Border Group
The Border Group is a Carboniferous lithostratigraphic group (a sequence of rock strata) in southern Scotland and northernmost England. The name is derived from the Scottish Border region. The rocks of the Border Group have also previously been referred to as the Lower, Middle and Upper Border groups.[1]
| Border Group Stratigraphic range: Chadian to Holkerian substages of Carboniferous | |
|---|---|
| Type | Group |
| Sub-units | Lyne and Fell Sandstone formations, Kershopefoot Basalt Beds |
| Underlies | Yoredale Group |
| Overlies | Inverclyde Group |
| Thickness | more than 1350m |
| Lithology | |
| Primary | sandstones |
| Other | siltstone, limestone, dolomite, conglomerate, basalt |
| Location | |
| Country | Scotland, England |
| Extent | Northumberland and Solway basins |
| Type section | |
| Named for | Scottish Borders |
References
- "Border Group". The BGS Lexicon of Named Rock Units. British Geological Survey. Retrieved August 8, 2016.
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