Caleta Herradura Formation
Geological formation in Chile / From Wikipedia, the free encyclopedia
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Not to be confused with La Herradura Formation.
Caleta Herradura Formation (Spanish: Formación Caleta Herradura) is a geologic formation of Late Miocene (Montehermosan) age, cropping out on the Mejillones Peninsula in northern Chile. The erosion at the Coastal Cliff of northern Chile have created particularly good exposures of Caleta Herradura Formation. The formation deposited in a half graben within Mejillones Peninsula. The formation rests nonconformably on the Jorgino Formation.[1]
Quick Facts Type, Underlies ...
Caleta Herradura Formation | |
---|---|
Stratigraphic range: Late Miocene-Pliocene (Montehermosan) | |
Type | Geological formation |
Underlies | La Portada Formation |
Overlies | Jorgino Formation |
Thickness | 380 m (1,250 ft) |
Lithology | |
Primary | Sandstone, sandy mudstone, breccia, conglomerate |
Other | Diatomite |
Location | |
Coordinates | 23.4°S 70.5°W / -23.4; -70.5 |
Approximate paleocoordinates | 23.5°S 69.8°W / -23.5; -69.8 |
Region | Antofagasta Region |
Country | Chile |
Extent | Mejillones Peninsula |
Type section | |
Named for | Caleta Herradura Chica |
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