 | | Journal (article/letter/editorial) | | Ilvaite occurs in the Fortitude Au skarn deposit, Nevada, the first reported occurrence in a Au skarn deposit...Introduction Ilvaite has been discovered at Fortitude, Nevada, in the distal zone of the pyroxene-rich exoskarn...The Fortitude deposit, in the Battle Mountain mining district, Nevada (Fig. 1), is a gold-enriched zone...COMMUNICATIONS Western USA 117°07´ N 117°08´ 625 0 N LEGEND I Nevada Amphibole-chlorite Fortitude...the Fortitude pit. Along the Antler Peak-Edna Mountain contact at the southern edge of the Fortitude |  | | Report (volume) | | Gold in Jasperoid, Elephant Head Area, Lander County, Nevada U.S. GEOLOGICAL SURVEY BULLETIN 2009 Geochemistry...Gold in Jasperoid, Elephant Head Area, Lander County, Nevada By TED G. THEODORE and GAIL M. JONES U...gold in jasperoid, Elephant Head area, Lander County, Nevada I Ted G. Theodore and Gail M. Jones. p....ores-Geology-Nevada-Lander County. 2. JasperoidNevada-Lander County. 3. Geochemistry-Nevada-Lander County. I....Geologic map of the Elephant Head area, Lander County, Nevada In pocket FIGURES 1. 2. 3. 4. 5. 6. 7 |  | | Report (issue) | | Copper Canyon Porphyry Copper Deposits, Lander County, Nevada GE0 L0 GICAL SU RVEY P R 0 FE S S I 0...Copper Canyon Porphyry Copper Deposits, Lander County, Nevada By TED G. THEODORE and DAVID W. BLAKE With...PORPHYRY COPPER ENVIRONMENT IN THE BATTLE MOUNTAIN MINING DISTRICT, NEVADA GEOLOGICAL SURVEY PROFESSIONAL...________________________________________ 31 35 37 37 Battle Formation -------------------------------------Altered...the west ore body, Copper Canyon area, Lander County, Nevada -------------------------- in pocket 1. |  | | Report (issue) | | Molybdenum Deposit and Surrounding Area, Lander County, Nevada U.S. GEOLOGICAL SURVEY PROFESSIONAL PA...MOLYBDENUM DEPOSIT AND SURROUNDING AREA, LANDER COUNTY, NEVADA FRONTISPIECE. Buckingham area. Group...Molybdenum Deposit and Surrounding Area, Lander County, Nevada By TED G. THEODORE, DAVID W. BlAKE, THOMAS...PORPHYRY COPPER ENVIRONMENT IN THE BATTLE MOUNTAIN MINING DISTRICT, NEVADA U.S. GEOLOGICAL SURVEY PROFESSIONAL...molybdenum deposit and surrounding area, Lander County, Nevada I by Ted G. Theodore ... [et al.]. With |  | | Report (issue) | | Tanama, Puerto Rico Dos Pobres, Arizona Copper Mountain, B.C., Canada References Cox, unpublished data...and prophylitic zones. Halo of rhodochrosite, rhodonite, spessartine. Ore Controls Weathering Stockwork...upward from Mo+Cu to Cu, Au to Zn, Buckingham, Nevada USSR deposits References Blake and others, 1979...Mn-hedenbergite±andradite±grossular±spessartine±bustamite± rhodonite. Late stage Mn-actinolite±ilvaite±chlorite±dannemorite...(Cyprus), York Harbor, (Canada) Turner-Albright, (USA) References 3.1 (continued) Petersen and Zantop |  | | Report (issue) | | MINERALS OF NEVADA MINERALS OF NEVADA Peer Hen By CASTOR oan eGORY.C.oFER DOCK NEVADA AND BUREAU... UNIVERSITY Reno & Las Vegas OF NEVADA PRESS GEOLOGY Nevada Bureau of Mines and Geology Special...University of Nevada Press, Reno, Nevada 89557 USA Copyright © 2004 by University of Nevada Press Photographs...otherwise noted Map of Mining Districts and significant mineral occurrences of Nevada by Nevada Bureau of Mines...Cataloging-in-Publication Data Castor, Stephen B, Minerals of Nevada / Stephen B. Castor and Gregory C. Ferdock.— Ist | | | Report (issue) | | MINERALS OF NEVADA MINERALS OF NEVADA STEPHEN B. CASTOR and G R EGOR Y C . F E R D OC K l NEVADA BUREAU...association with the UNIVERSITY OF NEVADA PRESS Reno & Las Vegas Nevada Bureau of Mines and Geology Special...University of Nevada Press, Reno, Nevada 89557 USA Copyright© 2004 by Uni versity of Nevada Press Photographs...Districts and si gnificant minernl occurrences of Nevada by Nevada Bureau of Mines and Geology All rights reserved...-Publ ication Dat,i Castor, Stephen B. Minerals of Nevada/ Stephen B. Castor and Gregory C. Ferdock.- rst |  | | Book | | f. MIMING DISTRICTS and MINERAL RESOURCES of NEVADA by FRANCIS CHURCH LINCOLN i r r i i ; %■... ; 'jxt . 1 — \ MINING DISTRICTS and MINERAL RESOURCES of NEVADA by FRANCIS CHURCH LINCOLN...LINCOLN 0 ll ; RENO NEVADA NEWSLETTER PUBLISHING COMPANY 1923 PREFACE Earlier Works. The object of...infor mation concerning the mining districts and mineral resources of Nevada. No comprehensive work of...peared for a number of years. In the early days of Nevada min ing, from 1866 to 1878, the field was covered |  | | Book | | rift that extends from Mexico along the Rocky Mountain Front to possibly the North Slope of Alaska. In...and the Central Mining District, Grant County Burro Mountains Apache No, 2 District Lake Valley Caballo...Mountains Chloride District Hansonburg District Socorro Area New Placers District Grants Area Nacimiento...Uplift Harding Pegmatite Ojo Caliente Pegmatite District 4. COLORADO MINES nm — On 29 DEPOSITS MEXICO...Luis Valley and the San Juan Mountains Bonanza District 33 33 36 37 46 54 bP) 57 59 60 64 68 74 78 80 |  | | Journal (article/letter/editorial) | | in magmatic arc settings. At the regional and district scales, the occurrence of many deposits in belts...Canyon Chelopech Sepon SierritaEsperanza Red Mountain Santa Rita (Central dist.) Yanacocha Antamina...the geology of porphyry Cu systems at regional, district, and deposit scales. The resultant geologic model...El Abra 22° A AL C M E ALT O Regional- and District-Scale Characteristics 0361-0128/98/000/000-00...