 | | Journal (article/letter/editorial) | | Economic Geology, v. 107, pp. 1207ā1221 Sulfur, Carbon, Hydrogen, and Oxygen Isotope Geochemistry of the...deposits of the Blackbird district, have been analyzed for their sulfur, carbon, hydrogen, and oxygen isotope...values are nearly uniform throughout the Blackbird district, with a mean value for cobaltite (CoAsS, the main...form volcanogenic massive sulfide (VMS) deposits. Carbon and oxygen isotope compositions of siderite, a...mixtures of sedimentary organic carbon and magmatic-metamorphic carbon. The isotopic compositions of calcite |  | | Report (issue) | | COBALT-COPPER DEPOSITS OF ~ BLACKBIRD DISTRICT lEMHI COUNTY, IDAHO by :r. 5. Vhay Geological Survey...cobalt-copper deposits of the Blackbird district, Lemhi COunty, Idaho, has been re"leased for limited...194.3. The cobalt denosi ts .of the :Blackbird district now appear to be among the more important of the... deposit~ of the Blackbir~ ,I.st :n.ct~ ~emh1. County, Idano"p from the D1rector, U. So Geolog1cal Survey~...batholith cuts across the northern part of the district, and" ā¢ ā¢ ā¢ Page 2, J:8ragraph 1 under geology |  | McLelland, James, Hamilton, Michael, Selleck, Bruce, McLelland, Jonathan, Walker, Douglas, Orrell, Suzanne (2001) Zircon U-Pb geochronology of the Ottawan Orogeny, Adirondack Highlands, New York: regional and tectonic implications. Precambrian Research, 109 (1) 39-72 doi:10.1016/s0301-9268(01)00141-3 | Journal (article/letter/editorial) | | Geology, Colgate Uni6ersity, Hamilton, NY 13346, USA Geological Sur6ey Canada, 601 Booth St., Room 689...Uni6ersity, Hamilton, NY 13346, USA d 124 Valley Road, Montclair, NJ 07042, USA e Department of Geology, Uni6ersity...66045, USA f Department of Geosciences, Hobart and William Smith Colleges, Gene6a, NY 14456, USA b Received...of mildly A-type hornblende granites of the Hawkeye granite suite, multigrain samples of which define a...critical are two samples of ca 1047 Ma fayalite granite that are essentially undeformed and must post-date |  | | Journal (article/letter/editorial) | | NOVEMBER, IRON ORES NEW 1919 OF CLINTON No. 7 COUNTY, YORK2 WILLIAM J. MILLER. INTRODUCTION. Themagnetic... of the countyare not c}iscussed.At presentthe mining opera-tions are confinedto the so-called"main workings"...pp. 23-36 and MAGNETIC IRON ORES OF CLINTON COUNTY, N. Y. 511 in general,be youngerthan the syenite-graniteseries...all the hornblendegneissand amphiboliteof the district are faciesof the old ga.bbro.Somemay.beyounger...constitutethe main .bulkof the rocksof the Lyon Mountain district. Among thesethe variety of chief interestin this |  | | Report (volume) | | _________________________________________ North Fork-Shoup district, Idaho___-__. ___________ Garm- Lamoreaux mine______...claim_________________________________________ Blackbird district, Idaho_._______________________________ Calera...prospect______________________________________ Hawkeye prospect____________________.__________________...mine__._____________-____-___--________-_ Forney district, Idaho________________________________________..._______________________________________ Birch Creek district, Idaho__-_______._______________________-__ Scott |  | | Report (issue) | | ................................. 3 Rocky Bar Districtā43 .................................................................................. 8 Hecla Districtā41 ........................................................................................ 9 Granite Peakā21 .................................................................... 10 iii Gold Bug-Hawkeyeā22 ..............................................production is the Thompson Creek deposit in Custer County, Idaho. Though molybdenite does occur in some veins |  | | Report (issue) | | Mineral Reports for Colorado, South Dakota, and Wyoming provided to the U.S. Forest Service in Fiscal Year........ . . ............ 10 Pike National Forest County of El Paso (Black Forest) Land Exchange Offer ......................... 170 171 181 208 214 WYOMING .................................................................... 48 Fig. 14. Map 12-Offered mining claims-Quartz Creek & Cumberland Pass areas (provided...................... 49 Fig. 15. Map 13-Offered mining claims-Taylor Pass area (provided by USFS) ... |  | | Journal (article/letter/editorial) | | SETTING OF THE GRANITIC PEGMATITES OF NEW YORK STATE, USA Marian V. LUPULESCUĀ§ Research and Collections, New...New York State Museum, Albany, New York 12230, USA Jeffrey R. CHIARENZELLI Department of Geology, St...13617, USA David G. BAILEY Geosciences Department, Hamilton College, Clinton, New York 13323, USA Abstract...calc-alkaline arc magmatism of the AntwerpāRossie granite suite and yield UāPb zircon crystallization ages...extensional A-type granites such as the Hawkeye and Lyon Mountain Granite suites. These rocks were emplaced |  | | Report (issue) | | New York, NY: Society of Mining Engineers of American Institute of Mining, Metallurgical and Petroleum...Contributions to Geology. Laramie, WY: Un1versity of Wyoming, 1962-. Contributions to Mineralogy and Petrology...Program and Abstracts. E & MJ, Engineering and Mining Journal. New York, NY: McGraw-Hill. Geology (Boulder)...Proceedings. International Journal of Rock Mechanics and Mining Sciences. Oxford-New York: Pergamon Press, 1964-1973...Petroleum Technology. Dallas, TX: American Institute of Mining, Metallurgical and Petroleum Engineers. LA - Los | | | Report (issue) | | Block diagram showing structures of Blackbird district.................................................Butte mining districts.............. 41 6. Summary of isotopic data for Boulder and Butte mining districts...of the structural setting of the Blackbird mining district and identification of sedimentary successions...11 5 34 39 31 42 3 32 16 2 33 38 41 WYOMING 6 44Ā° 17 28 44 45 IDAHO Figure 1. Sources...Madison and Gallatin Counties, Montana, and Park County, Wyoming: U.S. Geological Survey Geologic Investigations |  | | Report (issue) | | Geology and Ore Deposits of the Bagdad Area Yavapai County Arizona GEOLOGICAL SURVEY PROFESSIONAL PAPER 278... Geology and Ore Deposits of the Bagdad Area Yavapai County Arizona By C. A. ANDERSON, E. A. SCHOLZ, and J..._____________________ Lawler Peak granite ___________________ Cheney Gulch granite ___________________ Aplite-pegmatite_...pre-Cambrian rocks. Faults younger than the Lawler Peak granite _ _ White Spring fault______________________ Mountain...__________________ Hillside fault___________________________ Hawkeye fault_________________________ Bozarth fault._ |  | McLelland, James, Hamilton, Michael, Selleck, Bruce, McLelland, Jonathan, Walker, Douglas, Orrell, Suzanne (2002) Erratum to āZircon U-Pb geochronology of the Ottawan Orogeny, Adirondack Highlands, New York: regional and tectonic implicationsā. Precambrian Research, 116 (1) 157-163 doi:10.1016/s0301-9268(02)00022-0 | Journal (article/letter/editorial) | | Geology, Colgate Uni6ersity, Hamilton, NY 13346, USA Geological Sur6ey Canada, 601 Booth St., Room 689...Uni6ersity, Hamilton, NY 13346, USA d 124 Valley Road, Montclair, NJ 07042, USA e Department of Geology, Uni6ersity...66045, USA f Department of Geosciences, Hobart and William Smith Colleges, Gene6a, NY 14456, USA b The...of polished slabs showing typical textures of Hawkeye and Lyon Mt. granitic rocks. In each of these perthite...is gray, and mafic minerals are black. (A) Hawkeye granite (charnockite) at Moon Mt. exhibiting strong |  | | Journal (article/letter/editorial) | | varieties of granite and granitic syenite constitute the main bulk of the rocks of this district. Among these...medium-grained, usually pink rock varying from a true granite through granitic syenite to quartz syenite or even...quartz diorite. In the more typical specimens of granite dark minerals, ' Published by permission of the...is generally more or less well developed in the granite, but some portions of the rock which are almost...call the rock just described the "Lyon Mountain granite" because of the excellent exposures in and near |  | | Report (issue) | | 88-91. 