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| 594 A new occurrence of uvarovite f r o m northern Karelia in Finland. (With Plate XV.) By OLEG YON...pyrrhotine deposit at the village of Luikonlahti, 30 km. NW. of the Outokumpu mine. This occurrence is associated...ore-field. In 1947, during a geological excursion to north Karelia, under the direction of Professor Eskola...material from Luikonlahti mine containing large amounts of uvarovite. Two main types of uvarovite-bearing rocks...irregular aggregates of uvarovite. 2. A pyrrhotine ore with diopside and uvarovite. Although lacking the |
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| Geological Survey of Finland, P.O. Box 96, FI-02151, Espoo, Finland Geological Survey of Finland, P.O. Box 1237...FI-70211, Kuopio, Finland c Polar Mining Oy, P.O. Box 15, FI-83501, Outokumpu, Finland Received 31 October...Palaeoproterozoic JormuaâOutokumpu thrust belt in eastern Finland enclose m- to km-scale ultramafic massifs that...isotopes; North Karelia; Finland 1. Introduction The Outokumpu mining district in eastern Finland is well...three major deposits (Outokumpu, Vuonos and Luikonlahti) with a total production of âŒ50 Mt ore averaging |
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| Precambrian CopperSulfides of the OutokumpuDistrict,Finland ESKO PELTOLA Abstract The Outokumpuregion is...Outokumpufield in North Karelia is the most important Precambrian sulfide district in Finland. The history...Outokumpu district is situated in eastern Finland, at approximately63Ăž north (Fig. 1). The rocks of the Outokumpu...Tilton, 1966). Karelian formations in eastern Finland are separatedby a marked unconformityfrom the...Geologic Events in the Precambrian of Eastern Finland Karelidlc Orogeny Epicontinental formation General |
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| ON THE GEOlOGY OF THE OUTOKUMPU ORE DEPOSIT IN FINlAND BY VEIKKO O. VĂHĂTALO WITH 9 FIGURES AND 13 TABLES...ON THE GEOLOGY OF THE OUTOKUMPU ORE DEPOSIT IN FINLAND BY VEIKKO O . VĂHĂT ALO WITH 9 FIGURES AND 13...employed as a mining geologist at the Outokumpu mine. The evaluation and organization of the material...final stages. To my co-workers at the Outokumpu mine I offer a hearty handshake for their loyal support...Outokumpu is situated in eastern Finland, in the proYince of North Karelia, approximately 70 km east-southeast |
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| FERMOR ABSTRACT Chromite-marbles from India and Finland are compared. I N a recent article in the Mineralogical...noticed a new occurrence of uvarovite from Luikonlahti in northern Karelia in Finland, 30 km. N.W. of the Outokumpu...Outokumpu copper mine. In discussing the source of the chromium the author refers to the occurrence at...title>Chromite-marbles from India and Finland are compared. |
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| GEOLOGISKA KOMMISSIONEN I FINLAND SUOMEN GEOLOGINEN TOIMIKUNTA " BULLETIN DE LA COMMISSION GEOLOGIQUE...writer the first paper concerning serpentines in Finland was published by Lemberg in 1867. According to...rather scant attention from the geologists. Farther north , in the continuation of the Karelian chist formation...surround apart of northern Karelia in eastern Finland consisting 12 Bulletin de la Oommission geologique...the parishes of HeinÀvesi, Tuusniemi, KuusjÀrvi, Kaavi, Juuka, PolvijÀrvi and Liperi. The geology of the |
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| Mineralogist, Volume 95, pages 839â843, 2010 Uvarovite from chromite-bearing ultramafic intrusives, Orissa...700 098, India 1 absTracT EPMA analyses of uvarovite from the chromite-bearing ultramafic intrusive...intrusive of Sukinda, India, show that uvarovite containing 9.83 to 17.68 wt% Cr2O3 represents a solid solution...solution of the binary uvarovite-andradite series with Uva34â58 And42â58 . Associated chromite grains with... 57Fe Mössbauer spectroscopic studies on the uvarovite samples undertaken both at room temperature (298 |
