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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...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...According to this model, the expansion of the plagioclase stability field in the Mg2SiO4 –
CaAl2Si2O8 – | 👁 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
| | 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
| 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
| 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
| Horrocks, Tom, Holden, Eun-Jung, Wedge, Daniel, Wijns, Chris, Fiorentini, Marco (2019) Geochemical characterisation of rock hydration processes using t-SNE. Computers & Geosciences, 124. 46-57 doi:10.1016/j.cageo.2018.12.005 | Journal (article/letter/editorial) | | intervals intersecting the Kevitsa mafic-ultramafic intrusion (Lapland, Finland); and (ii) a
18
subset...Wijns provided details regarding the case study (Kevitsa). Both Dr. Chris Wijns and Dr. Marco
Fiorentini...intersecting the Kevitsa mafic-ultramafic intrusion in Finland which
69
hosts a world class Ni-Cu-PGE deposit...setting
94
The Kevitsa Ni-Cu-PGE deposit—also known as the Keivitsa or Keivitsansarvi deposit—lies within...Savukoski Group of the Central Lapland Greenstone Belt,
96
northern Finland. The intrusion is approximately | 👁 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
| | 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
| | 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...zircon age of 2058 ± 4
Ma determined for the Kevitsa Ni-Cu sulphide ore-bearing intrusion, which is located | 👁 Image
| Huhma, Hannu, Hanski, Eero, Kontinen, Asko, Vuollo, Jouni, Mänttäri, Irmeli, Lahaye, Yann (2018) Sm–Nd and U–Pb isotope geochemistry of the Palaeoproterozoic mafic magmatism in eastern and northern Finland. Bulletin de la Commission Géologique de Finlande Vol. 405. Geological Survey of Finland | Journal (volume) | | Geological Survey of Finland
2018
Sm–Nd and U–Pb isotope geochemistry
of the Palaeoproterozoic mafic...mafic magmatism
in eastern and northern Finland
Hannu Huhma, Eero Hanski, Asko Kontinen, Jouni Vuollo, Irmeli... Geological Survey of Finland, Bulletin
The Bulletin of the Geological Survey of Finland publishes the results...the Scientific Editor.
GEOLOGICAL SURVEY OF FINLAND
Bulletin 405
Sm–Nd and U–Pb isotope geochemistry...Palaeoproterozoic mafic
magmatism in eastern and northern Finland
by
Hannu Huhma, Eero Hanski, Asko Kontinen, Jouni | 👁 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
| 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
| 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
| 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...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...types dominant
Reference
Alexo, Ontario
Komatiite Ni
Net-textured, patchy, and
Naldrett (1973); Houle | 👁 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
| 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...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...sub-economic, it may reduce
the grade or opportunity for PGE mineralisation higher up in the local magmatic stratigraphy | 👁 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
| | 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 | 👁 Image
| | Book | | born hills appear parallel to Mahagiri range due
to mine-waste dumping. Unpaved roads serve
the movement...The sky is gloomy throughout the
day due to the mine and road dust. Social evils,
crime, alcoholism,...education, counseling, and
training. Making stringent mine-safety rules is not
the solution—it has to be implemented...visited all possible platinum group of elements (PGEs)–Ni–Cr-bearing areas in India for
reconnaissance studies...DMG
DST
FACOR
GS
g/t
IMFA
IBM
Int.
MECL
ML
Mt
MYB
PGE
PGM
PL
ppb
ppm
OIG
OMC
ROM
RP
t
tpa/d
SIC
SUC
USGS/USBM | 👁 Image
| Fontana, Fernando F., Tassios, Steven, Stromberg, Jessica, Tiddy, Caroline, van der Hoek, Ben, Uvarova, Yulia A. (2021) Integrated Laser-Induced Breakdown Spectroscopy (LIBS) and Multivariate Wavelet Tessellation: A New, Rapid Approach for Lithogeochemical Analysis and Interpretation. Minerals, 11 (3) 312 doi:10.3390/min11030312 | Journal (article/letter/editorial) | | classification prior to 3D modelling at the Kevitsa Ni-Cu-(PGE)
deposit. In the mineral exploration context...data shows that Slab 14 is mainly
composed by plagioclase and pyroxene, with minor magnetite (Figure 5)...specimen, this region corresponds to a mixture of plagioclase and pyroxene (Figure 9).
