Neoproterozoic banded iron formations

@article{Ilyin2009NeoproterozoicBI,
  title={Neoproterozoic banded iron formations},
  author={A. V. Ilyin},
  journal={Lithology and Mineral Resources},
  year={2009},
  volume={44},
  pages={78-86}
}
  • A. V. Ilyin
  • Published 2009
  • Geology
  • Lithology and Mineral Resources
  • Two epochs of the formation of ferruginous quartzites—Archean-Paleoproterozoic (3.2–1.8 Ga) and Neoproterozoic (0.85–0.7 Ga)—are distinguished in the Precambrian. They are incommensurable in scale: the Paleoproterozoic Kursk Group of the Kursk Magnetic Anomaly (KMA) extends over 1500 km, whereas the extension of Neoproterozoic banded iron formations (BIF) beds does not exceed a few tens of kilometers. Their thickness is up to 200 m and not more than 10 m, respectively. The oldest BIFs are… CONTINUE READING
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