The Colhuehuapian age is a period of
geologic time (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 made up of two stages: the Aquitanian and Burdigalian stages.
The sub-epoch lasted from 23.03 ± 0.05 Ma to 15.97 ± 0.05 Ma (million years ago). It was prece ...
epoch of the
Neogene
The Neogene ( ), informally Upper Tertiary or Late Tertiary, 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 Mya. ...
, 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
The Sarmiento Formation (Spanish: ''Formación Sarmiento''), in older literature described as the Casamayor Formation, is a geological formation in Chubut Province, Argentina, in central Patagonia, which spans around 30 million years from the mid- ...
in the Golfo San Jorge Basin
The Golfo San Jorge Basin ( es, Cuenca del Golfo San Jorge) is a hydrocarbon-rich sedimentary basin located in eastern Patagonia, Argentina. The basin covers the entire San Jorge Gulf and an inland area west of it, having one half located in San ...
, Patagonia
Patagonia () refers to a geographical region that encompasses the southern end of South America, governed by Argentina and Chile. The region comprises the southern section of the Andes Mountains with lakes, fjords, temperate rainforests, and gl ...
, Argentina
Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...
.
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