Hekou Formation

Geology

Group: Guifeng

Members: unnamed (3)

Lithologies: not reported (2), sandstone (1)

Paleoenvironments: fluvial indet. (1), alluvial fan (2)

Age range: base of the Barremian to the top of the Maastrichtian or 129.40000 to 66.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Late/Upper Barremian - Aptian130.0 - 113.0China (Gansu) (83513 214751)
Barremian - Aptian129.4 - 113.0China (Gansu) (59255 59285 59286 84711 91464 154181 155994 219563 222584 224193 224350 224356 224375)
Barremian - Aptian129.4 - 113.0China (Jianxi) (224369)
Maastrichtian72.1 - 66.0China (Jiangxi) (171312 182609 220036 224481 226995 228656)
Maastrichtian72.1 - 66.0China (Zhanggong) (232699)
Maastrichtian72.1 - 66.0China (Gansu) (232698)