Ituzaingó Formation
The Ituzaingó Formation , in older literature also described as Entre Ríos or Entrerriana Formation , is an extensive geological formation of Late Miocene ( Tortonian , or Huayquerian in the SALMA classification ) age in the Paraná Basin of the Corrientes , Santa Fe and Entre Ríos Provinces in Mesopotamia , northeastern Argentina . 
<triplet> Ituzaingó Formation <subj> geological formation <obj> instance of <triplet> Corrientes <subj> Argentina <obj> located in the administrative territorial entity <triplet> Santa Fe <subj> Argentina <obj> located in the administrative territorial entity <triplet> Mesopotamia <subj> Argentina <obj> country <triplet> Argentina <subj> Corrientes <obj> contains administrative territorial entity <subj> Santa Fe <obj> contains administrative territorial entity <subj> Entre Ríos Province <obj> contains administrative territorial entity