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| biotite schist and coming from the Worth feldspar quarry on Bog Hill, East Hampton, Middlesex Co., Conn...has been mined with lead ore in the Wood River district, Blaine Co., Idaho. ILLINOIS—The following note...imbedded in white limestone occur at the old limestone quarry at Bolton, Worcester Co., Mass. MICHIGAN—An interesting...porphyry, have been found in the Tres Hermanas district, Luna Co., N . Mex. N E W YORK—Mrs. George Ellrott...principal quarry. It was filled with masses of flint and hammerstones. West of the quarry was a huge |
 | | Journal (article/letter/editorial) |
| sylvite, and anhydrite. Quebec Francon quarry The large Francon quarry in Montreal is located in a residential...of this, there is little or no land available for expanding the quarry. The economics of dig ging deeper...mining offsets transportation costs. The Francon quarry is world-famous for being the first (or only) producing...dawsonite are found at the Francon quarry. Dawsonite was first found in a quarry near the Francon. The city of...agreement with the Fran con company to use the quarry as a landfill. Reports from several collectors |
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| Heierman collection. Illinois- Kentucky Fluorspar District Symposium by the Friends of Mineralogy (Midwest...the closing of the Illinois-Kentucky fluorspar district that I organized at Indiana University Southeast...believed having a similar program in the fluorspar district would be ideal. However, the logistics behind...this year. In previous visits to the fluorspar district, I had made contact with Bill Frazer, the owner...Yen. Quy Chau. northern Vietnam: Chumar-Ruyil district. 1epal; Jegdalek. Afghanistan: and easLem Pamir |
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| Monagite. ........ 9 Smoky Quartz, Goethite and Graphite, 9 ALLEGHANI COUNTY 1± Manganese ....... f 11...CATAWBA COUNTY. . 19 Beryl , ,19 Soapstone. Graphite .......... Corundum CHATHAM COUNTY Copper Limonite...Calcite. .......... MCDOWELL COUNTY Diamond ] f Graphite and Kyanite . . f . f Pegmatite Minerals MECKLENBURG.... \ 63 Diamond . . . . . ] Garnet Galena Fuchsite and Corundum STOKES COUNTY Itacolumite . ...Actinolite. 0 , f # Minerals of the Hamme-Tungsten District . Amethyst Kyanite 0 \ \ . .."..... . Beryl |
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| omitted from locality information. Where lot and district numbers are given, it is necessary to use topographic...the photographs. Baldwin County Milledgeville district—between the State Sanitarium and the Oconee River:...property—near Commerce: ferrocolumbite (Cook, 1978). Lula district—Standridge property, about 7.0 km east of Lula:...(chryso lite, olivine) (Teague, 1956). Jefferson district—9.7 km southwest of Jefferson on S.R. 11, northwest...Bartow County Allatoona Gold mine—lot 929, 21st district: bornite, chal copyrite, galena, gold, quartz |
 | MacKenzie, Doug, Craw, Dave, Cooley, Mike, Fleming, Adrian (2010) Lithogeochemical localisation of disseminated gold in the White River area, Yukon, Canada. Mineralium Deposita, 45 (7) 683-705 doi:10.1007/s00126-010-0301-z | Journal (article/letter/editorial) |
| associated recrystallisation of metamorphic minerals (graphite, pyrrhotite, pyrite, chalcopyrite) in host rocks...hydrothermal quartz, and up to 19 wt.% carbon as graphite. Late-stage oxidation of arsenopyrite in some...Editorial handling: G. Beaudoin Keywords Gold . Graphite . Arsenopyrite . Hematite . Hydrothermal . Alteration...million ounces of alluvial gold from only 400 km2 of land surface (Lowey 2005; Government of Yukon 2007)....Mortensen et al. 2005). Metamorphic grade ranges from lower and Miner Deposita (2010) 45:683–705 upper greenschist |
