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| Bulletin 940-1 TUNGSTEN DEPOSITS IN THE BORIANA DISTRICT AND THE AQUARIUS RANGE MOHAVE COUNTY, ARIZONA....................................... Properties west of Williams mine..................... Conclusion... 259 III TUNGSTEN DEPOSITS .IN THE BORIANA DISTRICT AND THE AQUARIUS RANGE, MOHA.VE COUNTY, ARIZONA...associated with granitic rocks occur in the Boriana district and the Aquarius Range of Arizona. The Boriana...largest produc-ers in the United States. The mine is in an elongate belt of phyllite, striking northeastward |
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| BERYLLIUM AND TUNGSTEN DEPOSITS OF THE IRON MOUNTAIN DISTRICT SIERRA AND SOCORRO COUNTIES NEW MEXICO BY RICHARD...of Discovery Gulch.......................... West Slope area...........................................Strike-Tungs ten Reef area......................... Scheelite' Gem deposits................................................... Reserves and outlook for the district...................... Beryllium deposits........ IV Page Mining claims in the Iron Mountain district, Sierra and Socorro Counties, N. Mex.... In pocket |
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| FAIRBANKS DISTRICT. By J. B. MEIITIE, Jr. INTRODUCTION. Gold lode mining in the Fairbanks district continued...mines, however, were operated in the Fairbanks district in 1916, producing gold valued at nearly $40,000...yearly production of lode gold and silver in the district since 1910, when the lodes were just beginning...Lode gold and silver produced in the Fairbanks district, 1910-1916. Year. 1910........................beginning of antimony mining in the Fairbanks district, the mining developments in 1915, and the occurrence |
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| of the peninsula, it was deemed desirable to ascer»An Exception to this statement is the silver-lead deposit...between Council on the east and Cripple River on the west, were visited and the country rock in the vicinity...vicinity of the richest placers was studied in an attempt to determine something more concerning the relations...Mendenhall): Special Pub., 222 pp., 23 pis., 1901. An occurrence of stream tin in the York region, Alaska...of Seward Peninsula as a whole is here quoted from an unpublished manuscript by A. H. Brooks: The bedrock |
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| showing location of the Minerva district. Index amp of the Kinerv* district allowing pzindpal veins and fiwlts...portion of the Kinerv* district. Serlfcce map of the Hilltop sting, Minerva district. _ I* 1U 15* 16. lap...Chief vein. Scheelite Chief adne^ eoopoelte amp. Scheelite Chief nine, vertical projection of west workings...workings. Scheelite Chief vine* vertical projecticn of east workings* Silver Bell nine, composite amp* Silrer...the Bterlt rein* teet Sverlt mine^ coaposite sap. West Everlt mlnej, vertical projection* Vest Evertt mine |
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| "ore-bearing zone" 1'ead "ore-bearing zone of the Knaben district," and transpose the paragraph with that following...somewhat similar to that of tungsten and vanadium. Hence an increased demand has sprung up for molybdenum ores...remark able properties, which are now manufactured on an exten sive scale. Owing to the shortage of tungsten...differs in yielding sulphur dioxide on heating in an open tube. The specific gravity is about 4·7. When...Wulfenite appears to be isomorphous with stolzite and scheelite, and often contains some lime, as well as small |
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| OCCURRENCES .............................. Petaca mining district, Rio Arriba County ........................................................ 26 Bromide mining district .......................................................................... 42 Santa Fe mining district .......................................................................... 43 Tecolote mining district ......................................................................... 43 Magdalena mining district ............................................. |
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| metamorphlsm......................... Occurrence of scheelite...................... Distribution, grade, and........ Distribution .of scheelite......................... Grade of scheelite ore................................ 108 109 110 Minor occurrences of scheelite....................... 110 III IV ILLUSTRATIONS...Cupric Mines Co. property, San Francisco mining district, Beaver County, Utah............................the Old Hickory mine and vicinity, Rocky mining district, Beaver County, Utah.............. Plan and sections |
