 | | Journal (article/letter/editorial) | | geochemical modelling: an example from the Kevitsa Ni-Cu-(PGE) deposit Margaux Le Vaillant, June Hill,...geochemical modelling: an example from the Kevitsa Ni-Cu-(PGE) deposit, Ore Geology Reviews (2017), doi:...geochemical modelling: an example from the Kevitsa Ni-Cu-(PGE) deposit Margaux Le Vaillant, June Hill,...the Kevitsa Nickel-Copper-Platinum group element (PGE) deposit in Finland. The Kevitsa Ni-Cu-(PGE) disseminated...in a Proterozoic layered intrusion in northern Finland. Internal geological subdivision and correlation |  | | Journal (article/letter/editorial) | | platinum-group-mineral-rich and Mg-poor chromitite in the Kevitsa Ni-Cu-platinum-group-elements deposit Igor González-Pérez...enriched in platinum-group elements (PGE) from the Kevitsa Ni-Cu-PGE deposit. Chromite forming this chromitite...follow chromite growth planes, and (4) Fe-oxides, pyrrhotite, pentlandite, galena, barite, apatite, and native...anomalous iridiumgroup-PGE (IPGE: Ir, Ru, and Os) enrichment. Keywords Chromitite . Kevitsa intrusion . Mafic-ultramafic...3 Mineral Research Kari Kojonen, Kustavi, Finland (PGE) (e.g. Mungall and Naldrett 2008; Maier and |  | Makkonen, Hannu V., Halkoaho, Tapio, Konnunaho, Jukka, Rasilainen, Kalevi, Kontinen, Asko, Eilu, Pasi (2017) Ni-(Cu-PGE) deposits in Finland – Geology and exploration potential. Ore Geology Reviews, 90. 667-696 doi:10.1016/j.oregeorev.2017.06.008 | Journal (article/letter/editorial) | | Accepted Manuscript Ni-(Cu-PGE) deposits in Finland – geology and exploration potential Hannu V. Makkonen... Rasilainen, A. Kontinen, P. Eilu, Ni(Cu-PGE) deposits in Finland – geology and exploration potential...apply to the journal pertain. Title: Ni-(Cu-PGE) deposits in Finland – geology and exploration potential...Makkonen, Geological Survey of Finland Tapio Halkoaho, Geological Survey of Finland Jukka Konnunaho, Geological...Geological Survey of Finland Kalevi Rasilainen, Geological Survey of Finland Asko Kontinen, Geological Survey |  | Luolavirta, Kirsi, Hanski, Eero, Maier, Wolfgang, Lahaye, Yann, O’Brien, Hugh, Santaguida, Frank (2018) In situ strontium and sulfur isotope investigation of the Ni-Cu-(PGE) sulfide ore-bearing Kevitsa intrusion, northern Finland. Mineralium Deposita, 53 (7) 1019-1038 doi:10.1007/s00126-018-0792-6 | Journal (article/letter/editorial) | | investigation of the Ni-Cu-(PGE) sulfide ore-bearing Kevitsa intrusion, northern Finland Kirsi Luolavirta...06-Ga Kevitsa mafic-ultramafic intrusion in northern Finland hosts a large disseminated Ni-Cu-PGE deposit...and shows a range in Ni tenors varying from 4–7 wt% (regular ore) to > 10 wt% (Ni-PGE ore). There are also...that are uneconomic (Ni tenor < 4 wt%). The obtained 87Sr/86Sr(i) values of the Kevitsa ultramafic cumulates...involvement of crustal material in the genesis of the Kevitsa intrusion and its ores. The 87Sr/86Sr(i) values |  | Yang, Sheng-Hong, Maier, Wolfgang D., Hanski, Eero J., Lappalainen, Markku, Santaguida, Frank, Määttä, Sanna (2013) Origin of ultra-nickeliferous olivine in the Kevitsa Ni–Cu–PGE-mineralized intrusion, northern Finland. Contributions to Mineralogy and Petrology, 166 (1) 81-95 doi:10.1007/s00410-013-0866-5 | Journal (article/letter/editorial) | | ultra-nickeliferous olivine in the Kevitsa Ni–Cu–PGE-mineralized intrusion, northern Finland Sheng-Hong Yang • Wolfgang...mafic–ultramafic Kevitsa intrusion is located in the Central Lapland greenstone belt, northern Finland. It is hosted...sulfide- and