The BGS Lexicon of Named Rock Units — Result Details

Dartmouth Slates [Obsolete: use BIN, DRTM, WTD]

Computer Code: DTMS Preferred Map Code: notEntered
Status Code: Index Level
Age range: Early Devonian Epoch (DL) — Early Devonian Epoch (DL)
Lithological Description: [Obsolete: use DRTM]
Definition of Lower Boundary: none recorded or not applicable
Definition of Upper Boundary: none recorded or not applicable
Thickness: none recorded or not applicable
Geographical Limits: none recorded or not applicable
Parent Unit: none recorded or not applicable
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
Ussher, W A E. 1890. The Devonian rocks of south Devon. Quarterly journal of the Geological Society, London. Vol.46, 487-517. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable