Illescas Batholith is a geological complex located in Uruguay made up of various plutons including rapakivi granite and quartz syenite. The batholith is of Late Paleoproterozoic age. [1] [2] The batholith originated and was emplaced in an anorogenic tectonic setting during a period of extensional tectonics. [2] The batholith intrudes the Valentines Granulitic Complex of Nico Perez Terrane. [2] The Florida dyke swarm is related to the Illescas Batholith. [3]