| Computer Code: |
LGE |
Preferred Map Code: |
LGe |
| Status Code: |
Full |
| Age range: |
Givetian Age (DV)
— Givetian Age (DV) |
| Lithological Description: |
Rhythmic pale greyish red sandstones with subordinate siltstone and mudstone; pale green reduction spots common throughout. |
| Definition of Lower Boundary: |
Conformable on Hoy Volcanic Formation or unconformably resting on the Lower Eday Sandstone Formation. |
| Definition of Upper Boundary: |
Gradational boundary with poorly-cemented pale greyish orange sandstones of the Lyre Geo Sandstone Member. |
| Thickness: |
24m at Lang Geo (ND 1841 9912), Hoy Island, Orkney. |
| Geographical Limits: |
Orkney Islands. |
| Parent Unit: |
Hoy Sandstone Formation (HOY)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Cliff section at Lang Geo, Hoy Island, Orkney. |
| Reference(s): |
| McAlpine, A, 1978. The Upper Old Red Sandstone of Orkney, Caithness and adjacent areas. PhD Thesis, University of Newcastle-upon-Tyne. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S117
S117
|
