 | | Report (issue) | | d*/oPtcare rctun thic publistio to thc Virginia Geological Sunot whcn you havc ro further uc for...COMMONWEALTH OF VIRGINIA APR Z STATE COMMTSSION ON CONSERVATION AND DEVELOPMENT VIRGINIA GEOLOGICAL SURVEY...Geologitt Bulletin 43 Ztnc arrd Lead Region of Southwestern Virginia With e Section on thc Occurrencce....t4 No'lJ c3 UNIVERSITY, VIRGINIA 1935 13st COMMONWEALTH OF VIRGINIA STATE COMMTSSION ON CONSERVATION...DEVELOPMENT VIRGINIA GEOLOGICAL SURVEY ARTHUR BEVAN, State Geologist Bulletin 43 Zinc and Lead Region of Southwestern |  | | Journal (issue) | | COMMONWEALTH OF VIRGINIA D E P A R m OF MINES, MINERALS,AND ENERGY Richmond, Virginia Published quarterly...AND THE CIVIL WAR IN SOUTHWESTERN VIRGINW THE WYTHE COUNTY LEAD MINES Robert C. Whisonant Professor of...when New Jersey Zinc Company permanently shut down its lead and zinc works in southern Wythe County, Virginia...of a mining complex whose history is intricately intertwined with that of southwestern Virginia, particularly...iron, where she was a close second to Alabama. Virginia also had the most railroad track mileage of any |  | | Journal (article/letter/editorial) | | IsotopicCompositionof Lead in the Austinville-Ivanhoe Pb-Zn District, Virginia NORA K. FOLEY,* A. KRISHNASINHA...Geological Sciences, Virginia Polytechnic Instituteand State University,Blacksburg, Virginia 24601 Abstract...Abstract Leadisotopicstudies fromthe Austinville-Ivanhoe districtof southwest Virginiademonstrate that galenasof...The final, of sphalerite,galena, Wythe Countyin southwestern Virginia (Fig. 1). The late-stagegenerationconsisted...late-stagegenerationconsisted elongate sphalerite-, pyrite-,andgalena-bearing lenses fluorite,quartz,barite, gypsum,and |  | | Journal (article/letter/editorial) | | Bertha Mineral Company(subsidiaryof New JerseyZinc Co.), at Austinville, Va.; the Universal Exploration Company...extensiveprospectinghas been undertakenin the JeffersonCity district. Considerablemining of oxidized ore bodies has...tectonicorigin. The conclusions, so far as the Virginia depositsare concerned,are drawn almost entirely...areal features, inasmuchas accessto the mine at Austinville,exceptto the inactivetop (adit) level, was...JeffersonCity. A numberof outlyingprospectsin both Virginia and Tennessee were alsovisited. This paperis the |  | | Journal (article/letter/editorial) | | (Shenandoah Valley), Virginia; Mascot-JeffersonCity district, Tennessee;and Copper Ridge district, Tennessee....low-iron sphalerite, minor to insignificant galena and pyrite, pervasive dolomitization,sulfide depositionat...of the Appalachian orog•eny,they furnish dramatic new evidenceof the similarity between Mississippi Valley...Ordoviciancarbonatesedimentsas modified by the paleoaquiferin the mining districtsof East Tennesseeappear to be analogousto...subsequenterosion ica. The classicexamplesare Austinville-Ivanhoe, has removed such a large part of the evidencethat |  | | Journal (issue) | | presented at the 26th Annual Meeting in Arlington, Virginia October 4-7, 1989. An Investigation of Factors...Exclusive Economic Zone Mail Stop 915 Reston, Virginia 22092 In 1983, the President proclaimed the establishment...the mineral deposits in and on the seafloor. VIRGINIA DIVISION OF MINERAL RESOURCES Advances in computer...dynamics creating seafloor features and will lead to new understanding regarding continental marine evolution...Geological Survey 955 National Center Reston, Virginia 22092 Image Maps of the Exclusive Economic Zone |  | | Journal (article/letter/editorial) | | arefoundlargely in twomajorpalcoaquifers in the region,the LowerCambrianShadyDolomiteandthe LowerOrdovician...Cove) in North