La Liga Formation (Spanish: Formación La Liga) is a geologic formation Late Jurassic and Early Cretaceous age cropping out in Coquimbo Region, Chile.[1] Rocks of the formation are andesites.[1] Locally the rocks of the formation present epidote alteration.[1] The iron ores of El Romeral mine are emplaced on La Liga Formation.[1]
| La Liga Formation | |
|---|---|
| Stratigraphic range: Late Jurassic–Neocomian | |
| Type | Geologic formation |
| Unit of | Agua Salada Subvolcanic Complex |
| Lithology | |
| Primary | Andesite |
| Location | |
| Coordinates | 29°43′19″S 71°14′9″W / 29.72194°S 71.23583°W |
| Region | Coquimbo Region |
| Country | Chile |
  La Liga Formation (Chile) | |
References
edit- ^ a b c d Rojas, Paula A.; Barra, Fernando; Reich, Martin; Deditius, Artur; Simon, Adam; Uribe, Francisco; Romero, Rurik; Rojo, Mario (2018). "A genetic link between magnetite mineralization and diorite intrusion at the El Romeral iron oxide-apatite deposit, northern Chile". Mineralium Deposita. 53 (7): 947–966. Bibcode:2018MinDe..53..947R. doi:10.1007/s00126-017-0777-x.