The BGS Lexicon of Named Rock Units — Result Details

Whita Sandstone Beds

Computer Code: WTS Preferred Map Code: WHSD
Status Code: Full
Age range: Chadian Substage (CI) — Chadian Substage (CI)
Lithological Description: Medium to thickly bedded, fine- to coarse-grained white, grey and pink sandstones with a few thin siltstones and sandy cementstones.
Definition of Lower Boundary: Conformable on Birrenswark Volcanic Formation (Langholm).
Definition of Upper Boundary: Passes upwards by alternation into interbedded sandstone, siltstone and and dolomitic limestone ('cementstone') facies of the Kirkbean Cementstone Member (Ballagan Formation).
Thickness: c.300m (Langholm).
Geographical Limits: Northumberland - Solway Basin. Langholm district (Scotland, Sheets 10E, 11 and 17).
Parent Unit: Kirkbean Cementstone Member (KICM)
Previous Name(s): Whita Formation (-3773)
Whita Sandstone (-4409)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Partial Type Section  Whita Sandstone Beds, River Esk between Longwood and Broomholm, Langholm. Lumsden et al, 1967; Nairn, 1958. 
Partial Type Section  Whita Member, Tarras Water upstream of Tarras Road Bridge, Langholm. Lumsden et al, 1967; Leeder, 1974. 
Reference(s):
Leeder, M R. 1974. Lower Border Group (Tournaisian) fluvio-deltaic sedimentation and palaeogeography of the Northumberland Basin. Proceedings of the Yorkshire Geological Society, Vol.40, 129 - 180. 
Lumsden G I, Tulloch W, Howells M F and Davies A. 1967. The geology of the neighbourhood of Langholm. Memoir of the Geological Survey, Sheet 11 (Scotland). 
Nairn, A E M. 1958. Petrology of the Whita Sandstone, southern Scotland. Journal of Sedimentary Petrology. Vol. 28, p. 57 - 64. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S010 S011 S017