Computer Code: |
CRM |
Preferred Map Code: |
notEntered |
Status Code: |
Pending Upgrade |
Age range: |
Asbian Substage (CR)
— Asbian Substage (CR) |
Lithological Description: |
Fawn, coarse-grained crinoidal biosparite (packstone); abrupt contacts above and below with bedded, dark grey, cherty biomicrosparite. |
Definition of Lower Boundary: |
Conformable but abrupt upward change from dark grey, cherty biomicrosparite |
Definition of Upper Boundary: |
Conformable but abrupt upward change to dark grey, cherty biomicrosparite |
Thickness: |
4m in type section, maximum of 11m elsewhere. |
Geographical Limits: |
Not defined. |
Parent Unit: |
Dartry Limestone Formation (DARL)
|
Previous Name(s): |
none recorded or not applicable
|
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 |