The BGS Lexicon of Named Rock Units — Result Details

Blackwood Beds [Obsolete: use DYF]

Computer Code: BWD Preferred Map Code: notEntered
Status Code: Index Level
Age range: Telychian Age (ST) — Telychian Age (ST)
Lithological Description: [Obsolete: use DYF]
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: none recorded or not applicable
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
Floyd, J D and Williams, M. 2003. A revised correlation of Silurian rocks in the Girvan district, SW Scotland. Transactions of the Royal Society of Edinburgh: Earth Sciences, Vol. 93 (for 2002), 383-92. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable