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| 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 |
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| Montana Mineral Locality Index Downloaded by [University of Nebraska, Lincoln] at 20:00 09 April 2015...NOWN AS THE TREASURE STATE, Montana is rich in mineral and gemstone localities. The state motto, Ora y...with its representation of mining tools clearly proclaim Montana’s mining origins. Montana’s production...known as the duckbill dinosaur. Although a state mineral has not been designated, there are two official...gem and mineral literature has been published describing the occurrence, collecting, mining, and cutting |
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| most important were those in the Central City district, Colorado, from which about 300 tons of high-grade...Silver Cliff mine, Wyoming; the Jesse D No. 1 and No. 2 claims, Utah; and the Merry Widow mine, New Mexico...mines, Washington; the W. Wilson mine, Montana; the White King mine, Oregon; the deposits in the Pryor...deposits in the Dripping Spring quartzite, Gila County, Ariz. According to Nininger (1954, p. 43), as...Shinkolobwe, Belgian Congo, and from the Eldorado mine, Great Bear Lake, Canada. The Shinkolobwe deposit |
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| GEOLOGY AND ORE DEPOSITS OF THE WOOD RIVER REGION, IDAHO BY JOSEPH B. UMPLEBY, LEWIS G. WESTGATE AND CLYDE...D. F. HEWETT Prepared in cooperation with the Idaho Bureau of Mines and Geology Francis A. Thomson,...-___-_..__.__'_______________________ Utah-Bellevue mine------------._-_-______________________ Penobscot...--_--------__-__-________________________ Overland mine.----_--------------_-_____--__._________-_Monday...Scorpion Gulch..__________________________ Climax mine.--.--- -----_-_--___________________________ Rowley |
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| the Geological Survey's annual report entitled " Mineral Resources of the United States" (the volumes for...of a century. During that period, however, the mineral resources of the United States have been enormously...showing the composition and character of each mineral and the location of. its principal deposits. Many...These are only examples of notable changes in the mineral production of the United States and of correlated...changes in the appraised value of some of the mineral deposits. In this list, as in the earlier lists |
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| DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY MINERAL AND ENERGY RESOURCE ASSESSMENT OF THE HELENA NATIONAL...California 1996 NONTECHNICAL EXECUTIVE SUMMARY MINERAL AND ENERGY RESOURCE ASSESSMENT OF THE HELENA NATIONAL...was discovered in the region in Powell County in 1852. Mining began in the 1860's, and since then the...minerals. * At the time of this study, the only mineral production within the Forest is gold from small-scale...undiscovered resources contained in seven types of mineral deposits are made. Statistical descriptions of |
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| ....................................... 102 District of Columbia .................................................................................. Idaho...................................................the Geological Survey's annual report entitled "Mineral Eesources of the United States" for 1882 and 1887...more until 1914. During that period, however, the mineral resources of the United States were enormously...resources of the country. Many changes in the mineral industry other than increase in production have |
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| Mineral Resources of the Eastern Pioneer Mountains, Beaverhead County, Montana U.S. GEOLOGICAL SURVEY...BULLETIN 1766 Mineral Resources of the Eastern Pioneer Mountains, Beaverhead County, Montana By R. C...Cataloging-in-Publication Data Mineral resources of the Eastern Pioneer Mountains, Beaverhead County, Montana. (U.S.... Supt. of Docs. no.: I 19.3:1766 1. Mines and mineral resources-Montana-Pioneer Mountains. 2. Oredep...anomaly data 11 Geochemistry 12 Mineral resources 19 Setting 19 Mining districts in the eastern Pioneer |
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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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| Geology and Mineral Deposits of the Jefferson City Quadrangl...follows: Becraft, George Earle, 1922Geology and mineral deposits of the Jefferson City quadrangl~, ·Jefferson...Ore-depositsMontana-Jefferson C:ity quadrangle. 3. Mines and mineral resources-Montana-Jefferson City quadrangle. I...32 32 33 33 34 Mineral deposits ___________________________________ _ History of mining in the region...__ _ Mineralogy ___________________________ _ Mineral assemblages _______________ _ Paragenesis _______________________ |
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| GEORGETOWN QlJADRANGLE (TOGETHER 'VITH THE EMPIRE DISTRICT) COLORADo· BY JOSIAH E. SPURR AND GEORGE H.... . . . . . . . . . . . . . . . . . . . . . 97 Idaho Springs auriferous area. __ ............. _.. _...larger mineral-bearing area ............. 98 Division of quadrangle into two principal mineral-bearing.... 101 Northeast-southwest mineral belt ....... 101 Existence of a mineral belt in the area of the Georgetown... . . . . . . . . . . . . 101 Extension of the mineral belt of the Georgetown quadrangle ..... _... _ |
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| Geological Survey Board and the Colorado Metal Mining Fund ~ oopr is PUBliC P[O'J>ERTY aud 1• DOt ~re~~o~...__________________________________________ _ 1 Summary of mining districts---.---------------------Introduction..._ Metamorphic rocks ________________________ _ Idaho Springs formation _______________ _ Swandy ke hornblende...Pre-Cambrian deposits _________________________ _ Mine descriptions __________________________ _ 39 39...disseminations_ Cotopaxi mine _____________________ _ Copper deposits in Jefferson County __ _ F. M.D. property |
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| Library] at 00:11 06 November 2014 Eagle Mine, Cilman, Eagle County, Colorado W orld production of zinc...dominated by a single zinc mineral, sphalerite. Fortunately for the collector, sphalerite tends to form well-crystallized...unusually large number of good sphalerite occurrences, the Eagle mine at Gilman holds the record as that...the source of a correspondingly large number of sphalerite specimens. Inasmuch as the minerals of the now-closed...Gilman are the theme of the 2003 Denver Gem and Mineral Show, two Gilman sphalerites have been chosen for |
