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): |
Sautusvaara North; Sautusvaara malmfält |
Political location(s): |
Sweden; Province or state: Nörrbotten County; Nearest community: Kiruna (25 km NE) |
Deposit clan (type): |
Iron Skarn-type |
Deposit (sub) types: |
layered banded skarn ore bodies; alteration minerals characterize the iron skarn deposit; 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: |
significant prospect; Size category: 13.3 Mt; Status comments: discovered in 1896; no mining; northern of the three ore bodies in a 2 km long zone trending NW; resources of 13.3 Mt averaging 42.1 % Fe, 0.074 % P, 0.17 % V, 0.48 % S and 0.03 % Cu |
Geologic province: |
Svecofennian Orogen |
Geologic subprovince: |
Northern Svecofennian |
Geologic district: |
Kiruna (Ore District) |
Commodities: |
Fe |
Mineralization styles: |
stratiform magnetite layers and lenses; banded; massive |
Geological ages: |
Late Paleoproterozoic (mineralization) Late Paleoproterozoic (host rocks) |
Coincident features: |
bedding in host strata |
Host rocks: |
(1) sedimentary; mudstone-carbonate-sandstone (footwall marlstone, graphitic shale and limestone beds); Depositional setting: continental; Metamorphic grade: greenschist-amphibolite; Component: foot wallIndividual lithologies: | skarn shale (graphitic) marl sandstone | Host rock stratigraphy: | Vittangi Greenstone Group |
(2) volcanic; mafic volcanic rocks (greenstones in the footwall; beneath marlstone-graphitic shale); Magma series/sedimentary package/metamorphic group: calc-alkaline; Depositional setting: continental; Metamorphic grade: greenschist-amphibolite; Component: foot wallIndividual lithologies: | greenschist | Host rock stratigraphy: | Vittangi Greenstone Group |
(3) sedimentary; conglomerate (hanging wall conglomerate, about 100 m thick); Depositional setting: continental; Metamorphic grade: greenschistHost rock stratigraphy: | Vittangi Greenstone Group |
(4) volcanic; felsic volcanic rocks (porphyritic felsic volcanics); Depositional setting: continental; Metamorphic grade: greenschistHost rock stratigraphy: | Porphyrite Group |
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Metallogenic signatures: |
Fe |
Alteration signatures: |
skarn: tremolite, diopside, hedenbergite; What was altered: host calcareous metasediments potassic alteration: biotite; What was altered: mafic silicates scapolitization: scapolite ; What was altered: feldspars |
Mineralogy: |
(alteration): diopside, hedenbergite, tremolite, scapolite, biotite, chlorite, calcite (mineralization): magnetite, apatite, pyrite, pyrrhotite, chalcopyrite |
Deposit shape: |
tabular |
References: |
Anonymous, 2000 |
Swedish Database of Mineral Deposits |
Email |
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. |
13.3 million metric tons ore; Combined with production?: no; Provisional entry?: yesGrade-commodity information: | Fe: 42.1 percent Cu: 0.03 percent P: 0.074 percent V: 0.168 percent S: 0.48 percent | Reference: Anonymous, 2000: Swedish Database of Mineral Deposits; Email Percent weights allocated to deposit: 100.0% |