The table below shows a generalised stratigraphy for Worcestershire. Heavy black lines represent uncomformable relationships between underlying and overlying rocks.
Quaternary |
Holocene |
Head Deposits |
Mass movements |
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|---|---|---|---|---|---|---|
Peat Deposits |
Eymore Member |
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Devensian |
Avon Valley Formation |
Severn Valley Formation |
Power House Memeber (SVT 1) |
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Bretford Member (AVT1) |
Worcester Member (SVT2) |
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Wasperton Member (AVT2) |
Holt Heath Member (SVT3) |
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Ipswichian |
New Inn Member (AVT3) |
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Wolstonian |
Ailstone Bed (AVT4) |
Kidderminster Station Member (SVT4) |
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Pershore Member (AVT5) |
Bushley Green Member (SVT5) |
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Hoxnian |
Spring Hill Member (SVT6) |
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Anglican |
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Ridgacre Formation |
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Glaciogenic Deposits |
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Risbury Formation |
Wolston Formation |
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Cromerian |
Mathon Formation |
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Jurassic |
Inferior Oolite |
Salperton Limestone Formation |
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Aston Limestone Formation |
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Birdlip Limestone Formation |
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Lias Group |
Whitby Mudstones Formation |
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Marlstone Rock Formation |
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Dyrham Siltstone Formation |
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Charmouth Mudstone Formation |
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Blue Lias Formation |
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Triassic |
Penarth Group |
Lilstock Formation |
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Westbury Formation |
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Mercia Mudstone Group |
Blue Anchor Formation |
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Branscombe Mudstone Formation |
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Arden Sandstone Formation |
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Sidmouth Mudstone Formation |
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Tarporley Silstone
Formation |
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Sherwood Sandstone Group |
Bromsgrove Sandstone Formation |
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Wildmoor Sandstone Formation |
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Kidderminster Formation |
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Permian |
Bridgnorth Sandstone Formation |
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Warwickshire Group
|
Clent Formation |
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Carboniferous |
Westphalian |
Salop Formation |
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Halesowen Fm |
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Etruria Formation |
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Coal Measures Group |
Upper Coal Measures |
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Middle Coal Measures |
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Lower Coal Measures |
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Devonian |
Lower Old Red Sandstone |
St Maughans Formation |
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Silurian |
Pridoli |
Downton Group |
Raglan Mudstone Formation
|
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Ludlow |
Downton Castle Sandstone Formation |
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Upper Ludlow Shale
Group |
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Aymestry Limestone Formation |
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Lower Ludlow Shale
Group |
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Wenlock |
Much Wenlock Limestone Formation |
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Coalbrookdale Formation |
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Woolhope Limestone Formation |
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Llandovery |
May Hill Sandstone Group |
Wyche Formation |
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Cowleigh Park Formation |
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Ordovician |
Tremadoc |
Bronsil Shale |
Lickey Quartzite |
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Barnt Green Volcanics |
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Cambrian |
Merioneth |
White-Leaved Oak Shale Formation |
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Comley |
Hollybush Sandstone Formation |
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Malvern Quartzite Formation |
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Precambrian |
Kempsey Formation |
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Warren House Formation |
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Malvern Complex |
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Reproduced with the permission of the British Geological Survey © NERC. All Rights Reserved. Based upon information in the BGS Lexicon and the BGS memoir 'Geology of the country around Worcester, 1:50,000 scale sheet 199.
