Database name: |
World Fe-oxide+/-Cu-Au-U (IOCG) deposits |
Compilers: |
Sunil S. Gandhi |
Release date: |
2015-03-04 |
|
|
Deposit name(s): |
Tjårrojåkka Cu |
Political location(s): |
Sweden; Province or state: Nörrbotten County; Nearest community: Kiruna (60 km 250°) |
Deposit clan (type): |
Olympic Dam-type |
Deposit (sub) types: |
veins and disseminations mainly in tuffite associated with intermediate to felsic volcanic sequence; Fe oxide-Cu-Au mineralization with potash feldspar and scapolite as alteration minerals; Reference: Anonymous, 2000: Swedish Database of Mineral Deposits; Email |
Deposit status: |
prospect; Size category: 13 Mt; Status comments: average grade 0.43 % Cu; higher grade tonnage of 3.23 Mt at 087 % Cu; located 400 m WNW of Tjårrojåkka Fe deposit (DEPNO. 22) containing resources of 52.6 Mt averaging 51.5 % Fe and 0.8 % P; no mining |
Geologic province: |
Svecofennian Orogen |
Geologic subprovince: |
Northern Svecofennian |
Geologic district: |
Ekströmsberg (Ore District) |
Commodities: |
Cu |
Mineralization styles: |
disseminated; veinlets |
Geological ages: |
Late Paleoproterozoic (mineralization) Late Paleoproterozoic (host rocks) |
Host rocks: |
(1) volcanic; unclassified volcanic rocks (tuffite)Internal host rock structures: | tuffite | Individual lithologies: | tuffite |
|
Metallogenic signatures: |
Fe-Cu-Au |
Alteration signatures: |
potassic alteration: potash feldspar; What was altered: feldspar scapolitization: scapolite ; What was altered: feldspars |
Mineralogy: |
(mineralization): chalcopyrite, magnetite, bornite, pyrite, hematite, chalcocite, covellite, gold |
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 |
|
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. |
3.226 million metric tons ore; Combined with production?: no; Provisional entry?: yesGrade-commodity information: | Cu: 0.87 percent | Reference: Anonymous, 2000: Swedish Database of Mineral Deposits; Email Percent weights allocated to deposit: 100.0% |