The BGS Lexicon of Named Rock Units — Result Details

Harwich Stone Band

Computer Code: HARS Preferred Map Code: notEntered
Status Code: Full
Age range: Ypresian Age (GY) — Ypresian Age (GY)
Lithological Description: The Harwich Stone Band is a tabular argillaceous limestone with a central ash bed, that occurs near the base of the clayey silts and silty clays in the lower part of the Wrabness Member.
Definition of Lower Boundary: none recorded or not applicable
Definition of Upper Boundary: none recorded or not applicable
Thickness: The Harwich Stone Band is typically about 0.25 m thick.
Geographical Limits: The Harwich Stone Band appears to be widely developed within the Wrabness Member, in East Anglia, north-eastern Essex and the nearby offshore area.
Parent Unit: Wrabness Member (WRAB)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Reference Section  The Harwich Stone Band is exposed on the foreshore on the eastern side of the Harwich promontory, between Beacon Cliff [TM 2629 3166] and Harwich Green [TM 2630 3233]. Daley, 1999. 
Reference(s):
Daley, B. 1999. London Basin: eastern localities, In: Daley, B, Balson, P (Eds.), British Tertiary Stratigraphy. Geological Conservation Review Series 15, pp. 23-72. 
Aldiss, D T. 2014. The stratigraphical framework for the Palaeogene successions of the London Basin, UK. British Geological Survey Open Report OR/14/008. 95 pp. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable