| Computer Code: |
CGLS |
Preferred Map Code: |
CGLS |
| Status Code: |
Full |
| Age range: |
Pridoli Epoch (SO)
— Emsian Age (DE) |
| Lithological Description: |
Sandstone, grey to greenish grey, massive to flaggy, few micaceous partings, cross-bedded, with beds of green siltstone. Siltstone also occurs as rip-up clasts in sandstone. Some channels with pebbly base. |
| Definition of Lower Boundary: |
Sedimentary junction with Raebeg Sandstone Formation, not exposed. |
| Definition of Upper Boundary: |
Not known, upper part of formation removed by erosion. |
| Thickness: |
ca 100m |
| Geographical Limits: |
Immediately north-east of the Conglass Water in the north-east part of Tomintoul ORS outlier, upper Banffshire; a 50 km2 outlier, 15 x 5 km in extent, that is totally separated from; other ORS outcrops of the north-east Grampian area. |
| Parent Unit: |
Tomintoul Group (TOMI)
|
| Previous Name(s): |
Conglass Conglomerate Formation [Obsolete Name: See CGLS And Revisions]
(CONC)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Conglass Water for 1100m above Bridge of Conglass, Tomintoul. Mendum, J R and Stephenson, D, (in preparation). |
| Reference(s): |
| Mendum, J R and Stephenson, D. In preparation. Geology of the Glenlivet and Glenbuchat district. Memoir of the British Geological Survey, Sheets 75W and 75E. (Scotland). |
| Hinxman, L W, 1896. Explanation of sheet 75, west Aberdeenshire, Banffshire, parts of Elgin and Inverness. Memoirs of the Geological Survey, Scotland. (Edinburgh: HMSO for Geological Survey). |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S075
S075
|
