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| | 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 | 👁 Image
| | 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 | 👁 Image
| | 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 | 👁 Image
| 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 | 👁 Image
| 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 | 👁 Image
| 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. | 👁 Image
| | 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 | 👁 Image
| 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...Boliden Kevitsa, Finland
6
7
8
ct
ed
pr
Abstract: The Kevitsa mine, located in northern Finland, contains...contains disseminated Ni–Cu–Fe sulphides and platinum-group minerals.
Earlier studies had reported trace...platinum-group elements; gold; LA-ICP-MS; Kevitsa mine;
Finland.
rre
10
11
12
13
14
15
16
17
18
19
20...36
37
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41
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43
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47
The Kevitsa Ni–Cu–PGE deposit is a low-grade,
disseminated sulphide | 👁 Image
| | 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 | 👁 Image
| 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 | 👁 Image
| | 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 | 👁 Image
| | Report (issue) | | GEOLOGICAL SURVEY OF FINLAND • Guide 54 • V. Juhani Ojala, Pär Weihed, Pasi Eilu and Markku Iljina (eds...(Aitik Cu-Au-Ag-Mo mine, Kemi Cr mine and Kirunavaara Fe mine). Recent discoveries of gold and Ni-PGE deposits...and site descriptions of Suhanko PGE, Pahtavaara Au, Kevitsa Ni-PGE, Suurikuusikko Au, Kolari IOCG, Kirunavaara...Kirunavaara Fe, Gruvberget IOCG, Aitik Cu-Au-Ag-Mo, and Kemi Cr deposits. ISBN 978-952-217-005-7 ISSN...ISSN 0781-643X GEOLOGICAL SURVEY OF FINLAND Guide 54 2007 Metallogeny and tectonic evolution of the | 👁 Image
| | 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 | 👁 Image
| | Journal (article/letter/editorial) | | deposits. Other deposits
include nickel and copper at Kevitsa, Kotalahti and Sakatti; vanadium at
Koillismaa;...socioeconomic and
political challenges. Mining of
PGE reefs (relatively narrow, but
laterally extensive...narrow PGE
INTRODUCTION
reefs in South Africa ceases, and
PGE prices increase as a result, PGE deposits...will trigger a >100% increase
export of unprocessed Ni from Indonesia, and the repeated in the demand for...potential short-term supply problems are caused by
V, Cu, and Ni. To meet this potentially dramatic future
political | 👁 Image
| | 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 | 👁 Image
| | 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 | 👁 Image
| 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 | 👁 Image
| | 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 | 👁 Image
| | 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 | 👁 Image
| | 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 | 👁 Image
| 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 | 👁 Image
| 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 | 👁 Image
| | 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 | 👁 Image
| 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 | 👁 Image
| 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 |
|
