| Computer Code: |
NHQ |
Preferred Map Code: |
notEntered |
| Status Code: |
Index Level |
| Age range: |
Ediacaran Period (AD)
— Ediacaran Period (AD) |
| Lithological Description: |
Quartzite. |
| 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: |
Holyhead Formation (HHD)
|
| Previous Name(s): |
Holyhead Quartzite Formation [Obsolete Name and Code: Use NHQ]
(-3579)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| none recorded or not applicable |
| Reference(s): |
| Phillips E. 1991. The lithostratigraphy, sedimentology and tectonic setting of the Monian Supergroup, western Anglesey, North Wales. Journal of the Geological Society, London, Vol. 148, 1079-1090. |
| Greenly, E. 1919. Geology of Anglesey. Memoir of the Geological Survey, UK. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
