 | | Journal (article/letter/editorial) | | eclogites from Svetlik, the Moldanubian Zone (Czech Republic) S. W. Faryad1 , M. Perraki2 , and S. Vrána3...Structural Geology, Charles University, Prague, Czech Republic 2 Department of Geo-Sciences, School of Mining...Athens, Athens, Greece 3 c=o Czech Geological Survey, Prague, Czech Republic Received August 24, 2005; accepted...rods in clinopyroxene and cuboids of disordered graphite in garnet) that are usually known from ultra-high...component (?) and cuboid inclusions of disordered graphite in garnet that have formed either by precipitation |  | Havelcová, Martina, Machovič, Vladimír, René, Miloš, Sýkorová, Ivana, Lapčák, Ladislav, Špaldoňová, Alexandra (2020) Geochemistry of shear zone-hosted uranium mineralisation at the Zadní Chodov uranium deposit (Bohemian Massif) Ore Geology Reviews, 120. 103428 doi:10.1016/j.oregeorev.2020.103428 | Journal (article/letter/editorial) | | AS CR, V Holešovičkách 41, 182 09 Prague 8, Czech Republic University of Chemistry and Technology, Prague...Prague 6, Czech Republic A R T I C LE I N FO A B S T R A C T Keywords: Brannerite Graphite Uranium Organic...meta-anthracite and semi-graphite stages, lamellas of crystalline graphite, and pyrobitumen, corresponding...Bohemian Massif the most important uranium ore district in the European Variscan belt. The most important...to crystalline hexagonal graphite. Possible ⁎ alterations in the graphite during retrograde metamorphism |  | Ader, Magali, Cartigny, Pierre, Boudou, Jean-Paul, Oh, Jae-Ho, Petit, Eddy, Javoy, Marc (2006) Nitrogen isotopic evolution of carbonaceous matter during metamorphism: Methodology and preliminary results. Chemical Geology, 232 (3) 152-169 doi:10.1016/j.chemgeo.2006.02.019 | Journal (article/letter/editorial) | | nitrogen depleted carbonaceous matter (semi-graphite to graphite transition) containing less than around...isotopes; Metamorphism; Kerogen; Carbonaceous matter; Graphite 1. Introduction Analysis of nitrogen content...corresponding to the meta-anthracite and semi-graphite stages, i.e. the ultimate stages of H, O, N, S...crystalline ordering and well crystallized graphite (graphite). For such intermediate to high metamorphic...of carbonaceous matter in a meta-anthracite to graphite sequence. 2. Geological background and material |  | Zhong, Yan, Ma, Xu-Dong, Li, Huai-Kun, Zhai, Ming-Guo (2019) Revisit and comparative analysis of the typical graphite deposits in the Paleoproterozoic khondalite series, western North China Craton: Implications for genesis, depositional environment and prospecting potential. Ore Geology Reviews, 109. 370-380 doi:10.1016/j.oregeorev.2019.04.023 | Journal (article/letter/editorial) | | Revisit and comparative analysis of the typical graphite deposits in the Paleoproterozoic khondalite series...Revisit and comparative analysis of the typical graphite deposits in the Paleoproterozoic khondalite series... Revisit and comparative analysis of the typical graphite deposits in the Paleoproterozoic khondalite series...maxudong2011@126.com Abstract: The phaneritic graphite deposits in the western North China Craton can...Paleoproterozoic khondalite series. To interpret why graphite is not ubiquitous among the Paleoproterozoic supracrustal |  | Korsakov, Andrey V., Zhimulev, Egor I., Mikhailenko, Denis S., Demin, Sergey P., Kozmenko, Olga A. (2015) Graphite pseudomorphs after diamonds: An experimental study of graphite morphology and the role of H2O in the graphitisation process. Lithos, 236. 16-26 doi:10.1016/j.lithos.2015.08.012 | Journal (article/letter/editorial) | | com/locate/lithos Graphite pseudomorphs after diamonds: An experimental study of graphite morphology and...online 3 September 2015 Keywords: Diamond Graphite Metastable graphite Pseudomorphs UHPM a b s t r a c t Experiments...been carried out to investigate the diamond-to-graphite transformation in “dry” and “wet” systems. Internal...Internal and external morphologies of graphite pseudomorphs after diamonds were studied by Raman spectroscopy...system, the results show that at 2.0–2.5 GPa, graphite pseudomorphs preserve the finest details of external |  | | Journal (article/letter/editorial) | | Constraints on the Origin and the Genesis of Graphite-Bearing Rocks From the Variegated Sequence of...Institut, Poppelsdorfer SchloB, Bonn, Federal Republic of Germany With 6 Figures Received January 14...