| Computer Code: |
HNCK |
Preferred Map Code: |
notEntered |
| Status Code: |
Index Level |
| Age range: |
Cenomanian Age (KE)
— Turonian Age (KT) |
| Lithological Description: |
none recorded or not applicable
|
| 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: |
White Chalk Subgroup (WHCK)
|
| Previous Name(s): |
New Pit Chalk Formation And Holywell Nodular Chalk Formation (Undifferentiated) [Obsolete Code: Use HNCK]
(NHCK)
|
| Alternative Name(s): |
none recorded or not applicable
|
| 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: |
| none recorded or not applicable |