Las Chacras Formation

Geology

Members: Lower (5)

Lithologies: mudstone (3), conglomerate (2)

Paleoenvironments: fluvial indet. (2), "floodplain" (3)

Age range: base of the Bartonian to the top of the Priabonian or 41.30000 to 33.90000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Bartonian - Priabonian41.3 - 33.9Argentina (Río Negro) (225620 225621 225622 225623 225624)