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| and 'collophane' in graphite-sillimanite-schist D. R. C. KEMPE SUMMARY. Some graphite-sillimanite-schists...the Usagaran System (= Mozambiquian), contain graphite-quartz-sillimanite-schists and -gneisses. These...abundant hornblende- and pyroxene-granulites. The graphite-sillimanite rocks (Fig, 1) contain accessory feldspar... 1.-Photomicrograph of a graphite-quartz-sillimanite-schist (PB 335). Lower centre, sillimanite; upper...upper centre, quartz; lower left, natrojarosite, with rutile (cleaved) above it; upper right, 'collophane' |
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| rock. Graphite within the shear zone rocks has reflectance of 6 - 7 % (in oil), similar to graphite in medium-high...is presumed to be metamorphic in origin. This graphite has acted as a reducing agent to cause precipitation...Keays 1978). Another hypothesis holds that the graphite itself is a product of hydrothermal alteration...Precipitation was thought to be due to reduction by graphite-bearing pelitic schist. The present study, on...pressure estimate, 3_+0.5 kilobars, is slightly lower than the pressure of the greenschist facies metamorphism |
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| Southern Cross Province, Yilgarn Craton Ravensthorpe district ................................................Korea, CIS, Turkey, Australia, Czech Republic, Austria, and Greece. Of these, the first three contributed...are more massive, of more uniform quality, and lower in trace elements like chromium and nickel than...Australia; (b) Ultramafic associations - e.g. Vermont district in USA, Eastern Goldfields in Western Australia;...substances Talc pigment gives lower wax pick values than clay pigments Talc gives lower ink receptivity than clay |
 | Kazmi, A. H., Lawrence, R. D., Anwar, J., Snee, Lawrence W., Hussain, S. (1986) Mingora emerald deposits (Pakistan); suture-associated gem mineralization. Economic Geology, 81 (8) 2022-2028 doi:10.2113/gsecongeo.81.8.2022 | Journal (article/letter/editorial) |
| calcareousgraphite schist which is at upper greenschistto lower amphibolite metamorphic facies.The AlpuraiandSaiduschists...Geology an imbricatezonewith slicesof Saiducalc-graphite Structurallythe Mingoraareaiscomposedof three...metabasaltsandmetapyroclastics. The Saiducalc-graphite schistoccupiesthe area east of the minesand has...described earlier. Charbagh-Kishora Saidu calc-graphite • • Emeraldmineralizationis confinedto the Mingora...of the m•langezoneandarepracticallyabsentin the lower andeasternpart (Fig. 3). The greenschist clastsrange |
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| roofing, and flagstone. Slates frequently con tain graphite, which can be so abundantly present as to ruin...minerals found in Ver mont slate. Figure 2. Slate quarry, Poultney; photo by Roger Bacon. The granite industry...colorful decorator tiles. The Belvidere Mountain quarry, Low ell (Orleans County) is the most signifi...incorrect name for the locality; it is near er to the quarry than the village of Lowell and is the last set...locality from the south. The Belvidere Mountain quarry has produced worldclass crystals of grossular (the |
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| feldspar group); apatite (calcium fluorophosphate); graphite (elemental carbon); hematite (iron oxide); ilmenite...may be transformed under pressure into graphite (a form GRAPHITE CONTENT o 33 33 3: o 33 O Left A... O < LU of elemental carbon). Not only does graphite have a similar layer-like structure to phyl lite...by the parallel arrangement ofplaty minerals (Austria). Below left: This specimen of phyllite is mainly...and central Alps, particularly around Landeck (Austria) and Sondrio (Italy). Elsewhere, some of the finest |
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| carbonate-facies iron-formation of the Lake Superior district. This rock was the host rock for gold-sulfide...Maquine has been divided into two formations. The lower formation is called the Palmital, ranges in thickness...correlated with the Cane itabirite of the Itabira district to the northeast. The outcrop belt of the the...are confined almost entirely to the schist of the lower half of the formation. The graywacke is not readily...water courses that ap proximate the contour of the land. Forested valley bottoms and ridges are virtually |
