Gurvan-Eren Formation

Geology

Members: unnamed (39)

Lithologies: mudstone (16), "shale" (22), siltstone (1), sandstone (23)

Paleoenvironments: lacustrine - large (27), lacustrine indet. (12)

Age range: Aptian or 125.00000 to 113.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Aptian125.0 - 113.0Mongolia (Kobdo aimak) (104054 136018 136024 136025 136027 136028 136029 136030 136054 136055 136056)
Aptian125.0 - 113.0Mongolia (Gobi-Altai aimak) (104055 136092)
Aptian125.0 - 113.0Mongolia (127627 136715 151560)
Aptian125.0 - 113.0Mongolia (Govi-Altai) (122332 136020 136021 136022 136032 136031 136034 136035 136036 136038 136039 136041 136042 136043 136044 136046 136047 136048 136050 136051 136091 136202 136203)