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| 741 THESJARBIDGE MINING DISTRICT, NEVADA WITH A NOTE ON THE CHARLESTON DISTRICT BY FRANK C. SCHRADER...Great Basin province. Snake River valley 1 _ _ Jarbidge Mountains _ Geology Sedimentary rocks Paleozoic...prospect_________ --63 Success mine _ 63 Jarbidge Central prospect 65 Buckeye mine __ 65 Cold Spring mine_...mine_ __ 66 Norman mine- _ ; 66 Moore prospect __ _ _ ' 68 Mines and prospects on the east veins 69 Altitude...Bullion prospect '. 72 Ben Hur prospect _ 74 Ajax prospect__________________ _ '74 Candy prospect _ 75 Red |
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| Pittsylvania counties, Bedford County, Grayson County, Fauquier County' Roanoke and Botetourt counties...Pyrite ------Chalcopyrite -:----------Oxides -----Quartz -.----.Limonite 3 I 4 4 6 6 General t 7 I...development _________, _____ Zs Prospecting ____-__ .r Mining and washing methods _____-____ Zs Commercial factors...Saunders mine ________ _________ 3l Phillips mine and prospect 32 Alteration of wall rock Hewitt mine ________...Mattox mine _-______ Cundiff prospect - Bragg mine ________ Haden ' Wood prospect Arthur mine ________ Ifamner |
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| left). Calcite, 5.5 cm high, Elmwood mine, Smith County. Terry Huizing specimen, Jeff Scovil photo. Figure...(above). Fluorite, 13.1 cm wide, Elmwood mine, Smith County. Francis Benjamin specimen, Jeff Scovil photo....Smith County. Terry Huizing specimen and photo. Figure 4 (right). Cumberland mine, Smith County. Travis... minerals, and mineral resources of the state. Mining has been an important part of Tennessee industry...not seem to filter down to the collector. Major mining districts that are mineralogically simple occur |
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| .____________________________ McCallie Tunnel prospect..._______________________ Bennett mine_._____..._________________________________ Bennett prospect.____________________________________ Summit Knobs area...__________ Willie Moore prospect____________________________ J. F. Smith prospect--_-_------_--_____-_-__-___--...-_-__-___--. Indian Mound district.-...-_-_-----_____---__.____________________ Geomorphology. _____...---------------------...._______-_.____-__. Elizabethton district----------.-------------..__-__-.__--_--.____ References |
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| ................................ Cartersville district, Ga............................ Gerae s mine........... VI. C. Pope prospect.............................. R. Stockdale prospect..........................'..... W. L. Moore prospect............................. Hughes prospect..................................... Pope-Hughes prospect............................. Augusta mines........................................ Daughdrill prospect.............................. North of Bluffton...................... |
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| P. Blake, professor of mineralogy, geology and mining at the College of California, parent to the University...California, and published in the fourth and sixth State Mining Bureau reports. Then beginning in 1914 with a volume...platinum - have been found mainly in the Sierra Nevada and the Klarnath Mountains provinces. These mountain...are reported by county of occurrence. Map 1-2 shows the county boundaries and county names. When possible...PLATEAU I7 COAST RANGES 7 GREAT VALLEY :2f SIERRA NEVADA ~ BASIN RANGES Ell MOJAVE DESERT II TRANSVERSE |
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| Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North...Size Categories Dana's Classification of Minerals Quartz Family Gemstones The Various Names and Forms of...ancient gems), calcite, fluorspar, jadeite, pyrite, quartz family minerals ( agate, carnelian, chalcedony...C. from mines in Kenya. This amorphous form of quartz, with its brilliant flickering of rainbow colors...of commercial mining is also long, beginning with the Kenya opal mines of 4000 B.C. Mining began with gemstones |
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| from 18’ to 27’ long. In addition, gem Garnets, Quartz crystals, Topaz and Tourmaline add to the fascination...beds, excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...gray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides...gravels, etc.petrified wood, wood opal. CORSON COUNTY LITTLE EAGLE: area ridges, slopes, stream beds...Guide for Rock Hounds in the United States CUSTER COUNTY AREA: The November Mine, 1.2 mi. SE of the Needles |
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| ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay...HIGHLAND COUNTY SINKING SPRING, area ore deposit (most important in Ohio) ⎯Hematite. HOCKING COUNTY AREA |
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| ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay...HIGHLAND COUNTY SINKING SPRING, area ore deposit (most important in Ohio) ⎯Hematite. HOCKING COUNTY AREA |
