The BGS Lexicon of Named Rock Units — Result Details

Shell Marl

Computer Code: SLM Preferred Map Code: notEntered
Status Code: Index Level
Age range: Holocene Epoch (QH) — Holocene Epoch (QH)
Lithological Description: Soft, calcareous deposit formed in rivers and freshwater lakes mainly from shell debris and plant encrustions. [Generic description: 'TMOS' Procedures].
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: Faunal Organic Deposits (FAORG)
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:
E068 E101 E113 E122 E126 E142 E159 E173 E175 E176 E187 E188