graphite-rich black schists. Economic Ni–Cu–(PGE) sulfide mineralization occurs in the middle...types of ore are distinguished, ‘‘normal’’ and ‘‘Ni–PGE’’ ores. The normal ore is characterized by *2 to...and average Ni and Cu grades of 0.3 and 0.42 wt %, respectively (Ni/Cu \ 1). The Ni– PGE ore has broadly |  | | Journal (article/letter/editorial) | | evolution of the Ni-Cu-(PGE) sulfide ore-bearing Kevitsa intrusion, northern Finland Kirsi Luolavirta...evolution of the Ni-Cu-(PGE) sulfide ore-bearing Kevitsa intrusion, northern Finland. The address for...evolution of the NiCu-(PGE) sulfide ore-bearing Kevitsa intrusion, northern Finland PT Kirsi Luolavirta1*...School, P.O.BOX 3000, FI-90014 University of Oulu, Finland SC RI 2. School of Earth and Ocean Sciences...Oulu, Finland AC CE E-mail: kirsi.luolavirta@student.oulu.fi Keywords: Kevitsa intrusion, Ni-Cu-PGE |  | Törmänen, T., Konnunaho, J. P., Hanski, E., Moilanen, M., Heikura, P. (2016) The Paleoproterozoic komatiite-hosted PGE mineralization at Lomalampi, Central Lapland Greenstone Belt, northern Finland. Mineralium Deposita, 51 (3) 411-430 doi:10.1007/s00126-015-0615-y | Journal (article/letter/editorial) | | komatiite-hosted PGE mineralization at Lomalampi, Central Lapland Greenstone Belt, northern Finland T. Törmänen...komatiite-hosted Ni-Cu-PGE deposits occur in Archean and Paleoproterozoic Greenstone Belts in Finland. Some of...elements, especially in Pd and Pt. The Lomalampi PGE-(Cu-Ni) deposit is associated with a peridotitic cumulate...Sattasvaara Formation in the Paleoproterozoic Central Lapland Greenstone Belt. The sulfides in the deposit occur...contents are 0.4–2 wt%, and Ni contents are <0.5 wt% and Cu <0.4 wt%, while PGE contents exceed 500 ppb. |  | | Journal (article/letter/editorial) | | the Palaeoproterozoic Sakatti Cu-Ni-PGE sulphide deposit in northern Finland Marko Moilanen *, Eero Hanski...of Oulu, Finland A R T I C L E I N F O A B S T R A C T Keywords: Re-Os isotopes Cu-Ni-PGE sulphide...Chromite Central Lapland greenstone belt Paleoproterozoic Finland The Sakatti Cu-Ni-PGE sulphide deposit...deposit is located in the Central Lapland greenstone belt in northern Finland. It comprises three mineralised...magmatic sulphide deposits, including chalcopyrite, pyrrhotite, pentlandite, pyrite and magnetite. We present |  | Cabri, Louis J, Kelvin, Michelle, Yang, Zhaoping, Jackson, Simon E, Altun, Okan (2017) Application of LA-ICP-MS trace-element analysis for precious metal deportment: a case study of the Kevitsa mine, Finland. European Journal of Mineralogy, 29 (4) 635-644 doi:10.1127/ejm/2017/0029-2644 | Journal (article/letter/editorial) | | precious metal deportment: a case study of the Kevitsa mine, Finland 3 LOUIS J. CABRI1,*, MICHELLE KELVIN2... Abstract: The Kevitsa mine, located in northern Finland, contains disseminated Ni–Cu–Fe sulphides and...platinum-group elements; gold; LA-ICP-MS; Kevitsa mine; Finland. rre 10 11 12 13 14 15 16 17 18 19 20...Survey of Canada, Ottawa, Canada 4 Boliden Kevitsa, Finland 1. Introduction 23 24 25 26 27 28 29 30...36 37 38 39 40 41 42 43 44 45 46 47 The Kevitsa Ni–Cu–PGE deposit is a low-grade, disseminated sulphide |  | Junno, Niina, Koivisto, Emilia, Kukkonen, Ilmo, Malehmir, Alireza, Montonen, Markku (2019) Predicting Missing Seismic Velocity Values Using Self-Organizing Maps to Aid the Interpretation of Seismic Reflection Data from the Kevitsa Ni-Cu-PGE Deposit in Northern Finland. Minerals, 9 (9) 529 doi:10.3390/min9090529 | Journal (article/letter/editorial) | | Seismic Reflection Data from the Kevitsa Ni-Cu-PGE Deposit in Northern Finland Niina Junno 1, * , Emilia Koivisto...University of Helsinki, P.O. Box 68, 00014 Helsinki, Finland Department of Earth Sciences, Uppsala University...Boliden FinnEx Oy, Kevitsantie 730, 99670 Petkula, Finland Correspondence: niina.junno@helsinki.fi Received:...the Kevitsa Ni-Cu-PGE deposit within the mafic-ultramafic Kevitsa intrusion in northern Finland. The...have revealed a series of reflections beneath the Kevitsa resource area. The interpretation of these reflections |  | | 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) | | P.O. Box 3000, FIN-90014 University of Oulu, Finland A R T I C LE I N FO A B S T R A C T Keywords:...selective flotation of a low grade polymetallic Ni-Cu-PGE ore. The effect of impeller type and speed on bubble...ores (Farrokhpay & Filippov, 2016). Pentlandite (Fe,Ni)9S8, the major nickel hosting sulphide mineral, is...processes. The Kevitsa Ni-Cu-PGE deposit (owned by Boliden) is located in northern Finland. The major sulphide...sulphide minerals in the ore are pyrrhotite, chalcopyrite, pentlandite and cubanite. Being a low grade |  | | Journal (article/letter/editorial) | | deposits. Other deposits include nickel and copper at Kevitsa, Kotalahti and Sakatti; vanadium at Koillismaa;...implementation of a law that bans the export of unprocessed Ni from Indonesia, and the repeated temporary suspension...Ru, Rh, Pt, Pd). Some authors argue that global PGE production has already peaked (Sverdrup and Ragnarsdottir...electric vehicles. This could potentially reduce PGE demand over the long term. As an additional factor...2 Oulu Mining School University of Oulu Oulu, Finland E-mail: eero.hanski@oulu.fi E lements , V ol |  | Moilanen, M., Hanski, E., Konnunaho, J., Yang, S.-H., Törmänen, T., Li, C., Zhou, L.M. (2019) Re-Os isotope geochemistry of komatiite-hosted Ni-Cu-PGE deposits in Finland. Ore Geology Reviews, 105. 102-122 doi:10.1016/j.oregeorev.2018.12.007 | Journal (article/letter/editorial) | | isotope geochemistry of komatiite-hosted Ni-Cu-PGE deposits in Finland M. Moilanen, E. Hanski, J. Konnunaho...isotope geochemistry of komatiite-hosted Ni-Cu-PGE deposits in Finland, Ore Geology Reviews (2018), doi: https://doi...isotope geochemistry of komatiite-hosted Ni-Cu-PGE deposits in Finland Moilanen, M.1*, Hanski, E.1, Konnunaho...of Oulu, Finland 2 Geological Survey of Finland, P.O. Box 77, FI-96101 Rovaniemi, Finland 3 Key Laboratory... P.O. Box 3000, FI-90014 University of Oulu, Finland. E-mail address: marko.moilanen@oulu.fi Abstract |  | | Journal (article/letter/editorial) | | minerals Article Oxidative Dissolution of Low-Grade Ni-Cu Ore and Impact on Flotation of Pentlandite Benjamin...E.; Dahl, O. Oxidative Dissolution of Low-Grade Ni-Cu Ore and Impact on Flotation of Pentlandite. Minerals...and Olli Dahl 2 Boliden Kevitsa Mine, Kevitsantie 730, 99670 Sodankylä, Finland Department of Bioproducts... 02150 Espoo, Finland Metso Outotec Finland Oy, Rauhalanpuisto 9, 02230 Espoo, Finland Correspondence:...surface oxidation on the floatability of Kevitsa low-grade Ni-Cu ore. Physicochemical measurements, ethylene |  | Aaltonen, Annukka, Le, Thi Minh Khanh, Saari, Eija, Dahl, Olli, Musuku, Benjamin, Lang, Aleksandra, Hiidenheimo, Sakari, Dixon, Richard (2023) Improving Nickel Recovery in Froth Flotation by Purifying Concentrators Process Water Using Dissolved Air Flotation. Minerals, 13 (3) 319 doi:10.3390/min13030319 | Journal (article/letter/editorial) | | Recovery in Froth Metso Outotec Finland Oy, Rauhalanpuisto 9, 02230 Espoo, Finland Department of Bioproducts... 