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| (Granite Range) Donnelly Flanigan Galena Jumbo (West Comstock).. Leadville Little Valley. Lone Pine Olinghouse...ent of each mining district was restricted to a short statement, but accompanied by an excellent bibliogÂ...Information Cir culars. . . . In planning to make such an exhaustive seaich ol mining litc l ature on Nevada...private reports, has been classified into county and district i files, and while all this material cannot be...Counties 9 miners met and defined the limits of the district, made regula| tions. and appointed a recorder |
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| George Fast's mine, near La Trinidad, Sahuaripa district, Sonora, MexicoVII. Ends of radial plates of molybdenite...known molybdenum deposits of South America and the West Indies_____-______ 3. Principal known molybdenum...reviews uses, demand, and prices. An attempt is made in this paper to give an epitome of the world's larger...copper deposits, and wulfenite is in certain regions an oxidation product of lead veins. The minerals of...molybdate; erosite, a vanado-molybdate of lead; jordisite, an .amorphous sulphide of molybdenum: and pateraite |
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| and Owyhee County, Idaho, is an area of rugged mountains that reach an altitude of almost 11,000 feet...conglomerate and light-colored silicic tuffs and by an extensive blanket of intermediate to silicic tuff...the quadrangle are apparently downthrown on the west. Ml M2 CONTRIBUTIONS TO GENERAL GEOLOGY The...gold-silver veins and scheelite-bearing tactite. INTRODUCTION The Jarbidge quadrangle embraces an area containing...containing an unusually extensive and varied succession of volcanic rocks of rhyolitic to basaltic composition |
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| Geologist C. A. LOGAN, District Mining Engineer C. McK. Laizure, District W. Burling Tucker, Reid...Engineer District Sampson, Assistant Mining Engineer District Engineer Chas. V. Averii.l, District Mining...Mining Engineer J. C. O'Brien, District Mining Engineer George John Gary, Mineral Technologist L. ... CONTENTS Page REPORTS OF DISTRICT MINING ENGINEERS Sacramento Field District 6 7 Mines and Mineral Resources...the State Mineralogist for many years has issued an annual or a biennial report reviewing in detail the |
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| minerals_________ Beryllium as an essential constituent in minerals..__ Beryllium as an accessory constituent...Lincoln County__-__-----_-----_-----___ Tern Piute district....... __ ___ ... Mineral County____-_______________...__ Rawhide district____ .________..__ Nevada Scheelite mine.. _ ______ Hooper No. 2 mine __ _____ _ _...mine_______________ Desert Scheelite and Gunmetal mines, Pilot Mountains_____________.____ Desert Scheelite mine........magnesite deposits. __ Pershing County __ Rocks in the West Humboldt Range ..~ Limerick Canyon area... ________ |
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| a so f Tungsten Deposits in the Fairbanks District Alaska w T GEOLOGICAL SURVEY BULLETIN 1024-1...1024-1 Tungsten Deposits in the Fairbanks District Alaska By F. M. BYERS, JR. MINERAL RESqURGES GEOLOGICAL...ALASKA BULLETIN 1024-1 Description of the scheelite deposits in relation to geologic features, with...scheelite_____________________ Distribution of scheelite-----______-_----------__-_---_Localization of...rocks and scheelite lodes northeast of Fairbanks, Alaska. 24. Geologic map showing scheelite deposits |
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| Carolina, South Carolina, Tennessee, Virginia, and West Virginia VOLUME 3: THE NORTHWESTERN QUADRANT ...Oklahoma, Texas, ind Utak by Allan ‘VV. Eckert AN AUTHORS GUILD BACKINPRINT.COM EDTION 3 1336 05877...without the permission in writing from the publisher. AN AUTHORS GUILD BACKINPRINT.COM EDITION Published by...quadrant of the 48 contiguous states, and each volume is an entity in itself, complementing the others but not...gravel pit, prospect, mine, etc.). Let’s take, as an example, under the heading of Arizona, on the map |
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| of locating zeolitized tuff beds, is, essentially, an extension of a report by the author (1962) on the...volcanic siltstones and sandstones. This member contains an ignimbrite (welded tuff) layer that occurs throughout...throughout much of the area under discussion, and forms an excellent stratigraphic reference horizon. The upper...100 feet above the ignimbrite layer. In some areas, an ashfall layer that lies in contact with the basal...deposits occur within the Picture Gorge quadrangle in an area described previously by the author (1962), and |
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| Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...COLUMBIA Ice River complex. The Ice River complex is an intrusive body of alkaline igneous rocks where sodalite...ilmenite specimens have come from an unusual calcite vein-dike occurrence with an exposure very near, indeed...2008, when extensive blasting for construction of an extension to High,, ay 5 revealed veins of massive...(Weibel, 1980). The Maderanertal drainage flows west-southwest from a mountain massif to join the Reuss |
