The BGS Lexicon of Named Rock Units — Result Details

Marden Member

Computer Code: MARDN Preferred Map Code: notEntered
Status Code: Pending Upgrade
Age range: Devensian Stage (QD) — Devensian Stage (QD)
Lithological Description: Sands and gravels.
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: Lugg Valley Formation (LUGG)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
McMillan, A A, Hamblin, R J O, and Merritt, J W. 2011. A lithostratigraphical framework for onshore Quaternary and Neogene (Tertiary) superficial deposits of Great Britain and the Isle of Man. British Geological Survey Research Report, RR/10/03. 343pp. 
Brandon, A. 1989. Geology of the country between Hereford and Leominster. Memoir for 1:50 000 Geological Sheet 198. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable