Progreso Formation

Geology

Members: unnamed (19)

Lithologies: "siliciclastic" (1), sandstone (18)

Paleoenvironments: coastal indet. (19)

Age range: base of the Early/Lower Miocene to the top of the Middle Miocene or 23.03000 to 11.60800 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Early/Lower Miocene23.03 - 15.97Ecuador (Guayas) (60736 60737 61053 61054 61055 61056 61057 61058 61059 61060 61061 61062 61063 61064 61065 61066 61067 61068)
Middle Miocene15.97 - 11.608Ecuador (Guayas) (96516)