Loreto Formation
Loreto Formation (Spanish: Formación Loreto) is a sedimentary formation of Late Eocene age in the southernmost Magallanes Basin. It overlies the Leña Dura Formation and the contact with an overlying formation is not observed. From 2013 to 2020 its coals were mined in Invierno mine, Riesco Island.
| Loreto Formation | |
|---|---|
| Stratigraphic range: Priabonian (Divisaderan) | |
| Type | Geological formation |
| Underlies | not observed |
| Overlies | Leña Dura Formation |
| Lithology | |
| Primary | Sandstone |
| Other | Conglomerate, coal |
| Location | |
| Coordinates | 53.1°S 71.1°W |
| Approximate paleocoordinates | 55.3°S 61.4°W |
| Region | Magallanes y la Antártica Chilena Region |
| Country | Chile |
| Extent | Magallanes Basin |
| Type section | |
| Named by | Hoffstetter et al. |
| Year defined | 1957 |
Loreto Formation (Chile) | |
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