Chambira Formation

Geology

Members: unnamed (2), base (3), top (1)

Lithologies: not reported (5), claystone (1), conglomerate (2)

Paleoenvironments: fluvial indet. (3), "channel" (1), "floodplain" (2), fluvial-lacustrine indet. (1)

Age range: base of the Late/Upper Oligocene to the top of the Early/Lower Miocene or 28.40000 to 15.97000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Late/Upper Oligocene28.4 - 23.03Peru (Loreto) (176130 176147)
Late/Upper Oligocene28.4 - 23.03Peru (176126 176148 176155)
Early/Lower Miocene23.03 - 15.97Peru (176159)
Early/Lower Miocene - Middle Miocene23.03 - 11.608Peru (176153)