 | | Report (issue) | | Mineralization in the North Moccasin Mountains, Fergus County, Montana By DAVID A. LINDSEY and CHARLES W. NAESER...Zone at Kendall, North Moccasin Mountains, Fergus County, Montana By DAVID A. LINDSEY U.S. GEOLOGICAL SURVEY...mineralization in the North Moccasin Mountains, Fergus County, Montana / by David A. Lindsey and Charles W. Naeser...zone at Kendall, North Moccasin Mountains, Fergus County, Montana / by David A. Lindsey. 1. Intrusions (Geology)...mineralization in the North Moccasin Mountains, Fergus County, Montana. 1985. III. Lindsey, David A. A goldmineralized |  | | Book (volume) | | chalcedony, jasper and gem petrified wood. BUFFALO COUNTY KEARNEY, area gravel bars and pits along the Platte...townagate, chalcedony, jasper, petrified wood. CASS COUNTY WEEPING WATER, SE, on rd. to Nehawka, in the Snyderville...chalcedony, jasper, fossils. CHERRY COUNTY VALENTINE, in the Sandhills county along the Niobrara R. and Minnechaduza...gem qualityagatized and opalized wood. DAWES COUNTY CHADRON, in N part of Co. and as far W as Crawford...woods, etc. DAWSON COUNTY GOTHENBURG, in sand pitspetrified palm wood. DEUEL COUNTY CHAPPELL, all regional |  | | Journal (article/letter/editorial) | | Northern Illinois University, DeKalb, IL 60115 2854, USA North Carolina Department of Environment and Natural...28115, USA c Department of Geosciences, University of Wisconsin-Milwaukee, Milwaukee, WI 53201, USA d Department...Michigan State University, East Lansing, MI 48824-1115, USA Received 17 July 2001; accepted 28 June 2002 Abstract...by Sylvester (Ph.D. thesis (1984) 588). One, the Silver Mines suite, consists of mafic rocks formed contemporaneously...and contemporaneous portions of the Granite /Rhyolite Provinces, originated during subduction along |  | | Book | | Hundredth Meridian; Prof. J. E. Mallett, jr., Canyon City, Colo. W. McCree, E. M„ Del Norte, Colo. Dr. A....Colo. Fairplay, Colo. R. J. Raymond, United States Mining and Mineral Commissioner: Prof. J. F. L. Schirmer...Conn.; J. Aldcn Smith, State Geologist, Boulder City, Col. An arrangement has been followed differing...occurrence in Colorado is that of the tel'lurides. Gold, silver, lead, iron, mercury, and oxygen are combined with...on account of the high percentages of gold and silver they contain. Another 135 SURVEY. EEPORT UNITED |  | | Book | | gravel of streams and in veins. The veins of Gilpin County are especially noteworthy for the amount of gold...leaf gold were taken from the Printer Boy mine, Lake County, in tellurium in many in 1870. In combination...combination with of the mines in Boulder County. SILVER. occurs crystallized in cubes, octahedrons...distorted usually filiform, arberescent, in Color silver-white, but subject plates or coatings and sometimes...Found native in small quantities in nearly all silver mines In scales, arborescent and filiform, the |  | | Corporate Document | | eliminating our debt, growing the quality gold and silver resources and reserves throughout this year and...sustainable, responsible Nevada mining. Our team received the 2017 Nevada Excellence in Mine Reclamation Award...Lucerne-related mine reclamation including the realignment of State Route 342 and reclamation of historic mine features...received the 2015 Nevada Excellence in Mine Reclamation Award for the Keystone mine cut reclamation and...lode claims in the southern part of the Comstock District. These acquisitions expanded an already impressive |  | | Corporate Document | | 001-35200 COMSTOCK MINING INC. (Exact name of registrant as specified in its charter) Nevada 1040 65-0955118...Employer Identification No.) P.O. Box 1118 Virginia City, NV 89440 (775) 847-5272 (Address, including zip...2 ITEM 3 PROPERTIES LEGAL PROCEEDINGS ITEM 4 MINE SAFETY DISCLOSURES 5 10 21 27 28 PART II ITEM...industry market conditions; future changes in our mine planning, exploration activities, production capacity...difficulties in connection with exploration or mining activities; contests over our title to properties; |  | | Book (edition) | | MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...live. The Appalachians, the Smokies, the Sierra Nevada, the Rockies and Black Hills, the Cascades and...fine-grained, light gray or pink, often-banded rhyolite. 