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| Fluorspar Deposits, Big Four Fault System, Crittenden County, Kentucky GEOLOGICAL SURVEY BULLETIN 1042-S...DEPOSITS OF THE BIG FOUR FAULT SYSTEM, CRITTENDEN COUNTY, KENTUCKY By GEORGE C. HARDIN, JR., and EGBERT...fluorspar district, is a complex northeastward-trending system of steeply dipping normal faults. Mining activity...pyromorphite, anglesite, cerussite, marcasite, and quartz. More than half of the mined fluorspar came from...mineralized faults in the Kentucky-Illinois fluorspar district, which straddles the Ohio River in southern Illinois |
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| information supplied by officials of mining companies and provincial mining departments have enhanced the value........... .. Pegmatitic quartz veins .... .. ......... ... ....... ... Quartz veins ... ... .. .........and stock-work deposits ..... .. ... .. .. . Gold-quartz veins ..... .. ....... .. .. .... .. .. Veins of......... .... ..... .... .... .... ... . Kenora district (Patricia portion) .... ... .... . Red Lake area... .. .. .. .... .. .... .. ...... ... . Kenora district...................... .... .. ............. . |
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| Deposits of the James River-Roanoke River Manganese District Virginia GEOLOGICAL SURVEY BULLETIN 1008 Geology...·Deposits oftheJatnes River-Roanoke River Manganese District Virginia By GILBERT H. ESPENSHADE GEOLOGICAL...particularly manganese, of the James River-Roanoke River district UNITED STAT.ES GOVERNMENT, PRINTING. OFFICE•..._______ _ ___ _____ _____________ ________________ Quartz veins__________________________________________________...production________________________________________ Prospecting, mining, and milling methods_________________________ Descriptions |
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| __________________________________ _ History of mining ________________ ·__________________ _ Production...__ _________________________ _; _____ _ Barren quartz veins ________________ _ Mineralized zones ___________...___ _______________________ _______ _ Fauquier County ____ ______ ______ _____ _____ _ Franklin ____...properties _________ .. _____________ _ Halifax County ______ - _____ - __________ ~- _'- __ _ Virgilina..._____ _ ____ __ ... _________________ _ Orange County-· ___________________________ _ Melville ____ - |
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| locall - rs where amomeor prospectors m a y still prospect f o r gems mai t e a l s a n d a l s o fossils...streams and rivers f o r epidote, unakite, blue quartz, agate, chalcedony, petrified wood and other gemstones...dollars at the noted locality of Cowee Valley, Macon County, North Carolina. An enthusiastic family found and...visited the well known old Rutherford mine in Amelia County, Virginia, and found bright spessartine garnets...green gem spodumene, was discovered in Alexander County, North Carolina, in 1880 and named for one of its |
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| Alabama, University, Ala. Department of :ty.lines, Mining and Geology State Division of Conservation Atlanta...Jr ___________________________ _ Relationship of mining to other economic sectors, by Albert E. Schreck...Manmade features _____________________ _ Strip mining ______________________ _ Subsidence ________________________...265 Tripoli and rottenstone__ __ _____ ___ __ 266 Quartz abrasives____________________ 266 Artificial a...Shirley_______ Types of mica, uses, and prices___________ Mining and preparation_________________ History and p |
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| studies are brought together in this paper. The district is one of peculiar interest,, having a complicated...prepared with especial reference to the needs of the mining industry, and in such form that its conclusions...practical benefit in developing the industry in this district. Very respectfully, C. W. HATES, Geologist in........... Location and general features of the district............................................................................................... Mining............................................... |
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| theseplutons contain the assemblage hornblende + biotite + quartz + two feldspars + titanite + magnetite in apparent...additional hornblende * Present address: Dames and Moore, Prospect Hill, 300 Fifth Avenue, Waltham, Massachusetts02154...calc-alkaline rocks containing the specific assemblage quartz + plagioclase + potassium feldspar + hornblende...are calc-alkaline, their compositions (granite to quartz monzonite) differ from those VYHNAL ET AL.: HORNBLENDEIN...aluminum hornblende barometry to be applicable, quartz + plagioclase * potassium feldspar a hornblende |
