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 JurassicNeocomian
TypeGeologic formation
Unit ofAgua Salada Subvolcanic Complex
Lithology
PrimaryAndesite
Location
Coordinates29°43′19″S 71°14′9″W / 29.72194°S 71.23583°W / -29.72194; -71.23583
RegionCoquimbo Region
CountryChile
La Liga Formation is located in Chile
La Liga Formation
La Liga Formation (Chile)

References

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  1. ^ 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.