| | Journal (article/letter/editorial) | mineralization in a karstic environment in central Sri Lanka Kapila Dahanayake 1,2 and S. M. N.D. Subasinghe...Road, Kandy, Sri Lanka 2 Department of Geology, University of Peradeniya, Peradeniya, Sri Lanka Abstract...Abstract. At Eppawala in central Sri Lanka secondary phosphate mineralization is intimately associated with laminated...some large phosphorite deposits, e.g. those of North Africa and the Middle East. Furthermore, phosphorites...as the Eppawala phosphate deposit occurs in the township of Eppawala in the Anuradhapura district of Sri | | | Journal (article/letter/editorial) | phosphatic marble to exploitable apatite deposit, Sri Lanka KAZUE TAZAKI a n d W. S. FYFE Department of Geology...Department of Geology, University of Peradeniya, Sri Lanka Abstract--Weathering of a granulite-amphibolite...granulite-amphibolite facies phosphatic marble from Eppawala. Sri Lanka is described. During the weathering process, apatite...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) | Geology, University of Peradeniya, Peradeniya ( Sri Lanka ) (Acceptedfor publicationJuly 4, 1986) Abstract...derived from high-grade metamorphic rocks from Sri Lanka are hydroxyapatite as indicated by E P M A and...crystallineproducts are composed of carbonate fluorapatite,crandallite,wardite, fluellite,kaolinite,goethite and gibbsite...post-depositionalreworking. 1. Introduction In Sri Lanka we have observed the weathering processes of two...Highland Group (2.5-2.0 Ga) at Eppawala near Anuradhapura in Sri Lanka (Jayawardena, 1976). The apatite | | | 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) | abundant deposits around Meizhou City, Guangdong Province, China with the highest ΣREE range of 1162 µg/g...REE deposits in the Chilean coastal range of the central Andes were found to be up to 2000 µg/g [25]. Beach...Shelf Bottom sediments 104 to 220 [45] Central North Pacific Ocean Siliceous sediments 810.4 [46]...Eastern South Pacific Deep-sea mud 1000–2230 North Pacific (east and west of Hawaiian Islands) Deep-sea...400–1000 Minamitorishima Island in the Western North Pacific REE-rich Mud >1446.2 (REE+Y) [51] South | | | 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, | | | 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 |
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