 | | Report (issue) | | Bulletin 849 C BY JAMES C. RAY Investigations in Alaska Railroad belt, 1931 (Pages 165-229) UNITED STATES...______.__..._..._.__ Special factors affecting mining. ____________________________________ Open season...-.-.-..----------------------------------.-----Mining properties. _._-------_-._-___.-------__-------------...--------Surface plant... ------_.-_--------------.------------Mine development. -____-_-__-_--_..-__------------_....205 IV CONTENTS Economic geology Continued Mining properties Continued Lucky Shot Continued Milling |  | | Report (issue) | | MINING DEVELOPMENTS IN THE MATANUSKA COAL FIELDS. By THEODORE CHAPIN. INTRODUCTION. The only coal-mining...coal-mining activity in the Matanuska Valley in 1919 was the working of the Government-operated mines at Eska...Eska and Chickaloon by the Alaska Engineering Commission in charge of Sumner S. Smith, resident engineer...geology and developments recently published.1 ESKA MINE. The principal operations were at Eska, where an...perpendicular to the creek, which has cut across the beds and has exposed a natural section. The mining by the Alaska |  | | Report (volume) | | Geology and -Ore Deposits of the : Willow Creek Mining District, Alaska GEOLOGICAL SURVEY BULLETIN 1004... Geology and Ore Deposits of the Willow Creek Mining District, Alaska By RICHARD G. RAY GEOLOGICAL SURVEY...and economic geology of a lode gold mining district in southern Alaska, with particular emphasis on the...mine_________________-___-_-_-____-___._-_--_______ Independence mine.________-_-__-_____--____-_-____---_-______ Fern...mine_____________-_-__-__-_--_--------_-----_------_____ Mabel mine____________-_--__------_-----------------------_ |  | | Report (issue) | | INVESTIGATIONS IN THE ALASKA RAILROAD BELT, 1931 BY S. R. CAPPS Mineral resources of Alaska, 1931 (Pages 119-135)...basin____________________________________ Moose Pass-Hope district, Kenai Peninsula._____________________ Girdwood..._____________ Willow Creek district____________.-_-_-________..._________ Valdez Creek district_____...Eielson district ________________________________________ Eureka and vicinity, Kantishna district._____-___-_--___..._____-___-_--___ _______Fairbanks district.___________________________________________ 119 119 121 121 122 |  | | Report (issue) | | mines, prospects and mineral occurrences throughout Alaska. Distribution of mineral occurrences in the Anchorage...Anchorage 1:250,000-scale quadrangle, southcentral Alaska This and related reports are accessible through...REPORT 98-599 ZUSGS science for a changing world Alaska Resource Data File INSET MAP 1 T^'-^-r \ _ -...UAN°22ANOe Alaska Resource Data File AN001 Site name(s): Independence Site type: Mine ARDFno.: AN001...accuracy: West of Fishhook Creek, marked with an adit symbol and labeled 'Independence Mine' on the Anchorage |  | | Report (issue) | | GOLD LODE MINING IN THE WILLOW CREEK DISTRICT. By STEPHEN R. CAPPS. INTRODUCTION. Gold mining in the Willow...Willow Creek district in 1917 was confined to the exploitation of the quartz lodes, from which almost...gold recovered from this area was gained by placer mining, the workable placers were soon exhausted, and...mines. Two of these mines, the Gold Bullion and the Alaska Free Gold, have been in operation for many years...produced the bulk of the output of the district. The Independence mine, which has for years been a producer |  | | Report (issue) | | MINERAL RESOURCES OF THE REGION TRAVERSED BY THE ALASKA RAILROAD. By STEPHEN R. CAPPS. INTRODUCTION. ...bridge across Tanana Kiver, in March, 1923, the Alaska Railroad, begun in 1915, was opened for direct...Pacific coast, and Fairbanks, in the heart of central Alaska, a distance of 468 miles (fig. 1). Rarely has ...showing location of the region traversed by the Alaska Railroad. the construction of a railroad of this...in transporting pas73 74 MINERAL RESOURCES OF ALASKA, 1922. sengers and freight to the basins of these |  | Harlan, Stephen S., Vielreicher, Richard M., Mortensen, James M., Bradley, Dwight C., Goldfarb, Richard J., Snee, Lawrence W., Till, Allison B. (2017) Geology and Timing of Ore Formation in the Willow Creek Gold District, Talkeetna Mountains, Southern Alaska. Economic Geology, 112 (5) 1177-1204 doi:10.5382/econgeo.2017.4506 | Journal (article/letter/editorial) | | Ore Formation in the Willow Creek Gold District, Talkeetna Mountains, Southern Alaska* Stephen S. Harlan...4 U.S. 5 State Geological Survey, Anchorage, Alaska 99508-4626 Key Laboratory of Geological Processes...Abstract