Cementstone Group

Age range: base of the Ivorian to the top of the Brigantian or 353.70000 to 330.30000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Tournaisian358.86 - 346.7United Kingdom (Scotland) (10657 21324 23829 23830 23832 23877 23878 23880 23881 23882 23883 23884 34490 34491 34492 34493 229960 230372)
Tournaisian358.86 - 346.7United Kingdom (England) (21312)
Tournaisian - Visean358.86 - 330.3United Kingdom (Scotland) (10656 34509)
Mississippian358.86 - 323.4United Kingdom (Scotland) (10658)
Ivorian353.7 - 346.7United Kingdom (Scotland) (229962)
Chadian - Arundian346.7 - 339.9United Kingdom (England) (21315)
Holkerian346.7 - 339.9United Kingdom (Scotland) (227181)
Visean346.7 - 330.3United Kingdom (Scotland) (230312 230313 230411)
Asbian339.9 - 335.9United Kingdom (Scotland) (229831 230297 230394 230421 230433)
Brigantian335.9 - 330.3United Kingdom (Scotland) (229857)