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| LODE MINING IN THE FAIRBANKS DISTRICT. By J. B. MEIITIE, Jr. INTRODUCTION. Gold lode mining in the Fairbanks...Fairbanks district continued in 1916, with a small production. The cost of power and supplies has increased...prospecting. Most of the operators having high-grade gold ore do not care to continue work under present conditions...concerned in the gold mines is to await the coming of the Government railroad to Fairbanks, the expectation...Eight gold lode mines, however, were operated in the Fairbanks district in 1916, producing gold valued |
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| MINING IN THE FAIRBANKS DISTRICT. By HENRY M. EAKIN. INTRODUCTION. The writer devoted about 10 days...investigation of the recent mining developments in the Fairbanks district. This time was insufficient...1914 about 125 placer mines were operated in this district, employing some 1,200 men. Statistics of winter...over 50 mines were worked. The value of the placer gold produced in 1914 is estimated at $2,500,000, compared...Vault, Little Eldorado, Goldstream, Engineer, and Fairbanks creeks. The falling off in output is to be interpreted |
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| DEPOSITS OF THE FAIRBANKS DISTRICT, ALASKA BY JAMES M. HILL Investigations in Alaska Railroad belt, 1931...History of mining.__________________________________________ Economic factors affecting mining.________...data._____-___-______-_-----____-__-_--___.-____ Gold lode deposits----_-----__-_--_--_-----__--_-_---_-------...71 73 IV CONTENTS Economic geology Continued Gold lode deposits Continued Mines and prospects...-...__-----__._..Cleary Creek.______________________.___ Fairbanks Creek________-_____.__________________Goldstream |
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| H. MANNING. Director I HE MINING INDUSTRY IN THE TERRITORY OF ALASKA DURING THE CALENDAR YEAR 1915... BY SUMNER S. SMITH United States Mine Inspector for Alaska ENGINEERING \Y* WASHINGTON GOVERNMENT...MINES H. MANNING. Director THE MINING INDUSTRY IN THE TERRITORY OF ALASKA DURING THE CALENDAR YEAR 1915... BY SUMNER S. SMITH United Stales Mine Inspector for Alaska WASHINGTON GOVERNMENT PRINTING 1917 ... Introduction New gold-mining districts Mineral production Placer gold Lode gold Copper Tin Antimony |
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| LODE MINING NEAR FAIRBANKS. By THEODORE CHAPIN. INTRODUCTION. The occurrence of auriferous quartz veins...for a number of years, but until recently quartz mining has received relatively little attention. In the...opened. 'The total lode production for the Fairbanks district is about S674,00Q. In 1911 the production...produced in 1912. The estimate of the value of the gold-lode production in 1913, based on incomplete returns...In 1913 the writer spent a few days in the Fairbanks district to study the occurrence of lodes and to gather |
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| known Ho contain antimony ora in the Fairbanks district, Alaska, and inset showing the location of deposits...Dome gold salt. Rrv{i»>0r>u ore. J Abstract Antimony-bear ing ores in the Fairbanks district, Alaska...points 10 miles west and £3 miles northeast of Fairbanks; and one of two minor areas lies along this same...ores were exposed largely as a result of lode gold mining, but at two periods in the past, high prices...economic faetors, which greatly affect prospecting and mining for stibnite ore in the area, are outlined. The |
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| MINERAL RESOURCES OF ALASKA, 1915. By ALFRED H. BROOKS and others. PREFACE. By ALFRED H. BROOKS. This...of annual bulletins * treating of the mining industry of Alaska and summarizing the results achieved during...particular district are thereforeurged to procure a copy of the complete report on that district as soon...the year and summaries of the condition of the mining industry, including statistics of mineral production...the mining industry for the years which they cover. Lack of funds prevents a visit to every mining district |
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| groups of claims are held in the iron-bearing district. Three of these the Mogul, Monarch, and Galena...about 14 miles. 361 362 MINERAL RESOURCES OF ALASKA, 1914. GEOLOGY. The bedrock of the iron-bearing...Hematite, galena, pyrolusite, and small quantities of gold also occur as accessories in some of the lodes....Collier, A. J., and others, The gold placers of parts of Seward Peninsula, Alaska : U. S. Geol. Survey Bull...about equal amount. 364 MINERAL RESOURCES OP ALASKA, 1914. The veinlets appear to comprise only a |
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| MINERAL RESOURCES OF ALASKA, 1918. By G. C. MAIM-IN AXD OTHERS. PREFACE. By G. C. MARTIX. This volume...of annual bulletins l treating of the mining industry of Alaska and summarizing the results achieved during...particular district should therefore procure a copy of the complete report on that district as soon as-it...others of the series, contains an account of the mining industry, including statistics of mineral production...shall serve as" convenient reference works on the mining industry for the years which they cover. It is |
