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): |
Afrikanda |
Political location(s): |
Russia; Province or state: Murmanskaya; Nearest community: Kirovsk (65 km SW) |
Deposit clan (type): |
Phalaborwa-type |
Deposit (sub) types: |
dissemination in pyroxenite, with fragments of olivinite; pegmatitic zones and veins of nepheline, pyroxene, titanomagnetite, perovskite and phlogopite; minor carbonate; pipe-like ore body; plunge NNW; 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: |
past producer; Size category: 625 Mt; Status comments: average grade: 13.5 % Fe and 9.6 % Ti; measured reserves in 1950: 38.2 Mt plus 152.5 Mt classed as B and C1; and indicated resources: 435 Mt - class C2; pipe-like body 0.75 sq km in area, 420 m depth |
Geologic province: |
Northern Baltic Shield |
Geologic subprovince: |
Kola Peninsula |
Geologic district: |
Murmansk |
Commodities: |
Fe; Ti |
Geological ages: |
Middle Devonian (mineralization) Middle Devonian (host rocks) |
Coincident features: |
intrusive core (alkaline-carbonatite pluton, concentrically differentiated; ultramafic core affected by late stage or metasomatic fluids); Coincident feature name: Africanda Intrusive Complex |
Host rocks: |
(1) intrusive; carbonatite-lamprophyre association (concentrically zoned intrusion); Magma series/sedimentary package/metamorphic group: alkaline; Depositional setting: continental; Metamorphic grade: noneHost rock stratigraphy: | Africanda Intrusive Complex |
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Country rocks: |
(1) granitoid rocks; (Archean gneissic complex); Country rock name: Archean gneiss; Metamorphic grade: amphibolite |
Metallogenic signatures: |
Fe-Ti-P-Zr |
Alteration signatures: |
carbonation: perovskite and phlogopite; What was altered: earlier crystallized olivinite phyllitization: phlogopite; What was altered: earlier crystallized olivinite |
Mineralogy: |
(gangue): olivine, pyroxene, calcite (mineralization): titanomagnetite, perovskite, apatite, phlogopite |
Deposit shape: |
pipe-like |
References: |
Anonymous, 1977 |
Union of Soviet Socialist Republics |
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 (Lists and Tables), Edited by 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 II, 386 p, p. 218 - 283 |
Zitzmann, A., 1977 |
The Iron Ore Deposits of the Western U. S. S. R. |
Section The Iron Ore Deposits of Europe and Adjacent Areas, 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. 325 - 391 |
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