Deposit number | Country | Location | Names | Commodities |
58 | Sweden (Nörrbotten County) | 67.46.15 N -- 020.09.02 E | Rakkurijärvi Fe; Rakkurijärvi Cu-(Au) | Cu; Fe |
Database name: | World Fe-oxide+/-Cu-Au-U (IOCG) deposits | ||||||
Compilers: | Sunil S. Gandhi | ||||||
Release date: | 2015-03-04 | ||||||
Deposit name(s): | Rakkurijärvi Fe; Rakkurijärvi Cu-(Au) | ||||||
Political location(s): | Sweden; Province or state: Nörrbotten County; Nearest community: Kiruna | ||||||
Deposit clan (type): | Olympic Dam-type | ||||||
Deposit (sub) types: | massive ore in mafic volcanics; Reference: Anonymous, 2000: Swedish Database of Mineral Deposits; Email | ||||||
Deposit status: | significant prospect; Size category: 6 Mt; Status comments: average ore grade: 25 % Fe, 0.1 % P and 1.0 % S | ||||||
Geologic province: | Svecofennian Orogen | ||||||
Geologic subprovince: | Northern Svecofennian | ||||||
Geologic district: | Kiruna (Ore District) | ||||||
Commodities: | Cu; Fe | ||||||
Mineralization styles: | massive | ||||||
Geological ages: | Late Paleoproterozoic (mineralization) Late Paleoproterozoic (host rocks) | ||||||
Host rocks: | (1) volcanic; mafic volcanic rocks (greenstone porphyrite); Magma series/sedimentary package/metamorphic group: calc-alkaline; Depositional setting: continental; Metamorphic grade: greenschist-amphibolite
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Metallogenic signatures: | Fe | ||||||
Alteration signatures: | albitization: albite-magnetite; What was altered: volcanic rocks and breccia matrices; Component: early alteration scapolitization: scapolite-biotite; What was altered: volcanic rocks; Component: post-albitization high temperature potassic alteration: potash feldspar; What was altered: volcanic rocks; Component: post-albitization high temperature propylitic alteration: quartz-hematite-epidote-muscovite-chlorite-calcite; What was altered: volcanic rocks, breccia, and veins; Component: post-albitization low temperature sulphide alteration: pyrite-chalcopyrite; What was altered: volcanic rocks, breccias, and veins supergene enrichment: malachite-native copper; What was altered: breccia alterantion and matrices; Component: weathering actinolite replacement: actinolite-pyrrhotite; What was altered: metabasites and veins; Component: early alteration | ||||||
Mineralogy: | (mineralization): magnetite | ||||||
References: |
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Resource data: |
6 million metric tons ore; Combined with production?: no; Provisional entry?: yes
Percent weights allocated to deposit: 100.0% |