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 |  | Wang, , Cao, , Peng, , Ding, , Li, (2019) Strain-Induced Graphitization Mechanism of Coal-Based Graphite from Lutang, Hunan Province, China. Minerals, 9 (10) 617 doi:10.3390/min9100617 | Journal (article/letter/editorial) | | Strain-Induced Graphitization Mechanism of Coal-Based Graphite from Lutang, Hunan Province, China Lu Wang , Daiyong... Abstract: Anthracite and coal-based graphite (CBG) samples were collected at varying distances...macerals and crystallization degree of different graphite-like particles. Differentiated graphitization...enhanced as the local graphite structure spreads. Keywords: coal-based graphite; strain-induced graphitization;...graphitization; Lutang mining area 1. Introduction Graphite, as a raw material for the production of new carbon |  | | Journal (article/letter/editorial) | | Graphitization of organic matter and fluid-deposited graphite in Palaeoproterozoic (Birimian) black shales of...F . L A U F E K 1 1 Czech Geological Survey, Klárov 3, Praha 1, Czech Republic (bohdan.kribek@geology...Mechanics, Czech Academy of Sciences, V Holešovičkách 41, 182 09 Praha 8, Czech Republic 3 Institute...Chemical Technology, Technická 5, 166 28 Praha 6, Czech Republic ABSTRACT Palaeoproterozoic black shales form...structural ordering corresponding to well-ordered graphite. Type I particles represent original organic matter |  | | Journal (issue) | | abandoned mines? M. Lucarini, R. Carta, F. Fumanti, L. Martarelli & M. Serra 27 Hidden graphite resources...Butcher Battery raw materials (cobalt, lithium, graphite, and nickel) are essential for a technologically-advanced...with its available mineral resources (deposits and mines), industry (metallurgy, refining) and technical...matières premières de batteries (cobalt, lithium, graphite, nickel) sont essentielles pour une société technologiquement...Finlande, avec ses ressources minérales (gisements et mines), son industrie (métallurgie, raffinage) et son |  | | Journal (article/letter/editorial) | | photo November/December: Silver, Kongsberg silver mines, Kongsberg, Buskerud, Norway; Joaquín Folch Girona...Lakes, Founder of the Famed Colorado School of Mines Geology Museum, B. Simmons, K. Honda, 426–53 Artinite...New York State in the Collection of the École des Mines, Paris, France, L. Touret, 264–75 Belley, P., see...North-Central Ohio, 150–59 Carrollite, Democratic Republic of Congo, 364–65 Catapleiite, Virginia, 355 Cavallerano...New York—Part 3: Oxbow Road Cut, 254–62; The Graphites of New York: Scientific and Aesthetic Surprises |  | Kříbek, Bohdan, Sýkorová, Ivana, Machovič, Vladimír, Knésl, Ilja, Laufek, František, Zachariáš, Jiří (2015) The origin and hydrothermal mobilization of carbonaceous matter associated with Paleoproterozoic orogenic-type gold deposits of West Africa. Precambrian Research, 270. 300-317 doi:10.1016/j.precamres.2015.09.017 | Journal (article/letter/editorial) | | Zachariáš d a Czech Geological Survey, Geologická 6, 152 00 Prague 5, Czech Republic Institute of Rock...Mechanics, Czech Academy of Sciences, V Holešovičkách 41, 182 09 Prague 8, Czech Republic c Institute...Chemical Technology, Technická 5, 166 28 Prague 6, Czech Republic d Institute of Geochemistry, Mineralogy and...University in Prague, Albertov 6, 128 43 Prague 2, Czech Republic b a r t i c l e i n f o Article history:...26 September 2015 Keywords: Carbonaceous matter Graphite Gold deposits Paleoproterozoic West Africa a |  | Jaszczak, John A., Trinchillo, Daniel (2013) Miracle at Merelani A Remarkable Occurrence of Graphite, Diopside, and Associated Minerals from the Karo Mine, Block D, Merelani Hills, Arusha Region, Tanzania. Rocks & Minerals, 88 (2) 154-165 doi:10.1080/00357529.2013.763671 | Journal (article/letter/editorial) | | Miracle AT Merelani A Remarkable Occurrence of Graphite, Diopside, and Associated Minerals from the Karo...Merelani Hills Arusha Region, Tanzania T he gem mines of the Merelani Hills, Arusha Region, Tanzania (fig...of the history, geology, and mineralogy of these mines has been given by Wilson et al. (2009). 154 ROCKS...com A pocket of exceptionally fine crystals of graphite, perhaps the finest in the world, was discovered...and beauty, the graphite crystals are covered by a secondary overgrowth of graphite that contains rare |  | | Report (issue) | | Strategic Graphite A Survey By EUGENE N. CAMERON and PAUL L. WEIS CONTRIBUTIONS TO ECONOMIC GEOLOGY...