 | Weerakoon, M.W.K., Miyazaki, T., Shuto, K., Kagami, H. (2001) Rb-Sr and Sm-Nd Geochronology of the Eppawala Metamorphic Rocks and Carbonatite, Wanni Complex, Sri Lanka. Gondwana Research, 4 (3) 409-420 doi:10.1016/s1342-937x(05)70340-3 | Journal (article/letter/editorial) | | Geochronology of the Eppawala Metamorphic Rocks and Carbonatite, Wanni Complex, Sri Lanka M.W.K. Weerakoonl...metamorphic rocks of the Eppawala carbonatite body, Wanni complex, Sri Lanka, revealed that these rocks...rocks had been metamorphosed under amphibolite to granulite facies conditions. Garnetsillimanite-biotite...occurred 610-550 Ma in the three crustal units in Sri Lanka. Rb-Sr system for biotite, apatite and whole-rock...whole-rock fractions suggests 493k5 Ma for the Eppawala carbonatite body. This age indicates the cooling age |  | | Journal (article/letter/editorial) | | ORIGINAL PAPER Petrogenesis of the Eppawala carbonatites, Sri Lanka: A cathodoluminescence and electron...the crystallization processes in the Eppawala carbonatites, Sri Lanka. The well preserved magmatic textures...Geology, University of Peradeniya, Peradeniya, Sri Lanka e-mail: apitawala@pdn.ac.lk B. G. Lottermoser...major rock-forming minerals of the Eppawala carbonatites, Sri Lanka. These data have been used to establish...KC HC VC Eppawala 8 O The Eppawala area Physiography and mining activities The Eppawala study area |  | | Journal (article/letter/editorial) | | secondary textures of dolomite in Eppawala carbonatites, Sri Lanka: implications for their petrogenetic...Oluvil, Sri Lanka Department of Geology, University of Peradeniya, 20400 Peradeniya, Sri Lanka; apitawala@pdn...for interpretation of evolution of Eppawala carbonatites in Sri Lanka. The studied carbonatites are dominated...two crustal depths during the petrogenesis of Eppawala carbonatite. The re-localization may have been...carbonatite intrusions exposed at Eppawala in northācentral Sri Lanka have intruded near to the axis of |  | | Journal (article/letter/editorial) | | phosphatic marble to exploitable apatite deposit, Sri Lanka KAZUE TAZAKI a n d W. S. FYFE Department of Geology...University of Peradeniya, Sri Lanka Abstract--Weathering of a granulite-amphibolite facies phosphatic marble...marble from Eppawala. Sri Lanka is described. During the weathering process, apatite is concentrated to...Primary metamorphic phosphates in the marble from Sri Lanka are hydroxyapatite, as indicated by EPMA and XRD...deposit was discovered at Eppawala in the Anuradhapura district of Sri Lanka in 1971. The apatite complex |  | | Journal (article/letter/editorial) | | carbonatites occur in India, Pakistan, Afghanistan and Sri Lanka; but so far not known to occur in Nepal, Bhutan...and Jawar), Afghanistan (Khanneshin) and Sri Lanka (Eppawala). This review provide the comprehensive information...(MH) ā 440001, India; Geological Survey of India, Central Region, Seminary Hills, Nagpur (MH) ā 440006, India...Amba Dongar, Koga, Peshawar Plain, Khanneshin, Eppawala 1 Introduction Carbonatite melts are known to...Pakistan [12, 28, 29, 54], Afghanistan [35], and Sri Lanka [32, 36]. amount of data on trace elements and |  | | Journal (article/letter/editorial) | | STRUCTURES MARBLE AND PHOSPHATIC ENRICHMENT IN OF SRI LANKA DAHANAYAKE Earth Sciences Division,Instituteof...Departmentof Geology,Universityof Peradeniya,Peradeniya,Sri Lanka AND S. M. N. D. SUBASINGHE Departmentof Geology...Geology,Universityof Peradeniya,Peradeniya,Sri Lanka Introduction allelsthe strikeof the metasedimentary...fenitizationhasbeenreported.However, townshipcalled Eppawala situatedin the Anuradha- onlydetailedgeologic...,petrological,andgeochemical pura districtof Sri Lanka--lying about200 km from studiescanhelp to establishthe |  | | Journal (article/letter/editorial) | | aulacogene. Area of study: The Sauser Belt of the Central Indian Tectonic Zone. Otitline of the study: The...Japan PROJECT Pan-African Orogeny in Sri Lanka: The Eppawala Carbonatite and Surrounding Rocks M. W...Fnculty of Science, Niignta University, Japan In Sri Lankn, one of the East Gondwanan crustal fragments...taken place in Sri Lanka between 670-450 Ma (Kagami et al., 1995). More than 90% of Sri Lanka is underlain...and metamorphic rocks. The basement rocks of Sri Lanka have been subdivided into three major lithological |  | | Journal (article/letter/editorial) | | Japan PROJECT Pan-African Orogeny in Sri Lanka: The Eppawala Carbonatite and Surrounding Rocks M. W...Fnculty of Science, Niignta University, Japan In Sri Lankn, one of the East Gondwanan crustal fragments...taken place in Sri Lanka between 670-450 Ma (Kagami et al., 1995). More than 90% of Sri Lanka is underlain...and metamorphic rocks. The basement rocks of Sri Lanka have been subdivided into three major lithological...t200 Ma.). The Wanni Complex, which records amphibolite