16 ROCK FORMATIONS IN WHICH GEMS OCCUR A...glass of much the same chemical composition as rhyolite. Pumice is obsidian in a powdery state. Much of...environment in which obsidian is likely to occur, and rhyolite may contain pockets of precious opal. Granites |  | | Report (issue) | | SURVEY GEORGE OTIS SMITH, DIRECTOR OF THE SIERRA NEVADA OF CALIFORNIA : I I / BY WALDEMAR - LINDGREN...73 rrHE .TERTIAR Y GRAVELS OF .THE SIE~ RRA NEVADA OF CALIJTORNIA BY WALDEMAR LINDGREN . 0 (.....Outline of later geologic history of the Sierra Nevada ..... ___ __ _____ __ ________ ~ ___ . _............... __ . _. _. _........... ~. '- ....... . Mining debris ............................. _.... ___..... ________ . . _. __ .-. ; ... __ Quantity of mining debris, by G. K. Gilbert ...•..... _._ ....... |  | | Field Trip Notes | | Q E S5 W63 1994 EART ROADSIDE GEOLOGY AND MINING HISTORY OF THE MOTHER LODE 1994 Gregg Wilkerson...California … • * * ** ROADSIDE GEOLOGY AND MINING HISTORY º OF THE MOTHER LODE April 9, 1994 Gregg...Field Trip Program Mother Lode '94 Bakersfield District Office Bureau of Land Managmement 3801 Pegasus.... . . 14 TV QFºo 5-M/43 ROADSIDE GEOLOGY AND MINING HISTORY OF THE MOTHER |*4 EART LODE Gregg Wilkerson...adapted from the 1991 guide are noted by (91). All mine production values are from the 1941 or 1991 guides |  | | Report (volume) | | ........................ 5 5 Distribution of mining districts...................................................................................... Nevada.......................................................................... PART II. Catalogue of mining districts, by J. M. Hill..................................................... Classification of mining districts...................................................................................... Nevada............................................... |  | | Book (volume) | | Most specimen collecting is done in the Lead-Zinc mining dists. of northwestern Illinois, the glacial drift...600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods |  | | Book (volume) | | Most specimen collecting is done in the Lead-Zinc mining dists. of northwestern Illinois, the glacial drift...600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods |  | | Report (volume) | | 250-12,460 ft, sec. 14, T. 45 S., R. 27 E., Lee County, Fla. Named for the nearby Able Canal. The Able...H-20, northwest of Wattsville, northern Accomack County, Va. Reference sections: facies E and F, sand pits...Wattsville, Persimmon Point, and Accomack, Accomack County, Va. The informal Accomack beds of Mixon and others...and west of the Ames Ridge shoreline in Accomack County, Va., and are well developed from Wallops Station...Turnpike exchange, Annandale quadrangle, Fairfax County, Va. The Accotink Schist, here named, is the lower |  | | Book | | Gold mines and mining—Death Valley (Calif. and Nev.)—History. 4. Gold mines and mining—Amargosa River...“Into the Jaws of Hell” A Hard Lesson Gunsight Silver and the Wonderful Bailey Ore Alvord and Breyfogle...Indians and horse thieves, lost argonauts and lost mine hunters, prospectors and promoters, miners and millionaires...mineral wealth, has been the work of many hands, mining and refining it. The final metal owes much to the...valley was several thousand feet above sea level. Nevada papers championed Gabb, chiding Whitney for wanting |  | | Book (volume) | | ...........................................283 Nevada ................................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ..................................Co. Mining Districts ............................................................22 Arizona County Map.........................23 Arizona – Cochise Co. Mining Districts .................................... |  | | Journal (article/letter/editorial) | | ......................................... 