Age of the Guatemala breccias around the Cretaceous-Tertiary boundary: relationships with the asteroid impact on the Yucatan

Autor: Pierre Debrabant, Edwige Masure, Jean-Pierre Bellier, Eric Fourcade, Silvia Gardin, Robert Rocchia, Wilmer Toni Pop, Eric Robin

Publikováno v: Comptes Rendus de l'Académie des Sciences-Series IIA-Earth and Planetary Science
Comptes Rendus de l'Académie des Sciences-Series IIA-Earth and Planetary Science, Elsevier, 1998, 327 (1), pp.47-53. ⟨10.1016/S1251-8050(98)80017-7⟩
Comptes Rendus de l'Académie des Sciences-Series IIA-Earth and Planetary Science, 1998, 327 (1), pp.47-53. ⟨10.1016/S1251-8050(98)80017-7⟩

The upper part of the near K/T boundary limestone breccia deposits which crop out in Guatemala near 16 °N contains impact remains: altered glass spherules (tektites) and elevated concentrations of iridium. This suggests that these deposits could res

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https://hal.archives-ouvertes.fr/hal-03119625