 | | Report (issue) | | MOUNTAIN DISTRICT Washington County, Idaho and IRON ORE DEPOSITS IN THE CLEARWATER DISTRICT Idaho County... IRON ORE DEPOSITS OF THE IRON MOUNTAIN DISTRICT, Washington County, IDAHO CONTENTS Page Summary « * . <...General Map* 4 The metamorphic group « » 4 Quartz diorite and associated rocks » 5 Andesite porphyry « 5..... 5 General statement .....«..«.......*.. 5 Magnetite and specular hematite ores* ......« 6 Red hematite*...Sulphide deposits «..............* « 7 The Campbell Magnetite Deposit* ». « ^ » > 7 Geology ............... |  | | Report (volume) | | examination of mineralized rocks, prospects, and mining claims by the U.S. Bureau of Mines. The results...figures are incomplete, but mines in the Mammoth mining district (fig. 1) may have produced as much as $1 million...adjacent to the old Mammoth Mine in the Mammoth district was in production during 1978. 1 2 MINARETS...production from the Strawberry mine. Approximately 1,200 mining claims have been located in the Minarets study...Bliss prospect Crown Point-Nidever prospect Red Top Mountain prospects Minarets magnetite prospect Mark |  | | Journal (article/letter/editorial) | | Copyright © 2000 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/00 $20.00 ⫹ .00 Pergamon...Department of Geosciences, Tucson, Arizona 85721, USA (Received November 26, 1997; accepted in revised...Nd (⫺1.7 to ⫺2.4). At Cerro de Mercado, Durango, Mexico, all assemblages analyzed in this Tertiary rhyolite-hosted...four at about 30 Ma is Cerro de Mercado, Durango, Mexico, where Fe oxide mineralization is associated with...at Olympic Dam, Australia, and the Kiruna Iron District in northern Sweden (e.g., Oreskes and Einaudi |  | | Thesis/Dissertation | | . . . . . . . . . . . . . . . . . . . . . . . Mining History . .......................................mineralogy................ 44 vii f. ABSTRACT A new technique is introduced to produce mineralogic maps...vegetation adapted to living in a cold arid climate. Mining History The Italian Mountain area was the scene...for facetgrade grossular garnet. His grossular prospect was. a failure but he did succeed in discovering...at the area in 1972, and I staked several lode mining claims on the source of the best specimen quality |  | | Report (issue) | | 1921 and 1922 was devoted chiefly to the Wrangell district. A part of the results have already been published...believed, is of immediate practical value to the mining industry. For this reason it is here presented...understanding of the occurrence of ores in the district examined is by no means complete. Therefore, the...with the gold and silver deposits of the Hyder district and the copper and nickel ores of Chichagof and...Ketchikan district, and of the mainland from Port Houghton to Taku Inlet, in the Juneau district. From August |  | | Report (issue) | | MAP OF THE CHANCHELULLA ROADLESS AREA, TRINITY COUNTY, CALIFORNIA By Donald F. Huber Scott C. Nelson...Roadless Area (5220), Trinity National Forest, Trinity County, California. The Chanchelulla Roadless Area was...ton, and accessory copper at the Chanchelulla prospect. The area has a low potential for other metallic...a more detailed study of the magnetite vein at the Iron Chief prospect would provide evidence on the...as records of the U.S. Bureau of Mines, Trinity County, U.S. Bureau of Land Management, and U.S. Forest |  | Gualtieri, James Louis, Thurber, H.K., Miller, Michael S., McMahan, Areal B., Federspiel, Frank F. (1975) Mineral resources of additions to the Alpine Lakes study area, Chelan, King, and Kittitas Counties, Washington. Open-File Report Vol. 1975 (75-3) US Geological Survey doi:10.3133/ofr753 | Report (issue) | | Continued Mining claims Continued Upper West Fork Miller River-Bear Creek area Napco prospect Bear Creek...Lower Mineral Creek area Durrwachter prospect Copper Queen prospect Lower West Fork Miller River area Akishin...Coney Basin mine Lower Cleopatra prospect Black Dike prospect Lynn prospect Miscellaneous prospects Money...Creek area Damon mine Apex mine Great Republic prospect Goat Creek shear zone Miscellaneous prospects...Huckleberry Mountain area White Cat prospect Hughes-Wayman prospect Copper Queen claims Miscellaneous prospects |  | | Report (issue) | | prepared during the last 20 years by geologists and mining engineers of the U.S. Geological Survey and the...years of wilderness surveys we have broken much new scietltiflc ground in understanding the geological.... . .... Blue Range Wilderness, Arizona and ew Mexico. by James C. Ratte and R. G. Raabe . . . . . ........ . Hells Hole Roadless Area, Arizona and New Mexico by James C. Ratte and John P. Briggs ...... -...area and contiguous roadless areas, Arizona and New Mexico. by James C. Ratte and Michael E. Lane . . . |  | | Report (issue) | | 7,195S Geology and Magnetite Deposits of Dover District, Morris County New Jersey By PAUL K. SIMS...PROFESSIONAL PAPER 287 Prepared in cooperation with the New Jersey Bureau of Mineral Research, Rutgers University...no-siliceous rocks_ _ _ _ Igneous rocks Quartz diorite and related facies Distribution and character_...igneous rocks Origin of the igneous rocks Quartz diorite and related facies Albite-oligoclase granite and...faulting 57 Summary of geologic history of the district 58 Magnetite deposits 58 Types of deposits Chemical composition |  | | Report (volume) | | Los Alamos National Laboratories, Los Alamos, New Mexico (1980, 1982a, 1983), and Oak Ridge Gaseous Diffusion...Ordovician to Silurian volcano-plutonic complex of diorite, trondhjemite, GEOCHEMICAL SURVEY OF CRAIG STUDY...by plutons ranging in composition from quartz diorite to peridotite. In the Craig study area, the contact...zinc Silurian(?) marble intruded by Tertiary(?) diorite DESCRIPTION: Lenses of galena, sphalerite, tetrahedrite...marble of Alexander belt intruded by Tertiary(?) diorite. SOURCE: Twenhofel and others (1949). Union Bay |  | | Report (issue) | | presented to the Annual Convention of the Northwest Mining Association, Spokane, Washington, December 7, 1989...I°x2° quadrangle and ore deposits of the Atlanta district, Idaho .................... Snee, L.W. , and Kunk...Link, P.K., Lake Creek mineralized area, Blaine County, Idaho ...................... Doyle, M.A., Geology...Geology and ore deposits of Garfield Canyon, Blaine County, Idaho ...................... Mahoney, J.B., Geology...mineral deposits of the Washington Basin area, Custer County, Idaho ................ Mahoney, J.B., and Horn |  | | Report (issue) | | I • THE GEOLOGY AND MAGNETITE I. DEPOSITS'OF' NORTHERN, ST~ 'LOUIS ,'COUNTY, ,MINNESOTA" ' .,' _:...Director 21 THE GEOLOGY AND MAGNETITE DEPOSITS OF NORTHERN ST. LOUIS COUNTY, MINNESOTA BY FRANK F. GROUT...mineral deposits of a large area northern St. Louis County, extending northward to the Canadian boundary....much interest to explorers and prospectors seeking new deposits of iron ore and parts of the area have been...however, had not been surveyed in detail. The district for the most part is heavily forested or cut over |  | | Report (issue) | | Geology of the St. Lawrence County Magnetite District Northwest Adirondacks, New York GEOLOGICAL SURVEY PROFESSIONAL...Geology of the St. Lawrence County Magnetite District Northwest Adirondacks, New York By A. F. BUDDINGTON...geology of the St. Lawrence County magnetite district, northwest Adirondacks, New York, by A. F. Buddington...Lawrence County magnetite district, northwest Adirondacks, New York. 1962. (Card 2) 1. Geology New York (State)...Lawrence Co. 2. Geology Adirondack Mountains. 3. Magnetite ores New York (State) St. Lawrence Co. I. Leonard |  | Brew, David A., Johnson, B.R., Grybeck, Donald, Griscom, Andrew, Barnes, D.F., Kimball, A.L., Still, J.C., Rataj, J.I. (1978) Mineral resources of the Glacier Bay National Monument Wilderness Study Area, Alaska. Open-File Report Vol. 1978 (78-494) US Geological Survey doi:10.3133/ofr78494 | Report (issue) | | C-5 " :~~ ; 21 B-193 i | J Production C-6 Mining claims c ~7 Areas favorable for mineral deposits...beach sands C-28 History and production C-31 Mining claims C-34 Geologic setting C-35 I C-35 Unconsolidated...Astrolabe-De Langle stock De Langle'Mountain magnetite prospectOther mineralization in vicinity Remainder...Glacier deposit vicinity C-161 Tarr Inlet knob prospect and vicinity C-162 North side of Johns Hopkins...Chief (Joe's Dream) prospect C-222 Rambler (Challenger) prospect C-230 Galena prospect C-233 Sunrise |  | | Report (issue) | | Data______________________________ History of Iron Ore Mining in Georgia__________________________________________________...-------------------------------------183-218 MAGNETITE ORES____ -- ---------------------------------...----------------------183-185 Ti tanif erous Magnetite ores __________ -----------------------------...Cartersville. B. Old iron furnace, Cedartown, Polk County _________ (Frontispiece) A. Open cut, Etowah Furnace...Furnace Company, Mine No. 2, near Emerson, Bartow CountY----------------------------------------------- |  | | Book | | long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...