The BGS Lexicon of Named Rock Units — Result Details

Quarry Hill Sandstone Formation

Computer Code: QHI Preferred Map Code: QHI
Status Code: Pending Upgrade
Age range: Early Devonian Epoch (DL) — Early Devonian Epoch (DL)
Lithological Description: Pink to white, well sorted sandstone, with graded siltstone/sandstone units averaging 10 metres in thickness occurring at regular intervals.
Definition of Lower Boundary: Transitional, marked by incoming of rhythmically graded siltstone/sandstone units, disappearance of conglomerate bands, and lightening of colour.
Definition of Upper Boundary: Change to argillaceous sedimentation (not exposed).
Thickness: 400 metres at type locality; thins northwards, probably to zero by NJ 523 281; reaches approx. 700 metres without top being reached at Wester Clova (NJ 451 194).
Geographical Limits: Not defined.
Parent Unit: Rhynie Group (RHN)
Previous Name(s): Quarry Hill Sandstones (-477)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Area  Quarry Hill, Sheet 76W, Scotland. 
Reference(s):
Wilson, J S G. 1890. Explanation of Sheet 76 Central Aberdeenshire. Memoir of the Geological Survey (Scotland). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S076