Chorrera Formation

Chorrera Formation
Stratigraphic range: Pliocene
(Montehermosan-Chapadmalalan)
~
TypeGeological formation
UnderliesSubachoque Formation
OverliesGuadalupe Gp.
Thicknessup to 40 m (130 ft)
Lithology
PrimaryConglomerate
Location
Coordinates4°55′30.0″N 74°06′22.6″W / 4.925000°N 74.106278°W / 4.925000; -74.106278
RegionBogotá savanna, Altiplano Cundiboyacense
Eastern Ranges, Andes
CountryColombia
Type section
Named forLa Chorrera waterfall
Named byHelmens & Hammen
LocationRío Frío, Subachoque/Tabio
Year defined1995
Coordinates4°55′30.0″N 74°06′22.6″W / 4.925000°N 74.106278°W / 4.925000; -74.106278
RegionCundinamarca
CountryColombia

The Chorrera Formation (Spanish: Formación Chorrera, N2ch) is a geological formation of the Bogotá savanna, Altiplano Cundiboyacense, Eastern Ranges of the Colombian Andes. The formation consists of coarse to very coarse conglomerates. The Chorrera Formation dates to the Neogene period; Pliocene epoch (Montehermosan to Chapadmalalan in the SALMA classification), and has a maximum thickness of 40 metres (130 ft).