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Sedimentology and geochemistry of the 2.93 Ga Basinal Facies of the Red Lake carbonate platform
The Mesoarchean Red Lake carbonate platform is the oldest (~2.93 Ga) known carbonate platform on Earth. It is comprised of a variety of chemical sedimentary rocks including: limestone, dolostone, chert, oxide iron formation, ...
Paleoproterozoic snowball earth? Sedimentology and geochemistry of a Huronian glacial cycle
The study discusses new sedimentological and geochemical results for the Paleoproterozoic Bruce glacial cycle, which represents the second of three glacial cycles within the Huronian Supergroup. This Bruce glacial event ...