 | | 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) | | indexed. Accessory mineral suites ln granites of Missouri. (Tolman, Koch) 208 Adamite from Gold Hill, Tooele...200, 37r Co., Utal. Ahlfeldite. (Ramdohr). 678 Albite (optical data).. .....235, Alderman, A. R.. . E...Double,I. S.. Drosdoff, M. and Truog, E' Removal of iron oxide coatingsfrom minerals. ' . 669 Dunham, K....pegmatite a.rrdreplacement veins in the Sheahan quarry, Graniteville, Mo. ( T o l m a nG , o l d i c h ).... 201 heavy minerals in clays of" Hypersthenes, iron-rich, data Middlesex Co.,N.J.. . . .208,334 on. |  | | Journal (article/letter/editorial) | | crystallization of the Animikie Red Ace Pegmatite, Florence county, northeastern Wisconsin: inclusion microthermometry...University, 314 Brooks Hall, Mount Pleasant, MI 48859, USA e-mail: sirbe1mc@cmich.edu Present Address: E. E...Grand Rapids, MI 49503, USA Disequilibrium crystallization Florence county pegmatite field Wisconsin...IN Florence Florence County Pegmatite Field BG GT MR QF BL GN MS Iron Mountain MG HL QD Norway...of northeastern Wisconsin including the Florence county pegmatite field (after Sims et al. 1992). Superior |  | | Journal (article/letter/editorial) | | 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...that is at least 3-4 km thick (Godin 1986). An albite diabase which has intruded the lower part of the...overlain by the Kurravaara conglomerate and the iron-ore bearing porphyries of Kiruna, which have an...greenschist facies metamorphism, which produced albite, actinolite-tremolite, epidote, chlorite and phlogopite-biotite |  | | Book (volume) | | Dahlonega Co. and Rabum Co., and the McDuffie County Belt extending through portions of McDuffie, Warren...Sphalerite. BALDWIN COUNTY MILLEDGEVILLE, at state farmjasper. BANKS COUNTY COMMERCE, along Hwy. 59...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:...pitsBarite, Geodes, Goethite, Hematite, Limonite, Iron minerals; area mines, as important producersBarite |  | | 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 |  | | Book (volume) | | 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...mine⎯pyritized gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason |  | | Book (volume) | | 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...mine⎯pyritized gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason |  | | Journal (article/letter/editorial) | | bodies are in southwestern Fremont County and in northeastern Chaffee County, Colorado. The location of the...along fractures in core of Yard pegmatite, Chafiee County, Colorado. The pegmatite strikes N. 60o E. and...veins in which green muscovite and Iight colored albite are abundant, Local vugs, four inches deep, which...been changed to green by incipient sericitization. Albite, one of the early replacing minerals, is replaced...zone appears to be: 1. 2. 3. 4. Muscovite and albite Purple fluorite, quartz, and chlorite Specularhematite |  | | Journal (article/letter/editorial) | | pervasively altered to a greenschist facies assemblage (albite + chlorite + quartz + actinolite + epidote + magnetite...altered easterntoparts of the Mesaoria basin, a (albite narrow, mainly +Neogene minerals been pervasively...Bruker D8 Advance system (Bruker, Billerica, MA, USA) with a Cu anode (λ = 1.5406 nm). The samples were...phases are shown). Samples PXRD Analysis D1 Albite (33%), Chlorite (27%), Quartz (17%), Anorthite...(9%), Calcite (5%), Augite (4%) Anorthite (22%), Albite (21%), Chlorite (17%), Actinolite (9%), Quartz |  | | Report (issue) | | east-central Kansas, with the Middle Pennsylvanian Mecca Quarry Shale Member of the Carbondale Formation in Illinois...mineralization of the Rabbit Creek Gold deposit, Humboldt County, Nevada, in Geology and ore deposits of the Great...Nansheng 2 Since 1985, deposits near Songlin, Zunyi County, Guizhou Province, in the People's Republic of...of Geosciences, University of Missouri-Kansas City, Kansas City, Missouri 64110. 