IOCG and Porphyry-Cu deposits in Northern Finland ... - IAGS 2011

Table 1. Size and grade data of the selected deposits in Kolari-Pajala district. Table modified after Eilu et al., (in prep.).
Subarea,
Occurrence Tonnage (Mt) Mined (Mt) Fe % Cu % Aug/t Main ore minerals 1 Reference
Pajala
Palotieva 8.7 24.2 0.05 Mgt, Py, Po, Cpy Lindroos et al.
(1972), Baker &
Lepley (2010)
Ruutijärvi 8.3 40.9 Mgt Lindroos
& Johansson
(1972)
Stora Sahavaara 145 43.1 0.08 Mgt, Cpy, Py, Po Frietsch (1997),
Northland (2007)
Södra Sahavaara 19.6 32.1 0.05 Mgt, Py, Po Lindroos (1972)
Suksivuoma 3.5 43.5 Mgt Frietsch (1997)
Tapuli 116.1 26.1 Mgt, Py, Po Lindroos et al.
(1972), Baker &
Lepley (2010)
Kolari
Hannukainen 202.5 4.56 33.1 0.16 0.05 Mgt, Cpy, Py, Po Hiltunen (1982),
Northland (2010a)
Kuervitikko 45 22.9 0.16 0.17 Mgt, Cpy, Py, Po Northland (2010a)
Rautuoja 1.9 36.7 0.19 0.34 Mgt, Cpy, Py Korkalo (2006)
Rautuvaara Mine 13.3 11.6 2 46.8 0.2 Mgt, Cpy, Py, Po Hiltunen (1982)
Rautuvaara SW 4.5 42.7 0.15 Mgt, Cpy, Py, Po Hiltunen (1982)
Rautuvaara-Cu 2.8 21.8 0.48 0.2 Mgt, Cpy, Py, Po Hiltunen (1982),
Niiranen et al.(2007)
Mannakorpi 20 25 Mgt, Bary, Py, Po, Cpy Hiltunen (1982)
Sivakkalehto 0.4 3 37 Mgt, Po, Py, Cpy Hugg & Heiskanen
(1983)
Taporova 7 28 Mgt, Hem, Bary Hiltunen (1982)
1 Bary = baryte, Cpy = chalcopyrite, Mgt = magnetite, Hem = haematite, Po = pyrrhotite, Py = pyrite.
2 includes the production from both Rautuvaara and SW Rautuvaara deposits
3 Massive ore of 0.4 Mt plus disseminated magnetite mineralisation of about 200 Mt at 20−25 % Fe (Hugg & Heiskanen 1983).
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