02150 Espoo, Finland Boliden Kevitsa Mine, Kevitsantie 730, 99670 Sodankylä, Finland Metso Outotec Research...Research Center, Kuparitie 10, 28330 Pori, Finland Metso Outotec España SA, Avenida Arroyomolinos 11...grade in laboratory scale flotation tests to the Ni rougher-scavenger concentrate increased after DAF...performance. For instance, the Kevitsa Ni-Cu-PGE concentrator plant in northern Finland has been experiencing |  | | Journal (article/letter/editorial) | | between the impact melt sheet and the nickel-copper-PGE sulfides is considered and a detailed hypothesis...and opens up into a global review of nickel-copper-PGE sulfide deposits. The author describes four other...stay relevant in today’s mining environment, the mine geologist needs to pay particular attention to these...would be an excellent purchase for a newly graduated mine or exploration geologist and a worthwhile reference...Jensen Juneau, Alaska, USA Mineral Deposits of Finland. Wolfgang D. Maier, Raimo Lahtinen, and Hugh O’Brien |  | | Journal (article/letter/editorial) | | between the impact melt sheet and the nickel-copper-PGE sulfides is considered and a detailed hypothesis...and opens up into a global review of nickel-copper-PGE sulfide deposits. The author describes four other...stay relevant in today’s mining environment, the mine geologist needs to pay particular attention to these...would be an excellent purchase for a newly graduated mine or exploration geologist and a worthwhile reference...Jensen Juneau, Alaska, USA Mineral Deposits of Finland. Wolfgang D. Maier, Raimo Lahtinen, and Hugh O’Brien |  | | Journal (article/letter/editorial) | | between the impact melt sheet and the nickel-copper-PGE sulfides is considered and a detailed hypothesis...and opens up into a global review of nickel-copper-PGE sulfide deposits. The author describes four other...stay relevant in today’s mining environment, the mine geologist needs to pay particular attention to these...would be an excellent purchase for a newly graduated mine or exploration geologist and a worthwhile reference...Jensen Juneau, Alaska, USA Mineral Deposits of Finland. Wolfgang D. Maier, Raimo Lahtinen, and Hugh O’Brien |  | Barnes, Stephen J., Mole, David R., Hornsey, Richard, Schoneveld, Louise E. (2019) Nickel-Copper Sulfide Mineralization in the Ntaka Hill Ultramafic Complex, Nachingwea Region, Tanzania. Economic Geology, 114 (6) 1135-1158 doi:10.5382/econgeo.4677 | Journal (article/letter/editorial) | | Republic of South Africa Abstract The Ntaka Hill Ni-Cu deposit in Tanzania lies within the Mozambique belt...are widely variable, ranging from 1 to 17% Ni and 0.5 to 10% Cu with no particular correlation with host-rock...restricted, with the lowtenor component (<3% Ni, <1% Cu) missing. Olivine compositions vary widely, with... These unusually high Ni contents are attributed to equilibration with high-Ni-tenor sulfides percolating...graphite in the marginal pyroxenites, olivine-sulfide Fe/Ni partitioning records typical redox conditions that |  | Karlsson, Teemu, Räisänen, Marja Liisa, Myöhänen, Timo, Alakangas, Lena, Lehtonen, Marja, Kauppila, Päivi (2021) Hydrogen Peroxide Ammonium Citrate Extraction: Mineral Decomposition and Preliminary Waste Rock Characterization. Minerals, 11 (7) 706 doi:10.3390/min11070706 | Journal (article/letter/editorial) | | Economy Solutions, Geological Survey of Finland, 70211 