| | Journal (article/letter/editorial) | Accepted Manuscript Vein-type graphite deposits in Sri Lanka: The ultimate fate of granulite fluids ...Kehelpannala, Francesca Piccoli , Vein-type graphite deposits in Sri Lanka: The ultimate fate of granulite fluids...pertain. ACCEPTED MANUSCRIPT Vein-type graphite deposits in Sri Lanka: The ultimate fate of granulite fluids... Gaborone, Botswana Keywords: Sri Lanka; hydrothermal vein graphite; granulite; CO2 fluid; high salinity...Hydrothermal graphite vein deposits hosted in granulite facies metamorphic rocks in Sri Lanka are unique | | HEWATHILAKE, H.P.T. Sasanka, BALASOORIYA, N.W.B., NAKAMURA, Yoshihiro, PITAWALA, H.M.T.G.A., WIJAYASINGHE, H.W.M. Athula Chandana, SATISH–KUMAR, M. (2018) Geochemical, structural and morphological characterization of vein graphite deposits of Sri Lanka: Witness to carbon rich fluid activity. Journal of Mineralogical and Petrological Sciences, 113 (2) 96-105 doi:10.2465/jmps.170721 | Journal (article/letter/editorial) | morphological characterization of vein graphite deposits of Sri Lanka: Witness to carbon rich fluid activity...National Institute of Fundamental Studies, Kandy, Sri Lanka Mineral Resources and Technology, Department of...Technology, Uva Wellassa University, Badulla, Sri Lanka *** Department of Geology, Faculty of Science...Science, University of Peradeniya, Peradeniya, Sri Lanka † Graduate School of Science and Technology, Niigata...Ibaraki 305–8567, Japan ** Sri Lanka is endowed with high purity vein graphite deposits with extensive mineralization | | | Journal (article/letter/editorial) | 3749/canmin.48.5.1373 VEIN GRAPHITE FROM THE BOGALA AND KAHATAGAHA–KOLONGAHA MINES, SRI LANKA: A POSSIBLE ORIGIN...Physics, University of Peradeniya, Peradeniya, Sri Lanka Chantal DESCOLAS-GROS Institut des Sciences de...context of vein graphite from the Bogala and Kahatagaha– Kolongaha mines, Sri Lanka, according to their...13C/12C. The carbon isotopic data for the Bogala graphite, expressed as d13C, are in the range of –8.3 and...and –10.4‰, and the data for the Kahatagaha–Kolongaha graphite are in the range of –7.9 and –9.3‰. These | | | Journal (article/letter/editorial) | influence of the Himalayan collision tectonics to the north and the Burmese arc subduction tectonics to the...activity is found to be clustered mostly to the north of MBT. The earthquakes occurred at a depth range...evidenced by strike-slip fault earthquakes. In the western Himalaya, however, the tectonic model fits well...with the MEQ data. In the Himachal Pradesh of the western Himalaya the microearthquakes are mostly recorded...earthquakes in the Garhwal tectonic zone of the western Himalaya, the 1991 Uttarkashi earthquake (mb 6 | | | Book | Sri Lanka's mineral resources can enrich country's coffers Prashan Francis B.Sc. Special (Geo.,SL)...Gem &Jewellery Research & Training Institute, Sri Lanka (Ministry of Mahaweli Development and Environment)...Jewellery Research & Training Institute, Sri Lanka 2018 Sri Lanka's mineral resources can enrich country's...Gem & Jewellery Research & Training Institute, Sri Lanka All rights reserved. No part of this publication...Sutharshan 2018. ISBN 978-955-8382-04-2 Preface Sri Lanka is gifted with many varieties of high quality | | | Journal (article/letter/editorial) | CORRESPONDENCE Epigenetic Vein Graphite Mineralization in the Granulite Terrain of Sri Lanka K.V. Wilbert Kehelpannala...Hantnna Road, Kandy, Sri Lanka Sri Lanka is well known for high quality vein graphite, containing about...about 95-98% of pure carbon. This vein graphite is unique because of its high purity, high crystallinity,...of occurrence. Sri Lankan vein graphite is very similar in many aspects to the graphite deposit near Dillon...