Deposit number | Country | Location | Names | Commodities |
12 | Sweden (Nörrbotten County) | 67.47.11 N -- 020.13.12 E | Rakkurijoki | Fe; S |
Database name: | World Fe-oxide+/-Cu-Au-U (IOCG) deposits | |||
Compilers: | Sunil S. Gandhi | |||
Release date: | 2015-03-04 | |||
Deposit name(s): | Rakkurijoki | |||
Political location(s): | Sweden; Province or state: Nörrbotten County | |||
Deposit clan (type): | Iron Skarn-type | |||
Deposit (sub) types: | stratabound massive and banded; massive and banded magnetite in calcareous host strata indicative of replacive iron skarn deposit; Reference: Anonymous, 2000: Swedish Database of Mineral Deposits; Email | |||
Deposit status: | significant prospect; Size category: 48 Mt; Status comments: resources estimated at 48 Mt averaging 32 % Fe, o.1 % P and 1.9 % S | |||
Geologic province: | Svecofennian Orogen | |||
Geologic subprovince: | Northern Svecofennian | |||
Geologic district: | Kaunisvaara (Ore District) | |||
Commodities: | Fe; S | |||
Mineralization styles: | massive; banded | |||
Geological ages: | Late Paleoproterozoic (mineralization) Late Paleoproterozoic (host rocks) | |||
Host rocks: | (1) volcanic; mafic volcanic rocks (greenstone in footwall; associated with carbonates); Depositional setting: continental; Metamorphic grade: greenschist (2) sedimentary; carbonate (associated with greenstones in the footwall); Depositional setting: continental; Metamorphic grade: greenschist (3) sedimentary; sandstone (quartzite in hanging wall, assicated with porphyries); Depositional setting: carbonate platform; Metamorphic grade: greenschist (4) volcanic; felsic volcanic rocks (extrusive and sub-volcanic porphyries in the hanging wall); Metamorphic grade: greenschist | |||
Metallogenic signatures: | Fe | |||
Alteration signatures: | skarn: tremolite-actinolite-talc-chlorite-biotite; What was altered: calcareous beds | |||
Mineralogy: | (alteration): tremolite, actinolite, biotite, chlorite, talc, pyrite (mineralization): magnetite | |||
References: |
| |||
Resource data: |
48 million metric tons ore; Combined with production?: no; Provisional entry?: yes
Percent weights allocated to deposit: 100.0% |