___________________-__--_---__------__--____________ The graphite problem--__-_____-----------------_---_._____...occurrence of natural graphite._-_.._._.___ Minerals associated with various types of graphite.____________________...production.________________________ Geology of graphite deposits in the United States__-_._________--...deposits in carbonate rocks._________________ Graphite resources and reserves.__________________________________ |  | | Journal (article/letter/editorial) | | THE ORIGIN OF GRAPHITE. Sir: Without entering into any discussionon the graphite. deposits whichhavebeenlistedas...desireto expressthroughyour columnssome remarks about graphite lodes which have come under my personalnotice...shearzonesand fissurel'odes carrying varying amountsof graphite mixed with other lodeforming minerals are common...Creekis'a highlypyritousore bodywith graphite, and the Mt. Ellison Copper Mines were also graphitizedlodes. In...fields,which are all in Pre-Cambrian formations, graphite is a common mineral in most shear zones and fissure |  | Miranda, Daniel Andrade, de Oliveira Chaves, Alexandre, Campello, Marcos Santos, Ramos, Sérgio Luís Lima de Moraes (2019) Origin and thermometry of graphites from Itapecerica supracrustal succession of the southern Sao Francisco Craton by C isotopes, X-ray diffraction, and Raman spectroscopy. International Geology Review, 61 (15) 1864-1875 doi:10.1080/00206814.2018.1564073 | Journal (article/letter/editorial) | | http://tandfonline.com/loi/tigr20 Origin and thermometry of graphites from Itapecerica supracrustal succession of the...Moraes Ramos (2019): Origin and thermometry of graphites from Itapecerica supracrustal succession of the...2018.1564073 ARTICLE Origin and thermometry of graphites from Itapecerica supracrustal succession of the...Horizonte, Brazil ABSTRACT ARTICLE HISTORY In the mines of the Nacional de Grafite Company around Itapecerica...including quartzite, garnet-biotite gneiss, and graphite schist formed in the Palaeoproterozoic (2.0 Ga) |  | | Report (issue) | | Strategic Minerals Inventory Summary Report-Natural Graphite Prepared as a cooperative eflort among earthscience...of Australia, Canada, the Federal Republic of Germany, the Republic of South Africa, the United Kingdom...Strategic Minerals Inventory Summary Report-Natural Graphite By Ulrich H. Krauss, Helmut W. Schmidt, Harold...of Australia, Canada, the Federal Republic of Germany, the Republic of South Africa, the United Kingdom...Congress Cataloging in Publication Data Natural graphite. (U.S. Geological Survey circular; 930-H) "Prepared |  | | Journal (issue) | | .......................... 421 by P. J. Dunn Graphite from Crestmore, California .....................minerals & fossils G eology Museum Colo. School o f Mines Curator: Virginia A. Mast Tel: (303) 273-3823 G...ide minerals & fossils N e w M exico Bureau o f Mines & Mineral Resources Mineral Museum M ineralogist/Curator:...stilbite on the specimens were typical of that region. Bill Birch (1977) similarly encountered cavansite...Basalts and related volcanic rocks of the Poona region of Mahar ashtra state are exceptionally rich in |  | | Book | | ; 18) Translated from the Czech. Bibliography: p. Includes index. 1. Mines and mineral resources. 2....literature on the subject and the work done by Czech and Slovak economic geologists since the establishment...fossil fuels) the term "non-ore" is only used in the Czech and older German and Polish literature· The Anglo-Saxon...utilization of known materials (e.g., chemically pure graphite applied as a moderator of fast neutrons in atomic...industrial minerals of magmatic origin (diamond, graphite, corundum, forsterite, apatite, eruptive rocks) |  | | Journal (article/letter/editorial) | | material in the Ryoke metamorphic rocks, Kinki district, Japan GE-FAN WANG* Department of Geology and...material in the Ryoke metamorphic rocks, Kinki district, Japan. Lithos, 22:305-316. Carbonaceous material...K_inki district, Japan, has been studied by X-ray diffraction (XRD) analysis. Detrital graphite in the...with different crystallinities. Fully-ordered graphite does not occur until the highest-grade part of...temperatures for the development of fully-ordered graphite are estimated to be between 410 o and 440 ° C |  | | Report (issue) | | technical in£onnati6n relative to· the p~oduetion of Graphite v?ill form a part of the volume• or volmne.s on...especially mica,, whicl1 is freque,n tly present in graphite- deposits. The useis of grapl1ite, aJ.~e n ume1"0...aphites in about equaJ p1·oportio11s. A flake graphite of l1igh graphitecontent may be useless for lubricating...the trade sense, and refers to that variety of graphite in which the particles are so fine as to give...special p~oses and of different v.alue. CeJ1lo11 graphite is sold a1s l11mp, ·chip and · .d ust., there |  | | Journal (article/letter/editorial) | | 1981 Isotopic 9 evidence for the origin of graphite+) P. HAHN-WEINHEIMER and A. HIRNER Institut fur...Munchen, Lichtenbergstr. 4, D-8046 Garching, Federal Republic of Germany (Received,September 12, 1980; Accepted...carbon in graphites from various localities is in general informative for the genesis of graphite. A differentiation...composition of graphites, five typical case studies are presented. INTRODUCTION In many tions graphite. samples...state, and and crystalline state as of graphite sources crust carbon, organic are a minor |  | Rodas, M., Luque, F. J., Barrenechea, J. F., Fernández-Caliani, J. C., Miras, A., Fernández-Rodríguez, C. (2000) Graphite occurrences in the low-pressure/high-temperature metamorphic belt of the Sierra de Aracena (southern Iberian Massif) Mineralogical Magazine, 64 (5) 801-814 doi:10.1180/002646100549805 | Journal (article/letter/editorial) | | Magazine, October 2000, Vol. 64(5), pp. 801–814 Graphite occurrences in the low-pressure/high-temperature...Spain ABSTR ACT Four distinct associations of graphite have been identified in the low-pressure, high-temperature...stratiform graphite mineralization within a calc-silicate series; (2) disseminated graphite within a terrigenous...(3) ‘restitic’ graphite within anatectic tonalites and their enclaves. Epigenetic graphite occurs as (4)...veins cross-cutting mafic granulites. Ê . Such Graphite in all types of occurrences is highly crystalline |  | Hurai, Vratislav, Paquette, Jean-Louis, Huraiová, Monika, Slobodník, Marek, Hvožďara, Pavel, Siegfried, Peter, Gajdošová, Michaela, Milovská, Stanislava (2017) New insights into the origin of the Evate apatite-iron oxide-carbonate deposit, Northeastern Mozambique, constrained by mineralogy, textures, thermochronometry, and fluid inclusions. Ore Geology Reviews, 80. 1072-1091 doi:10.1016/j.oregeorev.2016.09.017 | Journal (article/letter/editorial) | | Sciences, Masaryk University, 611 37 Brno, Czech Republic Matúškova 11, 831 01 Bratislava, Slovakia ...inferred from calcite-dolomite solvus data and graphite structural ordering span the interval from 815...the mechanism of Ostwald ripening, nucleation of graphite spherules along pyrrhotite-carbonate boundaries...high crystallization temperatures inferred from graphite structural ordering and calcitedolomite thermometry...inclusions were characterized in various apatite types. Graphite and calcite-dolomite thermometers were employed |  | | Journal (article/letter/editorial) | | organic matter is progressively transformed into graphite s.s. and the degree of organisation of CM is known...the latter estimates were obtained in the Bessi region, in the western part of the Sanbagawa belt, whereas...constant through the whole biotite zone in the Asemi region (Banno et al., 1986). Moreover, the regional presence...Nemanich & Solin, 1979). In the first-order region (Fig. 5), the graphite band (G band) occurs at 1580 cm)1 and...size (Nemanich & Solin, 1979). In the second-order region corresponding to overtone and combination scattering |  | | Journal (article/letter/editorial) | | biogenicorigin.As a reducingagent,organiccarbon(graphite)controlledthe localizationof Variscanhydrothermal...nts. Carbon-richformationswere depositedin the region of the BohemianMassifthroughoutmostof its geologichistory...carbon-richsediorganic matter is concentratedas graphite deposits 1988). The frequentassociation (Figs...Thesebitumenshavebeenstudiedparticularly in the P•ram ore district. The area extends alongthe northwestboundaryof-the...surface.This temperatureinterval corresponds GRAPHITES OF URANIUM DEPOSITS to temperaturesof carbonatecrystallizationin |
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Graphite mines, Branná, Šumperk District, Olomouc Region, Czech Republic