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Ferride geochemistry of Swedish precambrian iron ores

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Abstract

Chemical analysis for major and trace elements have been performed on 30 Swedish Precambrian iron ores and on some from Iran and Chile. The Swedish ores consist of apatite iron ores, quartz-banded iron ores, skarn and limestone iron ores from the two main ore districts of Sweden, the Bergslagen and the Norrbotten province. Some Swedish titaniferous iron ores were also included in the investigation. The trace element data show that the Swedish ores can be subdivided into two major groups: 1. orthomagmatic and exhalative, 2. sedimentary. Within group 1 the titaniferous iron ores are distinguished by their high Ti-contents. From the ferride contents of the Kiruna apatite iron ores, the ores are considered to be mobilization products of skarn iron ores from the Norbotten province.

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Authors and Affiliations

  1. Department of Economic Geology, University of Lule», Sweden

    B. E. H. Loberg

  2. Statoil, Stavanger, Norway

    A.-K. Horndahl

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  1. B. E. H. Loberg
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  2. A.-K. Horndahl
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Loberg, B.E.H., Horndahl, AK. Ferride geochemistry of Swedish precambrian iron ores. Mineral. Deposita 18, 487–504 (1983). https://doi.org/10.1007/BF00204493

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