| Roberts, M. D., Oliver, N. H. S., Fairclough, M. C., Holtta, P. S., Lahtinen, R. (2003) Geochemical and Oxygen Isotope Signature of Sea-FloorAlteration Associated with a Polydeformed and Highly Metamorphosed MassiveSulfide Deposit, Ruostesuo, Central Finland. Economic Geology, 98 (3) 535-556 doi:10.2113/gsecongeo.98.3.535 | Journal (article/letter/editorial) | Metamorphosed Massive Sulfide Deposit, Ruostesuo, Central Finland MICHAEL D. ROBERTS,†,* NICHOLAS H.S....RAIMO LAHTINEN Geological Survey of Finland, FIN-02150 Espoo, Finland Abstract Massive sulfide deposits...deposits in the Vihanti-Pyhäsalmi district, central Finland, are hosted by a highly deformed and metamorphosed...rocks (MCOR and FCOR) in the vicinity of the Ruostesuo Zn-Cu deposit define mappable layers with distinctive...least altered metavolcanic rocks and COR rocks at Ruostesuo define three mafic suites (primitive basalts, | | | Journal (article/letter/editorial) | The Dry River South sulfide lens is an elongate north-trending sheet that dips shallowly to the east (Fig...River South has a maximum thickness of 10 m, a north-south strike length of over 1200 m, and a maximum...Patterson Finally, as staurolite and gahnite (zincian spinel) can host a significant portion of Zn in amphibolite...geology of the Balcooma massive sulfide deposit, north-east Queensland. M.Sc. thesis, James Cook University...significance. J. Petrol. 28, 867-886. Tuisku P., Ruostesuo P. and Hakkinen A.-M. (1987) The metamorphic behaviour | | | Journal (article/letter/editorial) | --, biotite + A12SiO5 + H20(_+ garnet, Zn-rich spinel) (Chinner, 1965; Guidotti, 1970; Schumacher, 1985)...concentrated in staurolite. Gahnite or zincian spinel (Zn,Fe,Mg)AI20 4 has been reported as a breakdown...interrelationship between zincian staurolite and zincian spinel that is the subject of this study. 64 J. M....cordierite-garnet subzone of granulite facies (2), spinel-quartz subzone of granulite facies (3), and Pan-African...remnant is exposed as a 2 km wide east west striking, north-dipping belt within a terrain dominated by syntectonically | | | Book | Mineral Deposits of Finland Edited by Wolfgang D. Maier Raimo Lahtinen Hugh O’Brien AMSTERDAM • 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 | | | Journal (article/letter/editorial) | the facecenteredcubic structure ofthe O in the spinel phase. The decreaseof X." in coexistingstaurolite... 319-327. Interscience,New York. Tuisku, P., Ruostesuo,P., and Hiikkinen, A. (1987) The metamorphic behaviour...mica schists, Puolankajiirvi Formation, central Finland. Geochimicaet CosmochimicaAcra. 51. 1639-1650. | | | Journal (article/letter/editorial) | Editor: D. Rickard Abstract The Challenger Gold Mine, South Australia, is hosted in granulite-facies...McFarlane et al. / Chemical Geology 243 (2007) 64–89 North America and Australia. If we endeavour to make the...other regions (with the notable exception of Ruostesuo, Finland; Broken Hill, Australia; Renco, Zimbabwe)...by cordierite, garnet, K-feldspar, and brown Zn-spinel. The major difference between proximal lithologies...only sparse pyrrhotite. The relationship of the mine-scale geometry to the regional structural framework | | | Journal (article/letter/editorial) | plagioclase–K-feldspar (Holland & Powell, 2003), spinel–magnetite (White et al., 2002), and ilmenite– hematite...occurs in quartz-absent, sapphirine-, corundum- and spinel-bearing granulites (Otten, 1984; Schreyer et al...Van Aswegen, G. & Strydom, D., 1986. A hoegbomite–spinel– gedrite paragenesis from northern Bushmanland...petrology of the Orijärvi region in southwestern Finland. Bulletin de la Commission ge´ologique de Finlande...metamorphosed massive sulphide seposit, Ruostesuo, central Finland. Economic Geology, 98, 535–556. Robinson | | Driouch, Youssef, Debat, Pierre, Ganne, Jérôme, Béziat, Didier, Kriegsman, Leo M., Martignole, Jacques (2017) The Cordierite-Orthoamphibole Rocks of the Variscan Dome