Andrey Bekker, John F Slack, Noah Planavsky, Bryan Krapež, Axel Hofmann, Kurt O Konhauser, Olivier J Rouxel

2010/5/1

Economic Geology

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Economic Geology

Iron formations are economically important sedimentary rocks that are most common in
Precambrian sedimentary successions. Although many aspects of their origin remain
unresolved, it is widely accepted that secular changes in the style of their deposition are
linked to environmental and geochemical evolution of Earth. Two types of Precambrian iron
formations have been recognized with respect to their depositional setting. Algoma-type iron
formations are interlayered with or stratigraphically linked to submarine-emplaced ...