CANADIAN AND WORLD MINERAL DEPOSIT DATABASES
Geological Survey of Canada


Deposit number Country Location Names Commodities
3 Sweden (Nörrbotten County) 67.38.60 N -- 020.59.42 E Gruvberget Cu; Gruvberget Cu; Co; Au; Mo
 
Database name: World Fe-oxide+/-Cu-Au-U (IOCG) deposits
Compilers: Sunil S. Gandhi
Release date: 2015-03-04
   
Deposit name(s): Gruvberget Cu; Gruvberget
Political location(s): Sweden; Province or state: Nörrbotten County; Nearest community: Luleä
Deposit clan (type): Cloncurry-type
Deposit (sub) types: polymetallic veinlets and schlieren cutting trachytic to basaltic volcanic rocks of the Kiruna Porphyry Group in contact zone of a large massive magnetite-apatite ore body; Reference: 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
Deposit status: past producer; Size category: small
Geologic province: Svecofennian Orogen
Geologic subprovince: Northern Svecofennian
Geologic district: Svappavaara (Ore District)
Commodities: Cu; Co; Au; Mo
Mineralization styles: disseminated; veinlets
Geological ages: Late Paleoproterozoic (mineralization)
Early Proterozoic (host rocks)
Late Paleoproterozoic (host rocks)
Host rocks: (1) volcanic; intermediate volcanic rocks (scapolitization); Magma series/sedimentary package/metamorphic group: calc-alkaline; Depositional setting: continental; Metamorphic grade: greenschist
Individual lithologies:andesite
Metallogenic signatures: Cu
Alteration signatures: skarn: garnet, epidote, calcite; What was altered: host rocks
scapolitization: scapolite ; What was altered: feldspars
epidotization: epidote; What was altered: mafic silicates
potassic alteration: microcline; What was altered: feldspar
hematization: hematite; What was altered: magnetite
Mineralogy: (alteration): scapolite, tremolite, actinolite, amphibole, epidote, microcline
(mineralization): bornite, chalcopyrite, cuprite, covelline, malachite, azurite, pyrite, arsenopyrite, erythrite, molybdenite, gold, copper, native, calcite
Qualified comments: (Applies to: discovery and development) Copper ore was mined from 1640 to 1741; located in the contact zone of the larger Kiruna-type Gruvberget Fe deposit containing 74.08 Mt of iron ore; average Cu grade mined was 0.5 %, with 1 % S
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.


Generated 2015-03-04 14:16:37 with GQuery -- 3.7 ADO (3.19..3.22 -- 2008-12-16)
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