CANADIAN AND WORLD MINERAL DEPOSIT DATABASES
Geological Survey of Canada


Deposit number Country Location Names Commodities
27 Sweden (Nörrbotten County) 67.52.24 N -- 020.15.50 E Lappmalmen Fe; P
 
Database name: World Fe-oxide+/-Cu-Au-U (IOCG) deposits
Compilers: Sunil S. Gandhi
Release date: 2015-03-04
   
Deposit name(s): Lappmalmen
Political location(s): Sweden; Province or state: Nörrbotten County; Nearest community: Kiruna (3 km NNE)
Deposit clan (type): Kiruna-type
Deposit (sub) types: one of the apatite-rich, hematite-magnetite stratabound deposits of 'Per Geiger' group that includes Rektorn, Nukutus, Henry and Haukivaara deposits; massive and banded, associated breccia-fillings; Reference: Anonymous, 2000: Swedish Database of Mineral Deposits; Email
Deposit status: significant prospect; Size category: 100 Mt; Status comments: discovered in 1960s; blind ore body from 400 to 700 m depth; 2 km long, up tp 200 m thick; trend NNE, dip 70° E; drill indicated resources; ore grade 43 % Fe and 4.5 % P; additional potential at depth
Geologic province: Svecofennian Orogen
Geologic subprovince: Northern Svecofennian
Geologic district: Kiruna (Ore District)
Commodities: Fe; P
Mineralization styles: massive; banded
Geological ages: Late Paleoproterozoic (mineralization)
Late Paleoproterozoic (host rocks)
Coincident features: bedding in host sequence (monoclinal sequence; trend N to NNE, dip moderate to steep to the east)
Host rocks: (1) volcanic; felsic volcanic rocks (quartz porphyries; in part subvolcanic); Magma series/sedimentary package/metamorphic group: calc-alkaline; Depositional setting: continental; Metamorphic grade: greenschist
Host rock stratigraphy:Porphyries

(2) sedimentary; sandstone-conglomerate (underlies the porphyries); Depositional setting: continental; Metamorphic grade: greenschist
Host rock stratigraphy:Hauki Sandstone

(3) sedimentary; mudstone-carbonate-sandstone (overlies the porphyries); Depositional setting: continental; Metamorphic grade: greenschist
Individual lithologies:shale (graphitic)
marl
sandstone
Host rock stratigraphy:Vakko sediments
Mineralogy: apatite
(alteration): muscovite, albite
(gangue): quartz, calcite, tourmaline
(mineralization): hematite, magnetite
Deposit shape: tabular
Deposit dimensions:strike length: 2,000 metres
thickness: 200 metres
length down-dip: 300 metres
References:
Anonymous, 2000
Swedish Database of Mineral Deposits
Email

Parák, T., 1975
The Origin of Kiruna Iron Ores
Sveriges Geologiska Undersökning, Serie C, Arsbok 69, NR 1, Geological Survey of Sweden, Publication code 709, 209 p.

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.

100 million metric tons ore; Combined with production?: no; Provisional entry?: yes
Grade-commodity information:Fe: 43 percent
Reference: Anonymous, 2000: Swedish Database of Mineral Deposits; Email
Percent weights allocated to deposit: 100.0%

Generated 2015-03-04 14:16:43 with GQuery -- 3.7 ADO (3.19..3.22 -- 2008-12-16)
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