The BGS Lexicon of Named Rock Units — Result Details
Orroland Member
| Computer Code: | ORR | Preferred Map Code: | ORR |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Chadian Substage (CI) — Chadian Substage (CI) | ||
| Lithological Description: | Conglomerates, conglomeratic sandstones, red siltstones, marls and cornstones. | ||
| Definition of Lower Boundary: | Faulted. | ||
| Definition of Upper Boundary: | Faulted. | ||
| Thickness: | c.280m | ||
| Geographical Limits: | Coastal section from Port Mary to Castle Muir. | ||
| Parent Unit: | Ballagan Formation (BGN) | ||
| Previous Name(s): | Orroland Formation [Obsolete Name and Code: Use ORR]
(-436)
Orroland Limestone Beds [Obsolete Name and Code: Use ORR] (-2965) Orroland Group [Obsolete Name and Code: Use ORR] (-3598) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Type Section | Coastal section from Port Mary to Castle Muir. | ||
| Reference(s): | |||
| Lintern, B C and Floyd, J D. 2000. Geology of the Kirkcudbright-Dalbeattie District. Memoir of the British Geological Survey, Sheets 5W, 5E and part of 6W (Scotland). | |||
| Dean, M T, Browne, M A E, Waters, C N and Powell, J H. 2011. A lithostratigraphical framework for the Carboniferous successions of northern Great Britain (onshore). British Geological Survey Research Report, RR/10/007. 165pp. | |||
| Craig, G Y and Nairn, A E M. 1956. The Lower Carboniferous outliers of the Colvend and Rerrick shores, Kirkcudbrightshire. Geological Magazine, Vol.93, 249-256. | |||
| Deegan, C E. 1973. Tectonic control of sedimentation at the margin of a Carboniferous depositional basin in Kirkcudbrightshire. Scottish Journal of Geology, Vol. 9, p. 1 - 28. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| S005 S005 | |||