Kuopio, Finland; paivi.kauppila@gtk.fi Department of...and Recycling, Geological Survey of Finland, 70211 Kuopio, Finland; marja.raisanen@pp1.inet.fi Eurofins...Kuopio, Finland; timo.myohanen@iki.fi Circular Economy Solutions, Geological Survey of Finland, 02151...02151 Espoo, Finland; marja.lehtonen@gtk.fi Correspondence: teemu.karlsson@gtk.fi; Tel.: +358-50-565-1370...Samples collected from several different mine sites in Finland were utilized. The waste rock sample S contents |  | | Journal (article/letter/editorial) | | in the example of the deposits in the Central Lapland Paleoproterozoic belt, gold mineralization formed...boundary, a suture delineating the core of the Lapland–Kola orogen in the north, and the series of overthrusts...segment of the Russian Arctic and in northern Finland. In the article below, data on the age of pre-ore...the better-studied gold deposits in the Finnish Lapland. Minerals 2022, 12, 537. https://doi.org/10.3390/min12050537...the better‐studied gold deposits in the Finnish Lapland. Minerals 2022, 12, 537 2 of 21 2. Distribution |  | Barnes, Stephen J., Mungall, James E., Le Vaillant, Margaux, Godel, Belinda, Lesher, C. Michael, Holwell, David, Lightfoot, Peter C., Krivolutskaya, Nadya, Wei, Bo (2017) Sulfide-silicate textures in magmatic Ni-Cu-PGE sulfide ore deposits: Disseminated and net-textured ores. American Mineralogist, 102 (3) 473-506 doi:10.2138/am-2017-5754 | Journal (article/letter/editorial) | | DEPOSITS Sulfide-silicate textures in magmatic Ni-Cu-PGE sulfide ore deposits: Disseminated and net-textured...feeder tubes. (4) Sulfide disseminations, commonly PGE-rich, in the marginal facies of large layered intrusions...predominant minerals under most circumstances are pyrrhotite, pentlandite, and chalcopyrite, forming aggregates...conditions, sulfide liquids with appreciable Ni and Cu contents have dihedral angles >60 and will not...material such as disseminated to blebby magmatic Fe-Ni-Cu sulfides. Reconstruction to produce the tomographic |  | Tanner, Dominique, McDonald, Iain, Harmer, R.E. Jock, Muir, Duncan D., Hughes, Hannah S.R. (2019) A record of assimilation preserved by exotic minerals in the lowermost platinum-group element deposit of the Bushveld Complex: The Volspruit Sulphide Zone. Lithos, 324. 584-608 doi:10.1016/j.lithos.2018.10.032 | Journal (article/letter/editorial) | | Complex. Unlike any other platinum-group element (PGE) deposit of the Bushveld Complex, the Volspruit Sulphide...Sulphide Zone, to NU determine the origin of the PGE mineralisation in ultramafic cumulates and evaluate...metal sulphides reveal the highest S/Se values in pyrrhotite and chalcopyrite yet recorded in the Bushveld...to sulphide melt) compared to other sulphide-poor PGE deposits, with a calculated R factor of ~500-3000...slurry. Therefore, we consider it is possible for PGE mineralisation to occur in the ultramafic portion |  | | Journal (volume) | | Geological Survey of Finland 2018 Improving the environmental properties, utilisation potential and... Geological Survey of Finland, Bulletin The Bulletin of the Geological Survey of Finland publishes the results...performance of arsenic-containing tailings. SURVEY OF FINLAND Bulletin 408 Improving the environmental properties...prediction of mining wastes. Geological Survey of Finland, Bulletin 408, 108 pages, 50 figures and 17 tables...quality measured from waste facilities at Finnish mine sites. In addition, the use of reactive transport |
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