 | | Journal (article/letter/editorial) | | PEGMATITE, AND REPLACEMENT VEINS IN THE SHEAHAN QUARRY, GRANITEVILLE, MISSOURI* Cenr TollreN AND Seuunr S. Gor...Unilersity, St. Louis, Mo. INTRODUCTION Graniteville, Iron County, Missouri, has been for some time the most...center in the state. The Sheahan quarry located just north of Graniteville village is at present the...active one in the district. The quarry product is the distinctive "Missouri red granite" of pre-Cambrian...pegmatite, and replacement veins exposed in the quarry afforded material for a petrographic and chemical |  | | Journal (article/letter/editorial) | | SHERWOOD 106A East 25th, P. 0. Box 436 Oak Grove, Missouri 64075-0436 Downloaded by [Brown University Library]...Louis, Missouri 63129-2704 Figure 1. Counties in Missouri. N o comprehensive list of Missouri mineral...found in Missouri; two of these, fletcherite and starkeyite, were first described from Missouri mines....location a~ included at the end of each entry. Adair County Chariton River (40-04-05N 92-4 I -23W). septarian...septarian concretions about 2 miles north of the Macon county line. CALCITE crystals enclosing bundles of acicular |  | | Journal (article/letter/editorial) | | ClimaxMiningLimited,Sheahan-Grants Mine,Mandurama, NewSouthWales, Australia Abstract The Sheahan-Grants, Frenchmans...Reefsaretypicalgoldskarns. Goldoreisrestricted to a pyrrhotite-pyrite-arsenopyrite-bearing distalskarnzonein whichprograde...t andhavea distinctive mineralogy whichincludes iron-rich skarn(Taylor,1983;Creelmanet al., 1990).At...PROJECT CARCOAR SHEAHAN-GRANTS__ GOLD MINE LYNDHURST FIc. 1. Localityof the Sheahan-Grants goldmine...fromabout120,000t of ore at an duction from the Sheahan-Grants open pit commenced in average gradeof9.65g/tgold |  | | Report (issue) | | Tennessee•••••••••••••••••••••••••• 4 Figure l. Map of Shelby County, Tennessee, showing generalized structural contours..."1,400..foot" sand is very soft but it contains iron. In the Memphis area its temperatur~ ranges tram...was pumped from the "1 ,4C>O-foot" sand in Shelby County, Tennessee, from 1924 through 1946. In 1946 an...-~1,40Q-foot" sand in De Soto County, Mis""issipp1, and Crittenden County, Arkansas. A study of the available...have been reported south of Memphis in De Soto County, Mississippi. wrote a preliminary rPport on the |  | | Journal (article/letter/editorial) | | New South Wales, Australia, contain a range of pyrite textural types which suggest textural evidence...evidence for the transformation of framboidal pyrite into pyrite atoll structures in a variety of sulphide and...1976). These enigmatic microstructures are the pyrite framboids and sulphide atoll structures which commonly...sulphide ores of SW Missouri, USA, by Rust (1935), who named the clusters of pyrite microcrystals "framboids"...later years was it widely recognised that such pyrite structures were also common in present-day marine |  | Sheahan, C., Fayek, M., Quirt, D., Jefferson, C. W. (2016) A Combined Ingress-Egress Model for the Kianna Unconformity-Related Uranium Deposit, Shea Creek Project, Athabasca Basin, Canada. Economic Geology, 111 (1) 225-257 doi:10.2113/econgeo.111.1.225 | Journal (article/letter/editorial) | | Shea Creek Project, Athabasca Basin, Canada C. Sheahan,1,† M. Fayek,1 D. Quirt,2 and C. W. Jefferson3...and perched uraninite precipitated with hematite, pyrite, and chalcopyrite at ~500 Ma. Sulfides coeval with...December 7, 2014 Accepted: August 24, 2015 226 SHEAHAN ET AL. 1984; Kotzer and Kyser, 1995; Fayek et...pebbly Shiels, and sandy Larter members), 228 SHEAHAN ET AL. followed upward by the Wolverine Point...ATHABASCA BASIN, CANADA with graphite- and/or pyrite-rich faults or shear zones. Quartz dissolution |  | | Book (volume) | | Dahlonega Co. and Rabum Co., and the McDuffie County Belt