The BGS Lexicon of Named Rock Units — Result Details

Hillswick Group

Computer Code: HIWK Preferred Map Code: notEntered
Status Code: Pending Upgrade
Age range: Neoproterozoic Era (AZ) — Neoproterozoic Era (AZ)
Lithological Description: none recorded or not applicable
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: These are Moine-like rocks west of the Walls Boundary Fault, separated from the Sand Voe Group by the Northmaven Complex. They were not named separately by Mykura (1976) or Phemister (1978), but were named by Robinson (1983).
Parent Unit: Moine Supergroup (M)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
none recorded or not applicable
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S129