(Bastin, 1912; Kehelpannala, 1995). Vein graphite deposits in Sri Lanka are the largest of their kind in the | | | 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.............................................. | | | Journal (article/letter/editorial) | clarify the Late Mesozoic geotectonic history of the western Circum-Pacific orogenic belts (e.g., Yoshikura...data reveal that the tectonic model differs from western to central/eastern or northeastern Himalaya. In...influence of the Himalayan collision tectonics to the north and the Burmese arc subduction tectonics to the...activity is found to be clustered mostly to the north of MBT. The earthquakes occurred at a depth range...evidenced by strike-slip fault earthquakes. In the western Himalaya, however, the tectonic model fits well | | | Journal (article/letter/editorial) | 18-25 (1987) © Springer-Verlag !987 Graphite deposits of Sri Lanka: a consequence of granulite facies...2033, Australia Abstract. The vein graphite deposits of Sri Lanka are located in a Precambrian high grade...dominated by granulite facies rocks. The vein graphite has been interpreted as being of solid phase lateral...transport through the crust, the origin of the graphite is proposed to be the direct consequence of granulite...and precipitation of vein graphite. Textures and structures of the vein graphite indicate syntectonic deposition | | | Journal (article/letter/editorial) | Bulathkohupitiya,Sri Lanka K. K. M. W. SILVA Departmentof Geology,Universityof Peradeniya,Peradeniya,Sri Lanka Abstract...mineralization at Bogala comprisesseveral veins of graphite and a large vein of syenitepegmatite.Mineralogicaland...in the exploitationof known graphite deposits. Introduction THE Bogala mine is located about 10 km east...Colomboandis one of the largestgraphitedeposits in Sri Lanka. The mine hasbeen operatingfor the last 75 yearsandhasan...available on the regional aspectof graphite occurrence in Sri Lanka, only limited attentionhasbeen given | | | Journal (article/letter/editorial) | 997-1002 GEOLOGY, GENETIC TYPES, AND ORIGIN OF GRAPHITE IN SOUTH KERALA, INDIA K. SOMAN, Centrefor Earth...1912 all the Indian productionof graphite came from the Travancore mine, southKerala state(Fig. 1), where...13,000 tons from deposits similar to those of Sri Lanka (Roy, 1962). Because world demandin high-qual...high-qualityvein-typegraphiteis increasing,effortsare underwayin Sri Lankato reopen old graphiteworkings(Wijayanandaand...(Travancore's)geologicsimilarityto southSri Lanka and to the graphite-producing areasof the easternGhatsin India | | | Journal (article/letter/editorial) | Meanwhile Neoproterozoic/Eocambrian clastics from North America’s rift to drift successions show distinctly...provenance signatures. An ascending sampling of one of North America’s most westerly rift to passive margin successions...University, 836 Oya, Shizuoka 422-8529, Japan Graphite is a minor, but ubiquitous component in supracrustal...oxygen fugacity. The physical property of the graphite is characterised by high electrical conductivity...films of graphite in the grain boundary of the crystalline rocks. It is well known that graphite is widely | | | Journal (article/letter/editorial) | University, 836 Oya, Shizuoka 422-8529, Japan Graphite is a minor, but ubiquitous component in supracrustal...oxygen fugacity. The physical property of the graphite is characterised by high electrical conductivity...films of graphite in the grain boundary of the crystalline rocks. It is well known that graphite is widely...distributed in supracrustal rocks of southern India, Sri Lanka, Madagascar and East Antarctica, originally components...components of the Gondwana continent. These graphite bearing supracrustal rocks are generally highgrade | | | Journal (article/letter/editorial) | cordierite-almandine - A key to the metamorphic history of Sri Lanka. Prec. Res. 25:349-364 (1984) Ramsay, J.G., Huber...M., Akhulediani, R.A., Ketskhoveli, D.N.: The graphite geothermometer. Dokl. Akad. Nauk SSR 235: 132-134(1979)...Silva, K.K.M.W.: Tectonic control of graphite mineralization in Sri Lanka. Geol. Mag. 111:307-312 (1974) Sturt...the mineralogy of the graphite deposits of Ceylon; a note on the origin of graphite. Ceylon Dept. Mineral...Friedman, I., Gleason, J.P.: The origin of epigenetic graphite: evidence from isotopes. Geoch. Cosmoch. Acta | | | Journal (article/letter/editorial) | thickening in the high-grade gneiss terrain of Sri Lanka A. Kr6ner *'a, K.V.W. Kehelpannalaa and Leo M...April 22, 1993 ABSTRACT The Highland Complex ofSri Lanka comprises a ~ 7 km thick succession of banded para-...granulite terrains, notably parts of the Grenville Province of Canada, and probably resulted from collisional...Introduction The basement rocks of central and western Sri Lanka consist of a thick package of intensely deformed...6°N - km Fig. I. Simplified geologicalmap of Sri Lanka showingmajor tectonostratigraphicunits and localities | | | Journal (article/letter/editorial) | Pyroxenites from the High-Grade Gneiss Terrain of Sri Lanka K.V. Wilbert Kehelpannala liistitirte of Fuiidaiirentnl...Fuiidaiirentnl Studies, Hnntniiil R o d , Knndy, Sri Lnnka The mineral scapolite is a n important indicator...Complex of Sri Lanka (Fig. 1). Modes of Occurrence of Scapolite in Sri Lanka In Sri Lanka, scapolite...metasomatic mineral in altered granulites close to graphite veins (Kehelpannala, 1993), (iii) as a major mineral...also found as a gem mineral in gem gravels of Sri Lanka (e.g. Rodrigues, 1991), the source of which is | | Luque, F. J., Huizenga, J-M., Crespo-Feo, E., Wada, H., Ortega, L., Barrenechea, J. F. (2014) Vein graphite deposits: geological settings, origin, and economic significance. Mineralium Deposita, 49 (2) 261-277 doi:10.1007/s00126-013-0489-9 | Journal (article/letter/editorial) | Deposita DOI 10.1007/s00126-013-0489-9 ARTICLE Vein graphite deposits: geological settings, origin, and economic...Springer-Verlag Berlin Heidelberg 2013 Abstract Graphite deposits result from the metamorphism of sedimentary...mechanisms of transport, and the factors controlling graphite deposition are discussed in relation to their...geological settings. Carbon in granulite-hosted graphite veins derives from sublithospheric sources or...CO2-rich fluids from which it can precipitate. Graphite precipitation can occur by cooling, water removal | | | Journal (article/letter/editorial) | com/locate/gsf RESEARCH PAPER Carbon isotopes of graphite: Implications on fluid history F.J. Luque a,b...2011 Available online 13 December 2011 KEYWORDS Graphite; Carbon isotopes; Crust; C-O-H fluids Abstract...cycle. Carbon isotope ratios in fluid-deposited graphite are powerful tools for unravelling the ultimate...history and the mechanisms involved in graphite deposition. Graphite precipitation in fluid-deposited occurrences...closed systems, carbon isotope systematics in graphite is mainly governed by Rayleigh precipitation and/or | | | Journal (article/letter/editorial) | The origin of epigenetic graphite: evidence from isotopes PAUL L. WElS U.S. Geological Survey, Spokane...syngenetic graphite, epigenetic graphite, and graphitic marble suggests that syngenetic graphite forms only...rock. Epigenetic graphite forms only from carbonaceous material or preexisting graphite. The reactions...about 50-100°C lower. INTRODUCTION THE ORIGIN of graphite has been debated by geologists for very many years...organic matter in sediments may be converted to graphite by metamorphism (WALCOTT, 1898; BASTIN, 1910; | | | Journal (article/letter/editorial) | Netherlands 121 [3] TRACE ELEMENTS IN VEIN GRAPHITE OF SRI LANKA C.B. DISSANAYAKE 1, R.P. GUNAWARDENA 2 and...Peraden@a ( Sri Lanka ) 2Department of Chemistry, University of Peraden@a, Peradeniya (Sri Lanka) 3Bogala...3Bogala Mines, Aruggammana ( Sri Lanka) (Received September 7, 1987; revised and accepted December 15, 1987)...D.M.S.K., 1988. Trace elements in vein graphite of Sri Lanka. Chem. Geol., 68: 121-128. The abundances...in vein graphite of two producing mines from Sri Lanka have been studied. The vein-type graphite deposits | | | Journal (article/letter/editorial) | Deformation of a High-Grade Gondwana Fragment, Sri Lanka K.V. Wilbert Kehelpannala Department of Earth...Hantana Road, Kandy, Sri Lanka (Manuscript accepted June 6, 1997) Abstract The Sri Lankan Gondwana fragment...recognized in the smallest Gondwana fragment, Sri Lanka. There is microscopic and mesoscopic evidence...