5.2.2. Texture
Linking...has a dominantly bimodal mineralogy comprising plagioclase
Minerals 2021, 11, 312
17 of 21
(81%) and...allows for the clear distinction between the plagioclase- versus pyroxene-dominant zones
in the domain | 👁 Image
| | Journal (article/letter/editorial) | | Mafic-Ultramafic Complex: Further constraints for the PGE-mineralized magmatism in Carajás,
Brazil
Eduardo...Mafic-Ultramafic Complex: Further constraints for the PGE-mineralized magmatism in Carajás, Brazil, LITHOS...Mafic-Ultramafic Complex:
further constraints for the PGE-mineralized magmatism in Carajás, Brazil
SC
R
IP...Mafic-Ultramafic Complex:
further constraints for the PGE-mineralized magmatism in Carajás, Brazil
E T Mansur¹...layers. Several PGE-mineralized zones occur in the Transition Zone but
the bulk of the PGE resources are | 👁 Image
| Gongalsky, Bronislav I., Krivolutskaya, Nadezhda A., Ariskin, Alexey A., Nikolaev, George S. (2016) The Chineysky gabbronorite-anorthosite layered massif (NorthernTransbaikalia, Russia): its structure, Fe-Ti-V and Cu-PGE deposits, and parental magma composition. Mineralium Deposita, 51 (8) 1013-1034 doi:10.1007/s00126-016-0687-3 | Journal (article/letter/editorial) | | (NorthernTransbaikalia, Russia): its structure, Fe-Ti-V
and Cu-PGE deposits, and parental magma composition
Bronislav...and 10 % TiO2 on average. In addition, two
large Cu-PGE deposits—Rudny and Kontactovy—are hosted
in the...ore
is their Cu-enriched composition with much lesser amounts of
nickel and cobalt (Cu/Ni/Co ~ 76:7:1)...76:7:1). The sulfide ore contains up to 355 ppm PGE and 30 ppm Au + Ag. Three types of
sulfide mineralization...chalcopyrite, with less abundant pentlandite,
pyrrhotite, Co-Ni arsenides and sulfoarsenides, linneitegroup minerals | 👁 Image
| Maier, W.D.; Howard, H.M.; Smithies, R.H.; Yang, S.H.; Barnes, S.-J.; O'Brien, H.; Huhma, H.; Gardoll, S. (2015) Magmatic ore deposits in mafic–ultramafic intrusions of the Giles Event, Western Australia. Ore Geology Reviews, 71. doi:10.1016/j.oregeorev.2015.06.010 | Journal (article/letter/editorial) | | Mining School, University of Oulu, Oulu 90014, Finland
4
Sciences de la Terre, Université du Quebec...Canada
5
Geological Survey of Finland (GTK), FI-02151 Espoo, Finland
6
Department of Applied Geology...to be prospective
for (i) platinum group element (PGE) reefs in the ultramafic–mafic transition zones of...magnetite layers of their upper portions, (ii) Cu–Ni sulfide deposits hosted within
magma feeder conduits...Musgrave Province, Giles event, layered intrusions, PGE deposits, magnetite layers
1. Introduction
NU
| 👁 Image
| | Journal (article/letter/editorial) | | The mineral system approach applied to magmatic Ni-Cu-PGE sulphide
deposits
Stephen J. Barnes, Alexander...The mineral system approach applied to magmatic Ni-Cu-PGE
sulphide deposits, Ore Geology Reviews (2015)...MANUSCRIPT
Ni-Cu-PGE mineral systems
Barnes May 2015
The mineral system approach applied to magmatic Ni-Cu-PGE...Ni-Cu-PGE
PT
sulphide deposits
RI
Stephen J. Barnes1, Alexander R. Cruden2, Nicholas Arndt3, Benoit M...editor David Huston.
MA
Abstract
Most magmatic Ni-Cu-PGE sulphide deposits occur within long-lived magma |
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