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| pebbles of granite ............................ TiiE SAVO AREA OF SCHISTS GEOLOQICAL DESCREPTION OF THE STRATIGRAPHIC...Àrvi uKie The Hanhivaara blebbed gneisses Tlie Kaavi and BÀyneinen aones The Tlie The The ............LehijÀrvi, Y. VÀisÀnen, A. Enkovaara, V. Kuomala (1938, Kaavi-Juuka). I take this opportunit~. of thanking them...reawa~kenedthe hopes that had alreadp espired in Finland of &blishing a mining industry and of succeeding...company worlking on a lease. The production of the mine amounted to 15,500 tons of ore annualiy on an average |
 | SĂ€ntti, Jaakko, Kontinen, Asko, Sorjonen-Ward, Peter, Johanson, Bo, Pakkanen, Lassi (2006) Metamorphism and Chromite in Serpentinized and Carbonate-Silica-Altered Peridotites of the Paleoproterozoic Outokumpu-Jormua Ophiolite Belt, eastern Finland. International Geology Review, 48 (6) 494-546 doi:10.2747/0020-6814.48.6.494 | Journal (article/letter/editorial) |
| Paleoproterozoic Outokumpu-Jormua Ophiolite Belt, eastern Finland a b b Jaakko SĂ€ntti , Asko Kontinen , Peter...University of Helsinki b Geological Survey of Finland Published online: 16 Jul 2010. To cite this article:...Paleoproterozoic Outokumpu-Jormua Ophiolite Belt, eastern Finland, International Geology Review, 48:6, 494-546, DOI:...Paleoproterozoic Outokumpu-Jormua Ophiolite Belt, Eastern Finland JAAKKO SĂNTTI,1 Department of Geology, PO Box 64...64, FIN-00014 University of Helsinki, Finland ASKO KONTINEN, PETER SORJONEN-WARD, Downloaded by [University |
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| Painopaikka | Printing house: Lönnberg Print & Promo, Finland ISBN 978-952-217-253-2 (sid.) ISBN 978-952-217-254-9...Geological Survey of Finland Espoo 2017 SUOMEN KORUKIVET Gemstones of Finland Kari A. Kinnunen Risto... In addition, the rock types commonly used in Finland as gemstones, are now documented in detail. Photography...demonstrate that more gemstones are known from Finland than from other Nordic countries.The great activity...gemstones and precious stones Thulite of the Talvivaara mine . . . . . . . . . . . . . . . . . 196 13 Striped |
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| (1975) 9 by Springer-Verlag 1975 Uvarovite: Stability of Uvarovite-Grossularite Solid Solution at Low...Miinvhen Received November 25, 1974 Abstract. Uvarovite (Ca3Cr2Sia01~) forms a complete solid solution...below 855:t:5~ at a total pressure of 1 atm. Pure uvarovite decomposes to pwo (CaSi03) A- esk (Cry03) at 1385âą...about 5 wt-% of Ca3AI2 Sia01~ component in the uvarovite structure raises the thermal stability of the...CaaCr2Si3Ol~--Ca3A12Si3012. The unit-celt parameter for uvarovite is 11.996(2)A, the refractive index 1.865(3). |
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| ARSENIOSIDERITE orange brown crusts on Hidalgoite (Gold Hill Mine Tooele County Utah USA) lxl f2.5O lx2 f5.OO 2x2...purple-brown crystalline masses (Colebrook Hill Mine,Roseberry, Tasmania) lxl fl.5O lx2 f3 2x2 f6.OO...BOKITE black to dark brown masses (Monumnt No 2 Mine Apache County 1/2 x 1/2 f3.5O lxl f5 C266 DEFERNITE...C269 CHABAZITE good covering location. (Ramsley Mine lxl fl.5O lx2 f3 of glassy micros Devon) 2x2 f6... C273 COLORADOITE Mine, Cripple C274 DIAMOND good yellow cubic (Wishasha Mine Zaire) f6 C275 DIOPTASE |
 | Kapsiotis, Argyrios, Ewing Rassios, Anne, Grieco, Giovanni, Antonelou, Aspasia (2017) Genesis of Cr-bearing hydrogrossular-rich veins in a chromitite boulder from Ayios Stefanos, West Othris, Greece: A paradigm of micro-rodingites formation at the late stages of oceanic slab emplacement. Ore Geology Reviews, 90. 287-306 doi:10.1016/j.oregeorev.2017.06.006 | Journal (article/letter/editorial) |
