 | | Journal (article/letter/editorial) | | Springer-Verlag 1993 Printed in Austria Constraints on the Origin and the Genesis of Graphite-Bearing Rocks From...the Variegated Sequence of the Bohemian Massif (Austria) M. Schrauder 1'2, A. Beran 3, S. Hoernes 4, and...Summary Transitions between graphitic gneisses, graphite-bearing calcsilicate rocks and marbles of the...patterns of graphite-bearing rocks resemble those of average pelitic sediments. Graphite 613C_values...suggests a "peak"-temperature of 640-780°C for the graphite-bearing calcsilicates and marbles. Small scale |  | | Journal (article/letter/editorial) | | MINES AND MINERALS OF AUSTRIA By P H I L I P M O R R I L L East Derby, N . H., 0 3 0 4 1 ( P A R T III)...to enter is difficult to se cure. Mountain and mine can be seen to the S of the village. Siderite X...(cu bic) ; Bronzite. Knittelrield. Iron Ms. Pyrrhotite; Borickite ("Foucherite"); Opal. Fohnsdorf. Lignite...containing Orpiment and Realgar. Leoben. Iron Ms. Pyrrhotite; Goethite; Halloysite; Variscite; Wad; Borickite;...16 Miles Do not scale. Uooer Austria Altaussee tsch# Lower Austria Yugoslav! VII STYR1A ROCKS AND |  | | Journal (article/letter/editorial) | | oxide minerals have been previously identified in graphite-bearing quartzo-feldspathic gneisses derived from...minerals are described from the Green Giant vanadium-graphite property in southwest Madagascar. The vanadium-rich...Madagascar, graphite, oxyvanite, Green Giant, schreyerite. INTRODUCTION The Green Giant vanadium-graphite deposit...world, is a graphite-bearing trend, and is separated by approximately 15 km from the Molo Graphite Project...with graphite (e.g., Rose 1973), few localities of this type have been described. Vanadium-graphite localities |  | | Journal (article/letter/editorial) | | particular, the paper of Professor E. F. Stumpfl (Austria) was devoted to a comparative description of the...and so-called granite gneiss domes, which deter mine many of the characteristic features of the geologic...chalcopyrite, pyrrhotite, pyrite, sphalerite, and molybdenite) and also an increased amount of graphite in the...actinolite, epidote, graphite, quartz, and sulfides in minor amount. In the lower part of the skarn segregation...numerous layers of graphite-bearing amphibolite bodies). The stratiform horizon of graphite-bearing amphibolites |  | | Report (issue) | | Graphite Chapter J of Critical Mineral Resources of the United States—Economic and Environmental Geology...http://periodic.lanl.gov/images/periodictable.pdf. Cover. Graphite. U.S. quarter for scale. Mineral collection of...Photograph by Andrew Silver (BYU index 1-1023a). Graphite By Gilpin R. Robinson, Jr., Jane M. Hammarstrom...Jr., Hammarstrom, J.M., and Olson, D.W., 2017, Graphite, chap. J of Schulz, K.J., DeYoung, J.H., Jr.,............... J1 Commercial Classifications of Graphite.............................................. |  | | Book (edition) | | of pyrite (creme) is much higher than that of graphite (brownish grey), which shows grooves at the contact...main axes of the lattice, while the hexagonal graphite is made up of carbon sheets with very little bonding...nature when observed under XPL; the matrix is pyrrhotite. Left (bottom): Polysynthetic hematite twinning...(continued) Pressure twins are commonly found in graphite or molybdenite, where they are easily identified...grains. Left: Simple (upper right) and complex (lower left) twinning of gudmundite (blue and brown anisotropy) |  | | Journal (article/letter/editorial) | | association with amphibolites, marbles and accompanying graphite gneisses. Fine-grained garnets contain (mol. %)...Novosedly Šebanov lda 20 km Český Krumlov Austria Mo N ath oli th České Budějovice Fig. 1...abundant layers of marble, calc-silicate gneiss, graphite gneiss, quartzite and amphibolite in addition...1995) and the Mesoproterozoic Dobra gneiss in Lower Austria (Gebauer and Friedl 1994; Friedl et al. 2004)...quartzite calc-silicate gneiss amphibolite graphite gneiss orthogneiss/granulite locality of Mn-rich |  | | Journal (article/letter/editorial) | | University of Graz, Universitätsplatz 2, 8010 Graz, Austria Present address: Geoscience Center, Georg-August-University...5020 Salzburg, Austria 4 Department of Hard Rock Geology, Geological Survey of Austria, Neulinggasse 38...Vienna, Austria 5 NAWI Graz Geocenter, University of Graz, Heinrichstraße 26, 8010 Graz, Austria e-mail:...metamorphism reaching granulite facies metamorphism at lower crustal depth of ∼35 km subsequently followed by...Mineralogy and Petrography, Innrain 52, 6020 Innsbruck, Austria e-mail: max.albertus@student.uibk.ac.at 1 The |  | Cabral, Alexandre Raphael, Zeh, Armin, Viana, Nívea Cristina da Silva, de Castro, Marco Paulo, Laufek, František, Lehmann, Bernd, Queiroga, Gláucia (2019) Alabandite (MnS) in metamorphosed manganiferous rocks at Morro da Mina, Brazil: palaeoenvironmental significance. European Journal of Mineralogy, 31 (5) 973-982 doi:10.1127/ejm/2019/0031-2879 | Journal (article/letter/editorial) | | 3 ± 1.4 mol% FeS and makes up aggregates with graphite and molybdenite. A comparison of alabandite occurrences...mineral assemblages: (1) alabandite + graphite; (2) alabandite + graphite + molybdenite; (3) alabandite + rhodochrosite...metamorphic overprint. Key-words: alabandite; graphite; molybdenite; palaeoenvironment; redox conditions;...component (Roy, 1965), together with ubiquitous graphite and a variety of manganese-silicate minerals,...collected from the ore pile of the Morro da Mina mine. Polished sections were prepared for reflected-light |  | | Journal (article/letter/editorial) | | metamorphism. The core of the grains is a product of the lower-grade M1 metamorphic event, whereas the intermediate...with quartz-rich rocks containing organic matter (graphite). Badalov (1951) reported the occurrence of V-bearing...V-bearing tourmaline in black quartz–graphite hornfels from Uzbekistan. Vanadium-bearing tourmaline also...(Snetsinger 1966, Foit & Rosenberg 1979), the Kwal district, Kenya (Schmetzer et al. 1979), Bítovánky, Czech...Russia (Kazachenko et al. 1993), and Amstall, Lower Austria (Ertl et al. 2008). Vanadium-bearing tourmaline |  | | Journal (article/letter/editorial) | | Institut der Universit/it, A-6020 Innsbruck, Austria Abstract. During Tertiary regional metamorphism...calcareous metasediments, reaction of pyrite to pyrrhotite is suggested by regional distribution and textural... In rocks without graphite pyrite is common at all metamorphic grades. In graphite bearing rocks, however...Fe-sulfide is pyrite at lower grade and pyrrhotite at higher grade. Furthermore, in graphite bearing high grade...pyrite-pyrrhotite relations. Increase of temperature is most effective by increase of pyrrhotite vs. pyrite |  | | Book (edition) | | 01-50 V 76 78 80 82 Mineral Strunz-Group Graphite Sulfur Selenium Tellurium I/B.02-10 I/B.03-10...298 300 302 304 306 308 310 312 314 316 318 Pyrrhotite Smythite Nickeline Breithauptite Freboldite Polarite...(yellowish white), quartz (dark grey); New Bullfrog mine, Nye Co., Nevada, USA [h]; Nic. // Anhedral electrum...(greenish grey), quartz (dark grey); New Bullfrog mine, Nye Co., Nevada, USA [h]; Nic. // Anhedral electrum...(bluish grey shades), quartz (dark grey); New Bullfrog mine, Nye Co., Nevada, USA [h]; Nic. // 8 Gold A |  | | Journal (article/letter/editorial) | | anti Petrology © Springer-Verlag1997 Printed in Austria Origin of tourmaline and oxide minerals from the...Institute of Geosciences, University of Leoben, Austria 2 Hindustan Zinc Limited, Udaipur, India With 8...with biological activity is indicated by high graphite contents and light 6 asc values (Deb, 1992; Deb...S100 00 N100 N200 I 1 N 300 N 400 Control lower [ ] Fig. 2. Simplified geological map of Rampura-Agucha...structure of elliptic shape. The orebody, hosted by graphite-mica-sillimanite schists, is lens-shaped with |  | | Book | | times, and there is evidence of at least one flint mine dating from this period. Finely worked and polished...derives its name from the saltmining district of Hallstatt in Upper Austria, where many prehistoric finds have...charges is sometimes disobeyed by Nature. Thus pyrrhotite FeS, for example, nearly always contains a dehcit...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 |  | | Journal (article/letter/editorial) | | SPODUMENE-BEARING QUARTZ VEINS OF THE RIST EMERALD MINE, HIDDENITE, NORTH CAROLINA MICHAEL A. WISE§ Department...compositions of the emerald occurrence at the Rist mine, Hiddenite, North Carolina, in order to provide...Late precipitation of pyrite, chabazite-Ca and graphite suggests that low temperatures and reducing conditions...chromian spodumene, hydrothermal quartz vein, Rist mine, Hiddenite, North Carolina. SOMMAIRE Nous avons...minéraux associés au gisement d’émeraude situé à la mine Rist, à Hiddenite, en Caroline du Nord, afin d’établir |  | | | | surrounded ce ne white calcite, from!iheBluebell Mine; Riondel, Digitized by the Internet Archive...element. Gold, copper, silver, platinum, bismuth and graphite fall in this subdivision. Sulphides and arsenides:... chalcopyrite, covellite, pyrite, marcasite, pyrrhotite, pentlandite, stibnite, cobaltite, arsenopyrite...description is not clear, e.g., submetallic, for graphite. Adamantine: brilliant, hard, durable, e.g., diamond...tint), p. 82 pyrrhotite (bronze yellow), p. 50 chalcocite (dark grey), p. 34 | graphite (steel grey, |  | | Journal (article/letter/editorial) | | combining the commodity (lines) shown by numbers plus lower caps with the host rocks or structure (columns)...use . . . . . . . . . . . . . . . . . . . . . Graphite . . . . . . . . . . . . . . . . . . . . . . ....mineralogy of graphite. . . . . . . . . . . . . . . 50.2. Magmatic deposits of graphite . . . . . . ....Structure-bound graphite deposits . . . . . . . . . . . . . . . . 50.4. Sedimentary graphite deposits . ...50.5. Metamorphic graphite deposits . . . . . . . . . . . . . . . . . . 50.6. Graphite supply and use | | | Journal (article/letter/editorial) | | combining the commodity (lines) shown by numbers plus lower caps with the host rocks or structure (columns)...use . . . . . . . . . . . . . . . . . . . . . Graphite . . . . . . . . . . . . . . . . . . . . . . ....mineralogy of graphite. . . . . . . . . . . . . . . 50.2. Magmatic deposits of graphite . . . . . . ....Structure-bound graphite deposits . . . . . . . . . . . . . . . . 50.4. Sedimentary graphite deposits . ...50.5. Metamorphic graphite deposits . . . . . . . . . . . . . . . . . . 50.6. Graphite supply and use |  | Gregurek, D., Melcher, F., Pavlov, V. A., Reimann, C., Stumpfl, E. F. (1999) Mineralogy and mineral chemistry of snow filter residues in the vicinity of the nickel-copper processing industry, Kola Peninsula, NW Russia. Mineralogy and Petrology, 65 (1) 87-111 doi:10.1007/bf01161578 | Journal (article/letter/editorial) | | and Petrology © Springer-Verlag 1999 Printed in Austria Mineralogy and mineral chemistry of snow filter...of Geological Sciences, University of Leoben, Austria 2 Central Kola Expedition, Monchegorsk, Russia...(flotation) plants at Zapoljarnij, 2) the open pit mine near Zapoljarnij, 3) the nickel smelter at Nikel...and disseminated ores of the Pechenga deposits, pyrrhotite, pentlandite, chalcopyrite and magnetite are...is diverse (Likhachev, 1994) and includes the pyrrhotite group (troilite, monoclinic and hexagonal pyrrhotites) |  | | Journal (issue) | | JANUARY–FEBRUARY 2019 Articles The Almadén mining district, Ciudad Real, Spain ............................ Maharashtra, India 6 cm The Almade;n Mining District, Ciudad Real, Spain Borja Sainz de Baranda Graf...Alcala de Henares (Spain) The Almadén Mining District exploited the largest mercury deposit in the world...in 2012, the district was declared a World Heritage Site by Unesco. The Almadén District has yielded excellent...donharrisite. INTRODUCTION The Almadén mining district exploited the largest mercury deposit in the world |  | Radosavljević-Mihajlović, Ana S., Stojanović, Jovica N., Radosavljević, Slobodan A., Pačevski, Aleksandar M., Vuković, Nikola S., Tošović, Radule D. (2017) Mineralogy and genetic features of the Cu-As-Ni-Sb-Pb mineralization from the Mlakva polymetallic deposit (Serbia) — New occurrence of (Ni-Sb)-bearing Cu-arsenides. Ore Geology Reviews, 80. 1245-1258 doi:10.1016/j.oregeorev.2016.08.036 | Journal (article/letter/editorial) | | chalcocite, native Ag, native Pb and litharge. Pyrrhotite, pyrite, chalcopyrite, cubanite, bismuthinite...Mohawk No 2 mine, Mobawk, Keweenaw Co., Michigan, USA (Moore, 1971), the Anarak District, central Iran...locations: Chile, Bolivia, Mexico, USA, Canada, Sweden, Austria, Czech Republic, France, Germany, Great Britain...discussed in detail. SC The Podrinje metallogenic district (PMD) belongs to the Serbo-Macedonian Metallogenic...ore mineralization types: i) massive sulfide (pyrrhotite-chalcopyrite-pyrite associated with Ag and Bi); |  | | Journal (article/letter/editorial) | | anti Petrology © Springer-Verlag 1995 Printed in Austria Re-Mo-Cu-Os sulphide from the Ekojoki Ni-Cu deposit...cumulate body about 1 km NW from the Vammala N i - C u mine in southern Finland (Fig. 1). The Ekojoki intrusion...assemblage in the Ekojoki Ni-Cu(-PGE) deposit is pyrrhotite (po) + pentlandite(pn) + chalcopyrite(cpy) _+...pentlandite are present as exsolved flames in pyrrhotite. Cubanite lamellae and pentlandite flames or...ubiquitous in pentlandite. Minor phases include graphite, gersdorffite, nickeline, various tellurides (Ag-; |  | | Journal (issue) | | Metaliferi Mts. 15 4. Baia Mare metallogenic district 64 5. Other sources of native gold from Romania...metal gold pans, as well as a replica of the famous mine carriage which is considered to be the oldest of...unit. For instance, in BradSăcărâmb metallogenic district, the Au:Ag ratio is relatively uniform (45% to...metallogenic criterion: province, subprovince, district, sector, field/ node (Fig. 2) . 7 Fig. 1. Example...relevant metallogenic units (node, field, sector, district) were made. For samples sourced abroad, a summary |  | Barkov, A. Y., Martin, R. F., Poirier, G., Men'shikov, Y. P. (2000) ZONED TUNGSTENOAN MOLYBDENITE FROM A FENITIZED MEGAXENOLITH IN THE KHIBINA ALKALINE COMPLEX, KOLA PENINSULA, RUSSIA. The Canadian Mineralogist, 38 (6) 1377-1385 doi:10.2113/gscanmin.38.6.1377 | Journal (article/letter/editorial) | | euhedral crystals (~50–60 m in length), enclosed by pyrrhotite, and abundant veinlets among silicates. The crystals...occurrences of titaniumand niobium-rich sulfides and a graphite-like material. Keywords: tungsten, molybdenite...idiomorphes (~50–60 m in length) inclus dans la pyrrhotite, et en veinules filamenteuses parmi les silicates...titane et niobium et d’un matériau ressemblant au graphite. (Traduit par la Rédaction) Mots-clés: tungstène...partly replaced by a member of the sodalite group. Pyrrhotite (Ti–V-free), which is partly replaced by marcasite |  | | Catalog/List | | ___ 2x2£3 ___ - -----~ - ~014_ _ 88 ADAMITE Ojuela Mine, Mapimi, Mexico 69 ALUMOHYDROCALCITE South Bay,...-- ·- · ~~1 ~0/~ 2 AEGIRINE Mount Malosa, Zomba District, Malawi 1073 AMBL YGONITE Eitarama,Ruanda, Central...- - --··---- - - - - - · . 767 AJOITE Christmas Mine, Gila County, Arizona USA 17 ANAL CITE Talisker...North Sweden 501 ALLOPHANE New East Whcal Russell mine, Devon ,England variety VIRIDINE (Mangan rich variety)...217 ANDORITE San Jose Mine, Oruro, Bolivia 1129 ■ ALMANDINE Brnstad iron Mine near Arendnl ,Norway Pure |
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