The Esmeraldas Formation is an Early Pliocene (Montehermosan to Chapadmalalan in the SALMA classification) geologic formation of the in northwestern Ecuador.
The Esmeraldas Formation is an Early Pliocene (Montehermosan to Chapadmalalan in the SALMA classification) geologic formation of the in northwestern Ecuador. (en)
The Esmeraldas Formation is an Early Pliocene (Montehermosan to Chapadmalalan in the SALMA classification) geologic formation of the in northwestern Ecuador. (en)