1. Zinc ores-Colorado. 2. Zinc mines and mining-Colorado. I. Title. (Series) For sale by the Superintendent...__ ___ __ __ __ __ __ _____ Kokomo (Ten ~ile) district _______ ._________________________ Breckenridge...district_______________________________ ~osquito Range district, including some outlying parts of the Leadville..._______________ _____ __ __ ____ ____ __ __ _ 87 Spar district _________________________._ __ ____ __ __ ____...known oxidized zinc deposits in Leadville mining district, Colorado. 3. Oxidized zinc deposits of the |  | | Report (issue) | | showing bedrock geology and percentage of clasts of granite gneiss and of anorthosite in till. 3. Map showing...---------2. Map showing percentage of clasts of Hawkeye Granite Gneiss in till in the Ellenburg-Lyon Mountain...recessional moraine in Salmon River valley (Clinton County) --------------------14. Map showing moraines and...The northeast Adirondack region includes Clinton County and parts of Franklin and Essex Counties in the...the edge of the St. Lawrence Lowlands in Franklin County and the Great Chazy, Saranac, and Ausable Rivers | | | Report (issue) | | 1.--Map showing location of 339 exploration or mining sites in Washington. ............................of 339 sites representing mineral activities for mining and mineral exploration in the State of Washington...of Geology and Earth Resources, annually reports mining, development, and mineral exploration activities...obtained from a voluntary questionnaire survey of mining companies and individuals, published information...were an incomplete measure of Washington state mining activities. These results were published annually | | | Report (issue) | | 1.--Map showing location of 339 exploration or mining sites in Washington. ............................of 339 sites representing mineral activities for mining and mineral exploration in the State of Washington...of Geology and Earth Resources, annually reports mining, development, and mineral exploration activities...obtained from a voluntary questionnaire survey of mining companies and individuals, published information...were an incomplete measure of Washington state mining activities. These results were published annually |  | Valley, Peter M., Fisher, Christopher M., Hanchar, John M., Lam, Rebecca, Tubrett, Michael (2010) Hafnium isotopes in zircon: A tracer of fluid-rock interaction during magnetiteāapatite (āKiruna-typeā) mineralization. Chemical Geology, 275 (3) 208-220 doi:10.1016/j.chemgeo.2010.05.011 | Journal (article/letter/editorial) | | alteration Fluorine Adirondack Mountains Lyon Mountain granite Accessory minerals LA-MC-ICPMS LA-ICPMS Apatite...environments in which they occur. The Lyon Mountain granite in the Adirondack Mountains of New York is the...that is 20 to 60 m.y. younger than the age of granite emplacement. This age discrepancy, plus the highly...younger event could not have been derived from the granite hosts. These data argue that magnetiteāapatite...Typical crustal rocks have 176 Lu/177Hf of ā¼ 0.01 (granite) to ā¼ 0.03 (basalt); however these averages represent |  | | Journal (article/letter/editorial) | | in Cretaceous silver veins of the Coeur dāAlene district in the Belt Basin. The results show that in some...sedimentary, volcanic, and intrusive rocks Megacrystic granite (1377 Ā± 4 Ma) Clastic metasedimentary (Lemhi Group)...and the megacrystic granite are from Aleinikoff et al. (2012). The megacrystic granite and mafic dikes (not...Lewis et al., 1996) consisting of megacrystic granite porphyry and mafic