 | Dinel, E., Fowler, A. D., Ayer, J., Still, A., Tylee, K., Barr, E. (2008) Lithogeochemical and Stratigraphic Controls on Gold Mineralization within the Metavolcanic Rocks of the Hoyle Pond Mine, Timmins, Ontario. Economic Geology, 103 (6) 1341-1363 doi:10.2113/gsecongeo.103.6.1341 | Journal (article/letter/editorial) |
| (muscovite), fuchsite (Cr muscovite), quartz, arsenopyrite, pyrite, ferroandolomite, dolomite, and graphite plus...during mineralization. In addition, an intense graphite alteration, originally derived from organic matter...Cr6+ to Cr3+, oxidized the organic matter to form graphite, oxidized sulfur to form sulfides, and precipitated...cover Upper Blake River assemblage (2701-2696 Ma) Lower Blake River assemblage (2704-2701 Ma) Granitic...absolute concentration of 13C. Organic matter in graphite was extracted from the powdered rock samples by |
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| occurs in metaquartzites of the Pereval marble quarry eschweizerbart_xxx 0935-1221/14/0026-2372 $ 5...to 6 wt. % Cr2O3 occur in the Shabrovskoe ore district, which is located 25 km southwest of the city...thick. Tourmaline also occurs in the specific ‘fuchsite’–albite metasomatites (Kudryavtseva & Baksheev...in graphite quartzite at Bı́továnky near Třebı́č, Moldanubicum, Bohemian Massif. The graphite quartzite...varieties of tourmaline have been recognized in graphite quartzite from Bı́továnky. Green to greenish |
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| Ladysmith (Rosemeyer 1999, the Vulcan Materials quarry in Racine (Scovil 1994), the pegmatites of Florence...marcasite. A major mining district, the Upper Mississippi Valley zinc-lead district, was in these rocks in...and copper minerals were found. Mining in this district ceased in the late 1970s. A branch of the Middle...may have omitted. Adams County Hamilton Mound. A quarry is located in the NE 1/4 sec. 36 T*20N*R.6E.: potassium...orthopyroxene (Laybourn 1979). Quarry Road quarry. A water-filled quarry and nearby spoils heap are in |
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| sudoite can be used as a proximity indicator from land to sea from the 3 various subenvironments, e.g...with the leading raw materials sand plus gravel, quarry and dimension stones and limestones used for the...(Fig. 1). It has to be noted that among the term quarry and dimension stones there are also some hidden...rocks which formed the Precambrian through the Lower Carboniferous, when the Visean folding put an end...extension was at its maximum during the Devonian and Lower Carboniferous. Basic submarine volcanic activity |
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| found as pearly cleavages associated with calcite. Graphite was abundant in some of the calcite together with...North Carolina, in reference to a specimen of fuchsite and corundum. You followed this by a statement...beautiful one consisting of lustrous bright green fuchsite and pinkish xline corundum. "Union Mills is in...1959. The clipping covers the historic Cranston Graphite Mine, Cranston, Providence Co., R. I. This century-old...Peter Kaine. It is due to the large amount of graphite in the coal that the coal is practically useless |
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| a locality in this book does not imply that the land owner will permit free access to the site. This...Franklin County is north of Wake County and in the lower Piedmont plateau near the western border of the...Carolina. The pegmatite dikes of the Spruce Pine district and those northeast of Falls in Wake County,...N., 1951, Feldspar deposits of the Bryson City district, North Carolina: of Mineral Resources Bulletin...1951, Notes on some minerals from the rhodolite quarry near Franklin, North Carolina: American Mineralogist |
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| layers of fuchsite-rich material in predominantly metasedimentary melange, or on fuchsite-rich layers...amphibole; chl = chlorite; enst = enstatite: fch = fuchsite; gt = garnet; hbld = hornblende; ky = kyanite;...2-1-24(S) 1190 2-1-25(S) 880 2-1-28 (S) 870 rocks + Fuchsite separates me’lange WE-I (S) 2140 WE-2 (S) 2100...mineralogy in Table 1). d Green (fuchsite-rich) and gray (fuchsite-poor) interlayers in mtlange. ’ Host...indicated by the SC, 8-3 or 9-I prefixes: samples from Lower Cottonwood Canyon are indicated with the LCC prefix; |
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| north-west of C.”; A, B, and C may all be in the same district, but it is sometimes difficult or impossible to...“Avondale Mine”; all these are in the Leigh Creek District, and there may be but one spot in which the mineral...Zmc-lead Salphide Deposits of the Read-Rosebery District. Bull. Geol. Surv, Tas., 23, 1915. .Jensen (H...Ihid., No. 9, 190i. 20. Note on the Occurrence of Graphite at Wilson’s Downfall. Ann. Rept. Dept. Mines N...Cloncurry Copper-mining District Ihid., No. 215, 1908. 38. Cloncurry Copper-mining District*: Part 2. : 39. |
 | | Book |
| derives its name from the saltmining district of Hallstatt in Upper Austria, where many prehistoric finds have...below. South Africa. Below right Coarsely foliated graphite. Rap;edara, Cevlon. PLATE 1 C '9 1 Orthorhombic...of these fourfold axes in all. The considerably lower symmetry of a monoclinic crystal is shown in Fig...crystallographic symmetry of a body may often be lower than its apparent geometric symmetry. In a pyrite...symmetr:y ar:e no longer: present (Fig. 16a, p. 93). A lower: cr:ystallogr:aphic symmetr:y is often only shown |
 | | Report (issue) |
| Qeqertarsuatsiaat Carboniferous–Cretaceous sediments, Jameson Land Basin in East Greenland Devonian Basin of North-East...Greenland Ivittuut Narsaarsuk Shelf Trough Lower Palaeozoic sediments, North Greenland, Franklinian...world. Today the former mine site is an open pit quarry full of 5 GO_12.qxp:GO-02 copy.qxp 12/02/08...Frankfurt and Augsburg in Germany, Graz and Vienna in Austria, and not least Copenhagen benefited from these...the basement in West Greenland, these include, graphite, beautiful crystals of reddish corundum (such |
 | Maekawa, Hirokazu, Yamamoto, Koshi, Ueno, Tomoko, Osada, Yukihisa, Nogami, Noriko (2004) Significance of Serpentinites and Related Rocks in the High-Pressure Metamorphic Terranes, Circum-Pacific Regions. International Geology Review, 46 (5) 426-444 doi:10.2747/0020-6814.46.5.426 | Journal (article/letter/editorial) |
| related tectonics in terms of comparison between on-land high-pressure metamorphic terranes and modern subduction...Izu-Ogasawara-Mariana subduction zone and that of on-land, high-pressure metamorphic terranes, and discussed...“blockin-matrix” fabrics, which are typical in on-land serpentinite mélanges (Fig. 2B and 2C) (Raymond...metamorphism in the Mariana arctrench system and on-land high-pressure metamorphic terranes (based partly...Kamuikotan belt. Cretaceous granitic rocks and Lower Cretaceous volcanics are exposed in the regions |
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| Thumbnails-FranForghani, Abdol-Hossein. The Apatite of con Quarry. Nov., p. 455 Hormuz Island, Iran. March, p. 85... May p. 185; The Dubeski, Bernard M. Kyanite, Fuchsite. Quality of Mineral Specimens. JulyJuly-Aug.,...298; Thumbnails. Oct., p. 405; Thumbnails—Francon Quarry. Nov., p. 455 Rich, Carter C. An Easy-To-Build...Wight. July-August, p. 288; Thumb nails- Francon Quarry. Norman B. Biggart, John Reiner. Nov., p. 455 Colorado—A...Collector. John Reiner. p. 237 June, p. 258 Fuchsite—Kyanite, Fuchsite. Bernard M. Barite—Minerals from Thomaston |
