| Computer Code: |
GLR |
Preferred Map Code: |
Glr |
| Status Code: |
Pending Upgrade |
| Age range: |
Telychian Age (ST)
— Telychian Age (ST) |
| Lithological Description: |
Thinly interbedded turbidite sandstones and mudstones with both laminated and burrowed hemipelagites. |
| Definition of Lower Boundary: |
Gradational contact with Caeran Mudstones, at top of highest thick argillaceous sandstone bed of the Rhuddnant Grits. |
| Definition of Upper Boundary: |
Gradational contact with Dolgan Mudstones. |
| Thickness: |
Up to 300m. |
| Geographical Limits: |
Central Wales. |
| Parent Unit: |
Cwmystwyth Grits Group (CWY)
|
| Previous Name(s): |
Moelfre Grits [Obsolete Name and Code: Use GLR]
(-1563)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Rhydyclwydau Brook for c.2km east of Glanyrafon. |
| Reference(s): |
| Definition not published. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E179
|
