The BGS Lexicon of Named Rock Units — Result Details

Godor Tuff Member

Computer Code: GOT Preferred Map Code: notEntered
Status Code: Pending Upgrade
Age range: Costonian Substage (OO) — Harnagian Substage (OG)
Lithological Description: Fine- to coarse-grained welded crystal lithic lapilli tuff.
Definition of Lower Boundary: Gradational conformable contact with underlying volcaniclastic mudstones of the Llangynog Formation.
Definition of Upper Boundary: Gradational conformable contact with overlying volcaniclastic mudstones of the Llangynog Formation.
Thickness: 18 to 24m
Geographical Limits: none recorded or not applicable
Parent Unit: Llangynog Formation (LGF)
Previous Name(s): Godor Ash (-4682)
Gardden-Fawr Ash (-3439)
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
Wedd, C B, Smith, B, King, W B R and Wray, D A. 1929. Geology of the country around Oswestry. Memoir of the Geological Survey of Great Britain, Sheet 137. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E136 E137