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): |
Svappavaara ; Gruvberget Fe; Gruvberget |
Political location(s): |
Sweden; Province or state: Nörrbotten County; Nearest community: Svappavaara (3 km W) |
Deposit clan (type): |
Kiruna-type |
Deposit (sub) types: |
Kiruna-type ore oxidized to hematitic ore in the central and southern parts of the ore body, forming soft hematite ore including brecciated ore; 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: 74 Mt |
Geologic province: |
Svecofennian Orogen |
Geologic subprovince: |
Northern Svecofennian |
Geologic district: |
Svappavaara (Ore District) |
Commodities: |
Fe; P |
Mineralization styles: |
massive; breccia |
Geological ages: |
Late Paleoproterozoic (mineralization) Late Paleoproterozoic (host rocks) |
Host rocks: |
(1) volcanic; felsic volcanic rocks (pophyritic volcanic or sill); Magma series/sedimentary package/metamorphic group: calc-alkaline; Depositional setting: continental; Metamorphic grade: greenschistHost rock protoliths: | porphyritic rhyolites (feldspar and quartz feldspar porphyries, deformed and metamorphosed; referred as 'leptites' in older literature); Host rock protolith name: Kiruna Porphyries | Host rock stratigraphy: | Kiruna Porphyries |
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Metallogenic signatures: |
Fe-P |
Alteration signatures: |
scapolitization: scapolite ; What was altered: feldspars |
Mineralogy: |
(alteration): tremolite, chlorite, scapolite, muscovite (gangue): calcite, muscovite, quartz, microcline (mineralization): magnetite, hematite, actinolite, galena |
Deposit shape: |
tabularDeposit dimensions: | long axis: 1,300 metres width: 300 metres thickness: 30 metres |
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Qualified comments: |
(Applies to: discovery and development) Estimated 74.08 Mt of iron ore resources grading 55 % Fe and 0.5 % P; not mined for iron; a zone of younger Cu-Co-Au-Mo-As mineralization at the margin of the iron ore body was mined from 1654 to 1741 |
References: |
Anonymous, 2000 |
Swedish Database of Mineral Deposits |
Email |
Carlon, C. J., 2000 |
Iron Oxide Systems and Base Metal Mineralisation in Northern Sweden |
Section Eurasia and Africa, in Hydrothermal Iron Oxide Copper-Gold and Related Deposits: A Global Perspective, Volume 1, Edited by Porter, T. M., Australian Mineral Foundation, Adelaide, Australia, PGC Publishing, Adelaide, 349 p, p. 283 - 296 |
Frietsch, R., 1977 |
The Iron Ore Deposits in Sweden |
in 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 (Text and Figures), Edited by Walther, H. W.; Zitzmann, A., 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 I, 418 p, p. 279 - 293 |
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. |
Estimate date: 2007-12-31; 80 million metric tons ore; Combined with production?: no; Provisional entry?: no; Resource category: measured resourceGrade-commodity information: | Fe: 47.1 percent | Reference: Anonymous, 2007: Annual Report 2006: LKAB; Annual Report, http://www.lkab.com, Luossavara Kirunavaara Aktie Bolag (LKAB), 118 p. Percent weights allocated to deposit: 100.0%
Estimate date: 2007-12-31; 30 million metric tons ore; Combined with production?: no; Provisional entry?: no; Resource category: indicated resourceGrade-commodity information: | Fe: 47 percent | Reference: Anonymous, 2007: Annual Report 2006: LKAB; Annual Report, http://www.lkab.com, Luossavara Kirunavaara Aktie Bolag (LKAB), 118 p. Percent weights allocated to deposit: 100.0% |