Hiló Formation
Geological formation in the Colombian Andes / From Wikipedia, the free encyclopedia
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The Hiló Formation (Spanish: Formación Hiló, Kih) is a geological formation of the Altiplano Cundiboyacense, Eastern Ranges of the Colombian Andes. The predominantly shale formation dates to the Middle Cretaceous period; Late Albian to Early Cenomanian epochs and has a measured thickness at its type section of 470 metres (1,540 ft). The fossiliferous formation has provided a great abundance of ammonites and other marine species.
Quick Facts Type, Unit of ...
Hiló Formation | |
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Stratigraphic range: Late Albian-Early Cenomanian ~102–98 Ma | |
Type | Geological formation |
Unit of | Villeta Group |
Underlies | Simijaca Formation |
Overlies | Capotes Formation |
Thickness | more than 470 metres (1,540 ft) |
Lithology | |
Primary | Shale |
Other | Sandstone, limestone, siltstone |
Location | |
Coordinates | 4°47′28″N 74°30′49″W |
Region | Altiplano Cundiboyacense Eastern Ranges, Andes |
Country | Colombia |
Type section | |
Named for | Caserío Boquerón de Hiló |
Named by | Hubach |
Location | Apulo-Anapoima |
Year defined | 1931 |
Coordinates | 4°47′28″N 74°30′49″W |
Approximate paleocoordinates | 0.6°N 45.3°W / 0.6; -45.3 |
Region | Cundinamarca, Tolima |
Country | Colombia |
Thickness at type section | 470 m (1,540 ft) |
Paleogeography of Northern South America 105 Ma, by Ron Blakey |
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