(F,), which control the present map pattern of Sri Lanka. The superimposition of D, folds on D, folds gave...and graphite veins clearly post-date D,. It is argued that the WC, the HC and the VC in Sri Lanka may | | Ng, Samuel Wai-Pan, Whitehouse, Martin J., Tam, Tammy Pui-Yuk, Jayasingha, Pathmakumara, Wong, Jean Ping-Mei, Denyszyn, Steven W., Yiu, Joyce Sum-Yee, Chang, Su-Chin (2017) Ca. 820–640 Ma SIMS U-Pb age signal in the peripheral Vijayan Complex, Sri Lanka: Identifying magmatic pulses in the assembly of Gondwana. Precambrian Research, 294. 244-256 doi:10.1016/j.precamres.2017.03.013 | Journal (article/letter/editorial) | age signal in the peripheral Vijayan Complex, Sri Lanka: Identifying magmatic pulses in the assembly of...age signal in the peripheral Vijayan Complex, Sri Lanka: Identifying magmatic pulses in the assembly of...age signal in the peripheral Vijayan Complex, Sri Lanka: Identifying magmatic pulses in the assembly of...Organization, 99/1, Jawatta Road, Colombo 05, Sri Lanka 5 School of Earth and Environment and Centre...Centre for Exploration Targeting, University of Western Australia, 35 Stirling Highway, Perth, WA 6009, Australia | | | Report (issue) | Strategic Minerals Inventory Summary Report-Natural Graphite Prepared as a cooperative eflort among earthscience...Strategic Minerals Inventory Summary Report-Natural Graphite By Ulrich H. Krauss, Helmut W. Schmidt, Harold...Congress Cataloging in Publication Data Natural graphite. (U.S. Geological Survey circular; 930-H) "Prepared...Bibliography: p. Supt. of Docs. no.: I 19.4/2:930-H 1. Graphite. I. Krauss, Ulrich H. II. Series: U.S. Geological...inventory information about major deposits of graphite, one of the mineral commodities selected for the | | | Journal (article/letter/editorial) | magmatic events and Grenville-age deformation in Sri Lanka: relevance for Rodinia supercontinent formation...of Fundamental Studies, Hantana Road, Kandy, Sri Lanka c Institut für Erd- und Umweltwissenschaften...in the Wanni and Vijayan crustal provinces of Sri Lanka make it likely that these domains were produced...gneisses of the Kadugannawa Complex of central Sri Lanka which record a period of magmatic arc activity...600– 550 Ma that we relate to involvement of Sri Lanka in the amalgamation of the Gondwana Supercontinent | | Binu-Lal, S.S, Kehelpannala, K.V.Wilbert, Satish-Kumar, M, Wada, Hideki (2003) Multistage graphite precipitation through protracted fluid flow in sheared metagranitoid, Digana, Sri Lanka: evidence from stable isotopes. Chemical Geology, 197 (1) 253-270 doi:10.1016/s0009-2541(02)00400-x | Journal (article/letter/editorial) | Multistage graphite precipitation through protracted fluid flow in sheared metagranitoid, Digana, Sri Lanka:...of Fundamental Studies, Hantana road, Kandy, Sri Lanka Received 13 March 2002; accepted 1 November 2002...Highland and Wanni complexes of Sri Lanka, hosts a variety of graphite types with structural evidence...isotopes. The carbon isotopes of graphite reported in this study from the Sri Lankan high-grade metamorphic...terrain differ significantly from the composition of graphite reported elsewhere in other Precambrian terrains |
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Kahatagaha Mine, Kahatagaha, Kurunegala District, North Western Province, Sri Lanka