| Computer Code: |
BMO |
Preferred Map Code: |
BMO |
| Status Code: |
Full |
| Age range: |
Caradoc Series (O4)
— Caradoc Series (O4) |
| Lithological Description: |
Greywacke sandstones. |
| Definition of Lower Boundary: |
Taken at base of sandstone lithology, resting on Benan Conglomerate Formation (of Barr Group). |
| Definition of Upper Boundary: |
Taken at top of sandstone lithology, beneath Kilranny Conglomerate Member (of Balclatchie Formation). |
| Thickness: |
90 to 140m |
| Geographical Limits: |
Girvan area, southwest Scotland. |
| Parent Unit: |
Balclatchie Formation (BCH)
|
| Previous Name(s): |
Infra-Kilranny Greywackes [Obsolete Name and Code: Use BMO]
(-1365)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Belllmoor Hill, between Kilranny Farm and Kennedy's Pass. Williams, 1962. |
| Reference(s): |
| Fortey, R A, Harper, D A T, Ingham, J K, Owen, A W, Parkes, M A, Rushton, A W A, and Woodcock, N H. 2000. A revised correlation of Ordovician rocks in the British Isles. Geological Society Special Report, No.24. |
| Lapworth, C, 1882. The Girvan Succession. Quarterly Journal of the Geological Society of London, Vol. 38, 537-666. |
| Williams, A, 1962. The Barr and Lower Ardmillan Series (Caradoc) of the Girvan district, southwest Ayrshire, with descriptions of the Brachiopoda. Memoir of the Geological Society of London, No.3. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
