The BGS Lexicon of Named Rock Units — Result Details

Carrickmacsparrow Limestone Member

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