Computer Code: |
CNMB |
Preferred Map Code: |
G1a1 |
Status Code: |
Index Level |
Age range: |
Yeadonian Substage (CY)
— Yeadonian Substage (CY) |
Lithological Description: |
[Duplicate: use G1A1] |
Definition of Lower Boundary: |
none recorded or not applicable
|
Definition of Upper Boundary: |
none recorded or not applicable
|
Thickness: |
none recorded or not applicable
|
Geographical Limits: |
none recorded or not applicable
|
Parent Unit: |
none recorded or not applicable
|
Previous Name(s): |
Gastrioceras Cancellatum Marine Band [Obsolete Name And Code: See CNMB But Use G1A1]
(GCNMB)
|
Alternative Name(s): |
Cancelloceras cancellatum Marine Band
|
Stratotypes: |
none recorded or not applicable |
Reference(s): |
none recorded or not applicable |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
E248
E244
E245
E232
E231
E086
E078
E070
E077
E142
E059
|