The BGS Lexicon of Named Rock Units — Result Details

Rosenum Formation

Computer Code: RNUM Preferred Map Code: notEntered
Status Code: Pending Upgrade
Age range: Eifelian Age (DI) — Givetian Age (DV)
Lithological Description: Dull grey and black slate.
Definition of Lower Boundary: Conformable on the Tempellow Slate Formation.
Definition of Upper Boundary: Conformable below the Milepost Slate Formation.
Thickness: Not recorded
Geographical Limits: Locally south of Liskeard (Burton, C J and Tanner, P W G) and westwards towards Bodmin (British Geological Survey Sheet 335 and 336).
Parent Unit: Not Entered (?)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  Stream section between Rosenun Wood and Cartuther Wood. Burton, C J and Tanner, P W G, 1986. 
Reference(s):
Burton, C J and Tanner, P W G, 1986. The stratigraphy and structure of the Devonian rocks around Liskeard, east Cornwall, with regional implications. Journal of the Geological Society, London, Vol.143, 95-105. 
Selwood, E B, Thomas, J M, Williams, B J, Clayton, R, Durning, B, Smith, O and Warr, L N, 1998. Geology of the country around Trevose Head and Camelford. Memoir of the British Geological Survey, sheets 335 and 336 (England and Wales). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable