CANADIAN AND WORLD MINERAL DEPOSIT DATABASES
Geological Survey of Canada


Deposit number Country Location Names Commodities
49 Sweden (Nörrbotten County) 68.13.22 N -- 019.42.32 E Nakerivaara Fe; P
 
Database name: World Fe-oxide+/-Cu-Au-U (IOCG) deposits
Compilers: Sunil S. Gandhi
Release date: 2015-03-04
   
Deposit name(s): Nakerivaara
Political location(s): Sweden; Province or state: Nörrbotten County; Nearest community: Kiruna (52 km NW)
Deposit clan (type): Kiruna-type
Deposit (sub) types: stratiform dissemination zone 1.5 km long trending NNW, 20 m thick in the south and up tom 100 m in the north, with ore breccias in oligoclase-diorite, syenite and granite dykes in the southern part; 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: 12.7 Mt; Status comments: discovered in 1897; noi mining; estimated resources of 12.7 Mt averaging 31 % Fe, 0.3 % P, 0.004 to 0.1 % S, 3 % SiO2, < 0.5 % CaO, 0.3 to 1 % Al2O3 and 0.063 to 0.24 % TiO2; magnetite > hematite
Geologic province: Svecofennian Orogen
Geologic subprovince: Northern Svecofennian
Geologic district: Svappavaara (Ore District)
Commodities: Fe; P
Mineralization styles: dissemination; breccia-fillings
Geological ages: Late Paleoproterozoic (mineralization)
Late Paleoproterozoic (host rocks)
Host rocks: (1) volcanic; intermediate volcanic rocks (intermediate volcanic rocks intruded by diorite, syenite and granite dykes); Magma series/sedimentary package/metamorphic group: calc-alkaline; Depositional setting: continental; Metamorphic grade: lower amphibolite
Individual lithologies:amphibolite

(2) intrusive; gabbro-diorite suite (oligoclase-diorite in the southern part of the deposit); Magma series/sedimentary package/metamorphic group: calc-alkaline; Depositional setting: continental; Metamorphic grade: greenschist
(3) intrusive; syenite suite (dykes in volcanic unit in the southern part of the deposit); Magma series/sedimentary package/metamorphic group: calc-alkaline; Depositional setting: continental; Metamorphic grade: greenschist
(4) intrusive; granite suite (dykes in volcanic unit in the southern part of the deposit); Magma series/sedimentary package/metamorphic group: calc-alkaline; Depositional setting: continental; Metamorphic grade: none
Metallogenic signatures: Fe
Alteration signatures: potassic alteration: biotite; What was altered: mafic silicates
hematization: hematite; What was altered: magnetite
Mineralogy: (alteration): actinolite, tremolite, biotite
(mineralization): magnetite>hematite, apatite
Deposit shape: tabular
Deposit dimensions:length: 1.5 kilometres
width: 60 metres
depth: 200 metres
References:
Anonymous, 2000
Swedish Database of Mineral Deposits
Email

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.

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.

12.7 million metric tons ore; Combined with production?: no; Provisional entry?: yes
Grade-commodity information:Fe: 31 percent
S: 0.028 percent
Reference: Anonymous, 2000: Swedish Database of Mineral Deposits; Email
Percent weights allocated to deposit: 100.0%

Generated 2015-03-04 14:16:47 with GQuery -- 3.7 ADO (3.19..3.22 -- 2008-12-16)
GlobalDB System, Geological Survey of Canada, Natural Resources Canada