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E. Robert and L. G. Bulot. 2005. Albian ammonite faunas from Peru: The genus Neodeshaesites Casey, 1964. Journal of Paleontology 79(3):611-618; M. R. Sandy. 1994. Triassic-Jurassic articulate brachiopods from the Pucara Group, central Peru, and description of the brachidial net in the spiriferid Spondylospira. Palaeontographica Abteilung A 233: ...
The Pebas Formation is a lithostratigraphic unit of Miocene age, found in western Amazonia.The formation extends over 1,000,000 square kilometres (390,000 sq mi), including parts of Brazil, Peru, Ecuador and Colombia. [1]
The Pisco Formation is a geologic formation located in Peru, on the southern coastal desert of Ica and Arequipa.The approximately 640 metres (2,100 ft) thick formation was deposited in the Pisco Basin, spanning an age from the Late Miocene up to the Early Pliocene, roughly from 9.6 to 4.5 Ma.
The oldest rocks in Peru date to the Precambrian and are more than two billion years old. Along the southern coast, granulite and charnockite shows reworking by an ancient orogeny mountain building event. Situated close to the Peru-Chile Trench, these rocks have anomalously high strontium isotope ratios, which suggest recent calc-alkaline ...
Pages in category "Stratigraphy of Peru" This category contains only the following page. This list may not reflect recent changes. U. Ucayali Peneplain
This category contains articles related to geologic formations of Peru. ... List of fossiliferous stratigraphic units in Peru; C. Casma Group; Chota Formation;
Fossiliferous stratigraphic units of South America (39 C, 173 P) Geologic formations of South America (28 C, 1 P) ... Stratigraphy of Peru (1 C, 1 P) U.
The Chota Formation is an Early Campanian to Late Eocene geologic formation of the Cajamarca and western Amazonas Region in northern Peru. Dinosaur remains are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus ("Baguasaurus"). [1] The formation was formerly named Bagua ...