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| 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 -----------...--------------Cleburne County ----------~----------------- Tallapoosa County --------------------------Alaska...------------------Cochise County -----------------------------Gila County --------------------------------Greenlee...ee County ----------------------------R[aricopa County ----------------------------R[ohave County -- |
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| Mines, Owyhee County, Idaho Victoria E. Mitchell Staff Report 10-7 August 2010 Idaho Geological Survey...University of Idaho Moscow, Idaho 83844-3014 History of the Florida Mountain Mines, Owyhee County, Idaho Victoria...August 2010 Idaho Geological Survey Morrill Hall, Third Floor University of Idaho Moscow, Idaho 83844-3014...History of the Florida Mountain Mines, Owyhee County, Idaho . . . . . . . . . . . . . . . . . . . 1 Introduction.... . . . . . . . . . . . . . . . . 18 Black Jack Mine . . . . . . . . . . . . . . . . . . . . . . . . |
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| Technological University] at 01:12 30 May 2016 Touissit Mine, Oujda, Morocco This unusual specimen consists...shaft 9, Touissit mine, Oujda, Morocco, and purchased there by Victor Yount, a mineral dealer from Warrenton...due to its widespread occurrence as a secondary mineral that occurs with many other desirable species in...found at numerous localities, very few of today’s mining districts are consistent producers of fine anglesite...gravity (6.41, unusually high for a nonmetallic mineral. It is brittle with a conchoidal fracture, is relatively |
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| History .of. mining and.output-___----_-_____ _________________ 66 67 67 Outlook.for mining.__.__.___...Creek__________________________________________ Golden West Mining Co______________________________ Little Annie....placer_________ ___. _ _ 124 Libby Creek Gold Mining Co..____..____._-.._._-..-..- 125 "Dike" on Libby...Libby Creek.._....._.__.._____._-__-.-..... Comet placer.________________________________________ 126...east of Bull Lake fault; B, View in Fisher Creek mine showing thick, gently. dipping bed vein of quartz_-__--_-_-- |
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| stumble over a valuable nugget and stake your own mining claim? Indeed it to is, and author book Jay...points out, is in abandoned mining districts, where valuable mineral ores are present and man generally...commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...provides a comprehensive, alphabetical listing of 400 mineral species and an outline of the essential chemical...RANSOM 1875-1948 An to the Eastern '‘Schoolmarm” Mining Camps of the Old West I I a s I \ h K |
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| DIRECTOR BULLETIN 527 ORE DEPOSITS OF THE HELENA MINING REGION MONTANA BY ADOLPH KNOPF WASHINGTON GOVERNMENT............................ Historical sketch of mining.................................................................................... Marysville district.......................................................... Drumlummon mine........................................... Cruse mine.......:.............................................. Belmont mine................................................. 50 51 51 |
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| willemite, and zincite at Franklin Furnace and Sterling Hill, N.J., have been by far the most important source...geologically unique deposits of Franklin and Sterling Hill, N.J., have been a major source, although recently...and willemite deposits at Franklin and Sterling Hill, N.J. Chemists, unlike geologists, define "oxidized"...United States [Complied from annual volumes of "Mineral Resources of the United States," u.s. Geol. Survey...Alaska.. a Includes 550 tons from Davis, Murray County, Okla. 'Production to 1934 only. PART 1. GENERAL |
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| Director Bulletin 842 OF THE GREATER HELENA MINING REGION MONTANA BY J. T. PARDEE and F. C. SCHRADER...______________________-__-_________--_------___-_ Ophir district.________________________________________________...__________---__--_-___ Austin district._.____..._..._._.____._____.____.___-.___._____ Marysville district.___________...___________________________________________ Gould district._______________________________________________ Stemple...._ Heddleston district.___________________________________________ Wolf Creek district.._..........__ |
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| until 4/28/15 U S $5.99 0 74470 02033 PRINTED IN USA 2 04 THAILAND’S ‘GEMSTONE TRIANGLE’ 2 www.rockngem...................... 26 Europe’s great annual mineral, fossil and gem event The real “gold” at Orogrande...... 36 A very special educational event Gollar Mine Barite and Sulfides ......................... 60...rock and mineral collection (www.perotmuseum.org). Some colleges and universities also have mineral collections...frame. But many colors came to me, with a cubic mineral that I could see, It’s name fluorite, and what |
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| CIRCULAR 277 PRELIMINARY REPORT ON THE COMET AREA JEFFERSON COUNTY MONTANA UNITED STATES DEPARTMENT OF...CIRCULAR 277 PRELIMINARY REPORT ON THE COMET AREA JEFFERSON COUNTY, MONTANA By George E. Becraft This report...25, D. C. PRELIMINARY REPORT ON THE COMET AREA JEFFERSON COUNTY, MONTANA By George E. Becraft CONTENTS..... Structural features ...................... Mineral deposits ............................. General...4 4 5 5 5 Mineral deposits Continued Older deposits .......................... Comet mine .......... |
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| ............................................v Mineral Locations by State Alabama .................................................................139 Idaho..............................................................477 Appendix F - Classification of Mineral Deposits ........................................year I vacation in the field, collecting gem and mineral samples somewhere in the United States or Canada...enough information to be useful to most gem and mineral collectors. Generally, Minerals are capitalized |
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| ............................................v Mineral Locations by State Alabama .................................................................139 Idaho..............................................................479 Appendix F - Classification of Mineral Deposits ........................................year I vacation in the field, collecting gem and mineral samples somewhere in the United States or Canada...enough information to be useful to most gem and mineral collectors. Generally, Minerals are capitalized |
