Upper Yezo Group
Geology
Formations: unnamed (19), Haborogawa (1), Hobetsu Shale (1), Osoushinai (1), Regosawa (1), Upper Haborogawa (1), Urakawa (20)
Lithologies: not reported (3), claystone (20), mudstone (19), siltstone (1), sandstone (1), "limestone" (1)
Paleoenvironments: marine indet. (22), offshore (1), basinal (siliciclastic) (21)
Collections
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Coniacian | Japan (Teshio) | (40122) | |
Coniacian | Japan (Iburi) | (40313) | |
Coniacian | Japan | (39903 233827) | |
Coniacian | Japan (Hokkaido) | (96027 96028 96029 96030 96031 96032 96033) | |
Coniacian | Japan (Ishikari) | (39824) | |
Coniacian | Japan (Hidaka) | (40587) | |
Coniacian - Santonian | Japan (Hokkaido) | (91354) | |
Coniacian - Campanian | Japan | (40614) | |
Santonian | Japan | (39904) | |
Santonian | Japan (Teshio) | (40126) | |
Santonian | Japan (Ishikari) | (39825) | |
Santonian | Japan (Hokkaido) | (95788 96034 96035 96036 96037 96038 96039 96040 96041 96042) | |
Santonian | Japan (Hidaka) | (40588) | |
Santonian | Japan (Iburi) | (40314) | |
Santonian - Campanian | Japan (Teshio) | (40653 234037) | |
Late/Upper Santonian - Early/Lower Campanian | Japan (Hokkaido) | (115409) | |
Campanian | Japan | (39902) | |
Campanian | Japan (Ishikari) | (39826) | |
Campanian | Japan (Hokkaido) | (94128 94135 96043 96044 96045 96046) | |
Campanian | Japan (Hidaka) | (40589) | |
Campanian | Japan (Teshio) | (39821) | |
Early/Lower Campanian | Japan (Hokkaido) | (152095) |