| edu.cn Abstract The retired Ayios Stefanos chrome mine is hosted by deformed and serpentinized mantle peridotites...massive chrome ore boulder of the Ayios Stefanos mine in the Othris ophiolitic massif of central Greece... 2.2. Geological outline of the Ayios Stefanos Mine area About 5x104 tons of Al-rich (refractory grade)...chrome ore was exploited from the Ayios Stefanos mine in the 1950âs up to the early 1960âs. Chromite within...(Rassios, 2013). Today, ores are exhausted and the mine abandoned. Ores are contained within ultramafic |
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| Geological Survey of Finland Bulletin 373 Early Proterozoic Karelian and Svec ofenn ian for ma tions...tutkimusk eskus Es poo 1l)l)3 Geological Survey of Finland, Bulletin 37~ E)\.RL Y PROTEROZOIC KARELIAN AND...on the Pielavesi area, central Finland. Geological Survey of Finland, Bulletin 373, 137 pages, 49 figures...be considered to contain the type sequence of the Savo schists, which have traditionally regarded as Svecofennian...represents anepicontinental facies association within the Savo schists. A plate tectonic model is presented in |
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| cleavage Yakutia.Russia MnS lxl ÂŁ9 ÂœxÂœ ÂŁ3 IXÂœ Rawhide Mine. Mohave 255 ALA!\IOSITE Rich white cruslS on matrix...botryoidal with possible New East Wheat Russell mine, ÂœxÂœ 501 ALLOPHANE ÂŁ4 -·-· . . ALSiO ÂŁ2.SO B~~.~~~~t~...grey masses '1.\ith possible Alstonite Fallowfield mine, IxÂœ ÂŁ4 13 ALSTONITE BaCaCO/3 micros. Hexham,Northumberland...- - · - --·· -·Pure grey metallic mass San Jose Mine, Oruro. Bolivia 6x6mm ÂŁ3 217 A1'DORITE . PbAgSb_S...ÂŁ1.JQ .. .. F~ls~ar_G!_?~P 2x2 ÂŁ2 lx2ÂŁ1 Kaveltorp Mine Sweden Rich fawn sheaves in silvery schist 27 ANTHOPHYLLITE |
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| Mineral Deposits of Finland Edited by Wolfgang D. Maier Raimo Lahtinen Hugh OâBrien AMSTERDAM âą BOSTON...Geological Survey of Finland, Espoo, Finland I. Haapala University of Helsinki, Helsinki, Finland T. Halkoaho...Geological Survey of Finland, Kuopio, Finland E. Hanski Oulu Mining School, Oulu, Finland A. Hartikainen Geological...Geological Survey of Finland, Kuopio, Finland C. Hartshorne AngloAmerican Exploration, London, UK T....Mawson Resources, Finland E. Heilimo Geological Survey of Finland, Kuopio, Finland P. Heino Yara Suomi |
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| Geological Survey of Finland, Bulletin 304 THE PREC'AMBRIAN IN FINLAND BY AHTI SIMONEN with 35 figures... Simonen, Ahti: 1980 The Precambrian in Finland. GeologicalSurvey of Finland, Bulletin 304. 58 pages,. 35 figures...figures, 3 tables. The Precambrian crust, of Finland forms the central part of the Baltic Shield, which...the geological evolution of the Precambrian in Finland. The most important events in the geological evolution...orogeny, Precambrian, Finland Prof.. Ahti Sissonen, Otakuja 3 D 46, 02150 Espoo 15, Finland ISBN 951-690-111- |
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| sources 107 Yellow andradite (topazolite) 108 Uvarovite and the rare garnets 109 Colour-change garnets...1.790-1.810 4.12-4.20 7Œ 3.77 7œ 0.027 Uvarovite 1.87 Species Chemical composition Colour Almandine...pyrope/almandine or pyropelspessartite) Spessanite Uvarovite Crystal system Habit Fluorescence Absorption...orange under X-rays See Appendix 2, page 125 Uvarovite, no characteristic spectrum Almandine; Austria...Burma, Malagasy Republic, Sri Lanka, USA Uvarovite; Finland, Poland, USA, USSR Chapter 1 The history |
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| »Anvisning pa malm och bergarter uti storfurstendömet Finland», osat I ja II, ilmestyivÀt vuosina 1824 ja 1825...mineraaleista teoksessaan »Beskrifning öfver de i Finland fun na mineralien>, jonka ensimmÀinen painos ilmestyi...our knowledge of the geology and the minerals of Finland has increased tremendously, but the data collected...the need for an index of minerals occurring in Finland and for some source of information on the works...from my post as head of the Geological Survey of Finland, I began to compile a reference work designed to |