extending through portions of McDuffie, Warren...Chalcopyrite, Galena, Pyrite, Pyrrhotite and some Sphalerite. BALDWIN COUNTY MILLEDGEVILLE, at state...state farmjasper. BANKS COUNTY COMMERCE, along Hwy. 59, 5 mi. E of Jackson-Banks Co. lineBeryl. MAYSVILLE...along adjoining Co. linerock crystal. BARROW COUNTY WINDER, along rd. to Jefferson and 1½ mi. inside...Guide for Rock Hounds in the United States BARTOW COUNTY AREA, Saltpeter Cave, as floatjasper. CARTERSVILLE: |  | | Journal (article/letter/editorial) | | quartz-rich breccias and fracture fillings with pyrite, chalcopyrite, pyrrhotite and gold in a complex...inclusions indicate an early formation of quartz and pyrite at temperatures initially near 500 °C and a pressure...in the greenstone terrain near the famous Kiruna iron ores. Early exploration of this Pahtohavare Cu-Au...,,O,U,Hm~ I GREENSTONES j RCHEAN BASEMENT A IRON DEPOSIT 0 SULFIDE DEPOSrr . ... -" FAULT n L...overlain by the Kurravaara conglomerate and the iron-ore bearing porphyries of Kiruna, which have an |  | | Journal (article/letter/editorial) | | 3 = NittanyArch,4 = Timberville, 5 = Botetourt County,6 = Austinville, 7 = Russell-Tazewell, 8 = Marion...78ø49'01" W Beeklnantown Beeklnantown Woodwad quarry 4 Zirkleprospect • WW ZK 38ø38'34" N 38042'00"...about1 mm in thickness on wall-rocksurfaces. The pyrite areawheremineralization iswidelyscattered andonlysmall...Bowers districts, sphalerite is muchmoreabundantthan pyrite, Campbellmine,wasgenerally too darkandinclusions...inclusions in is furtherparalleled by a decrease in iron,indicated by a sphalerite. The rangesof homogenization |  | | Report (issue) | | 10:45 A sulfur isotope study of the Leicester Pyrite Member (Middle Devonian) of western New York State-Preliminary...recycled. A Sulfur Isotope Study of the Leicester Pyrite Member (Middle Devonian) of Western New York StatePreliminary...Alum Shale of Sweden Background The Leicester Pyrite Member of the Genesee Formation is exposed in discontinuous...extends from central Erie County to the Finger Lakes region. From eastern Erie County to its easternmost extent...hiatus of regional significance. The Leicester pyrite lenses are typically several centimeters thick |  | | Report (issue) | | Planetary Sciences Washington University St. Louis, Missouri 63130 SPECIAL PJPEB 915 1987 Uni versiw^ot Wyoming...A note on newly discovered kimberlites in Riley County, Kansas William L. Mansker, Bill D. Richards, and...petrography of the Twin Knobs ttl lamproite, Pike County, Arkansas . 205 Michael A. Waldman, Tom E. McCandless...Potash Sulfur Springs igneous complex, Garland County, Arkansas Robert E. Zartman and J. Michael Howard...emphasis on diamonds . 249 A.J.A. Janse and P. A. Sheahan Late Cretaceous nephelinite to phonolite magmatism |  | | Report (issue) | | east-central Kansas, with the Middle Pennsylvanian Mecca Quarry Shale Member of the Carbondale Formation in Illinois...percent detrital quart~. and 12-15 percent syngenetic pyrite as amorphous grains, framboids, and cubes. The...mineralization of the Rabbit Creek Gold deposit, Humboldt County, Nevada, in Geology and ore deposits of the Great...Patterson and others, 1986). H2 S not consumed in pyrite formation reac·~d with organic matter or diffused...Nansheng 2 Since 1985, deposits near Songlin, Zunyi County, Guizhou Province, in the People's Republic of |  | | Book (volume) | | seams the collector may often find Marcasite and Pyrite. The measures are 1,200 to 1,400 feet thick in...600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...E, regional deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip |  | | Book (volume) | | seams the collector may often find Marcasite and Pyrite. The measures are 1,200 to 1,400 feet thick in...600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T. 1 S, R. 