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| LODE MINING AND PROSPECTING ON SEWARD PENINSULA. By J. B. MERTIE, Jr. INTRODUCTION. The lodes of Seward...undeveloped. The Big Hurrah mine, in the Solomon district, produced gold from 1903 to 1907 but has not...shipments of gold ore have been made from the Sliscovich mine, on Manila Creek, in the Nome district, but these...two properties, gold lode development is still in the stage of prospecting. Lode mining of some of the...studies, will be published later. GOLD. SLISCOVICH. The Sliscovich mine, near the head of Manila Creek |
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| RECONNAISSANCE FOR RADIOACTIVE DEPOSITS IN EASTERN INTERIOR ALASKA, 1946 This report concerns work done on behalf...RECONNAISSANCE FOR-RADIOACTIVE DEPOSITS IN EASTERN INTERIOR ALASKA, 1946 By Helmuth W edow, Jr., P. L. Killeen, and... . . . . . . . . . . . . . . . . . . . . Fairbanks district . . . . . . . . . . . . . . . . . . . . ...Radioactivity studi'es. . . . . . . . . . . . . . . Alaska. Highway belt ....... ~ ........... Geology .....River valleys-Con. Areas investigated-Continued Alaska. Highway belt-Continued Radioactivity studies-Continued |
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| Yukon and Tanana rivers to Lake Minchumina and the North Fork of Kuskokwim River. It reaches from the longitude...general way the 1 Hcrron, J. S., Explorations in Alaska, 1899: War Dept., Adjt. General's Office, No. 31...1-77, maps, 1901. 211 212 MINERAL RESOURCES OF ALASKA, 1915. Yukon-Kuskokwim divide. A pack train of...drainage lines. The plains border the uplands on the north, east, and south, extend broadly into the principal...trend and lies very close to the course of the North Fork of Kuskokwim River. The northeasterly trend |
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| THE FUTURE OF ALASKA MINING. By ALFRED H. BROOKS. OUTLINE. The Alaska mining industry, which has turned...worth of gold from placers near Juneau. Of this total value 96 per cent is to be credited to the gold and...and copper deposits, but Alaska mines have also produced silver, platinum, palladium, tin, lead, antimony...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 |
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| of Metallic and Nonmetallic Mineral Deposits of Alaska Compiled From Published Reports of Federal and...of metallic and nonmetallic mineral deposits of Alaska, compiled from published reports of Federal and...resources Indexes. 2. Mines' and mineral resources Alaska. I. Kachadoorian, Reuben, 1921-, rjoint author...quadrangle_________-___________-j________________________ Fairbanks quadrangle_________________________-_________________...investigations__________________---_-_----____-__ Territory of Alaska Department of Mines pamphlets____________--_ 360 |
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| ...................................... Sky City mine area .................................................................................... Bondholder district ............................................................................. Creede mining district ............................................................................ Spring Creek-Bondholder Meadows ............................................................ Wannamaker Creek-Sky City mine area .......................................... |
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| White River National Forest and Dillon Ranger District of the Arapaho National Forest. The information...(Table 1) is a database arranged alphabetically by mine name, that lists the mineralized area, 7-1/2 minute...and longitude location for each mine, sorted alphabetically by mine name. Some mines have several openings...METHODOLOGY The authors painstakingly located each mine on current 1:24,000 topographic maps using geologic...published literature were plotted, but a single mine may contain multiple named adits and/or shafts. |
 | Doe, B. R., Steven, T. A., Delevaux, M. H., Stacey, J. S., Lipman, P. W., Fisher, F. S. (1979) Genesis of ore deposits in the San Juan volcanic field, southwestern Colorado; lead isotope evidence. Economic Geology, 74 (1) 1-26 doi:10.2113/gsecongeo.74.1.1 | Journal (article/letter/editorial) |
| other deposits (Summitville, Jasper, Red Mountain district) have values of 2ø•Pb/•ø4Pbsimilar to those of...have lead isotopiccompositions that are portant mining districts. Studies of lead in the as- more radiogenicthan...applied specificallyto the ores in the Creede district by Bethke et al. (1973) and by Stevenand Eaton...Eaton (1975) and to ores of the Eureka district by Casadevalland Ohmoto (1977). Interaction between lneteoric...to 1976 none had been proven economic. The many mining calnpsof the San Juan Mountains have producedabouta |
