| Computer Code: |
BADIN |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Ordovician Period (O)
— Ordovician Period (O) |
| Lithological Description: |
A porphyritic, horneblende-diorite and microdiorite, dolerite and olivine-augite hornblendite. Radiometric age: 458 +/- 9 Ma (K-AR whole rock) (Rundle, 1979) |
| Definition of Lower Boundary: |
Not defined. |
| Definition of Upper Boundary: |
Not defined. |
| Thickness: |
Plugs and sheet-like masses emplaced into the Skiddaw Group. |
| Geographical Limits: |
In the outcrop area of the Skiddaw Group, mainly between Cockermouth and Keswick, Cumbria, and also in Black Combe, Cumbria. |
| Parent Unit: |
Lake District Ordovician Minor Intrusion Suite (LDOMI)
|
| Previous Name(s): |
Little Knot Picrite [Obsolete Name And Code: Part Of BADIN]
(LKN)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Great Cockup. Eastwood et al (1968). |
| Reference(s): |
| Eastwood, T, Hollingworth, S E, Rose, W C C, and Trotter, F M. 1968. Geology of the country around Cockermouth and Caldbeck. Memoir of the Geological Survey of Great Britain, England and Wales, Sheet 23. |
| Fortey, N J, Cooper, A H, Henney, P J, Colman,T and Nancarrow, P H A. 1994. Appinitic intrusions in the English Lake District. Mineralogy and Petrology, Vol. 51, p. 355-375. |
| Rundle, C C, 1979. Ordovician intrusions in the English Lake District. Journal of the Geological Society of London, Vol.136, 29-38. |
| Johnson, E W, Soper, N J, Burgess, I C, Ball, D F, Beddoe-Stephens, B, Carruthers, R M, Fortey, N J, Hirons, S, Merritt, J W, Millward, D, Roberts, B, Walker, A B and Young, B. 2001. Geology of the country around Ulverston. Memoir of the British Geological Survey, England and Wales, Sheet 48. |
| Millward, D. 2002. Early Palaeozoic magmatism in the English Lake District. Proceedings of the Yorkshire Geological Society, Vol. 54, Part 2, 65-93. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E023
E029
|