401 District of Columbia................................................................. 407 Maryland and District of Columbia............................................................................... 412 Nevada............................................................................................ 463 Mining operations.......................................in any other locality. During my absence from the city in the summer months the keys to the two boxes containing |  | | Book | | stumble over a valuable nugget and stake your own mining claim? Indeed it to is, and author book Jay...prospecting, he points out, is in abandoned mining districts, where valuable mineral ores are present...commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...RANSOM 1875-1948 An to the Eastern '‘Schoolmarm” Mining Camps of the Old West I I a s I \ h K... CONTENTS Preface ix PART I 1 Introduction to Mining and Mineralogy 2 Preparation for Mineral Collecting |  | | Journal (issue) | | and the post-mark, but this one came from a big city, so we can't do much detective work through our...elicit special attention in the states of Utah and Nevada where some of the last physical reminders of this...included not only the present states of Utah and Nevada, but also large portions of Wyoming and Colorado...farms, and mining men were beginning to collect at the new camp of Virginia City where silver had been...California—in the mail-hungry West. On this Utah-Nevada trail were the longest unbroken stretches without |  | | Book (volume) | | ...........................................243 Nevada .................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |  | | Book (volume) | | ...........................................243 Nevada .................................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |  | | Report (issue) | | Hartig, P Corbett and A. Retter Cover: Mount Isa mine—with 270 m-high concrete stack for the lead smelter...stratiform lead-zinc-silver deposits Brecciated sediment-hosted lead-zinc-silver deposits Iron-rich metasediment-hosted...Cobalt depos RS ae a Gold deposits OOOO OR OHO TORSO Silver deposit SY bro Gr OMe DO eee re Pane pane ee Meee...Migmatitic metadacite, Kurbayia Migmatite . Outcrop of Plum Mountain Gneiss . Distribution of cover sequence...Amygdaloidal lava, Magna Lynn Metabasalt . Flow-banded rhyolite lava, Argylla Formation . Cross-bedded sandstone |  | | Book | | Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North...of the Royal Tombs at Abydos west of the ancient city of Thebes. About 1900 Sir Fljnders Petrie, an English...motherof-pearl, and lapis laz11li brought from the city of Ur. Certainly, the Sumerians ,vere the first...of commercial mining is also long, beginning with the Kenya opal mines of 4000 B.C. Mining began with gemstones...gemstones, instead of metallic ores, and mining for turquoise was enormously extended throughout the |  | | Report (volume) | | nos. 1, 2. Boston, Mass. American Institute of Mining Engineers: Bulletin, nos. 121-132; Transactions...Mineralogist, vol. 2. Philadelphia, Pa. American Mining Congress: Report of Proceedings, 19th Annual Session...nos. 1-9. San Francisco, Cal. California State Mining Bureau: Bulletin, nos. 72-75. San Francisco, Cal...Summary report for 1916. Ottawa, Ont. Canadian Mining Institute: Monthly Bulletin, nos. 57-68;. Transactions...Transactions, vols. 19, 20. Ottawa, Ont. ' Canadian Mining Journal, vol. 38. Toronto and Montreal, Canada |  | | Journal (volume) | | A. Logan, District Mining Engineer C. Jenkins, Chief Geologist McK. Laizure, District W. Burling...Tucker, Reid J. Mining Engineer District Sampson, Assistant Mining Engineer District Engineer Chas...Chas. V. Averill, District Mining Engineer San Francisco Sacramento San Francisco Los Angeles Los Angeles...Junior Mining Engineer (Librarian) San Francisco San Francisco TABLE OF CONTENTS Page DISTRICT REPORTS...REPORTS OF MINING ENGINEERS—— 7 Redding Field District 7 Sacramento Field District 7 San Francisco |
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