The BGS Lexicon of Named Rock Units — Result Details

Caaf Water Limestone Formation

Computer Code: CWLS Preferred Map Code: CWLs
Status Code: Pending Upgrade
Age range: Pendleian Substage (CE) — Arnsbergian Substage (CG)
Lithological Description: Limestones as part of a cyclical sequence of limestone, mudstone, siltstone and sandstone.
Definition of Lower Boundary: Passes down into the Dalry Sandstone Formation.
Definition of Upper Boundary: Passes up into the Monkcastle Sandstone Formation.
Thickness: 105 metres but thinning to around 10 metres southwards.
Geographical Limits: Not defined.
Parent Unit: Not Entered (?)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  British Geological Survey Diddup Borehole. 
Reference(s):
Monro, S K. 1999. Geology of the Irvine District. Memoir of the British Geological Survey, Sheet 22W and part of 21E (Scotland). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S022