The BGS Lexicon of Named Rock Units — Result Details

St David's Head Gabbro

Computer Code: SDHI Preferred Map Code: notEntered
Status Code: Pending Upgrade
Age range: Llanvirn Series (OE) — Caradoc Series (O4)
Lithological Description: Quartz gabbro and microgabbro.
Definition of Lower Boundary: Not applicable.
Definition of Upper Boundary: Not applicable.
Thickness: 573m
Geographical Limits: none recorded or not applicable
Parent Unit: Not Available (!)
Previous Name(s): St David's Head Intrusion (-3663)
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
Roach, R A, 1969. The composit nature of the St. David's Head and Carn Llidi intrusions of north Pembrokshire. 409-433 in The Pre-Cambrian and Lower Palaeozoic rocks of Wales. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable