Bostobe Formation

Geology

Members: unnamed (22)

Lithologies: not reported (7), claystone (11), sandstone (13)

Paleoenvironments: terrestrial indet. (16), estuary/bay (1), fluvial-lacustrine indet. (4), fluvial-deltaic indet. (1)

Age range: base of the Santonian to the top of the Early/Lower Campanian or 86.30000 to 70.60000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Santonian - Early/Lower Campanian86.3 - 70.6Kazakhstan (Qyzylorda) (53134 53135 53136 53893 59699 59700 59701 59702 59703 64100 64688 68826 73449 73446 73447 73448 84558 127817 135527 164672)
Santonian - Early/Lower Campanian86.3 - 70.6Kazakhstan (Qaraghandy) (58756 84556)