Database name: |
World Fe-oxide+/-Cu-Au-U (IOCG) deposits |
Compilers: |
Sunil S. Gandhi |
Release date: |
2015-03-04 |
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Deposit name(s): |
Nukutus; Nukutusvaara; Nokutusvaara |
Political location(s): |
Sweden; Province or state: Nörrbotten County; Nearest community: Kiruna (5 km N) |
Deposit clan (type): |
Kiruna-type |
Deposit (sub) types: |
one of the apatite-rich, hematite-magnetite stratabound deposits of 'Per Geiger' group that includes Rektorn, Henry, Haukivaara and Lappmalmen deposits; massive and banded, associated breccia-fillings; 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. |
Deposit status: |
suspended; Size category: 14.74 Mt; Status comments: production of ore in 1961: 161000 tonnes and from 1971 to 1975: 15.56 Mt; open pit mining; average grade of the deposit: 46.8 % Fe, 3.77 % P, 0.08 % Mn, 0.005 % S and 9 to 12 % SiO2 |
Geologic province: |
Svecofennian Orogen |
Geologic subprovince: |
Northern Svecofennian |
Geologic district: |
Kiruna (Ore District) |
Commodities: |
Fe; P |
Mineralization styles: |
massive; banded |
Geological ages: |
Late Paleoproterozoic (mineralization) Late Paleoproterozoic (host rocks) |
Coincident features: |
bedding in host sequence (monoclinal sequence; trend N to NNE, dip moderate to steep to the east) |
Metallogenic signatures: |
Fe-P |
Mineralogy: |
(alteration): muscovite, tourmaline, apatite, albite (gangue): quartz, calcite (massive ore): magnetite>hematite |
Deposit shape: |
tabular |
References: |
Anonymous, 2000 |
Swedish Database of Mineral Deposits |
Email |
Parák, T., 1975 |
The Origin of Kiruna Iron Ores |
Sveriges Geologiska Undersökning, Serie C, Arsbok 69, NR 1, Geological Survey of Sweden, Publication code 709, 209 p. |
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. |
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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. |
14.74 million metric tons ore; Combined with production?: yes; Provisional entry?: yesGrade-commodity information: | Fe: 42.5 percent | Reference: Anonymous, 2000: Swedish Database of Mineral Deposits; Email Percent weights allocated to deposit: 100.0% |