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| Geological Survey of Finland Bulletin 336 The development of geological sciences in Finland Edited by Heikki... Geological Survey of Finland, Bulletin 336 THE DEVELOPMENT OF GEOLOGICAL SCIENCES IN FINLAND Edited by HEIKKI...Mineral exploration and geologieal surveys in Finland before 1886 ... ... ............. . .. .. . . ...Preeambrian in Finland .... Maunu HÀrme: The hi story of petrologie study in Finland ....... . ........ Kai Hytönen: The hi story of mineralogy in Finland 1918- 1984 . . ... ... Kalevi Virkkala: History of |
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| Greenish, sparse, acicular micros in Penberthy Croft Mine, St 1cm ÂŁ4 s AGARDITE Y Ca Cu As_O_O_H_____c_a_v_iti_e'-s-'in'-'-...215 69 3 11 Rich white crusts on matrix. Rawhide Mine, Mohave ÂœxÂœÂŁ3 _P_b_S_iO_13 _ _ _ _ _ _ _ _ _ _ _...Hornblende ALLANITE Black areas in actinolite Bastnas Mine Sweden lxl ÂŁ1.20 CeYFeSiO Quite attractive blue-grey...Grey veins in and on matrix, some with Fallowfield mine, IxÂœ ALSTONITE BaCaCO/3 Alstonite micros. Hexharn...Rich pinkish fine grained mass in calcite Dark Star Mine,Ravalli County, IxÂœ ÂŁ2.50 lxl ÂŁ4 ANCYLITECe CeSr |
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| Greenish , sparse, acicular micros in Penbenhy Croft Mine, St cavities in quartz_________________ Hilary Cornwall... Rich white crusts on matrix. ALAMOSITE Rawhide Mine, Mohave Ixl ÂŁ9 'A x A ÂŁ3 1 xA Pb SiO/3_____________...Feldspar_____________ Black areas in actinolite Basinas Mine Sweden 1x1 ÂŁ1.20 ALLANITE 9 Ce Y Fe SiO__________...grey masses with possible Alstonite Fallowfield mine, ALSTONITE 13 Hexham.Northumberland micros.____...richly distributed in Porphyry. 6x6mm ÂŁ3 San Jose Mine, Oruro, Bolivia Pure grey metallic mass ANDORITE |
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| South Africa,Cobaltian Gersdorffite from Gortdmm Mine Containing unusual elements , Iquiqueite,Galkhaite...grey masses with possible Als1oni1e Fallowficld mine. IxÂœ ÂŁ4 Ba Ca C0/3 micros. Hexham.Nonhumbcrlond..._ _ __ ___ _____ _ _ _ _ 21 7 ANDORITE San Jose Mine, Oruro. Bol ivia 6x6mm ÂŁ3 Pure grey metallic mass...Andesite _ .âą __ _ ____ . __ lx2ÂŁ2. 50 2x2 Holmbush Mine, Kelly Bray . 32 APATITE Variety Francol i te.rich...·va"i-iïżœty-FRA- NCOLJTE r i ch whik ïżœllular Holmbush Mine Cornwall ÂŁ2.40 __ CaP0/4 C0/3 F __ _____ __ mass |
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| Pyrope ......... 97 Spessartine ......... 99 Uvarovite ......... 101 Hydrogrossular . . . . ...Bull. Geol. Soc. Amer:, The Geological Survey of Finland for diagrams from Bull. Comm. Geol. Finlande; Gauthier-Villars...limestone, Ojama, Finland (Sahama, 1953). Olivine, forsteriteâmicaâmagnetite rock, Vostochyni mine, Ensky, U...1940. Occurrence of fayalite in some dacites from north Izer and adjacent areas. Journ. Geol. Soc. Japan...in Table 4 are for the mineral from the Benallt Mine (Smith et al., 1944). X-ray diffraction data are |
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| Africa Geological Survey of Finland (GTK), P.O. Box 96, FI-02151 Espoo, Finland a r t i c l e i n f o ...exploration North Karelia Finland a b s t r a c t The Outokumpu district within the North Karelia Schist...Schist Belt in eastern Finland hosts a number of CuâCoâZnâNiâ AgâAu sulïŹde deposits that are associated...aeromagnetic and gravity maps, digital terrain models, and mine cross sections as well as data like drill core logs...logs combined with observations from underground mine galleries, structural measurements, aeromagnetic |
