The BGS Lexicon of Named Rock Units — Result Details

Kingsand Rhyolitic Formation

Computer Code: KDR Preferred Map Code: KRF
Status Code: Full
Age range: Stephanian Stage (CS) — Permian Period (P)
Lithological Description: Brownish to purplish pink rhyolite lava, brecciated in part, with reddish brown conglomero-breccia of the Sandway Cellar Conglomerate Member.
Definition of Lower Boundary: Unconformably overlies steeply dipping Lower Devonian strata.
Definition of Upper Boundary: Faulted out.
Thickness: c.100m
Geographical Limits: Three isolated outcrops within the Rame Peninsula, south-west of Plymouth.
Parent Unit: Not Entered (?)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Type Section  Continuous section exposed in raised beach platform from Sandway Cellar to Kingsand Beach. 
Leveridge B E, Holder, M T, Goode, A J J, Scrivener R C, Jones N S and Merriman, R J. 2002. Geology of the Plymouth and south-east Cornwall area. Memoir of the British Geological Survey, Sheet 348 (England and Wales). 
1:50K maps on which the lithostratigraphical unit is found, and map code used: