EARTH’S OLDEST PRESERVED K-BENTONITES IN THE CA. 2.1 Ga FRANCEVILLIAN BASIN, GABON

Article English OPEN
Bankole, Olabode M.; El Albani, Abderrazzak; Meunier, Alain; Pambo, Florent; Paquette, Jean-Louis; Bekker, Andrey;
(2018)
  • Publisher: American Journal of Science
  • Related identifiers: doi: 10.2475/04.2018.02
  • Subject: [SDU.STU]Sciences of the Universe [physics]/Earth Sciences | U-Pb zircon geochronology | Paleoproterozoic | [SDU.STU.GC]Sciences of the Universe [physics]/Earth Sciences/Geochemistry | [ SDU.STU.GC ] Sciences of the Universe [physics]/Earth Sciences/Geochemistry | Bulk rock geochemistry | Francevillian Basin | Bentonites | clay mineralogy | Gabon

International audience; Bentonites are the alteration product of volcanic tephra typicallypreserved in low-energy, sedimentary environments below baseline. Although volcanictuffs occur throughout the Earth’s history, bentonites older than ca. 1.5 Ga have notbeen describ... View more
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