Icla Formation

Geology

Members: unnamed (22), Lower (1), Lower Shale (2), Niagara (1), Upper Shale (3)

Lithologies: not reported (2), mudstone (2), "shale" (16), siltstone (5), sandstone (13)

Paleoenvironments: marine indet. (26), offshore indet. (2), coastal indet. (1)

Age range: base of the Emsian to the top of the Bridgerian or 410.62000 to 46.20000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Pragian - Eifelian413.02 - 387.95Bolivia (216904)
Emsian410.62 - 393.47Bolivia (139938 139939)
Emsian410.62 - 393.47Bolivia (Santa Cruz) (36085 36086 36087 36088 36089 36090 36091 36092 36093 36094 36095)
Emsian410.62 - 393.47Bolivia (Chuquisaca) (36040 36041 36042 36043 36049 36050 36097 36098 36099 36135)
Emsian410.62 - 393.47Bolivia (Cochabamba) (36072 36073 36075 36076)
Early/Lower Eifelian393.47 - 390.5Bolivia (238853)
Aptian - Albian121.4 - 100.5Libya (139439)
Bridgerian50.5 - 46.2USA (Wyoming) (16408)