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Mise en évidence d'une tectonique compressive Éocène-Oligocène dans l'Ouest de la Cordillère orientale de Colombie, d'après la structure en duplex des gisements d'émeraude de Muzo et de Coscuez (Evidence for an Eocene-Oligocene compressive tectonics in the western part of Eastern Cordillera of Colombia, from the duplex structure of the Muzo and Coscuez emerald deposits)

Abstract : The structures of the emerald deposits of the western part of Eastern Cordillera of Colombia (thrusts, ramps, duplexes, tear faults) have been formed by three deformational events forming a single thrust-tectonics phase, synchronous with the emerald-forming hydrothermalism. As this hydrothermalism is Late Eocene-Early Oligocene in age, it is also the age of the thrust tectonics.
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Bernard Laumonier, Yannick Branquet, Benoit Lopès, Alain Cheilletz, Gaston Giuliani, et al.. Mise en évidence d'une tectonique compressive Éocène-Oligocène dans l'Ouest de la Cordillère orientale de Colombie, d'après la structure en duplex des gisements d'émeraude de Muzo et de Coscuez (Evidence for an Eocene-Oligocene compressive tectonics in the western part of Eastern Cordillera of Colombia, from the duplex structure of the Muzo and Coscuez emerald deposits). Comptes rendus de l’Académie des sciences. Série IIa, Sciences de la terre et des planètes, Elsevier, 1996, 323, pp.705-712. ⟨hal-00122519⟩

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