CANADIAN AND WORLD MINERAL DEPOSIT DATABASES
Geological Survey of Canada


Deposit number Country Location Names Commodities
20 Sweden (Nörrbotten County) 68.00.14 N -- 021.58.07 E Kevus Fe; Co; Mn; S
 
Database name: World Fe-oxide+/-Cu-Au-U (IOCG) deposits
Compilers: Sunil S. Gandhi
Release date: 2015-03-04
   
Deposit name(s): Kevus
Political location(s): Sweden; Province or state: Nörrbotten County; Nearest community: Kiruna (80 km ENE)
Deposit clan (type): Iron Skarn-type
Deposit (sub) types: breccia-fillings, veins and disseminations of iron oxides and associated minerals in volcanic rocks; Reference: Anonymous, 2000: Swedish Database of Mineral Deposits; Email
stratiform deposits hosted by limestones, graphitic schists and associated metasediments; Reference: Zitzmann, A. (Editor(s)), 1978: The Iron Ore Deposits of Europe and Adjacent Areas: Explanatory Notes to the International Map of the Iron Ore Deposits of Europe, 1:2,500,000 (Lists and Tables); International Geological Congress, Commission for the Geological Map of the World, Subcommission for the Metallogenic Map of the World, Bundesanstalt fur Geowissenschaften und Rohstoffe, Postfach 51 01 53, D-3000 Hannover 51, Volume II, 386 p.
enigmatic 'epigenetic, metasomatic' and 'magmatic-tectonic' iron mineraliztion; Reference: Frietsch, R.; Tuisku, P.; Martinsson, O.; Perdahl, J. -A., 1997: Early Proterozoic Cu-(Au) and Fe Ore Deposits Associated with Regional Na-Cl Metsomatism in Northern Fennoscandia; Ore Geology Reviews, Volume 12, p. 1 - 34
Deposit status: significant prospect; Size category: 38.8 Mt
Geologic province: Svecofennian Orogen
Geologic subprovince: Northern Svecofennian
Geologic district: Lannavaara (Ore District)
Commodities: Fe; Co; Mn; S
Mineralization styles: massive; veins and associated disseminations
Geological ages: Late Paleoproterozoic (mineralization)
Late Paleoproterozoic (host rocks)
Host rocks: (1) metasomatic-hydrothermal; unclassified metasomatic rocks (trachyandesite and trachyte); Magma series/sedimentary package/metamorphic group: calc-alkaline; Depositional setting: continental; Metamorphic grade: greenschist
Host rock protoliths:trachyandesite
andesite
Individual lithologies:skarn
Alteration signatures: skarn: diopside, hornblende; What was altered: volcanic host rocks
scapolitization: scapolite, analcime; What was altered: calcic feldspar
albitization: albite; What was altered: feldspar
Mineralogy: (alteration): diopside, scapolite, hornblende, albite, microcline, quartz, scapolite, analcime
(gangue): pyrrhotite, pyrite, tourmaline, fluorite, baryte
(mineralization): magnetite, hematite
Qualified comments: (Applies to: discovery and development) Geophysical anomaly; discovered in 1920-'2; estimated resources of 38.8 Mt averaging 28 % Fe, 0.0 % P, 0.1 % Cu and 1 % S. Deposit at the northwest end of a 5 km long zone that also hosts the Sattavaara and Teltaja deposits to the southeast; discovered in 1920-'21; explored to 200 m depth; no mining
References:
Anonymous, 2000
Swedish Database of Mineral Deposits
Email

Carlon, C. J., 2000
Iron Oxide Systems and Base Metal Mineralisation in Northern Sweden
Section Eurasia and Africa, in Hydrothermal Iron Oxide Copper-Gold and Related Deposits: A Global Perspective, Volume 1, Edited by Porter, T. M., Australian Mineral Foundation, Adelaide, Australia, PGC Publishing, Adelaide, 349 p, p. 283 - 296

Frietsch, R.; Tuisku, P.; Martinsson, O.; Perdahl, J. -A., 1997
Early Proterozoic Cu-(Au) and Fe Ore Deposits Associated with Regional Na-Cl Metsomatism in Northern Fennoscandia
Ore Geology Reviews, Volume 12, p. 1 - 34

Zitzmann, A. Editor(s)), 1978
The Iron Ore Deposits of Europe and Adjacent Areas: Explanatory Notes to the International Map of the Iron Ore Deposits of Europe, 1:2,500,000 (Lists and Tables)
International Geological Congress, Commission for the Geological Map of the World, Subcommission for the Metallogenic Map of the World, Bundesanstalt fur Geowissenschaften und Rohstoffe, Postfach 51 01 53, D-3000 Hannover 51, Volume II, 386 p.

Resource data:
Disclaimer - Reserves/Resource Data

Her Majesty the Queen in Right of Canada, represented by the Minister of Natural Resources (NRCan) does not warrant or guarantee the accuracy, completeness or fitness for any purpose of Reserve and Resource information (Data) contained in this database, including whether the Data is compliant with any securities regulations or standards, and NRCan does not assume any liability with respect to any damage or loss incurred as a result of the use made of the Data.

Resource and reserve figures are historical in nature. The Data source provided with each set of figures should be cited if the Data are re-reported.

38.8 million metric tons ore; Combined with production?: no; Provisional entry?: yes
Grade-commodity information:Fe: 28 percent
Cu: 0.1 percent
P: 0.01 percent
S: 1 percent
Reference: Anonymous, 2000: Swedish Database of Mineral Deposits; Email
Percent weights allocated to deposit: 100.0%

Generated 2015-03-04 14:16:40 with GQuery -- 3.7 ADO (3.19..3.22 -- 2008-12-16)
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