Iron oxide-copper-gold deposits in northern Finland

被引：0
|
作者：
Niiranen, T [1 ]
Eilu, P [1 ]
机构：
[1] Univ Helsinki, Dept Geol, FIN-00014 Helsinki, Finland
来源：
MINERAL EXPLORATION AND SUSTAINABLE DEVELOPMENT, VOLS 1 AND 2 | 2003年
关键词：
proterozoic; iron; copper; gold; alteration; geochemistry; Lapland; Finland;
D O I：
暂无
中图分类号：
P57 [矿物学];
学科分类号：
070901 ;
摘要：
Iron oxide-copper-gold deposits (IOCG) occur in several areas in northern Finland. The most probable members of the IOCG-type are the magnetite-hosted Cu-Au deposits in Kolari, in the westernmost part of the Central Lapland greenstone belt, and the Vahajoki deposit in Tervola, in the Perapohja schist belt. In the Misi area, in the easternmost part of the Perapohja schist belt, several features suggest IOCG-style of mineralisation but, so far, only uneconomic Au and Cu grades have been detected. The Au-Co-Cu+/-U occurrences in the Kuusamo schist belt, NE Finland, may represent a transitional type between orogenic gold and IOCG mineralisation.
引用
收藏
页码：1091 / 1094
页数：4
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