Cenomanian, the name given by French geologists to the Lower Chalk and Upper Greensand of English geologists.
Cenomanian
Chambers's Encyclopaedia, Volume 3: Catarrh to Dion, p. 61
Source scan(s): p. 0070
Cenomanian, the name given by French geologists to the Lower Chalk and Upper Greensand of English geologists.