2 Institute of Geochemistry...somewhat analogous isotopic variations in a bed of iron sulfide from the Devonian of New York. One of the |  | | Journal (article/letter/editorial) | | Mary Kathleen Group stratigraphy of the Cloncurry iron-oxide–copper–gold District, Australia Lucas J. Marshall...characterise some of the district-scale host-rocks to iron-oxide–copper–gold (IOCG) mineralisation in the Proterozoic...1). The district is characterised by widespread albite-rich Na-(Ca) alteration with many of the deposits...derived from magmatic sources (Marshall et al., 2006). Iron and potassium enriched in the ore environments was...biotite)-rich hydrothermal infill and adjacent albite- and actinolite-rich alteration that indicate |  | | Journal (article/letter/editorial) | | Hill deposit. Propylitic assemblages, including albite, quartz, interlayered chlorite-smectite, illite...alteration Phyllic alteration Pyrophyllite alteration albite-quartz-chlorite/smectite illite ankerite quartz-illite-pyrite...Cu-Au deposits (Perkins et al. 1990a,b) and the Sheahan-Grants and Glendale Au deposits (Perkins et al...carbonate, quartz, propylitic relics Chlorite, quartz, albite, smectite, illite/smectite, carbonate Matrix... covellite, chalcopyrite Kaolinite quartz Albite, illite Plagioclase Illite Core Pyrophyllite |  | 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...Žmainly Fe-sulfides. and F 5–15% carbonate minerals. Albite, white mica or fuchsite, chlorite, scheelite and...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...assemblages of Fe sulfide–carbonate–sericite " albite Žin rocks of appropriate composition to stabilise |  | | Journal (article/letter/editorial) | | the grade of metamorphism. Magnesium and ferrous iron show a consistent distribution relation between...magnesium, ferrous, and ferric iron between the two micas, but ferric iron is relatively concentrated in...content. The consistent distribution of magnesium and iron between coexisting micas suggests that it can be...because the rocks in general do not contain enough iron or Downloaded from http://petrology.oxfordjournals...Barrovian type of regional metamorphism (quartz-albite-epidote-biotite subfacies of the greenschist facies); |  | | Journal (article/letter/editorial) | | Ca-silicates to a muscovite/paragonite-chlorite f albite/K-feldspars assemblage; carbonization of the metamo...(fluid-mineral ‘8O/‘6O; aK/aH vs. a,,/a,-muscovite/albite) or disequilibrium conditions (hydraulic fracturing...domains is dominated by quartz, carbonate, mica, (* albite), chlorite, pyrite, scheelite and tourmaline. 10...Robert and Brown, 1986a; Sibson et al., 1988; I-Iron&y et al., 1990; Cox et al., 1991; Ridley, 1993;...al., 1997); Norseman (McCuaig et al., 1993) and iron-formation hosted deposits in the Yilgam Block, and |  | | Journal (article/letter/editorial) | | massive sulfide area for which we have data is the iron-formation deposits(e.g.,the Adamsmine,near Ordovieian...Daigneaultand Archambault, 1990; Daigneaultet Quartz Albite al., 1990;Smithet al., 1990;Cruden,1992).AnimPlagioclase...Geologicandfluidcharacteristics,in Robert, F., Sheahan,P. A., and Green, S. B., eds.Greenstonegoldandcrustalevolution...fromU-Pbdatingof hydrothermalminerals,in Robert, F., Sheahan,P. A., and Green, S. B., eds., Greenstone Inst...igneousgeochemistry, in McGraw-HillBookCo., 930 p. Robert, F., Sheahan,P. A., and Green, S. B., eds., Greenstone Maas |  | | 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...Somecalciumcontamination ispresentin intrusions in the Sheahan-Grants andCopperHill areas(see theearlyandlaststeps...complexof dioriteand monzodiorite intrusions. At Iron plexhasa minimum ageof 447 _ 5 Ma. Chivas(pers.com- |  | | Journal (article/letter/editorial) | | 1.9 Ga old Stollberg sulphide and Mnrich skarn iron ores and sulphide ores in Bergslagen, south-central...by comformable alteration zones characterized by albite-gedrite-quartz and biotite-muscovite-plagiocla...historically important mining area in Sweden, with abundant iron ores and some important sulphide ores; e.g. in the...that they are intergrowths of gedrite, staurolite, albite, retrograde chlorite, retrograde lizardite, and...and magnetite. In addition to gedrite, quartz and albite with minor biotite and K-feldspar are present. |  | | Journal (article/letter/editorial) | | St. Louis, Missouri 63130, U.S.A. 2 Department of Geological Sciences, University of Missouri, Columbia...Columbia, Missouri 65201, U.S.A. 3 Horton-Watkins High School, Ladue, Missouri 63124, U.S.A. 1 Abstract Combining...melts is ~0.2 mm2s–2 higher than basaltic. Ferrous iron enhancing heat transport could alter the predicted...being close to glass melting temperature. Found in Missouri. d Among the last glass made at the Hemingray...Mall, 2317 South Big Bend Boulevard, St. Louis, Missouri 63143, U.S.A. Its probable date of manufacture |  | | Journal (article/letter/editorial) | | pegmatites Massive pegmatites Simple zoning: muscovite-albite ± spessartine around quartz cores Layered and massive...massive pegmatites; with sugary albite ± muscovite and lepidolite-albite secondary assemblages Massive...element albite-spodumene(?) Rare element albite-spodumene Rare element ? Rare element albite Rare element...quartz and microline pods overprinted by sugary albite stockwork and coarse micaceous lenses Horizontal...Complex zoning of aplitic albite pegmatite about massive quartz cores; sugary albite-lepidolite overprint |  | | Journal (article/letter/editorial) | | are divided into the following categories: (1) iron oxide-dominated, brecciahosted, Cu-U + Au replacement...intrusions (273t Au); (2) stratabound Au + Cu-bearing iron formations (152.4t Au); (3) unconformity-style U...U + C u / P G M / A u deposits (53t Au); (4) Iron oxide-dominated Au + Cu mineralisation hosted within...volcanic-hosted massive sulphides (150t Au), (6) iron-sulphide-dominated veins and replacement zones spatially...related to felsic intrusions (150.7t Au), and (7) iron-sulphide-dominated veins and replacement zones spatially |  | | Journal (article/letter/editorial) | | Copyright © 2003 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/03 $30.00 ⫹ .00 Pergamon...Geological Sciences, University Of Missouri–Columbia, Columbia, MO 65211, USA (Received August 29, 2001; accepted...Central Michigan University, Mt. Pleasant, MI 48859, USA. (mona.sirbescu@cmich.edu). 2443 2444 M.-L. C...crosscut the granite-pegmatite sills: (1) quartz-albite-perthite pegmatite, (2) coarse perthite, (3) rose...include Be in beryl, perthite, cleavelandite (tabular albite), muscovite, cassiterite, and Ta and Nb (microlite |  | | Journal (article/letter/editorial) | | MS920, Reston, VA 22092, USA b U.S. Geological Survey, MS973, Denver, CO 80225, USA c TsNIGRI, 129B, Varshavskoye...to an assemblage of chlorite-actinolite-epidote-albite schists. Potassium-argon dating of the mafic volcanic...quartzite, dolomite, greenstone and chlorite-amphibole-albite schist a In some maps, undifferentiated Besopan...and sillimanite in spots at greater depths quartz-albite-biotite-chlorite-oligoclase alteration and subparallel...magnesium content of the biotite and chlorite, albite to albite-oligoclase rather than more calcic plagioclase |
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