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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 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 basin has a 2-kilometre (1.25-mile) thick sedimentary fill, which is about half the thickness of more northern foreland basins in Peru. [2] The oldest known sediments are the Eocene sandstones of the Caballas Formation, while the youngest deposits, the fossiliferous Pisco Formation, date to the Early Pleistocene.
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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 ...
The Ocucaje Desert is also notable for its archaeological sites, particularly those associated with the Paracas and Nazca cultures. The Paracas civilization was a pre-Columbian society which thrived in the region from around 800 BCE to 100 BCE. The desert's dry conditions have preserved Paracas textiles, pottery, and other artifacts.
The Nazca lines (/ ˈ n ɑː z k ə /, /-k ɑː / [1]) are a group of over 700 geoglyphs made in the soil of the Nazca Desert in southern Peru. [2] [3] They were created between 500 BC and 500 AD by people making depressions or shallow incisions in the desert floor, removing pebbles and leaving different-colored dirt exposed. [4]
Geological formations consist of rock that was deposited during a specific period of time. They usually extend for large areas, and sometimes there are different important sites in which the same formation is exposed. Such sites may have separate entries if they are considered to be more notable than the formation as a whole.