Deposit number | Country | Location | Names | Commodities |
16 | Sweden (Nörrbotten County) | 67.58.18 N -- 022.00.54 E | Teltaja | Fe; Mn |
Database name: | World Fe-oxide+/-Cu-Au-U (IOCG) deposits | ||||||||||||
Compilers: | Sunil S. Gandhi | ||||||||||||
Release date: | 2015-03-04 | ||||||||||||
Deposit name(s): | Teltaja | ||||||||||||
Political location(s): | Sweden; Province or state: Nörrbotten County; Nearest community: Kiruna (80 km ENE) | ||||||||||||
Deposit clan (type): | Olympic Dam-type | ||||||||||||
Deposit (sub) types: | breccia-fillings, veins and disseminations of iron oxides and associated minerals in volcanic rocks ; Reference: Anonymous, 2000: Swedish Database of Mineral Deposits; Email stratiform deposits hosted by limestones, graphitic schists and associated metasediments; 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. enigmatic 'epigenetic, metasomatic' and 'magmatic-tectonic' iron mineraliztion; Reference: Frietsch, R.; Tuisku, P.; Martinsson, O.; Perdahl, J. -A., 1997: Early Proterozoic Cu-(Au) and Fe Ore Deposits Associated with Regional Na-Cl Metsomatism in Northern Fennoscandia; Ore Geology Reviews, Volume 12, p. 1 - 34 | ||||||||||||
Deposit status: | significant prospect; Size category: 43 Mt | ||||||||||||
Geologic province: | Svecofennian Orogen | ||||||||||||
Geologic subprovince: | Northern Svecofennian | ||||||||||||
Geologic district: | Lannavaara (Ore District) | ||||||||||||
Commodities: | Fe; Mn | ||||||||||||
Mineralization styles: | breccia-fillings; veins and associated disseminations | ||||||||||||
Geological ages: | Late Paleoproterozoic (mineralization) Late Paleoproterozoic (host rocks) | ||||||||||||
Coincident features: | breccia (brecciation of the host volcanic units); Coincident feature name: host breccia | ||||||||||||
Host rocks: | (1) volcanic; intermediate volcanic rocks (trachyandesite and trachyte); Metamorphic grade: greenschist
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Metallogenic signatures: | Fe-Cu-Mn | ||||||||||||
Alteration signatures: | skarn: diopside, tremolite, actinolite; What was altered: mafic silicates, feldspar scapolitization: scapolite, analcime; What was altered: calcic plagioclase oxidation: hematite; What was altered: magnetite | ||||||||||||
Mineralogy: | (alteration): microcline, diopside, actinolite, feldspar, tourmaline, tremolite, scapolite, analcime (gangue): phlogopite, quartz, barite (mineralization): magnetite, hematite, pyrite, pyrrhotite, fluorite | ||||||||||||
Qualified comments: | (Applies to: discovery and development) Discovered in 1920-'21; estimated resopurces of 43 Mt averaging 41 % Fe , 0.4 % Cu and 4 % Mn; unusually high content of Mn; no copper or manganese minerals reported. Deposit at the southeast end of a 5 km long zone that also hosts the Sattavaara and Kevus deposits to the northwest; discovered in 1920-'21; explored to 200 m depth; no mining | ||||||||||||
References: |
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Resource data: |
43 million metric tons ore; Combined with production?: no; Provisional entry?: yes
Percent weights allocated to deposit: 100.0% |