The BGS Lexicon of Named Rock Units — Result Details

Kingston Sand Member

Computer Code: KNSA Preferred Map Code: notEntered
Status Code: Full
Age range: Holocene Epoch (QH) — Holocene Epoch (QH)
Lithological Description: Sand, very fine- to medium-grained with silt and clay laminae, grey and brownish grey, finely micaceous, with some shells and comminuted shell debris and dark sulphidic patches. The sediments contain a marine microfauna of temporate estuarine type. Locally, the unit has a gravelly base and clasts to 20cm of schist and quartzite.
Definition of Lower Boundary: Gravelly erosive base locally unconformable, assumed to be deeply channelised into the Errol Clay Formation.
Definition of Upper Boundary: Upper boundary (unconformable?) with transgressing Carse of Gowrie Clay Member but may pass laterally into the Carey Silt Member (Carse Clay Formation).
Thickness: 20m known at Kingston; up to 14.9m at Barry Buddon.
Geographical Limits: Tay estuary and the Firth of Tay.
Parent Unit: Carse Clay Formation (CARCL)
Previous Name(s): Kingston Beds (LEKI)
Buddon Sands (-1631)
Alternative Name(s): none recorded or not applicable
Reference Section  Barry Buddon Camp 2 Borehole, BGS Ref. No. NO53SW/SE12284/2, from 2.5m to 17.4m depth; Firth of Tay. 
Type Section  Kingston Borehole, BGS Ref. No. 32NW/5, from 4.71m to 25.1m depth; lower Tay estuary. 
Paterson, I B, Armstrong, M and Browne, M A E. 1981. Quaternary estuarine deposits in the Tay-Earn area, Scotland. Report of the Institute of Geological Sciences, No.81/7. 
Paterson, I B. 1981. The Quaternary geology of the Budden Ness area of Tayside, Scotland. Report of the Institute of Geological Sciences, No.81/1. 
Armstrong, M, Paterson, I B and Browne, M A E, 1985. Geology of the Perth and Dundee district. Memoir of the British Geological Survey, Sheets 48W, 48E and 49 (Scotland). 108pp. 
1:50K maps on which the lithostratigraphical unit is found, and map code used: