The BGS Lexicon of Named Rock Units — Result Details

Peralkaline Rhyolite Swarm

Computer Code: PARH Preferred Map Code: notEntered
Status Code: Pending Upgrade
Age range: Silurian Period (S) — Silurian Period (S)
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: none recorded or not applicable
Parent Unit: Not Entered (?)
Previous Name(s): Grorudite Swarm ['Grorudite' Swarm] [Obsolete Name And Code: See PARH] (GRUD)
Grorudite Swarm ["Grorudite" Swarm] (-1112)
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:
none recorded or not applicable