of Gavarnie-GèDre-Héas: The Gedrite of Gèdre (Hautes Pyrénées, France) The Canadian Mineralogist, 55 (2) 245-281 doi:10.3749/canmin.1600032 | Journal (article/letter/editorial) | biotitess (Bt) þ staurolite (St) þ garnet (Grt) þ spinel (Spl) þ corundum (Crn) þ ilmenite (Ilm) and sulfides...partial melting conditions in its central part (north of the Gavarnie and Gèdre valleys; Debat et al...biotitess (Bt) þ sillimanite (Sil) þ Crd þ Pl þ spinel (Spl) þ corundum (Crn) forming thin layers within...Ged with thin lamellae of Ath (Fig. 13A–C). Spinel Spinel has been observed only as a breakdown product...cubic green grains associated with Crd and Crn. Spinel (Fig. 8F) plots on the hercynite–spinelss tie-line | | | Book | 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 | | | Journal (volume) | 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 Härme: The hi story of petrologie study in Finland ....... . ........ Kai Hytönen: The hi story of mineralogy in Finland 1918- 1984 . . ... ... Kalevi Virkkala: History of | | | Conference Proceedings (Volume) | Stockholm University, the Geological surveys of Finland and Norway, Luleå University of Technology and...photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started in...classification of ore potential black shales in Finland . . ............................................submarine caldera associated mineralization in north-west Wales .................................. ...hydrothermal vents created by IODP Exp. 331 in the Iheya North field, Okinawa Trough ......................... | | Palin, R. M., White, R. W., Green, E. C. R., Diener, J. F. A., Powell, R., Holland, T. J. B. (2016) High-grade metamorphism and partial melting of basic and intermediate rocks. Journal of Metamorphic Geology, 34 (9) 871-892 doi:10.1111/jmg.12212 | Journal (article/letter/editorial) | and epidote (Holland & Powell, 2011); magnetite–spinel (White et al., 2002); ilmenite–hematite (White...and evolution of the lower crust in the eastern North China craton: A review. Earth-Science Reviews, 122...from the Day Nui Con Voi metamorphic core complex, North Vietnam; constraints upon the timing of metamorphism...metamorphosed massive sulphide seposit, Ruostesuo, central Finland. Economic Geology, 98, 535–556. Rosenberg...cordierite–anthophyllite rocks from Orijärvi, SW Finland. Journal of Geology, 100, 545–559. Spear, F. S | | Kampmann, Tobias C., Jansson, Nils F, Stephens, Michael B., Majka, Jarosław, Lasskogen, Jonas (2017) Systematics of Hydrothermal Alteration at the Falun Base Metal Sulfide Deposit and Implications for Ore Genesis and Exploration, Bergslagen Ore District, Fennoscandian Shield, Sweden. Economic Geology, 112 (5) 1111-1152 doi:10.5382/econgeo.2017.4504 | Journal (article/letter/editorial) | spatial relationships also have implications for near-mine exploration, since quartz-rich footwall rocks locally...(Bergslagen ore district) Active base metal sulfide mine ( ! (! ! ( ! (! (! ( ! ( ! ( ( ! 15.5° E 15...data in and around the open pit, a study of legacy mine maps, and the logging of drill cores situated less...functions using spatial information included in legacy mine data, made available to us by the Geological Survey...Biotite-quartz-cordierite-(anthophyllite) schist is prominent north of the ductile shear zone forming the northern boundary | | | Book | avec l'editeur. Gold-rich specimen fro1n the Don,e Mine, Tim1nins, Ontario that was presented to GSC in...Mineral Deposit Types published by the Decade of North American Geo logy (DNAG), it is in fact very different... may change the para1neters of the mathematical mine n1odel referred to above. Modifications to the 1nine...l-producing mines closed and only one (Voisey's Bay Ni-Cu mine in Labrador) opened. On the brighter side, the potential...Cycle PRODUCTION North America Pangea Rodinia Nuna Kenorland TOTAL RESERVES North America Pangea Rodinia |
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