The Itaboraian () age is a period within the
Early Eocene
In the geologic timescale the Ypresian is the oldest age (geology), age or lowest stage (stratigraphy), stratigraphic stage of the Eocene. It spans the time between , is preceded by the Thanetian Age (part of the Paleocene) and is followed by th ...
geologic time
The geologic time scale or geological time scale (GTS) is a representation of time based on the rock record of Earth. It is a system of chronological dating that uses chronostratigraphy (the process of relating strata to time) and geochronolo ...
(53.0–50.0
Ma) epoch of the
Paleogene
The Paleogene Period ( ; also spelled Palaeogene or Palæogene) is a geologic period and system that spans 43 million years from the end of the Cretaceous Period Ma (million years ago) to the beginning of the Neogene Period Ma. It is the fir ...
, used more specifically with
South American land mammal ages (SALMA). It follows the
Riochican and precedes the
Casamayoran age.
Paleo Database: Itaboraian
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Etymology
This age is named after the Itaboraí Formation in the Itaboraí Basin in Itaboraí, a Greater Rio municipality in the state of Rio de Janeiro
Rio de Janeiro, or simply Rio, is the capital of the Rio de Janeiro (state), state of Rio de Janeiro. It is the List of cities in Brazil by population, second-most-populous city in Brazil (after São Paulo) and the Largest cities in the America ...
in Brazil
Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...
not very far away from Niterói.
Formations
Fossils
Correlations
References
Bibliography
;Itaboraí Formation
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;Bogotá Formation
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;Cerrejón Formation
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;Chota Formation
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;Las Flores Formation
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;Koluel Kaike Formation
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;Maíz Gordo Formation
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;Mogollón Formation
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;Muñani Formation
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;Peñas Coloradas Formation
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;Río Loro Formation
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{{SALMA
Paleocene South America
Paleogene Brazil