Portland Group (Q3399326)
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Late Jurassic (Tithonian) lithostratigraphic group (a sequence of rock strata) in South East England (is derived from the Isle of Portland in Dorset where the strata are exposed and have been extensively worked)
- Portlandian
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Portland Group |
Late Jurassic (Tithonian) lithostratigraphic group (a sequence of rock strata) in South East England (is derived from the Isle of Portland in Dorset where the strata are exposed and have been extensively worked) |
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Wikipedia(2 entries)
- enwiki Portland Group (geology)
- frwiki Portlandien