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 |  | | Report (volume) | | Map showing sample localities, anomalous areas, mining districts, and additions to Alpine Lakes study...Lemah Creeks and the Middle Fork Snoqualmie River. County records show that about 1,900 lode and placer claims...Many of the claims lie in groups in established mining districts. For study of the mines and prospects...activity in the area during the study. There was no mining but there was active exploration of several mineral...the central Cascade Range of Washington, although new studies have modified their interpretations. 10 |  | | Report (issue) | | Boogardie Orbicular granite from the Mount Magnet district. This rare and visually attractive granite with....................................17 Horseshoe prospect ...........................................................31 Mount Magnet area — granite and diorite ..............................................................................49 Kimberley Ice prospect (western dome) ...................................................................79 Colemans prospect ............................................. |  | | Journal (article/letter/editorial) | | Mineralogist, Volume 103, pages 26–38, 2018 Magnetite-apatite deposit from Sri Lanka: Implications on...Geosciences Beijing, No. 29 Xueyuan Road, Haidian District, Beijing 100083, China 2 Department of Earth Sciences...ore-bearing rocks are mainly composed of low-Ti magnetite and chlor-fluorapatite. Our petrological and geochemical...along the suture zone to form the massive type magnetite and apatite; and (2) the cooling of the hydrothermal...fluids resulted in the growth of disseminated magnetite and the precipitation of sulfide minerals, followed |  | | Report (issue) | | Deposits of the St. Lawrence County Magnetite District Northwest Adirondacks New York GEOLOGICAL SURVEY PROFESSIONAL...Deposits of the St. Lawrence County Magnetite District Northwest Adirondacks New York By B. F. LEONARD and...Development of magnetite ores (1830-1939)______ Recent discoveries and development of magnetite ores (194...____________________________ Rocks of the St. Lawrence County magnetite district. Metasedimentary rocks and migmatites____..._____..__ Occurrence of the magnetite deposits._____________ Position of magnetite deposits with respect to |  | Chen, H., Clark, A. H., Kyser, T. K., Ullrich, T. D., Baxter, R., Chen, Y., Moody, T. C. (2010) Evolution of the Giant Marcona-Mina Justa Iron Oxide-Copper-Gold District, South-Central Peru. Economic Geology, 105 (1) 155-185 doi:10.2113/gsecongeo.105.1.155 | Journal (article/letter/editorial) | | Giant Marcona-Mina Justa Iron Oxide-Copper-Gold District, South-Central Peru HUAYONG CHEN,1,†,* ALAN H...de Chile 262, Jesús Maria, Lima 11, Perú Tinto Mining and Exploration, Manco Capac 551, Miraflores, Lima...grades (346.6 Mt @ 0.71% Cu). The emplacement of magnetite orebodies with uneconomic Cu grades (avg 0.12%)...generated, respectively, cummingtonite and phlogopite-magnetite assemblages through high-temperature Mg-Fe metasomatism...swarm of massive magnetite orebodies, in turn overprinted by subordinate magnetite-sulfide assemblages |  | | Report (issue) | | canoe lashed onto float struts, taxi-ing on the New River 2 2 Traversing in the Kamoa River headwaters...canoe lashed onto float struts, taxi-ing on the New· River just below Maopityan River mouth. Photo by...pre-existing maps onto the overlay by means of a Grant ratio pr�jector. 5. Dyeline reproduction of this...volcanic-granitoid basement south of the Kuyuwini and west of the New River. The photomicrograpbs were taken by J. M. Pulsford...also formed the Aminge Granite and Marudi Grano diorite. The close of the Trans-Amazonian Orogenic Cycle |  | | Report (issue) | | enquiries work continues at a high level. Similarly, our new Marketing and Development and External Affairs office...research, but if that is to rise again, and the new Customers become a variety of small overseas countries...we have firm actions undcrway to ensure that the new BGS, if slimmer than the old one, is equally if not...costs for the reduced number of programmes) requires new procedures that are nevertheless based on career-management...Surveys described in Section 1.1 of the report. A new development has been the formation of multi-disciplinary |
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