facies metamorphism, is composed of granitic |  | | Journal (article/letter/editorial) | | HYDROGEOCHEMISTRY OF A PRECAMBRIAN MINERALIZED BELT IN SRI LANKA C.B. D I S S A N A Y A K E * a n d S.V.R. W E...Y A Institute of Fundamental Studies, Kandy (Sri Lanka) (Received January 16, 1986; accepted for publication...Hydrogeochemistry of a Precambrian mineralized belt in Sri Lanka. Chem. Geol., 56: 257--270. A hydrogeochemical...on the Highland--eastern Vijayan boundary of Sri Lanka, known to be a mineralized belt, revealed anomalous...d e l f o r t h e geologic e v o l u t i o n o f Sri L a n k a . T h e significant f e a t u r e o f the |  | Evangelakakis, Christos, Kroll, Herbert, Voll, Gerhard, Wenk, Hans-Rudolf, Meisheng, Hu, Kļæ½pcke, Jļæ½rgen (1993) Low-temperature coherent exsolution in alkali feldspars from high-grade metamorphic rocks of Sri Lanka. Contributions to Mineralogy and Petrology, 114 (4) 519-532 doi:10.1007/bf00321756 | Journal (article/letter/editorial) | | feldspars from high-grade metamorphic rocks of Sri Lanka Christos Evangelakakis 1, Herbert Kroll 1, Gerhard...alkali feldspars of the amphibolite- and granulite-facies rocks of Sri Lanka, a late-stage, final exsolution...study the feldspars of the amphibolite- and granulite-facies terrain of Sri Lanka. These Precambrian rocks...Structural, magmatic and metamorphic history of Sri Lanka Wc first give a short account of the lithological...and metamorphic history of Sri Lanka to place the feldspars in 520 $RI LANKA % eZ3 An Ba Co Da Di Ep |  | | Journal (article/letter/editorial) | | early Cambrian (ca. 665ā535 Ma) linkage between Sri Lanka and India Prasanna Lakshitha Dharmapriya, Sanjeewa...early Cambrian (ca. 665ā535 Ma) linkage between Sri Lanka and India, International Geology Review, DOI:...early Cambrian (ca. 665ā535 Ma) linkage between Sri Lanka and India Prasanna Lakshitha Dharmapriyaa,b, Sanjeewa...Science, University of Peradeniya, Peradeniya, Sri Lanka; bDepartment of Geology, Faculty of Science, University...University of Peradeniya, Peradeniya, Sri Lanka; cCentre for Earth Sciences, Indian Institute of Science |  | | Journal (article/letter/editorial) | | and metamorphosed in granulite facies of the Sri Lanka basement By R. KLEINSCHRODT, G. V O L L , K61n...Basische Intrusion wurde im Central Granulite Belt der tiefen, kontinentalen Kruste Sri Lankas entdeckt. Sie...auf multiple Schmelz-Zufuhr hin. Homogenere Amphibolite, teils mit Biotit, bilden den obersten Teil....intrusion has been found in the Central Granulite Belt of the Sri Lanka continental basement. It intruded...centrale granulitique du socle continental du Sri Lanka. L'intrusion s'est effectu6e parall~lement h la |  | | Journal (issue) | | Winter Branch Chairmen: Midlands - G.M. Green, North West - I. Knight, Scottish - B. Jackson, South West...iridescent chatoyancy Grey orthoclase moonstone from Sri Lanka has a unique combination of a cat's-eye and a...Brazil and another colourless of 12.20 ct from Sri Lanka, but this specimen is considerably larger. Two...Moonstone with a star and cat'seye combination from Sri Lanka Sunstone cat's-eye from Russia A stone described...purchased in Germany and probably comes from Sri Lanka, where a similar one was offered to the author |  | Hirayama, Eri, Tsunogae, Toshiaki, Malaviarachchi, Sanjeewa P. K., Takamura, Yusuke, Dharmapriya, Prasanna L., Tsutsumi, Yukiyasu (2020) Prolonged Neoproterozoic highāgrade metamorphism of the Wanni Complex, Sri Lanka: New insights from petrology, phase equilibria modelling, and zircon UāPb geochronology of partially melted cordierite gneiss from Walpita. Geological Journal, 55 (9). 6147-6168 doi:10.1002/gj.3792 | Journal (article/letter/editorial) | | high-grade metamorphism of the Wanni Complex, Sri Lanka: New insights from petrology, phase equilibria...Science, University of Peradeniya, Peradeniya, Sri Lanka | | Yukiyasu Tsutsumi5 We report new petrological...near-peak metamorphisms of the Wanni Complex (WC) in Sri Lanka, and investigate the pressureātemperatureā time...metamorphism is explained by a recent tectonic model of Sri Lanka. The model suggests double-sided subduction and...cal data on high-grade metamorphic rocks from Sri Lanka, southern which were metamorphosed to regional |  | | Journal (issue) | | Number 2 TABLE OF CONTENTS FEATURE ARTICLES 62 Sri Lanka: The Gem Island Peter C. Zwnan The Identification...a n y fine gemstones found on the island o f Sri Lanka, the subject of Peter Zwaan's article i n this...this issue. This fine 9.57-ct cabochon from Sri Lanka is pictured here against a 19th century lithograph...not of the publishers. SRI LANKA: THE GEM ISLAND By Peter C. Zwaan Sri Lanka, formerly Ceylon, remains...mined by primitive methods. In many instances, the Sri Lankan origin of the gemstone can be determined by |  | | Report (issue) | | Deposit/Site_Name, is