 | | 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 |  | | 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...(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)...longer fit into the same crystal lattice at the lower temperature; examples are, for instance, surplus |  | | | | element. Gold, copper, silver, platinum, bismuth and graphite fall in this subdivision. Sulphides and arsenides:...chalcopyrite, covellite, pyrite, marcasite, pyrrhotite, pentlandite, stibnite, cobaltite, arsenopyrite, molybdenite...description is not clear, e.g., submetallic, for graphite. Adamantine: brilliant, hard, durable, e.g., diamond...yellow), p. 50 chalcocite (dark grey), p. 34 | graphite (steel grey, black), p. 30 | stibnite (lead grey)...chromite, p. 80 Yellow gold (gold yellow), p. 18 pentlandite (light bronze yellow), p. 52 goethite (yellow |  | | Journal (article/letter/editorial) | | pseudomorphic after cubicmineralssuchas magnetiteand pentlandite. The occurrencesof Poschiavo,Brazil (exact location...3 Fro. 1. Awaruite (white) with thread-like graphite inclusions The gray idiomorphsare magnetite....FIG. 2. Awaruite (white) in serpentineafter pentlandite, which was partly crumpled. Poschiavo,Switzerland...Terra di Fonohetts,Bologna,Italy; 10. Knappenberg,Austria; 11. Brazil (exact locality not given); 12. Bogsanon...younger than the serpentine or serpentinization. Pentlandite--Heazlewoodite--Bravoite.--The cream-colored |  | | Book (edition) | | 01-50 V 76 78 80 82 Mineral Strunz-Group Graphite Sulfur Selenium Tellurium I/B.02-10 I/B.03-10...Oregonite II/B.12-50 Hauchecornite II/B.15-20 Pentlandite II/B.16-10 Miassite II/B.16-80 Mackinawite II/B...matrix (brownish grey), skutterudite (light grey, lower right corner); Core Drilling near Orahovac, Kosovo...(brownish pleochroism), silicates (dark grey); Basalt Quarry Bühl near Kassel, Germany [j]; Nic. // C Iron (dark...(brown and multicolour internal reflections); Basalt Quarry Bühl near Kassel, Germany [j]; Nic. + 20 Iron |  | | Book | | Gold, copper, si lver, platinum, bis1nutb and graphite fall in this subdivision. Sulph ides and ai·senides:...chalcopyiite, covellite, py1ite, marcasite, pytThotite, pentlandite, stibnite, cobaltite, arsenopyrite, molybdenite...pyrolusite (steel grey with bluish tint), p. 82 graphite (steel grey, black), p. 30 stibnite (lead grey)...chromite, p. 80 Yellow gold (gold yellow), p. 18 pentlandite(light bronze yellow), p. 52 goethite (yellow...Red-brown cinnabar (red), p. 96 12 . . .. . graphite (black), p. 30 pyrolusite (grey to black), p. |  | | Journal (article/letter/editorial) | | ancl Petrology © Springer-Verlag 1992 Printed in Austria Platinum-Group Minerals and Tetraauricupride in...assemblage of inclusions consisting mainly of graphite, C u - F e - and pure Cu sulphides, sperrylite...using heated graphite atomizer (Athens University). Mineralogy Inclusions of pentlandite, pyrrhotite... pyrrhotite, pyrite, Cu-Fe- and Cu sulphides, graphite, tetraauricupride and sperrylite. The serpentinized...1). Ni-Fe Sulphides in Chromite Pyrrhotite, pentlandite and chalcopyrite occur as small inclusions in |  | 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...fingerprint different sources. PGE-bearing sulphides (pentlandite with 0.2-0.3 wt% Pd) have been observed in the...disseminated ores of the Pechenga deposits, pyrrhotite, pentlandite, chalcopyrite and magnetite are the 92 D....