The Colhuehuapian age is a period of
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 ...
(21.0–17.5
Ma) within the
Early Miocene
The Early Miocene (also known as Lower Miocene) is a sub-epoch of the Miocene epoch (geology), Epoch made up of two faunal stage, stages: the Aquitanian age, Aquitanian and Burdigalian stages.
The sub-epoch lasted from 23.03 ± 0.05 annum, Ma to ...
epoch of the
Neogene
The Neogene ( ,) is a geologic period and system that spans 20.45 million years from the end of the Paleogene Period million years ago ( Mya) to the beginning of the present Quaternary Period million years ago. It is the second period of th ...
, used more specifically within the
SALMA classification in South America. It follows the
Deseadan and precedes the
Santacrucian age.
Paleo Database: Colhuehuapian
/ref>
Etymology
The age is named after the Colhué Huapí Member of the Sarmiento Formation in the Golfo San Jorge Basin, Patagonia, Argentina
Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ...
.
Formations
Fossils
References
Bibliography
;Colhué Huapí Member
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;Abanico Formation
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;Biblián Formation
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;Castillo Formation
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;Cerro Bandera Formation
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;Chichinales Formation
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;Chilcatay Formation
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;Cura-Mallín Group
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;Gaiman Formation
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;Gran Bajo del Gualicho Formation
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;Monte León Formation
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;Montera Formation
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;Pirabas Formation
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;Río Jeinemení Formation
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;Uitpa Formation
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{{SALMA
Miocene South America
Neogene Argentina
Mapuche language