dikes that extend into the Idaho...tourmaline Ore chalcocite Merle zone Merle zone Hawkeye zone Ram zone CoNiCu mine dump Gangue mosaic quartz |  | | Report (issue) | | Replacement Deposits Part I Bald Mountain Gold Mining Region, Northern Black Hills, South Dakota By JAMES...Park City Mining District, Utah By CALVIN S. B ROM FIELD Gold in the Eureka Mining District, Nevada By...and THOMAS B. NOLAN Gold in the Central City Mining District, Colorado By ALAN R. WALLACE U.S. GEOLOGICAL...bibliographies. Contents: pt. 1. Bald Mountain gold mining region, northern Black Hills, South Dakota / by...Park City mining district, Utah / by Calvin S. Bromfield. Gold in the Eureka mining district, Nevada / |  | | Book | | Chapter 3 Silver Mining at Red Mountain ................. 19 Chapter 4 Tungsten Mining in the Atolia "Spud...Patch" ....... 23 Chapter 5 Modem Gold Mining in the Rand District ......... 29 References ..............(,\_L/,- an Early Sketch Map of THE RAND MINING DISTRICT by McPnrrson aboļæ½t 189' Fro"1 G..,. 'vi ...Bonanza: The Story of Early Randsburg, Mojave Desert Mining Camp. (Courtesy ofArthur H. Clark Company.) ;... Preface and Acknowledgments In the history of the mining camps of the Old West, the names of Cripple Creek |  | Taylor, Ryan D., Shah, Anjana K., Walsh, Gregory J., Taylor, Cliff D. (2019) Geochemistry and Geophysics of Iron Oxide-Apatite Deposits and Associated Waste Piles with Implications for Potential Rare Earth Element Resources from Ore and Historical Mine Waste in the Eastern Adirondack Highlands, New York, USA. Economic Geology, 114 (8) 1569-1598 doi:10.5382/econgeo.4689 | Journal (article/letter/editorial) | | Waste in the Eastern Adirondack Highlands, New York, USA Ryan D. Taylor,1,ā Anjana K. Shah,1 Gregory J. Walsh...hosted within sodically altered Lyon Mountain granite gneiss, although some deposits occur within paragneiss...anorthosite, or potassically altered Lyon Mountain granite gneiss. The IOA deposits and the waste and/or tailings...published data. The ferroan ore-hosting Lyon Mountain granite gneiss underwent localized potassic alteration...previously potassically altered Lyon Mountain granite gneiss, which increased rock porosity and remobilized |  | | Report (issue) | | Geological Survey Board and the Colorado Metal Mining Fund PAPER 289 Geology and Ore Deposits of...Quartz-hornblende gneiss _______ _ Granite gneiss _________________ _ Gneissic granite ____________________ -1 ______...______ _ Pikes Peak granite __________________ ~ ______ _ Hornblende diorite __________________ Silver...Silver Plume(?) granite ______________ ______ _ 1 ____ _ Paleozoic-sedimentary rocks _____________ --j-Sawatch...Kersantite dikes _____________________ Mount Antero granite _____________________ _ Quartz latite porphyry |  | | Report (issue) | | 77 GEOLOGY AND ORE DEPOSITS OF THE PARK CITY DISTRICT, UTAH BY JOHN J\IIASON BOUTWELL WITH CO)l"TRIB"CTIO)JS..._____________ ___ _ History and development of the mining industry ....................... . ...... Ā·............................ . History of Park City district ................. , .................................. . Descriptive geology of the Park City district ................................................ CONTENTS. Descriptive geology of the Park City district-Continued. Page. Sedimentary rocks-Continued. |  | | Report (issue) | | of the northern Black Hills, South Dakota and Wyoming By Anna Burack Wilson1 and Ed DeWitt1 Open-File...of the northern Black Hills, South Dakota and Wyoming By Anna B. Wilson and Ed DeWitt Three hundred and...in the northern Black Hills of South Dakota and Wyoming. This data base contains mine information used...DeWitt and Wilson (in press). .Field No. Type Name District Quadrangle Sec Twp Rng Synonyms Company The fields...number type of deposit mine name metallic mineral district 7-1/2 minute quadrangle section township range |
|
