All Articles tagged Gabon

• Science Paper
  April 01, 2018 EDT
  Earth’s Oldest Preserved K-bentonites in the ca. 2.1 Ga Francevillian Basin, Gabon
  Olabode M. BankoleAbderrazak El AlbaniAlain MeunierFlorent PamboJean-Louis PaquetteAndrey Bekker

  Bentonites are the alteration product of volcanic tephra typically preserved in low-energy, sedimentary environments below baseline. Although volcanic tuffs occur throughout the Earth9s history, bentonites older than ca. 1.5 Ga...

  Abstract