Carolina.The Cartersvillebarite district in fluorite-barite rich.Zinc-richdeposits are...Mascot-Jefferson City district:The Mascot-Jefferson City district, withfiveminesrepresented, hasthehighest average...well-defined zoning,deposits at bothendsof the district andbaritein theUpperKnox(LowerOrdovician) palcoaquifer...amount of Riverdistrict,including theNewProspect mine,thelargest included organicmatter(Craiget al., 1983;Kettler |  | | Journal (issue) | | INDUSTRY OF VIRGINIA IN 1974' ADVANCE SUMMARY Total value of mineral production in Virginia in 1974 was...127 percent in value. Deep mine production decreased 3 percent and surface mine production increased 9 percent...value increased. Table 1. -Mineral production in Virginia. Stone, the second-ranking mineral commodity...cooperative agreement between the Bureau and the Virginia Division of Mineral Resources. 1 1973 Mineral...that cannot be l ~ r o d u c t i o nas measured by mine shipments, sales, or marketable production (including |  | | Journal (article/letter/editorial) | | brown iron ore, andleaddeposits. The analysesof new data generatedin the past eral recognitionthat earlier...earlier theoriesof ore control, in the region age of eraplacement, and prospecting guideswere 15yearshaveled...presentgeographic vician metamorphicevent in the region suggestedan Ordovicianagefor manyof the ores (Hadley...Appalachian parts of Alabama, Georgia, Tennessee, and Virginia (U.S. Geological Survey, 18831927; U.S. Bureauof...barite in the Lower CambrianShadyDolomite at Austinville,Virginia (Brown and Weinberg, The mode of occurrenceof |  | | Report (issue) | | Geological Society of America 419 West 117 Street, New York 27, N. Y. The Memoir Series of The Geological...HYDROTHERMAL AND MAGMATIC MINERAL DEPOSITS Page Magma, Mine,;Superior (oo. ciges Rocttactek ors eno os es snl...NevadaiGity —'Grass: Valley) iter ore ae ee Shasta County a eee cere asses ee avs Oe ee COlOTAMGS ee Pie...mines of which a district is composed but rather that the geological conditions from one mine to another within...within the district are so generally the same that what is said of one mine will be true for the others |  | | Journal (article/letter/editorial) | | 194-199 PARAGENESISAND GEOCHEMISTRY OF THE IDOL MINE ZINC DEPOSIT, TENNESSEE JUNLU, JAMESR. CRAIG,ANDJ... Characteristicsof Ore-HostingBreccias The Idol mine, a Mississippi Valley-type,carbonate- Two types...bleachedrims (Fig. 2) and type 2-Copper Ridge district near the town of Thornhill in without bleachedrims...bleachedrims. Typical type 1 brecciacontains Grainger County, Tennessee.Production was carried out dolostonefragments...possessa dark core, surfrom 1977 until 1981, when the mine was allowed to roundedby concentricbandswhich are |  | | Journal (article/letter/editorial) | | LowerCambrianclasticandcarbonate rockshostthe Austinville(Zn-Pb),Cartersville(Ba), Embreeville(Zn), andDoughtery(Zn)...Greeneville-FallBranch(Ba-F), Mascot-Jefferson City (Zn), Powell River (Zn-Pb), Russell-Tazewell(Ba-F), and Sweetwater(Ba-Zn-F)...mixedin mostareasexceptthe Mascot-JeffersonCity district,where zinc mineralizationis strongest.Althoughthe...genic events (Hearn et al., 1987; Oliver, 1988; Virginia arch (Thomas,1977). MississippiValleytype mineralizationis...fluorite.Thelargestof theseisthe Cartersville district,whichhasbeena majorbariteproducer(Kesler, 1950) |  | | Journal (article/letter/editorial) | | Microstratigraphy in GangueDolomite, the Mascot-Jefferson City District,Tennessee 5•[ICHAEL L. EBERS AND OTTO C. KoPP...sphalerite mineralization in the Mascot-JeffersonCity district. A total of six major zones were recognized which...dolomite cathodoluminescent zones throughout the district was observed. A single period of sphalerite mineralization...developmentof three consecutivezonesthroughoutthe district. Three Qther districts were studied and all exhibited...understood. In manyplacesboththe hostrocks within the district, but crackle brecciaspredominate in the middle |  | | Journal (article/letter/editorial) | | Cambrian carbonate rocks from Pennsylvania, Maryland, Virginia, and Tennessee yield Late CarboniferousEarly Permian...in several mines of the Mascot-Jefferson City District. E. Tennessee. Regional potassic alteration in...Conococheaguc Limestone in Maryland and Virginia, the Shadt, Dolomite in Virginia, and the Maynardsville Limestorx...) 0mA Small Medium Large mine or mine mine pi*spect or or district distract FIG. I I Map showing...minixhS of the Mascot-Jefferson City district in eastern 1 c’n nessee (New Market. Young, and Immel mines) |  | | Report (volume) | | of Some Sedimentary Rocks of Paleozoic Age in Virginia By ERIC R. FORCE and LESLIE j. COX A. Manganese...Contents of Some Lower Paleozoic Carbonate Rocks of Virginia, by Eric R. Force B. Manganese Contents of Some...Rocks of Silurian and Devonian Ages in Northwest Virginia, by Leslie J. Cox U.S. GEOLOGICAL SURVEY BULLETIN...of some sedimentary rocks of Paleozoic Age in Virginia I by Eric R. Force and Leslie J. Cox. p. em. ~...sedimentary~ Virginia~Analysis. 2. Geology, Stratigraphic~ Paleozoic. 3. Manganese ores~Geology~Virginia. I. Cox |  | | Report (volume) | | the current-year issues of the monthly catalog "New Publications of the U.S. Geological Survey." Prices...Printing Office Washington, D.C. 20402 • RESTON, Virginia-USGS National Center, Rm. 1C402; 12201 Sunrise...the U.S. Government. Published in the Eastern Region, Reston, Va. Manuscript approved for publication...profiles of drillcore, Churchill prospect, Fay mine, and Nicklaw mine areas....................................of lead isotopic data, Lion Hill area and White Creek, N.Y., to data for similar deposits in Ireland. |  | | Journal (issue) | | SHOW Featuring Virginia Minerals, Mines and Localities BE A PROSPECTOR VISIT OUR MINE-KEEP WHAT YOU FIND...14,1977 VIRGINIA BEACH CIVIC CENTER (THE DOME) 19TH AND PACIFIC AVENUE VIRGINIA BEACH, VIRGINIA Rocks&...Minerals from Virginia Richard S. Mitchell 230 Mineral and Fossil Collecting Sites in Virginia Palmer C....Resume: Pseudomorphs in Virginia R. V. Dietrich 244 The Geology of Virginia W. Cullen Sherwood 250 Prehnite—Apophyllite...Minerals of Virginia J. Alexander Speer Minerals from the Old Sulphur Mine, Louisa County, Virginia Richard |  | | Journal (article/letter/editorial) | | deposits(Brigo et al., 1977), and the Silesia-Cracow district in Poland (Zartmanet al., 1979). The petrologicfeaturesof...thatthe mostsignificant HYC depositat McArthur River in the Northern Ter- sulfide occurrence is in lower...mostof the ore is stratabound and occurs McArthur River area have been discussed in detail in severalsilver-bearing...estimatedto be infillings.Two maingenerationsof marcasite-pyrite, 10 million metric tonsat 6.5 percent combinedPb...sampleswere Sulfidesconsistof sphalerite,galena,and pyrite, too finegrainedto allowmanualseparationof galena |  | | Report (issue) | | models provides a means to rapidly screen a large region for potential for mineral concentrations, to assess...tions by natural weathering or when exposed during mining. Undisturbed mineral deposits may cause local or...conflicts that make land-management decisions about mining and areas with potential for mineral deposits complex...information base that anticipates the potential for mining is essential to development of adequate, reasonable...Disturbance of high-sulfide zones, whether through mining, road building, or community development, increases |  | | Journal (issue) | | the Virginia Polytechnic Institute, Engineering Experiment Station Series, dealing with Virginia Mineral...Mineral Localities: Virginia Mineral Localities (1960 Edition) Virginia Mineral Localities (Supplement...(Supplement I) Virginia Mineral Localities (Supplement II) Virginia Minerals and Rocks (3rd Edition) Ex LIBRIS...Cambrian Shad7 (Tom1town) Dolomite at the Jamea River Bydrnte and Supply Compnny Qunrr7 about one mile...\I i! II II BULLETIN OF THE ·, I !V I ii VIRGINIA POLYTECHNIC INSTITUTE Engineering Experiment Station |  | | Journal (article/letter/editorial) | | lead isotope composition. L'6diteur du symposium (New York, 1966) sur les gisements de plomb-zinc du type...CHAI~L~S BEHR~, Jm, a three-day symposium was held in New York in March, 1966 on problems of the origin of...Wisconsin-Illinois district. Usually, but with less certainty, the Kentucky-Illinois fluorspar district with its...numerous less important deposits scattered over the region. Some distinctive characteristics of these deposits...and two of them, namely on Austinville, Virginia and the Tri-State district, are accorded equal rank in |  | | Journal (article/letter/editorial) | | Departmentof AppliedGeology,New SouthWalesInstitute of Technology, P.O. Box 123, Broadway, New South Wales 2007...for assemblages of the Burginmine, EastTintic district, Utah, at the temperatureof 60øCof localsubsurface...localsubsurface waters,and at 25øC for the Tynagh mine, Ireland, and the Matagentedeposit,Cerro de Pasco,Peru....Tynaghminearecaused by the oxidation of copperpoor,pyrite-richZn-Pb-Agoresin lesspermeablerocks.Oxidationof...producevery rich depositscontaining,for exampleat Austinville,Virginia,about40 percentzinc ing surfacewaters.Alsoimpedingthe |  | | Journal (article/letter/editorial) | | It thins rapidly to less than 200 m over the Virginia arch to the southand the Adirondackuplift to the...:::::::::::::::::::::: ent in the SalinaGroupof New York andOhio. ::::::::::::::::::::::::::::::::::...smallerSamuelSnyder prospect(Smith, Austinville-Ivanhoe zinc-lead district in southern 1977). Virginia,aswell asthe sma...ore contain- et al., 1990). Althoughmost early mining in these ing about6 percentzinc (Smith,1977). Mississippi...mineralization andhavebeen replacingwall rockandsphalerite,pyrite, andsparry includedin this study. dolomitefilling |  | | Journal (article/letter/editorial) | | Inclusion,andIsotopicStudiesof the Findlay Arch District, Northwestern Ohio ElINEST H. CAP&SON Departmentof...sphalerite/galena ratiosare 100 or higher.Early dolomite,pyrite-marcasite, andcelestiteI arepremain-stage phases...1990). of the surface mineralization here will offer new inThe mainpurposeof thispaperis to describestrati-...ngmineraliza- ings. tion andto presentresultsof new fluidinclusionand The districtis astridethe Findlayarchandis...1976; Keslerandvander Pluijm,1990). km throughthe district(Fig. 2), is coplanarwith the 0361-0128/94/1533/67-2454 |  | | Report (issue) | | eleveleliereirelta fol siisilerelieiey slielieiess)>) nS NEW mra io UChr ne meen ee ce tine ec So haat e Cee Dee...ssicwiy tat.0e 276 Nevada City-Grass Valley ..... 279 New Almad@n 6.6sravs.cisis a0 sere ois:5sre eoeesceoereeeeeeeeo...no OIL ORO OIG ZoZ 292 Boulder County Tellurides .... 294 Boulder County Tungsten ...... eeoeeesee 296...eecoeeceoeeeoeoeceee 302 se ee 305 Freeland-Chicago Creek ....see. e@eoeoceeee 307 Reina Ta ease eial(cilake...(COLORADO-UTAH-NEW MEXICO-ARIZONA) ... 323 A. Rifle area, Colorado «0s... 323 B. Uravan District, Colorado |
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