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A contribution to the knowledge of corumbatai permian pelites geotechnical behaviour, Brazil
(2016-01-01)
Some sedimentary rocks may reveal compromising behavior in civil works,owing their peculiar response to weathering phenomena, related with their structural pattern associated to own physical genesis characteristics. The ...
Some fusulinids from the Copacabana Group at Ambo, Peru, South America
(Geology Laboratory, faculty of Science, Chiba UniversityJP, 1974)
[ENG] The five fusulinid species described in this article were collected by the writers from the Copacabana group at Ambo, Ambo Province, Huanuco Department, Peru. In 1946, Dunbar and Newell have proposed the Copacabana ...
Extension of the Late Triassic salt into western Peru: lmplications for Andean tectonics and mineral exploration
(Instituto de Ingenieros de Minas del PerúPE, 2019)
A better understanding of large- and small-scale Andean geological features and timeline can obviously make a difference in exploration. Knowledge of the Andean evolution continues however to be plagued by geological myths ...
Provenance of the middle Jurassic-Cretaceous sedimentary rocks of the Arequipas basin (South Peru) and implication for the geodynamic evolution of the Central Andes
(8th International Symposium on Andean Geodynamics (ISAG)EC, 2019-09)
The southern Peruvian margin is considered a type locality for long-lived, active continental margin and has been the site of almost continuous subduction since at least the Cambrian. Following Triassic rifting, the southern ...
The Late Paleozoic - Early Mesozoic Chocolate Formation of southern Peru: new data and interpretations
(IRD ÉditionsFRA, 2005)
The Chocolate Formation is exposed in southern Peru between the cities of Nazca and Tacna, mostly in the Pacifie slopes of the Cordillera Occidental and along the coast. This lithostratigraphic unit was initially described ...