 | | Report (volume) | | Placer Deposits of Alaska By EDWARD H. COBB GEOLOGICAL SURVEY BULLETIN 1374 An inventory of the...the placer mines and prospects of Alaska, their history and geologic setting UNITED STATES GOVERNMENT...and method of presentation __ Definitions _-____ Alaska Peninsula region Aleutian Islands region ________...Anchorage district _ Redoubt district ___-_ _ Valdez Creek district __ _ Willow Creek district Yentna district...district _____________ _ ____ __________ _____ Copper River region __ _ _ _ Chistochina district Nelchina |  | | Report (issue) | | Survey in Alaska, 2008–2009 Reconnaissance Study of the Taylor Mountains Pluton, Southwestern Alaska Professional...occurrence, Taylor Mountains, southwestern Alaska. Studies by the U.S. Geological Survey in Alaska, 2008–2009...Reconnaissance Study of the Taylor Mountains Pluton, Southwestern Alaska By Travis L. Hudson, Marti L...Reconnaissance study of the Taylor Mountains pluton, southwestern Alaska, in Dumoulin, J.A., and Galloway...eds., Studies by the U.S. Geological Survey in Alaska, 2008–2009: U.S. Geological Survey Professional |  | | Report (issue) | | Division of Mining & Water Management FRONT COVER Top left: From late 199] to 1993 Cambior Alaska Inc. constructed...Phase one channeled the stream around the open-pit mine operations. During the stream diversion the company...flow, and fish populations. When the mine closed, Valdez Creek was diverted back to its original location...excavation work on Pit A-8 of Valdez Creek gold mine operated by Cambior Alaska Inc. as it appeared in early...early August 1994. From 1984 to 1995 Cambior Alaska and previous operators produced 459,162 ounces (14,279 |  | | Report (issue) | | ON AN APPRAISAL OF THE URANIUM POSSIBILITIES OF ALASKA* By Helmuth Wedow9 Max G 0 White, and Robert M0...authors 7 opinions of the uranium possibilities of Alaska through March 1951 S the date of the completion...Peninsula-Kobuk region ............ York district .................. Lost River area .............. Brooks Mountain...... Uranium possibilities of the York district . Nome district .................. . Uranium- possibilities...possibilities ........... Council district ................ Uranium possibilities- ........... Pairhaven and |  | | Report (issue) | | has long attached to deposits of iron ore in an area that centers about 25 miles northwest of Nome. A...groups of claims are held in the iron-bearing district. Three of these the Mogul, Monarch, and Galena...height of land between Sinuk Eiver and Washington Creek, a south tributary of the Sinuk. The American group...four claims, is west of Sinuk River below American Creek, and the Cub Bear group, also of four claims, crosses...crosses the divide between Washington Creek and Cripple River. Heavily iron-stained blossom occurs at |  | | Report (issue) | | mines, prospects and mineral occurrences throughout Alaska. 1K'«r RM111 /BN140 / WtKS\ / /BN057 / BBN^///BNl4...Bendeleben 1:250,000-scale quadrangle, western Alaska This and related reports are accessible through...REPORT 99-332 Alaska Resource Data File BN001 Site name(s): Idaho Creek Site type: Mine ARDFno.: BN001...description and accuracy: This location is on Idaho Creek, 3,000 to 4,500 feet north of its mouth on the Kuzitrin...Kuzitrin River, and 10,500 feet east of the Nome-Taylor road. It is locality 46 of Cobb (1972; MF 417) |  | | Report (issue) | | developed, the deposit will be mined by underground mining methods. The deposit is part of lands owned by...placer gold mine operations on the Eureka and Mary's bench depositsin the Koyukuk-Nolan district of northern...northern Alaska. The center nugget weighs 41.35 ounces (1,286 grams) and is unofficially the tenth largest...by Tom Bundtzen) Top right: The Valdez Creek placer gold mine, 50 miles (80 kilometers) east of Cantwell...Cantwell, has been Alaska's largest gold mine for ten of the last eleven years, and it is one of the largest |  | | Report (volume) | | Metalliferous Lode Deposits of Alaska By HENRY C. BERG and EDWARD H. COBB . G E O L O G I C A L S...A n inventory of the mines and )- grosfiects of Alaska and their ' f geologic settings UNITED STATES...acknowledgments--- - - - - - ----- - - - -- - -- 4 Alaska Peninsula region- - - - - - - - -- - - - - - -...- - - _ - - - _ - - - - - - - - - - 16 Redoubt district--- - - - - - - - - - - - - - - - - - - - - - -...- - - - - - - - - - - - - - - - - ---20 Valdez Creek district_--. . . . . . . . . . . . . . . . . . |  | | Report (issue) | | field season of 1907. 6 Brooks, A. H., Placer mining in Alaska: Bull. U. S. Geol. Survey No. 259, 1905, pp...pp. 19-24. Mofflt, F. H., Gold mining in Seward Peninsula: Bull. No. 284, 1906, pp. 132141; The Nome...146-156; Geology and mineral resources of Iron Creek: Bull. No. 314, 1907, pp. 157-163. Brooks, A. H...discovered, between Snake and Nome rivers.- But, as the mining of placers goes on with much rapidity, the explored...had some effect in reducing the output of the district. One of these minor causes was the labor trouble |  | | Report (issue) | | MINING IN NORTHWESTERN ALASKA. By S. H. CATHCART. INTRODUCTION. The season of 1918 was the most unfavorable...unfavorable for placer mining that the Seward Peninsula has experienced. Several factors combine to account...Solomon Eiver district frost as deep as 10 feet was reported, and in the Council City district frost was... fuel, and foodstuffs was felt severely in all mining operations. It is estimated that the cost of production...arrival of the first boat until June 25. Ditch and creek waters froze October 3, and the first 6 inches of |  | | Report (volume) | | Metalliferous Lode Deposits and Placer Districts of Alaska By WARREN j. NOKLEBERG, THOMAS K. BUNDTZEN, HENRY...metalliferous lode deposits and placer districts of Alaska. U.S. Geological Survey Bulletin 1786 Bibliography...No.: 119.3:1786 1. Placer deposits-Alaska. 2. Ore deposits-Alaska. I. Nokleberg, Warren j. II. Series...COVER Mill buildings at Kennecott, Alaska. The Kennecott district Cu-Ag mines in the Wrangell Mountains...deposit description for Kennecott district (number 30 for southern Alaska). Copyrighted drawing used by permission |  | | Report (issue) | | MINERAL OCCURRENCES IN THE BENDELEBEN QUADRANGLE, ALASKA, SUPPLEMENT TO OPEN-FILE REPORT 75-429 PART A ...mineral occurrences in the Bendeleben quadrangle, Alaska (Cobb, E. H., 1975, Summary of references to mineral...construction materials) in the Bendeleben quadrangle, Alaska: U.S. Geological Survey Open-file Report 75-429...the report or map. Abbreviations used are: AOF Alaska Division of Geological and Geophysical Surveys...Mines Bulletin C U.S. Geological Survey Circular GR Alaska Division of Geological and Geophysical Surveys |  | | Journal (article/letter/editorial) | | fragments of porphyritic rhyolite, and contain cassiterite, hematite, cristobalite, and/or chalcedony. Color...have chemical significance;the iron content in cassiterite-richlayers, as much as 7.8 percent Fero3 by electronprobe...the c cell parameter and the cell volume of cassiterite,suggestingthat Fes+has substituted for Sno+in...depositedoriginally as fracture fillings in the Tertiary Taylor Creek rhyolite with which it is closely associated...to finely crystalline, concentrically-layered cassiterite,occurs as placer accumulations in eluvial and |  | Nokleberg, W.J., Bundtzen, T.K., Grybeck, D.J., Koch, R.D., Eremin, R.A., Rozenblum, I.S., Sidorov, A.A., Byalobzhesky, S.G., Sosunov, G.M., Shpikerman, V.I., Gorodinksy, M.E. (1993) Metallogenesis of mainland Alaska and the Russian Northeast. Open-File Report Vol. 1993 (93-339) US Geological Survey doi:10.3133/ofr93339 | Report (issue) | | GEOLOGICAL SURVEY PREPARED IN COLLABORATION WITH ALASKA DIVISION OF GEOLOGICAL AND GEOPHYSICAL SURVEYS...NORTHEASTERN RUSSIA METALLOGENESIS OF MAINLAND ALASKA AND THE RUSSIAN NORTHEAST By Warren J. Noklebergl...and Richard D. Koch 1 1-U.S. Geological Survey ^-Alaska Division of Geological and Geophysical Surveys...OPEN-FILE REPORT 93-339 PREPARED IN COLLABORATION WITH ALASKA DIVISION OF GEOLOGICAL AND GEOPHYSICAL SURVEYS...LODE DEPOSITS AND PLACER DISTRICTS FOR MAINLAND ALASKA AND THE RUSSIAN NORTHEAST By Warren J. Nokleberg1 |  | | Report (volume) | | .................... Taylor Creek area....................... Squaw Creek area.........................Hardcastle Creek area................... ILLUSTRATIONS Page 54. Geologic map of Taylor Creek area.........55. Geologic map of zone of alteration in Taylor Creek area.............................. In pocket 56...projection of Bureau of Mines crosscut IN in Taylor Creek area...... 366 57. Tin-bearing stringers in wall...wall of Bureau of Mines crosscut IN in Taylor Creek area...... 366 58. Geologic plan and section of Bureau |  | | Journal (article/letter/editorial) | | ........................ 293 Other Unique Cassiterite Occurrences ...................................classes: 1. Molybdenite-native bismuth, wolfram and cassiterite deposits in granite, with associatedsulphidesof...volcanics,often associated' with cassiterite;the sulphides,or the cassiterite, or both,may proveeconomic.Pipesof...depositionalsequenceto be molybdenite-wolfram-cassiterite with progressive decreasein temperature.This...explanationfor reversal of the traditional cassiterite-wolfram-molybdenite sequenceis not arrived at |  | | Report (issue) | | example, if a mineral is recorded from “Paradise Creek, Emmaville,” both these names are entered in the...Australia, it is often necessary to christen a new mining field, and to assign names to its creeks, gullies...north-west of C.”; A, B, and C may all be in the same district, but it is sometimes difficult or impossible to...Lyndhurst,” “Leigh Creek,” “Avondale Mine”; all these are in the Leigh Creek District, and there may be...Zmc-lead Salphide Deposits of the Read-Rosebery District. Bull. Geol. Surv, Tas., 23, 1915. .Jensen (H |  | | Journal (article/letter/editorial) | | microprobe, etc.) Because New Mexico is a mining state, mining districts are given whenever possible in... Placitas district (Sandia Mountains), NE of Albuquerque: schorl. Tijeras Canyon district (Manzano Mountains)...Mountains), E. of Albuquerque. Galena King mine: barite, fluorite, galena, malachite. Hell Canyon subdistrict...(Seiiora de 10s Milagros mine): copper, cuprite, malachite. Catron County Apache Creek, N. of Reserve: quartz...quartz (chalcedony). Mogollon district, NE of Glenwood: acanthite, bornite, chalcocite, fluorite, gold |  | | Journal (article/letter/editorial) | | OF RHYOLITE-HOSTED TIN MINERALIZATION: THE TAYLOR CREEK RHYOLITE, EVIDENCE FROM NEW MEXICO WENDELL...GeologicalSurvey,4200 UniversityDrive, Anchorage,Alaska 99508 Introduction similarities between these...lavasthat constitutepart of the mineralizationis the Taylor Creek Rhyolite, a group voluminous Tertiaryvolcanicfieldof...occurrencesare upperpartof the sequence of ignimbrites. The Taylor knownthere, but in spiteof thesegreatnumbersthe...ordersof magnitudeless,and of muchlower grade, Taylor Creek Rhyolite (Elston, 1968, 1976). They than that |  | | Report (volume) | | PROGRESS OF INVESTIGATIONS OF MINERAL RESOURCES OF ALASKA IN 1905 By ALFRED H. BROOKS AND OTHERS WASHINGTON.................................... Southeastern Alaska................................................................................... Southwestern Alaska............................................................................................ THE MINING INDUSTRY IN 1905, by Alfred H. Brooks.......................................... Auriferous lode mining............................................... |  | Nokleberg, Warren J., Bundtzen, Thomas K., Dawson, Kenneth M., Eremin, Roman A., Goryachev, Nikolai A., Koch, Richard D., Ratkin, Vladimir V., Rozenblum, Ilya S., Shpikerman, Vladimir I., Frolov, Yuri F., Gorodinsky, Mary E., Melnikov, Vladimir D., Ognyanov, Nikolai V., Petrachenko, Eugene D., Pozdeev, Anany I., Ross, Katherina V., Wood, Douglas H., Grybeck, Donald, Khanchuk, Alexander I., Kovbas, Lidiya I., Nekrasov, Ivan Ya., Sidorov, Anatoly A. (1996) Significant metalliferous and selected non-metalliferous lode deposits and placer districts for the Russian Far East, Alaska, and the Canadian Cordillera. Open-File Report Vol. 1996 (96-513) US Geological Survey doi:10.3133/ofr96513a | Report (issue) | | and placer districts for the Russian Far East, Alaska, and the Canadian Cordillera, by Warren J. Nokleberg...deposits and placer districts of the Russian Far East, Alaska, and the Canadian Cordillera. The report provides...Format) formats, and the mineral-deposit and placer district tables in dBase 3/4, FileMaker Pro 2.0, and tab-delineated...ACADEMY OF SCIENCES GEOLOGICAL COMMITTEE OF RUSSIA ALASKA DIVISION OF GEOLOGICAL AND GEOPHYSICAL SURVEYS...AND PLACER DISTRICTS FOR THE RUSSIAN FAR EAST, ALASKA, AND THE CANADIAN CORDILLERA By Warren J. Nokleberg1 |  | | Report (issue) | | production and reserve grades source, fineness, mining methods, other economic commodities and general...is useful for analyzing the roles genetics and mining method have on placer grades and volumes. Deposits...commodity other than gold, i. e. diamonds or cassiterite. Other deposits contain potential for production...varies from area to area. Individual workings are not included if deposit or district data are presented...gold production for the central Brooks Range, Alaska exceeded the total as reported by deposit. -2- |  | | 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...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...61 232 PART The Making 43 II 5 7 3 III Mine PART 267 IV Glossary 279 Bibliography 291 |  | | Report (issue) | | of Seward Peninsula and adjacent region, Alaska, showing area of larger- - - - - - - - - ---- . 8 scale...from the point of sand spit; C,Valley of Quartz Creek cut in high gravel bench .........................the northwestern portion of Seward 14 Peninsula, Alaska .................................................group, head of Portage Creek; B, Schistose limestone, 20 Kuigruk group, Budd Creek.. .-...................limestone south of Igloo Creek; B, Frozen silts containing spruce logs on Quartz Creek.. .....-. .-..-.... |  | | Journal (article/letter/editorial) | | occurrences. Rocks & Minerals 63:12-13. Morocco Cobalt Mining The March 1988 Mineral Industry Survey, published...announced the planned resump tion of mining in the Bou Azzer district. The article—"Co balt in March 1988"—indicated...1988"—indicated that no mining has taken place in Bou Azzer since 1982, and that "Morocco was the only...found there in the past. United States of America Alaska Diamonds Janet and Steven Cares sent in a report...issue of Alaska magazine. In the summer of 1986, a third Alaskan diamond was found in Crooked Creek in the |
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