Upper Sandstone Member

Geology

Group: Upper Yezo

Formation: Osoushinai

Lithologies: sandstone (1)

Paleoenvironments: marine indet. (1)

Age range: base of the Aptian to the top of the Early/Lower Campanian or 125.00000 to 70.60000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Aptian125.0 - 113.0Canada (Yukon) (55970)
Late/Upper Cenomanian99.6 - 93.5USA (Arizona) (53488 53489 53491 53492 53503 53505 53509 54117 54118 54155 55263 55633 55566 55631 55632 55634 55635 230790)
Middle Coniacian89.3 - 85.8USA (Arizona) (28001)
Early/Lower Campanian83.5 - 70.6Japan (Hokkaido) (152095)
Maastrichtian72.1 - 66.0India (Madhya Pradesh) (24879)