(troilite, monoclinic and hexagonal pyrrhotites), pentlandite, chalcopyrite-group (chalcopyrite, talnakhite |  | | Journal (article/letter/editorial) | | anti Petrology © Springer-Verlag 1995 Printed in Austria Re-Mo-Cu-Os sulphide from the Ekojoki Ni-Cu deposit...Ekojoki Ni-Cu(-PGE) deposit is pyrrhotite (po) + pentlandite(pn) + chalcopyrite(cpy) _+ cubanite(cb) + mackinawite(mw)...mackinawite(mw). Chalcopyrite and pentlandite occur mostly as anhedral polycrystalline aggregates and veinlets...amounts of pentlandite are present as exsolved flames in pyrrhotite. Cubanite lamellae and pentlandite flames...mackinawite 'worms' are ubiquitous in pentlandite. Minor phases include graphite, gersdorffite, nickeline, various |  | | 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 |  | Benkó, Zsolt, Mogessie, Aberra, Molnár, Ferenc, Krenn, Kurt, Poulson, Simon R., Hauck, Steven, Severson, Mark, Arehart, Greg B. (2015) Hydrothermal alteration and Cu–Ni–PGE mobilization in the charnockitic rocks of the footwall of the South Kawishiwi intrusion, Duluth Complex, USA. Ore Geology Reviews, 67. 170-188 doi:10.1016/j.oregeorev.2014.11.010 | Journal (article/letter/editorial) | | University of Graz, Universitätsplatz 2, 8010 Graz, Austria Geological Survey of Finland, Betonimiehenkuja...for CH4–N2–H2O–NaCl inclusions) are significantly lower than the p–T conditions (N 700 °C and 1.6–2 kbar)...the carbonic assemblages (CO2; CH4) could be the graphite, present in the metasedimentary hornfelsed inclusions...University of Graz, Universitätsplatz 2, 8010 Graz, Austria. Tel.: +43 36 20 595 9363 (mobile). E-mail addresses:...Early Proterozoic Biwabik Iron Formation and the graphite- and pyrite-bearing Virginia Formation. Multiple |  | Raič, Sara, Mogessie, Aberra, Benkó, Zsolt, Molnár, Ferenc, Hauck, Steven, Severson, Mark (2015) ARSENIC-RICH Cu-Ni-PGE MINERALIZATION IN WETLEGS, DULUTH COMPLEX, ST. LOUIS COUNTY, MINNESOTA, USA. The Canadian Mineralogist, 53 (1) 105-132 doi:10.3749/canmin.1400053 | Journal (article/letter/editorial) | | University of Graz, Universitätsplatz 2, 8010 Graz, Austria ZSOLT BENKÓ Institute for Nuclear Research, 4026...magmatic intercumulus pyrrhotite, chalcopyrite, pentlandite, and cubanite. Secondary copper-bearing sulfide...sulfide minerals are pyrrhotite, chalcopyrite, pentlandite, and cubanite. Underlying metasedimentary footwall...have been contact metamorphosed to cordierite- or graphite-bearing hornfels with local occurrences of bedded...patches of interstitial pyrrhotite, chalcopyrite, pentlandite, cubanite, and minor bornite. Semi-massive to |  | | Journal (article/letter/editorial) | | Graz, Austria a University of Graz, NAWI Graz Geocenter, Geology and Paleontology, Graz, Austria (kurt...Graz Geocenter, Petrology and Geochemistry, Graz, Austria (aberra.mogessie@uni-graz.at) c Corresponding...University of Graz, Universitätsplatz 2, 8010 Graz, Austria New address of corresponding author: Geological...study, Pasteris et al. (1995) could find CH4, graphite and magnesite inclusions in olivine, which they...major units, referred to as the upper BT4 and the lower BT1, which from top to bottom contain several subunits |  | | Book | | periods of stability PLANET | 114 San Carlos district, Chihuahua, Mexico * 8 x 4 x 2 om are uncommon...each other. very dark or black (for example, graphite). Alternatively, if very little of the color...anything at all through an opaque mineral such as graphite. Transparent 25 Density Density is the mass...both diamond and graphite are made of carbon (C), diamond feels heavier than graphite because its carbon...centimeter of diamond than in the same volume of graphite. So although both minerals are made of the same |  | | Book | | more crystal structures. Carbon as diamond or graphite is a familiar example. A mineral material called...called cliftonite found in