Small-scale mining reported in 1918, 1931, 1932. A20 Unnamed occurrence Copper Fairhaven district Bendeleben |  | | 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 |  | | 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...Z I E Alamance County Pyrophyllite, cacoxenite, diaspore, sericite, pyrite, ilmenite, topaz, and chert...hill, 0.2 mile from the road. Alexander County Alexander County is a renowned mineral collecting area in...following are mineral collecting sites in Alexander County: 1) Emerald, rutilated quartz, smoky quartz, and |  | | Report (issue) | | 1972, Geology and mineral deposits of Esmeralda County, Nevada: Nevada Bureau of Mines and Geology Bulletin...in the Battle Mountain mining district, Lender County, Nevada, ^n_ Ridge, J.D., ed., papers on mineral...Morey and Fandango Wilderness Study Areas, Nye County, Nevada: U.S. Geological Survey Bulletin, [in press]...resources of the Antelope Wilderness stu-., area, Nye County, Nevada: U.S. Bureau of Mines Open File Report...resources of the Park Range Wilderness study area, Nye County, Nevada: U.S. Bureau of Mines Open File Report | | | 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 |  | | Report (issue) | | Deposits of the Mountain Pass District San Bernardino County California GEOLOGICAL SURVEY PROFESSIONAL PAPER...Deposits of the Mountain Pass District San Bernardino County California By J. C. OLSON, D. R. SHAWE, L. C. PRAY...HEWETT The region near Mountain Pass, San Bernardino County, Calif., has been the scene of at least three cycles...group of prospects ___________ Goulder Goulch prospect-__---------_---__-----Reynolds Robbins prospects_________-__-__...prospects_________-__-__.__--_ Unnamed prospect No. 3_______-__--_--__----__Unnamed prospect No. 4________________________ |  | | Report (issue) | | prospects 2. Salmon Ranger District mines and prospect 3. Cobalt Ranger District mines and prospects...east-central Idaho. Most of the Forest is in Lemhi County; only a small portion falls within Idaho and Valley...National Forest. Most of the Salmon Forest is in Lemhi County; only a small portion falls within Idaho and Valley...reported on the geology and ore deposits in Lemhi County and his work is an excellent source for mining...Reconnaissance of placer mining districts in Lemhi County; Pattee and others (1968) -- Beryllium Resources |  | | 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 (issue) | | on Amazonite 7.5 cm, from the Smoky Hawk claim, Colorado. Collected by the Dorris family; Tom Spann photo...finest aquamarine and phenakite from Mt. Antero, Colorado, and their most publicized effort, the mining...museum quality.” (Szenics, 1967) Spruce Peak, King County, Washington, 1977 Beautiful pyrite and quartz specimens...and FLECK, G. (1980) The Grey Horse mine, Pinal County, Arizona. Mineralogical Record, 11 (4), 231–232...and HAWES, W. (1978) Quartz and pyrite from King County, Washington. Mineralogical Record, 9 (6), 352–353 |
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