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): |
Vieto M; Ajtijokki |
Political location(s): |
Sweden; Province or state: Nörrbotten County; Nearest community: Kiruna (22 km W) |
Deposit clan (type): |
Iron Skarn-type |
Deposit (sub) types: |
stratiform, rich in skarn minerals; massive and disseminated ore; ENE strike, northwest-trending faults; sulphide-bearing deposit, mainly pyrite and pyrrhotite; minor chalcopyrite and sphalerite; 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: 15.5 Mt; Status comments: discovered in 1914; Vieto M, E and W ore bodies along a 1.58 km strike zone; resources total of the three; thickness: 40-70 m, thicker to the east; average grade: 37 % Fe, 0.12 % P, 1.5 % S; no mining |
Geologic province: |
Svecofennian Orogen |
Geologic subprovince: |
Northern Svecofennian |
Geologic district: |
Kiruna (Ore District) |
Commodities: |
Fe; P; Cu; Zn; S |
Mineralization styles: |
massive; disseminated |
Geological ages: |
Late Paleoproterozoic (mineralization) Late Paleoproterozoic (host rocks) |
Host rocks: |
(1) volcanic; unclassified volcanic rocks (hanging wall); Depositional setting: continental; Metamorphic grade: greenschist-amphiboliteHost rock protoliths: | greenstone | Individual lithologies: | skarn | Host rock stratigraphy: | greenstone |
(2) sedimentary; unclassified sedimentary rocks (sediments associated with greenstone); Depositional setting: continental; Metamorphic grade: greenschist-amphiboliteHost rock protoliths: | volcaniclastic rocks | Individual lithologies: | carbonate tuffite (calcareous) tuffs (calcareous) | Host rock stratigraphy: | greenstone associated sediments |
(3) intrusive; gabbro suite (footwall diabase intrusive into greenstone ); Depositional setting: continental; Metamorphic grade: greenschistHost rock stratigraphy: | diabase sills |
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Mineralogy: |
(alteration): magnetite, calcite, tremolite, actinolite, talc, chlorite, phlogopite, epidote, apatite, pyrite, pyrrhotite, chalcopyrite |
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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