The BGS Lexicon of Named Rock Units — Result Details
Shacklow Wood Lava Member
| Computer Code: | SWB | Preferred Map Code: | notEntered |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Brigantian Substage (CX) — Brigantian Substage (CX) | ||
| Lithological Description: | A dark greenish grey, locally purplish grey, basalt, variably amygdaloidal or compact, locally doleritic, in part autobrecciated. | ||
| Definition of Lower Boundary: | Basalt lava of the Shacklow Wood Lava Member is underlain by pale and medium grey limestone of the Monsal Dale Limestone Formation. | ||
| Definition of Upper Boundary: | Basalt lava of the Shacklow Wood Lava Member is overlain by mainly dark and medium grey limestone, thinly bedded and cherty, of the Monsal Dale Limestone Formation. | ||
| Thickness: | Up to 20 m thick at outcrop at least 50 m thick in the Mogshaw Borehole (SK 16 NE 19) (SK 1889 6778). | ||
| Geographical Limits: | Restricted to the area west of Ashford (SK 19 69), Peak District inlier. | ||
| Parent Unit: | Monsal Dale Limestone Formation (MO) | ||
| Previous Name(s): | Shacklow Wood Basalt [Obsolete Name and Code: Use SWB]
(-4353)
Shacklow Wood Lava [Obsolete Name and Code: Use SWB] (-4354) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Type Section | Cliff by the A6, Great Shacklow Wood, Taddington Dale exposures 17m of compact and doleritic lavas. Aitkenhead et al., 1985) | ||
| Reference(s): | |||
| Walters, S G and Ineson, P R. 1981. A review of the distribution of and the correlation of igneous rocks in Derbyshire, England. Mercian Geologist, Vol. 8, 81-132. | |||
| Aitkenhead, N, Chisholm, J I, and Stevenson, I P. 1985. Geology of the country around Buxton, Leek and Bakewell. Memoir of the British Geological Survey, England and Wales Sheet 111. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| E111 | |||