10 E...E, regional deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee No. 5 strip |  | | Journal (article/letter/editorial) | | includetheerrorin thestandard age Reefsarea (the Sheahan-Grants, Frenchroans,and Cornish(1% on 77-600 hornblende...GilmOre Suture • u3 I 'P•"ak Hil Mt. AubreyHill Sheahan-Grants 32ø Creek Gidginb6• 36øm MELBOURNE...expected (about350øC;Harrison to datedirectlythe Sheahan-Grants deposit,whichis the and McDougall,1980;cf...1992).Goldoccurs within veinsof quartz,carbonate, pyrite,sphalerite, The 4øAr/39Ar datingof hydrothermal...Somecalciumcontamination ispresentin intrusions in the Sheahan-Grants andCopperHill areas(see theearlyandlaststeps |  | Peters, S.G., Nash, J.T., John, D.A., Spanski, G.T., King, H.D., Connors, K.A., Moring, B.C., Doebrich, J.L., McGuire, D.J., Albino, G.V., Dunn, V.C., Theodore, T.G., Ludington, S.D. (1996) Metallic mineral resources in the U.S. Bureau of Land Management's Winnemucca District and Surprise Resource Area, northwest Nevada and northeast California. Open-File Report Vol. 1996 (96-712) US Geological Survey doi:10.3133/ofr96712 | Report (issue) | | ..............................................» Iron skarn deposits (model 18d of Cox and Singer, 1986)...for remaining lead, zinc, mercury, uranium oxide, iron, tungsten trioxide, and manganese abundances are.........2,400...............................8,700 Iron...........................................0.......the extremely large tonnages present at the Gold Quarry-Maggie Creek and Betze-Post-Genesis clusters of...and mineral resources are summarized in various county reports for this part of Nevada (Ransome,1909; |  | | Journal (article/letter/editorial) | | SMB contains turbiditic units with oxide facies iron formation interbedded with sandstone and siltstone...the Beardmore–Geraldton greenstone principally in iron the Beardmore and Geraldton areas [3]. In the Geraldton...Geraldton area gold deposits are hosted in banded iron formation, which is generally believed to have formed...the Summarizing, the Geraldton are deposits are iron-formation deposits, whereas theSummarizing, Beardmore...Beardmore area Geraldton are deposits are iron-formation deposits, whereas the Beardmore area deposits are |  | Pandalai, Hari Shankar, Jadhav, Gajanan Narayanrao, Mathew, Biju, Panchapakesan, V., Raju, K. Krishnam, Patil, M. L. (2003) Dissolution channels in quartz and the role of pressure changes in gold and sulfide deposition in the Archean, greenstone-hosted, Hutti gold deposit, Karnataka, India. Mineralium Deposita, 38 (5) 597-624 doi:10.1007/s00126-002-0345-9 | Journal (article/letter/editorial) | | India The channels have pyrrhotite, arsenopyrite, pyrite and gold at their distal ends, with calcite filling...wall rocks of Hutti are arsenopyrite, pyrrhotite, pyrite, chalcopyrite, ilmenite, sphalerite, native gold...rocks and in quartz veins associated with them. Pyrite grains of an early generation are often distinguishable...grains that range in size from 100 to 500 lm. Early pyrite grains show effects of extreme deformation (Fig...Remnant traces of longitudinal fractures in such pyrite grains are curved and usually terminated within |  | | Journal (article/letter/editorial) | | dashighlydeformedvolcanogenic massivesulfideAu pyrite depositswith internallyremobilizedveinletCu-Au-Ag...massive sulfide area for which we have data is the iron-formation deposits(e.g.,the Adamsmine,near Ordovieian...ductilelydeformedvolcanogenie mas- sive sulfideAu pyrite deposits;Tourigny et al., 1993). Thisspecialissuecontainsthree...flanksand near the blebsin fine-grained dispersed pyrite,the lackof Au noseof a major west-plunging, anticlinalstructure...effectsof high-angle,reverse quartz-carbonate_+ pyrite veinlets which, as deshearzonedeformationandflatteningon |  | | Journal (article/letter/editorial) | | Advanced argillic assemblages (quartz-kaolinite-pyrite alunite illite) occur throughout the core of...narrow discontinuous zone of argillic (quartz-illite-pyrite) alteration are developed in the Mingelo Volcanics...assemblages (muscovite/illite-pyrite paragonite) to a pyrophyllite-pyrite diaspore andalusite altered...core. Au-Cu mineralisation is hosted by barite-pyrite veins that cut the advanced argillic assemblage...chalcopyrite, covellite and chalcocite occur in the barite-pyrite veins. No ore-bearing minerals were detected in |  | | Journal (article/letter/editorial) | | inclugoldoccurs asfreegoldandasinclusions andveinsin pyrite. a carbonic Theseobservations suggest thatsulfides...dataand,withthe exception of veinset3, which siderite iron-formations both have •5t3Cvalues that are too fluidprecipitated...Thelargest localreservoirs of carbonate arethesiderite iron- CO,-NaC1on phaserelationsin geologic H20-CO.,-NaC1...studiesof anintrusion-hosted quartz-tourmaline-pyrite-gold veinsystem, P.A.,and Thisalsocallsintoquestion...ed Lamaquemine,Val d'Or, Quebec,in Robert,F., Sheahan, Green,S.B.,eds.,Greenstone goldandcrustal evolution |  | | Journal (article/letter/editorial) | | minor chalcopyrite and rare galena). Accessory pyrite occurs exclusively as a secondary mineral in cracks...1967) is strictly valid only along the pyrrhotite-pyrite equilibrium, because aFes in pyrrhotite is dependent...rutile (thin lines) have been superimposed onto the iron oxide-sulfide equilibria. Furthermore, because graphite... -4 -2 0 log a(S2) Fig. 7. Phase diagram for iron and sulfur phases with superimposed graphite-CO2...package (Brown et al., 1988). Thermodynamic data for pyrite and troilite from Robie et al. (1979), for all |  | | Journal (article/letter/editorial) | | primarily made up of chalcopyrite, sphalerite, pyrite, pyrrhotite, and magnetite. These minerals are...and Stern 1996). mineralization is predominantly pyrite and chalcopyrite with limited presence of sphalerite...even in small concentrations. Some sulfides, mainly iron sulfides, also show relatively lower resistivity...gold mineralization occurred in association with pyrite and chalcopyrite in quartz Geophysical Models...predominantly chalcopyrite, sphalerite, galena, pyrite, and pyrrhotite. Gold and vast concentration of |  | Groves, D.I, Goldfarb, R.J, Gebre-Mariam, M, Hagemann, S.G, Robert, F (1998) Orogenic gold deposits: A proposed classification in the context of their crustal distribution and relationship to other gold deposit types. Ore Geology Reviews, 13 (1) 7-27 doi:10.1016/s0169-1368(97)00012-7 | Journal (article/letter/editorial) | | Stop 973, DenÕer Federal Center, DenÕer, CO 80225, USA c Wiluna Gold Mines Limited, 10 Ord St., West Perth...mineral in metasedimentary country rocks, whereas pyrite or pyrrhotite are more typical in metamorphosed...ankerite, dolomite or calcite; sulfides include pyrite, pyrrhotite or arsenopyrite; alkali metasomatism...events Geochron. Refs. Southern Appalachians, USA 343–294 Paleozoic Late Ordovician to Carboniferous...This type of scenario crudely characterizes Alaska, USA, a part of the North American margin almost entirely |  | | Journal (article/letter/editorial) | | districts Districts UMV, USA SE Missouri, USA Appalachians, USA Colorado, USA Pine Point, Canada Polaris...galena carbonates dropstones UMV, USA SE Missouri, USA Colorado, USA Pine Point, Canada Polaris, Canada...some districts, like the Upper Mississippi Valley (USA) or Silesia (Poland), cavities exist that are exclusively...units corresponding with those of the UMV district, USA Lithological unit Ordovician sandstone Ordovician...other common minerals such as dolomite, galena and pyrite would not significantly alter the results discussed |
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