$6.00 Deposit clusters and alignments At the district scale, porphyry Cu systems and their contained |  | Hodges, C.A., Cox, D.P., Singer, D.A., Case, J.E., Berger, B.R., Albers, J.P. (1984) U.S. Geological Survey-INGEOMINAS mineral resource assessment of Colombia. Open-File Report Vol. 1984 (84-345) US Geological Survey doi:10.3133/ofr84345 | Report (issue) | | complex mineralogy (such as the California-Vetas district) would be useful, not only for exploration in...in such areas may be appropriate. 12° SIERRA NEVADA DE SANTA MARTA Figure 1. Geologic provinces of...vertical uplift is post-middle Miocene. The Sierra Nevada de Santa Marta, a triangular-shaped fault-bounded...Juan-Atrato Basin), the Serrania de Perija and Sierra Nevada de Santa Marta (Cesar Basin), and along the Caribbean...the Eastern Cordillera at the California-Vetas District (Domain 23) (Sillitoe and others, 1982). Undiscovered |  | | Report (issue) | | Engineer, formerly President of the Institution of Mining and Metallurgy. Major VAUGHAN 11oRGAN, Intelligence...Empire. No attempt has been made t o give details of mining or metallurgical processes. HARCOURT, Chairman...superior organisation, stricter control, more suitable mining methods. lower railway freights and more adequate...of the early exploratory ,vork be confirmed by mining on a com mercial scale, the present limited requirements...ore was made in 1914 at Dagwin, in the Wassa"v district of the Gold Coast Colony, West Africa, and the |  | | Report (issue) | | A view of the main ore zone at the Carlin mine, Nevada. Popovich Hill is on the left and is underlain...geophysical studies of concealed mineral deposits in Nevada and elsewhere, evaluation of the regional geological...Dog, Alaska; Paradise Peak, Jerritt Canyon, Battle Mountain, and the Comstock Lode, Nev.; Mesquite, Calif...geophysical exploration techniques, deposit and district studies, and laboratory research, the program...for analysis of concealed mineral resources in Nevada: A progress report-by Dennis P. Cox, Steve Ludington |  | | Journal (issue) | | Competition open to registered skiers in Rocky mountain area. 7-8 Martinez and Aqua Alta canyons, Colorado...University of Nevada winter sports carnival and Inter-Collegiate ski meet, Reno, Nevada. 14-15 Northern...15 Indian Turtle dance, at Taos, New Mexico. 15 Nevada state press association holds annual convention...Mexico, with Richard Crooks, tenor. 19-22 Riverside County Fair and Date Festival at Indio, California. 20-22.... . . . 4 RECREATION Up the West Face of Kofa Mountain By RUTH DYAR MENDENHALL . . . . TRAVELOG We Found |  | | Book (edition) | | who have been engaged in the study of our great mining regions, especially in the West, have laid the...now in the active practice of the profession of mining engi neering. J. F. K. DECEMBER, 1899. NO TEXT...125-129; Marquette district, 129-136; Menominee dis trict, 136-139; Penokee-Gogebic district, 139-143; Vermilion...11, Pilot Knob, Mo., 155-157; Example lla, Iron Mountain, Mo., 157, 158; analyses of hematites, 159.. 114-159...VIII.— LEAD AND SILVER. Introduction, 260; Rocky Mountain region and the Black Hills, 260, 274 ; New Mexico |  | | Report (issue) | | mineralized areas prior to mining, and conditions that result from mining and mineral processing. Other...as climate, and anthropogenic factors (including mining and mineral processing methods) mostly modify the...natural weathering of mineral deposits and from mining, mineral processing, and smelting. For example...generally subordinate controls, such as climate and mining and milling methods, on environmental signatures...1993; Plumlee and others, 1993). Extent of pre-mining oxidation: As weathering and erosion expose sulfide-bearing |  | | Report (issue) | | N OF IGNEOUS ROCKS AT THE CHRISTMAS MINE, GILA COUNTY, ARIZONA By Randolph Allan Koski Open-File Report...Christmas copper deposit, located in southern Gil a County, Arizona, is part of the major porphyry copper...program on the geology and ore deposits of the Ray district, Arizona conducted by the Branch of Western Mineral..... xii INTRODUCTION ........................ Mining History. .................... Previous Work .....Plate I. Geology of the Christmas mine area, Gil a County, Arizona ...................... In pocket II. |  | | Journal (article/letter/editorial) | | present of mining and metallurgy of lead . . . . . . . . . . . 18.7.2. Past and present of mining and metallurgy...hampering our access to mineral deposits, such as mining depth controlled among others by the geothermal...Hewett in 1927 who was able to demonstrate that in mining countries exploitation, export and import of metals...passed its climax. At the very end the domestic mining industry can no longer cater for the needs and...looked up in various publications such as the “World Mining Data”, a yearbook issued by Weber and Zsak (2007) | | | Journal (article/letter/editorial) | | present of mining and metallurgy of lead . . . . . . . . . . . 18.7.2. Past and present of mining and metallurgy...hampering our access to mineral deposits, such as mining depth controlled among others by the geothermal...Hewett in 1927 who was able to demonstrate that in mining countries exploitation, export and import of metals...passed its climax. At the very end the domestic mining industry can no longer cater for the needs and...looked up in various publications such as the “World Mining Data”, a yearbook issued by Weber and Zsak (2007) |  | | Report (volume) | | rock types 133 Cross section through the Kalavos district Cyprus showing relationship of massive sulfide...significant tasks. GRADE-TONNAGE MODELS Estimated pre-mining tonnages and grades from over 3,900 well-explored...represents an individual deposit (or, rarely, a district), cumulated in ascending grade or tonnage. Where...there is no mention of the actual cutoff grades or mining widths that are incorporated into published reserve...considered for eventual mining. Effects of another source of variation, mining '1 methods, are recognized |  | | Book | | EXPLORATION SELECTION OF REGION SELECTION OF DISTRICT o o o t> o o [ 1 reconnaissance exploration...of magnitude: region: greater than 5000 km2 ; district: 500-5000 km 2 ; area: 5—50 km 2 ; target: less...using existing knowledge. For example, in a known mining area a particular lithological structural unit...between a region and a district is necessarily somewhat arbitrary. In general a district should be regarded...mineralization will usually guide the selection of a district, and the choice may be dictated by the type of |  | | Report (issue) | | ........................................ 51 District of Columbia................................. ............................................ 64 Nevada..................................................Geologic Reports, Arizona Bureau of Geology and Mining Technology Field Notes, Geologic Investigations...Publications, and Memoirs. Geology Bulletins, Special Nevada Bureau of Mines and Geology Open-File -Reports...Special Papers, and Geologic Map Series. Rocky Mountain Association of Geologists, Guidebooks. U.S. Geological |  | | Report (issue) | | mineralized rocks of the North Amethyst vein, Mineral County, Colorado by N. K. Foley (U.S. Geological Survey...offluid inclusions in vein quartz from Battle Mountain, Nevada by E. H. McKee (U.S. Geological Survey...implications for lithospheric growth in the western USA by M. A. Menzies (Department of Geology, University...implications for lithospheric growth in the western USA. The third day will begin with an introduction to...of Ar studies on fluid inclusions from Battle Mountain (Nevada) will be reported, as well as dating of |  | | Report (issue) | | ___________________________________ 88 88 88 89 90 Nevada ------------------------------------ 90 Oregon...cooperators ----------------------------State, county, and local cooperators -------------Other cooperators...onal offices ------------------------Area and District offices ----------------Earth Resources Observation...------------------Regional offices ------------------------District offices -------------------------Offices in other...Joint Experiment AIME _______ American Institute of Mining, Metallurgical, and Petroleum Engineers atm ------------------ |  | | Book (volume) | | Nadowessioux Indians USE Dakota Indians Naeba Mountain (Nagano-ken and Niigataken, Japan) UF Naeba-san...(Nagano-ken and Niigata-ken, Japan) USE Naeba Mountain (Nagano-ken and Niigata-ken, Japan) Naeba-yama...(Nagano-ken and Niigata-ken, Japan) USE Naeba Mountain (Nagano-ken and Niigata-ken, Japan) Naebasan (Nagano-ken...(Nagano-ken and Niigata-ken, Japan) USE Naeba Mountain (Nagano-ken and Niigata-ken, Japan) Naebayama...(Nagano-ken and Niigata-ken, Japan) USE Naeba Mountain (Nagano-ken and Niigata-ken, Japan) Naeff family |
|