The Willow Creek mining district was the third-largest lode gold district in Alaska in the 20th...t of gold from associated placer deposits. The district is located in the southern Talkeetna Mountains...quartz veins hosted by granitic rocks of the Willow Creek pluton. A geochronologic study of granitic rocks |  | | Report (issue) | | THE FUTURE OF ALASKA MINING. By ALFRED H. BROOKS. OUTLINE. The Alaska mining industry, which has turned...be credited to the gold and copper deposits, but Alaska mines have also produced silver, platinum, palladium...year to year, such as are more or less inherent to mining in remote regions. This advance was made in spite...output of Alaska up to over $48,632,000, a larger amount than that for any other year since mining began...world-wide depression of the gold-mining industry has also greatly affected Alaska. As a consequence the value |  | | Report (issue) | | LODE MINING AND PROSPECTING ON SEWARD PENINSULA. By J. B. MERTIE, Jr. INTRODUCTION. The lodes of Seward...most part undeveloped. The Big Hurrah mine, in the Solomon district, produced gold from 1903 to 1907 but...been made from the Sliscovich mine, on Manila Creek, in the Nome district, but these were more in the nature...development is still in the stage of prospecting. Lode mining of some of the semiprecious and base metals, however...GOLD. SLISCOVICH. The Sliscovich mine, near the head of Manila Creek, has been described in some detail |  | | Report (issue) | | MINERAL RESOURCES OF ALASKA, 1925 MINERAL INDUSTRY OF ALASKA IN 1925 By FRED H. MOFFIT INTRODUCTION...in the investigation of the mineral resources of Alaska, describing the mineral deposits, and presenting...prompt publication of notes on the more important mining developments of the year and of the principal results...investigations which may be of immediate use to the mining public. The papers included in this volume are...report on the geology and mineral resources of a district makes possible its publication with much greater |  | | 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- - - - - - - - -- - - - - - -.... . . . . . . . . . . . . . . . 14 Cook Inlet-Susitna River region- - - - - - - - - - - _ --- - - - -...- - - _ - - - _ - - - - - - - - - - 16 Redoubt district--- - - - - - - - - - - - - - - - - - - - - - - |  | | Report (volume) | | separate publication ) (A) Mineral industry of Alaska in 1936, by P. S. Smith (published in March 1938)...--------------------_1 (B) 'The Valdez Creek mining district in 1936, by Ralph Tuck (published in March...publications on Alaska. _ _ _ _ _ On back of plate 1 ILLUSTRATIONS Page PLATE 1. Map of Alaska, showing areas...and maps of Alaska.___________________________ In pocket 2. Sketch map of Fortymile district, showing location...gold placer-mining operations.____--__-__-______-_-__--_---_160 3. Sketch map of Eagle district, showing |  | | Report (issue) | | NONMETALLIC MINERAL OCCURRENCES IN THE TELLER QUADRANGLE, ALASKA, SUPPLEMENT TO OPEN-FILE REPORT 75-587 PART A ...on mineral occurrences in the Teller quadrangle, Alaska (Cobb, E. H., 1975, Summary of references to mineral...construction materials) in the Teller quadrangle, Alaska: U.S. Geological Survey Open-file Report 15-587...Paper U.S. Bureau of Mines Report of Investigations Alaska Territorial Department of Mines Pamphlet U.S. Bureau...Branch of Alaska Geology of the Geological Survey. Al (Agiapuk R.) Gold Port Clarence district Teller |  | | Report (issue) | | NONMETALLIFEROUS MINERAL DEPOSITS IN EASTERN SOUTHERN ALASKA TO ACCOMPANY OPEN-FILE MAP 77-169A This report...NONMETALLIFEROUS MINERAL DEPOSITS IN EASTERN SOUTHERN ALASKA (To accompany open-file map 77-169A) By E. M....eastern southern Alaska. The table and accompanying map -are part of the Regional Alaska Minerals Resource...Resource Assessment Program (RAMRAP).for. southern Alaska. They are based on an extensive literature search...Geological Survey and information derived from the Alaska Minerals Resource Appraisal Program (AMRAP) were |  | | Catalog/List | | good stuff that used to come out of the Marencl mine, ~ut the price is a whole lot better. specimens...00 eaoh. CLEANED COPPER AND MALACHITE: Southwest Mine, Bisbee, Arizona: I've had these for a few years...00 each ENARGITE, BOURNONITE, PYRITE, GALENA, SPHALERITE: Various localities, Peru: Check out our Peruvian...each you Just can't go wrong! CRIPPLE CREEK GOLD ORE: Cripple Creek , Colorado: Thie old specimen material...from a collection from Mining Engineer Eben Bebee who first arrived in Cripple Creek, Colorado for the gold |  | | 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 (issue) | | Ore Deposits of the Oilman District, Eagle County, Colorado GEOLOGICAL SURVEY Study made in cooperation...cooperation with the Colorado Mining Industrial Development Board PROFESSIONAL PAPER 1017 Ore Deposits...Deposits of the Oilman District, Eagle County, Colorado By THOMAS S. LOVERING, OGDEN TWETO, and T. G. LOVERING...1017 Study made in cooperation with the Colorado Mining Industrial Development Board Description of the...the ore deposits and geologic setting of a mining district that is the leading source of zinc in Colorado |  | | Report (issue) | | description of the geology, mining history, and production of the major gold-mining districts in 21 States...relations ---------------------------History of gold mining and trends in production_ J\labama -----------...--------------------------Alaska -----------------------------------------Cook Inlet-Susitna region --------------------Copper...J\la:ska region ------------------Southwestern Alaska region ------------------1'ukon region -------...fee County ------------------------------Clear Creek County -------------------------Custer County - |  | | Journal (issue) | | medium gray) and sphalerite (dark gray) with colloform banding, Queen of Bronze Mine; coarse breccia composed...Bronze Mine; sheared chalcopyritepyrrhotite lenses (light) and chloritic matrix (dark), Waldo Mine; mixed...breccia, Turner-Albright Mine; layered sulfide (pyrite, chalcopyrite, and sphalerite) and barite with numerous...numerous barite lenses, Silver Peak Mine. All samples are approximately 10 em across. Photographed by Lowell...workings 1b South workings 2 Waldo 3 Lilly 4 Lyttle 5 Mabel 6 Cowboy 1 I I KILOMETER Figure 2. Geologic map |  | | Report (issue) | | (Pb0.62 Sb0.37 )Σ=0.99 S2.00 . (3) Cripple Creek, Colorado, USA; by electron microprobe, corresponding to...gold, proustite, rhodochrosite, arsenopyrite, sphalerite, tetrahedrite (Săcărı̂mb, Romania); calaverite...tellurobismuthite, altaite, galena, pyrite (Bohuliby mine, Czech Republic). Distribution: In Romania, from...and Baia-de-Arieş (Offenbánya). In the Bohuliby mine, Jı́lové gold deposit, Czech Republic. From the...Glen Rosa mine, Selukwe, Zimbabwe. In the USA, from Gold Hill, Boulder Co., and Cripple Creek, Teller Co |  | | Report (issue) | | deposit. Table 4, part B, gives an alphabetic list of mine and properties followed by the deposit name. CHARACTERISTICS...likely to be present include pyrite, galena, sphalerite, and arsenopyrite (Berger, 1986). These minerals...deposits used in Table 1 may represent a major mine, district name, or local town name or other prominent... Pyrrhotite appears to be been reported in just a single mine in the East Belt of the Sierra Nevada foothills...considered by mine operators to be correlated with better gold grades in both areas. Sphalerite was identified |  | | Report (issue) | | ................................... History of Mining .................................. _..... _.......................................... Torn Scott Mine ..... _.............................................................................. Silver Bill Mine ._ ... _.......................................................... 13 13 13 13 14 14 15 Mystery Mine ................ _........... .............. _...._............ ................ 17 12 Defiance Mine ....... _............... __ ................... |  | | Report (issue) | | describes his recent visits to a small former fluorite mine 2.5 kilometers north of the village of Mihalkovo...border with Greece. Until its closure in 1994 this mine produced fluorite for industrial uses, and, it seems...mixture of siderite and sphalerite after calcite, from the Broken Hill mine, Aggeneys, Northern Cape...=== Siderite/Sphalerite epimorphs after calcite, 14.2 cm, from the Broken Hill mine, Aggeneys, Northern...vividly colorful fluorite specimens from the Berbes mining area, Ribadesella, Asturias, Spain—many to full |  | | Report (issue) | | northward through British Columbia to northwestern Alaska. Although the central theme was invariably concerned...detailed investigations of single ore deposits, or of mining districts, to large-scale regional syntheses,...deposits, Red Dog Creek and Drenchwater Creek areas, northwestern Brooks Range, Alaska I. M. Lange, University...deposits, Red Dog Creek and Drenchwater Creek areas, northwestern Brooks Range, Alaska, 1 MacKevett, E...Kennecott-type copper deposits, Wrangell Mountains, Alaska an update and summary (abs.)» 6 Marshall, Brian |
|
