Gram Formation

Geology

Members: unnamed (4)

Lithologies: not reported (3), "siliciclastic" (3), claystone (4), mudstone (2), sandstone (1), "limestone" (2)

Paleoenvironments: marine indet. (11), terrestrial indet. (2), carbonate indet. (1), shallow subtidal indet. (1), coastal indet. (1)

Age range: base of the Early/Lower Frasnian to the top of the Tortonian or 383.70000 to 7.24600 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Early/Lower Frasnian383.7 - 382.4Pakistan (Chitral) (223333)
Late/Upper Frasnian379.5 - 376.1Pakistan (Chitral) (223337)
Chadian346.7 - 340.0United Kingdom (England) (233514)
Sakmarian293.52 - 290.1New Zealand (120421)
Wuchiapingian259.9 - 254.17Russian Federation (122565 124608)
Late/Upper Kimmeridgian155.7 - 150.8Tanzania (36310)
Maastrichtian72.1 - 66.0Brazil (Pernambuco) (231321 231322 231323)
Maastrichtian - Late/Upper Maastrichtian72.1 - 66.0Brazil (Paraíba) (88070)
Thanetian59.2 - 56.0USA (Alabama) (80421)
Tortonian11.62 - 7.246Denmark (75061 98312)
Tortonian11.62 - 7.246Denmark (Jutland) (34521 165247)