The BGS Lexicon of Named Rock Units — Result Details
Rosneath Conglomerate Formation
| Computer Code: | RON | Preferred Map Code: | RON |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Early Devonian Epoch (DL) — Early Devonian Epoch (DL) | ||
| Lithological Description: | A conglomerate with clasts up to 40 cm in size of quartz, quartzite, metamorphic, igneous and volcanic rocks with minor sandstone and pebbly sandstone interbeds. | ||
| Definition of Lower Boundary: | Unconformable upon the Dalradian basement. | ||
| Definition of Upper Boundary: | Not exposed, presumed to pass upwards and laterally into the Stockiemuir Sandstone Formation. | ||
| Thickness: | In excess of 1000 m thick. | ||
| Geographical Limits: | Rosneath Point to Helensburgh and Southern Loch Lomond, sheets 30W, 38W. | ||
| Parent Unit: | Stratheden Group (SAG) | ||
| Previous Name(s): | Upper Old Red Sandstone
(UORS)
Rosneath Conglomerate [Obsolete Name and Code: Use RON] (-2398) Upper Old Red Sandstone (UORS) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Type Area | West of Rosneath Point, Sheet 30W. | ||
| Reference(s): | |||
| Browne, M A E, Smith, R A, and Aitken, A M. 2002. Stratigraphical framework for the Devonian (Old Red Sandstone) rocks of Scotland south of a line from Fort William to Aberdeen. British Geological Survey Research Report RR/01/04. 67 pp. | |||
| Paterson, I B, Hall, I H S and Stephenson, D. 1990. Geology of the Greenock district: Memoir for 1:50000 geological sheet 30W and part of sheet 29E (Scotland). | |||
| Paterson, I B and Hall, I H S. 1986. Lithostratigraphy of the late Devonian and early Carboniferous rocks in the Midland Valley of Scotland. British Geological Survey Report, 18/3. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| S030 S038 | |||