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| Reston, VA 22092, USA ‘Physics Department, University of California, Berkeley, CA 94720, USA (Received October...Mountains of Colorado, and the Alleghany mesothermal gold-quartz veins in the Sierra Nevada metamorphic belt...(mold) (X 103 (i 109 SALTON SEA (California. USA) Scientific Drillmg Pro@ K/Cl Cammcnla 0.10 *...2320 Qu== ~isd 5co.6oob 3flb CREEDE (Colorado. USA) Tcniary Epithcnnal Polymclallic Veins PBB-89;12-68(h)...0.1 0.65 f 0.02 1.92 (1) 14 (1) 0.10 (1) Bondholder area P? 239-289 0.0 0.0 SPS 152.257 -2 |
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| "Whatever is gold does not glitter. A gentle radiance belongs to the Friedrich Nietzsche, The Wanderer...5.1 cm high from Eagle's Nest mine in Placer County, Caifornia, USA Collection Marlin Zinn; photo Jeff...photo Left: A wall of gold bricks in the Federal Reserve Bank of New York's gold vault Photo Robert Gambee...Crystallized gold from Canada Private collection; Jeff Scovil photo extraLapis English No. 5 Gold The Noble...International, LLC P.O. Box 263, East Hampton, CT 06424, USA Phone 1.860.267.1512; fax 1.860.267.7225 www.lapisint |
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| International University] at 22:16 23 December 2014 Gold mining is not romantic, it is dirty, and it is very...played out on a daily basis in opening the Colorado mining frontier, however, are very much the stuff of romance...the Colorado mineral belt and the location of the mining districts discussed in part 1 of the text. increase...for several generations. That word of Pikes Peak gold began to circulate, a quick and easy story, with...scope of this mining economy. There simply was no other ecoThe initial Front Range-area gold discoveries |
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| _.......................... . Situation of the district. ....... ____ . __ .. __________ ................ _. ___ ....... _..... _... _..... __ .. The district. __ ... ____ .... __ ... ___ ... ___ .. ____ .... _. __ ..... __ . _.. __ ...... . History o.f mining .. ___ .. ______ .... _. ________________ . __...____ .... _____ .. CHAPTER IV.-Structnre of the district. ................... _............. _....... __....... _____ . _____ . General structure of the district ......... _....... _............. _... ___ .. |
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| Place Tucson, AZ 85741 ‘ Continued on page 111 Gold! Introduction G old notes from the e d i t o r ...Birch 5 California The history of crystallized gold in C a lif o r n ia ................ 33 by W. C...otable gold occurrences of G eorgia & A labam a . . . . 65 by R. B. C ook N o rth C arolina gold ........hat's new in gold? Venezuelan gold (by W. E. W ilson) .......................... 89 A rizona gold (by W. E...89 Siberian gold (by W. E. W ilson) ................................. 89 C alifornia gold (by D. L e ic |
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| generally from west to ea.st in rows of sections from north to south. The so-called mines are not by any means...beds 1 I. X. L. MINE JESSIE MINE, HATTIE TUNNEL 3 JESSIE MINE, QUINCY TUNNEL 4 JESSIE MINE, GLENWOOD TUNNEL...JESSIE MINE, JESSIE TUNNEL 6 HAMILTON MINE CASHIER MINE FOX LAKE MINE SULTANA MINE. 10 IRON MASK MINE 11...CORPORAL MINE 1Z KELLOGG MINE 13 JUMBO MIN"E 14 EUREKA SHAFT 15 . STANDARD MINE 16 EXTENSION MINE 17 LJGHTBURN...BROOKS-SNYDER MINE 20 FINDING SHAFT 21 BULLION KING MINE 22 ALICE A. TUNNEL 23 NEW YORK MINE 24 JOHANNESBURG |
 | Plumlee, Geoffrey S., Streufert, Randall K., Smith, Kathleen S., Smith, Steven M., Wallace, Alan R., Toth, Margo I., Nash, J. Thomas, Robinson, Rob A., Ficklin, Walter H., Lee, Gregory K. (1995) Map showing potential metal-mine drainage hazards in Colorado, based on mineral-deposit geology. Open-File Report Vol. 1995 (95-26) US Geological Survey doi:10.3133/ofr9526 | Report (issue) |
| City Idaho Spr. Empire V 40° North Gilpin er Riv ue Bl lo Co Gold Hill Boulder Grand Island - Sugarloaf... Trout Creek Crested Butte Free Gold r ive nR so nni Gu Gold Brick Calumet Whitehorn iso Brown's...Maysville Tomichi Uv iver F Poncha Spr. Gunnison Gold Belt Cochetopa sR nsa a Ark Pitch Cañon City...Us Placerville Telluride Sagu ache Cree k Bondholder Galena Creede Creede Carson Camp r ive Ri...molybdenite). Waters draining underground workings and mine dumps have pH values that range from 2.5 to 5.5; |
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| Goias, Brazil (De!Re, 1994), and the Mananjary district, Madagascar (Anon., 1998). The Chivor emeralds...abundant than the eightlings particularly in the north interior of the Cove where rutile was mined in the...1840s. The Richardson farm just northeast of the mining area was a famous early collecting area but was...Ownership: Excalibur Mineral Corporation, 1000 North DivisionStreet, Peekskill, NY 10566-1830. Publisher:...rutile crystals from the Magnet Cove Rutile Company mine that are very common and abundant and still can |
