| Computer Code: |
OSDA |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Paleocene Epoch (GP)
— Paleocene Epoch (GP) |
| Lithological Description: |
Mugearite and basalt lavas. The initial work on this formation strongly implied that tholeiitic (sub-alkali) basalt dyke intrusion immediately post-dated the extrusive phase. |
| Definition of Lower Boundary: |
Overlies the Bracadale Formation and older lavas of the Skye Lava Group. Sporadic plant beds or plant fragments are locally present at the base of the unit. |
| Definition of Upper Boundary: |
Uppermost lava flow. Overlain by superficial deposits or landslide material. |
| Thickness: |
To 500m |
| Geographical Limits: |
Northern Skye. |
| Parent Unit: |
Skye Lava Group (SKYL)
|
| Previous Name(s): |
Osdale Group [Obsolete Name and Code: Use OSDA]
(-4237)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Reference Section |
Exposures west of Bracadale, island of Skye. Bell and Williamson, 2002. |
| Reference(s): |
| Bell, B R, and Williamson, I T. 2002. Tertiary igneous activity. 371-407 in The Geology of Scotland, 4th Edition. Trewin N H (editor). (London: The Geological Society.) |
| Anderson, F W, and Dunham, K C. 1966. The geology of northern Skye. Memoirs of the Geological Survey of Great Britain, Scotland. Sheet 80 and parts of sheets 81, 90 and 91. Edinburgh, HMSO. |
| Emeleus, C H and Bell, B R. 2005. British Regional Geology: the Palaeogene volcanic districts of Scotland (Fourth Edition). (Nottingham: British Geological Survey.) x + 214pp. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S080
S080
S081
S090
S091
S081
|
