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As part of the International Continental Scientific Drilling Program's Fennoscandian Arctic Russia–Drilling Early Earth Project (ICDP FAR–DEEP), Palaeoproterozoic diamictic and associated rocks were targeted and recovered in Hole 3A on the Kola Peninsula of NW Russia. In addition to the diamictites, carbonate sedimentary rocks and volcanic ash layers (all metamorphosed to greenschist grade) were encountered...
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