Ipururo Formation

Geology

Group: Contamana

Members: unnamed (16), lower (1)

Lithologies: not reported (5), claystone (1), mudstone (6), siltstone (1), sandstone (6), conglomerate (5)

Paleoenvironments: terrestrial indet. (1), shallow subtidal indet. (6), foreshore (3), transition zone/lower shoreface (1), fluvial indet. (3), "channel" (1), wet floodplain (1), lacustrine - large (1)

Age range: base of the Laventan to the top of the Chasicoan or 13.80000 to 8.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Langhian - Serravallian15.98 - 11.63Peru (234348)
Serravallian13.82 - 11.63Peru (San Martin) (230802)
Laventan13.8 - 11.0Peru (Ucayali) (107993 144792 144793 144794 144950 163839 163840 163841 163842 163843 163844)
Late/Upper Miocene11.63 - 5.333Peru (176146)
Late/Upper Miocene - Pliocene11.63 - 2.58Peru (176132 176145)
Chasicoan10.0 - 8.0Peru (Madre de Dios) (144515)