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How old is the Eye of Africa? A polyphase history for the igneous Richat Structure, Mauritania
El Houssein Abdeina, Fred Jourdan, Gilles Chazot et al., 2024. Lithos 482-483: 107698.
First plagioclase 40Ar/39Ar work and new geochemistry on the Richat gabbros. No robust age was obtained, but modelling places them at 230–200 Ma, matching the Central Atlantic Magmatic Province, later domed by the 99 Ma alkaline intrusion.
What it's used for here
Cited for the first 40Ar/39Ar work on the gabbros, which models them as Central Atlantic Magmatic Province sills of 230–200 Ma domed about 100 million years later; no robust age was obtained.
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doi.org · fetched 28 Oct 2026
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Cite it
Abdeina, E. H., Jourdan, F., Chazot, G., Bertrand, H., & Le Gall, B. (2024). How old is the Eye of Africa? A polyphase history for the igneous Richat Structure, Mauritania. Lithos, 482-483, 107698. https://doi.org/10.1016/j.lithos.2024.107698
@article{abdeina2024how,
author = {Abdeina, El Houssein and Jourdan, Fred and Chazot, Gilles and Bertrand, Hervé and Le Gall, Bernard},
title = {How old is the Eye of Africa? A polyphase history for the igneous Richat Structure, Mauritania},
journal = {Lithos},
year = {2024},
volume = {482-483},
pages = {107698},
doi = {10.1016/j.lithos.2024.107698},
url = {https://doi.org/10.1016/j.lithos.2024.107698}
}TY - JOUR TI - How old is the Eye of Africa? A polyphase history for the igneous Richat Structure, Mauritania AU - Abdeina, El Houssein AU - Jourdan, Fred AU - Chazot, Gilles AU - Bertrand, Hervé AU - Le Gall, Bernard PY - 2024 JO - Lithos VL - 482-483 DO - 10.1016/j.lithos.2024.107698 UR - https://doi.org/10.1016/j.lithos.2024.107698 ER -
Abdeina, El Houssein et al.. “How old is the Eye of Africa? A polyphase history for the igneous Richat Structure, Mauritania.” Lithos 482-483 (2024): 107698. https://doi.org/10.1016/j.lithos.2024.107698.