Computer Code: |
PARV |
Preferred Map Code: |
notEntered |
Status Code: |
Full |
Age range: |
Llandovery Epoch (SL)
— Llandovery Epoch (SL) |
Lithological Description: |
Massive and flow banded rhyolite and felsic ash flow tuff. |
Definition of Lower Boundary: |
Unconformbly overlying Mynydd Eilian Formation (MYEI). |
Definition of Upper Boundary: |
Probably conformably overlain by Copper Mine Formation (COMN). |
Thickness: |
none recorded or not applicable
|
Geographical Limits: |
Anglesey. |
Parent Unit: |
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): |
Barrett, T J, MacLean, W H, and Tennant, S C. 2001. Volcanic sequence and alteration at the Parys Mountain volcanic-hosted massive sulfide deposit, Wales, United Kingdom: applications of immobile element lithogeochemistry. Economic Geology, 96(5), 1279-1305. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
none recorded or not applicable |