certain meteorites is graphite pseudomorphing diamond, alpha (low temperature)...alpha quartz. b. Monotropic (irreversible); e.g., graphite after diamond or low (alpha) quartz after stishovite...composition into an opaque amorphous mass with much lower properties, such as refractive index and specific...replaces primary nickel sulfide minerals such as pentlandite (Misra and Fleet, 1974; Nickel, 1973). The nickel | | | Book | | A CHANGING PLANET 11 Vanadinite, San Carlos district, Chihuahua, Mexico * 8 x 4 x 2 cm Mineral Species...see it as being very dark or black (for example, graphite). Alternatively, if very little of the color in...anything at all through an opaque mineral such as graphite. Density is the mass per unit volume of a mineral...both diamond and graphite are made of carbon (C), diamond feels heavier than graphite because its carbon...centimeter of diamond than in the same volume of graphite. So although both minerals are made of the same |  | | Journal (article/letter/editorial) | | ana Petrology © Springer-Verlag 1995 Printed in Austria Magma-country rock interaction and the genesis...indicated by the presence of minor phases such as graphite, ZnS, PbS, MoS2, an unknown R e - M o - C u -...Nickel Belt parallels the migmatite belt between the lower grade Tampere and H~imeenlinna schist belts and...Major shear zones separate the migmatite zone from lower grade schist belts to the north (Nironen, 1989)...conductive anomaly, probably caused by sulphide- and graphite-bearing rocks (Korja, 1990). The geochemical maps |  | | Book (edition) | | dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....Menzenschwand Scbwarzwald Mts., in the Sailauf quarry, Spessart Mts., Bavaria. both Germany, and from...Grossgreiner Mt., overlooking Zillertal Valley, Tirol, Austria, and at Passo di Vizze, Trentino-Alto Adige, Italy...Counties, California, etc. At Jordan6w Slcl5ki, Lower Silesia, Poland. The oldest known deposits of white...to Hot Springco., Arkansas, in the Point of Rock quarry, pearly. Clea,·age {001} perfect. {100} and {010} |  | | Journal (article/letter/editorial) | | ano Petrology © Springer-Verlag 1998 Printed in Austria Platinum-, palladium- and gold-rich arsenide ores...sulfide ores (S ores) composed of pyrrhotite, pentlandite and chalcopyrite with minor amounts of cubanite...which locally occurs intergrown with Ag-free pentlandite; 2) sulfide/arsenide ores (S/As ores) made up...corroded and replaced by nickeline (locally with graphite), with gersdorffite filling discordant veins,...and quartz, with garnet, cordierite, hornblende, graphite or sillimanite concentrated within discret bands |  | Parnell, J., Armstrong, J., Brolly, C., Boyce, A.J., Heptinstall, E. (2020) Carbon in mineralized ultramafic intrusions, caledonides, northern Britain. Lithos, 374. 105711pp. doi:10.1016/j.lithos.2020.105711 | Journal (article/letter/editorial) | | July 2020 Keywords: Graphite Carbon Cumulates Scotland a b s t r a c t Graphite in Ordovician ultramafic...many examples of graphite in ultramafic intrusions. The sedimentary origin of the graphite carbon is indicated...range as in the country rocks (mean − 21.6‰). The graphite is spatially and temporally associated with nickel-bearing...country rocks into the intrusions. Raman spectra for graphite in the intrusions show it is fully ordered, deposited...orogenic belt of northern Britain. The largest graphite deposit in Britain is in subduction-related Ordovician |  | Bischoff, Addi, Barrat, Jean-Alix, Bauer, Kerstin, Burkhardt, Christoph, Busemann, Henner, Ebert, Samuel, Gonsior, Michael, Hakenmüller, Janina, Haloda, Jakub, Harries, Dennis, Heinlein, Dieter, Hiesinger, Harald, Hochleitner, Rupert, Hoffmann, Viktor, Kaliwoda, Melanie, Laubenstein, Matthias, Maden, Colin, Meier, Matthias M. M., Morlok, Andreas, Pack, Andreas, Ruf, Alexander, Schmitt-Kopplin, Philippe, Schönbächler, Maria, Steele, Robert C. J., Spurný, Pavel, Wimmer, Karl (2017) The Stubenberg meteorite-An LL6 chondrite fragmental breccia recovered soon after precise prediction of the strewn field. Meteoritics & Planetary Science, 52 (8) 1683-1703 doi:10.1111/maps.12883 | Journal (article/letter/editorial) | | 2016 at 21:36:51 UT, extended areas of Upper Austria, Bavaria (Germany) and the southwestern part of...local evening, UT+1 h), extended areas of Upper Austria, Bavaria, and the southwestern part of the Czech...farmland. The river “Inn” marks the border to Austria in the south. Source of base map: Google Earth...predicted impact area near the village of Stubenberg in Lower Bavaria has a complicated irregular shape (Fig....farmland (Fig. 1). Stubenberg is a small village in Lower Bavaria with a population of about 1400 residents |  | | Report (volume) | | of the same general type were discovered in the district. The occurrence at Hällinmäki was studied in detail...out extensive regional surveys in and around the district of Virtasalmi. The present author has been responsible...operations carried out in surveying the Virtasalmi district was the cooperative spirit that prevailed among.... . . . . . . . . . . . . . Mackinawite and pentlandite .................................... Pyrite....incentive for the survey project in the Virtasalmi district (Fig. 1.) was given by ore specimens sent to the |  | | Book | | CONTINENTS AND PLATES The division of the world into land and sea seems so natural and so timeless that it...(million years ago) at the end of the Permian, all land was joined in one supercontinent geologists named...Earth's crust is made from igneous rock, but on land, 75 per cent of it is hidden beneath a veneer of...be washed down through the rock to be deposited lower down as different minerals which become often valuable...surface. Contours on the 1:nap reveal the shape of the land surface. If these reveal an escarp1n.e nt with a |  | Barkov, A. Y., Tarkian, M., Laajoki, K. V. O., Gehör, S. A. (1998) Primary platinum-bearing copper from the Lesnaya Varaka ultramafic alkaline complex, Kola Peninsula, northwestern Russia. Mineralogy and Petrology, 62 (1) 61-72 doi:10.1007/bf01173762 | Journal (article/letter/editorial) | | allO Petrology © Springer-Verlag 1998 Printed in Austria Primary platinum-bearing copper from the Lesnaya...They are typically partially rimmed by rhodian pentlandite ( ~ 6 w t . % Rh). The copper crystals contain...known in maucherite, cobaltitegersdorffite and pentlandite (e.g., Cabri, 1992; Ripley and Chryssoulis, 1994)...dunites is more magnesian than that in dunites with a lower content of titanomagnetite, suggesting that olivine...ranging from ~,, 5 gm to 0.1 mm in diameter. Pentlandite. troilite (Fe/S ratio of 1.00), pyrite, millerite |  | | Book | | Rosemount-Apple Valley-Eagan (Minnesota) School District MNPS 107 549 Sli FOOOD4295 Minerals I M..."lead" in pencils is actually made of the mineral graphite. The walls in your house or apartn1ent are most...crystals. FAST FACT: One of the softest minerals, graphite, and one of the hardest minerals, diamond, are...contains no oxygen, the diamond will turn into graphite, one of the softest minerals. m - Proper ...in minerals, and in 1802, Mohs moved to Vienna, Austria, to organize the banker's mineral collection. At |
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