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| ______________________________ Location and area of the district! _ _______________ Typography ________ __ ______...Nome across the tundra; B, Glacial cirque 1 mile west of pass between Windy Creek and Cobblestone Riv...Creek____________________________ 24 I.. A, Summer remnants of an ice sheet that covered the flood plain of'a stream...problems of stratigraphic and economic geology of the district could be achieved only by means of detailed surveys...them in essentially its original form, with only an incomplete statement of detailed stratigraphy and |
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| tungsten concentrates but the largest producer of scheelite and ferberite, and in 1918 it was by far the largest...this country in 1918, 2,734 tons was scheelite, and of this scheelite 1,427 tons was obtained from contact-metamorphic...or replaced by an aggregate of garnet, epidote, diopside, quartz, calcite, scheelite, and other minerals...tungsten mineral of such deposits is invariably scheelite. Distribution. Most of the known contact-metamorphic...difficultly detectable scheelite in paying quantities. Indeed, the scheelite in the Oregon and Arizona |
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| districts . Alder district-Aura district -Beaver district Black Mountain district Bootstrap district Burner district...Basin district-- -Carlin district Cave Creek district ----Charleston district_--Coal Mine district~ Contact...Contact district Cornucopia district - -Corral Creek district - Decoy district Delano district Delker districtDivide...districtDivide district - Dolly Varden district --Edgemont district---Elk Mountain district-----Elko district ' Ferber...Ferber district -Ferguson Spring district Gilbert Canyon area-----Gold Basin district Gold Circle district |
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| Picture: Darwin Falls Canyon BELOW THE FALLS LOOKING WEST, NEAR Darwin (courtesy Calif. Div. Mines) Other...PERSONALLY SPEAKING... WITH OUR THIRD ISSUE, WE ARE TAKING AN IMPORTANT STEP FORWARD BY THE INTRODUCTION OF A NEW...Just prior to publication, we received word from an authorita SOURCE THAT THE 1951 CONVENTION OF THE...30 YEARS UNDER MANAGEMENT OF A BRITISH SYNDICATE. WEST COAST GEM DEALERS ARE EXPECTED TO HANDLE DISTRIÂ...PRESIDENT OF THE NEW CORPORATION WHICH HAS ACQUIRED AN OPTION FROM THE BRITISH OWN ERS, THERE ARE MILLIONS |
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| CHALCEDONY NEAR GERONIMO, ARIZONA........................ AN INTERESTING SPECIMEN. By Peter Zodac ................ SHATTERED CRYSTAL CAVITIES OF THE PATERSON DISTRICT. By W1n. C. Casperson ..........................commercial use as they are too weak for timber or lumber. An unsuccessful attempt was made to manufacture paper...renewed activity at the old mines. The mines in this district have beeu operating for many years but a few years...tungsten from mines within a two mile radius. The scheelite ·was identified in a railroad cut after it had |
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| Geologist C A. Logan, District Mining Engineer C. McK. Laizure, District W. Burling Tucker, Reid...Reid J. Frank Sanborn, District Mining Engineer District Engineer Mining Engineer Mineral Technologist...Ore-Buyers' Inspector Henry H. Symons, J. C. District Sampson, Assistant Ohas. V. Averill, John ...Reports of District Milling' Engineers Redding Field District Sacramento Field District San Francisco...Francisco Field District Los Angeles Field District Mineral Development and Mining Activity in Southern « California |
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| dikesthat cut metadiorite; (2), in lens-likemassesalong an inclined contact bet•veen limestone and metadiorite...within the limestone, but contain only traces of scheelite. It is believed, however, that such zones represent...occursin a string of pegmatiticlensesthat lie within an intrusive metadioriteparallel to its inclined contactwith...berylandoligoclase are theoutstanding minerals associated with scheelite; in the other, oligoclase andphlogopite aretheprominent...associatedwith the scheeliteare numerous and varied. The scheelite-bearing dikes are also.most irregularly mineralized; |
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| Published by Van Nostrand Reinhold Company Inc. L35 West 50th Street, New York, N.Y. 10020 Van Nostrand Reinhold...Data Pemberton, H. Earl, 1907Minerals of California. An updating of: Minerals of California: centennial volume...prepared as a report to the State Board of Agriculture an "Annotated Catalog of the Principal Mineral Species...dominant ma.fie mineral; adj. noritic. oxidized zone An area of mineral deposits modified by surface waters...see secondary mineral. pseudomorph A mineral with an outward crystalline form that is that of another |