meant to identify the area, deposit, district, mine, or occurrence to which the geologic, economic...duplicates, for some areas we report information for a district or area, as well as for specific deposits or mines..., eds., Mineral Deposits of Europe, volume 3: Central Europe: London, The Institution of Mining and Metallurgy...Detterman, R.L., 1989, Triassic phosphate deposits, north-eastern Alaska, USA, in Notholt, A.J.G., Sheldon...Precambrian Champaner Group, near Gandhra, Panchmahal District, Gujarat, in Rao, G.V., Dasgupta, S.P., Pant, |  | Casillas, RamĆ³n, DemĆ©ny, Attila, Nagy, GĆ©za, Ahijado, Agustina, FernĆ”ndez, Carlos (2011) Metacarbonatites in the Basal Complex of Fuerteventura (Canary Islands) The role of fluid/rock interactions during contact metamorphism and anatexis. Lithos, 125 (1) 503-520 doi:10.1016/j.lithos.2011.03.007 | Journal (article/letter/editorial) | | terrains that have undergone severe metamorphism in amphibolite/granulite facies, hornblende/ pyroxene-hornfels...terrains that have undergone greenschist and amphibolite facies metamorphism. These metacarbonatites do...marble types formed by strong metamorphism in the amphibolite facies do not exhibit any apparent differences...large shield volcanoes were formed: the southern, central and northern ediļ¬ces (Ancochea et al., 1996). A...trachybasalts) outcrop in the core of the northern and central ediļ¬ces (e.g.: PĆ”jara Pluton) (Hobson et al., 1998; |  | | Book | | pigeon's-blood rubies are pried from both soil and central government control. Marvel over India's maharajahs...finest star ruby on public display. A product of Sri Lanka's gem gravels, today it resides at the Smithsonian...origin is uncertain, but probably emanates from Sri Lanka. Today it rests in New York's Amer1can Museum...ndwns 465 Bibliography-Montana 469 North Caroli na 472 Bibl iography- North Carolina 472 Bibliography- O ther...473 History 474 Luc Yen 474 Quy Chau (Bu Khang District) 475 Other Vietnam corundu.n1 localities 478 Mining |  | | Book | | major producing districts, or a representative district if there are many. We name the chief mining companies...graphite supply must come not merely from one district but from a single mine. Thus the physical properties...extremes of unit value and place value. Although the central realm of the industrial minerals and rocks is clear... The takeover of soda-ash markets, at least in North America, by the mineral trona is another marked...Geology of Industrial Minerals, held annually in North America, provide much geological and related information |  | | Book | | affects its present characteristics as a minera1 province, because of the exposure of the various depth...Buddington (1959) in his classical paper on the North American granites, proposed a three-fold depth subdivision...multiphase, nested, and include a subsidence of the central block and the downward passage of tabular plutons...Peru, map and distribution of ore deposits in the central sector. Based on the Mapa Metalogenico del Peru...Arequipa, Toquepala-Cerro Verde district; in the centre, Morococha and in the north, Michiquillay) straddle the |  | | Book | | affects its present characteristics as a mineral province, because of the exposure of the various depth...Buddington (1959) in his classical paper on the North American granites, proposed a three-fold depth subdivision...multiphase, nested, and include a subsidence of the central block and the downward passage of tabular plutons...Peru, map and distribution of ore deposits in the central sector. Based on the Mapa Metalogenico del Peru...Arequipa, Toquepala-Cerro Verde district; in the centre, Morococha and in the north, Michiquillay) straddle the |  | | Book | | Floral Province ..................................................... 1.5.2 Zagros Floral Province ........................... 1.5.3 Iranās Central Plateau Floral Province ............................... 1.5...5.4 Southern Coastal Plains Floral Province ............................ 1.6 Summarized Facts About Vegetation......................................... 1.10.3 Central Mountains .............................................................................. 2.1.1 Central Iran.......................................... |  | | Report (issue) | | Sci.) North America Central and South America Australasia Far East Southern Africa Central and East...East Africa West Africa North Africa and the Middle East Northern Europe Western Europe Eastern Europe...fale micolame)a-mmit-lelig- mom) eerele] in the North-East of the ālron Squareā. Apart from rich ore,...Canada Cameroons Caribbean Countries Central African Empire Central American Countries Chad Chile China...431 South West Africa 443 Soviet Union Spain Sri Lanka Sudan Surinam Swaziland Sweden 531 511 408 484 |
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