• Local GAPs

Slide Show

Geological succession in Herefordshire

The table below shows a generalised stratigraphy for Herefordshire. Heavy black lines represent uncomformable relationships between underlying and overlying rocks.

Quaternary
Holocene
Head Deposits
Suballuvial Deposits
Devensian
Herefordshire Formation
Cradley Valley Formation
Ham Green Member
First Terrace
Ipswichian
Second Terrace
Wolstonian
Third Terrace
Fourth Terrace
Colwall Member
Hoxian
Cradley Silt Member
Anglican
Starpit Formation
Humber Formation
Mathon Formation
Permian
Warwickshire Group
Carboniferous
Westphalian
Salop Formation
Halesowen Formation
Etruria Formation
Coal Measures Group
Upper Coal Measures
Middle Coal Measures
Lower Coal Measures
Cornbrook Sandstone Formation
Carboniferous Limestone Supergroup
Pembroke Limestone Group
Cromhall Sandstone Formation
Llanelly Formation
Devonian
Upper Old Red Sandstone
Tintern Sandstone Formation
Quartz Conglomerate Formation
Devonian Limestone Group
Middlewood Sandstone Member
Lower Old Red Sandstone
Woodbank Series
Breconian
Brownstones Formation
Sandy Haven Formation
Townsend Tuffs Beds
Silurian
Pridoli
Downton Group
Raglan Mudstone
Rushall Formation
Ledbury Formation
Temeside Mudstone formation
Downton Castle Sandstone
Ludlow Bone Bed
Ludlow
Cefn Einion Formation
Knucklas Formation
Bailey Hill Formation
Bringewood Formation
Wenlock
Coalbrookdale Formation
Llandovery
Haugh Wood Formation
Petalocrinus Limestone
Pentamerus Beds
Ordovician
Tremadoc
Habberley Shale Formation
Shineton Shale Formation
Bronsil Shale Formation
Cambrian
Merioneth
White-Leaved Oak Shale Formation
Comley
Precambrian

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 between Hereford and Leominster,
1:50,000 scale sheet 198
‘, with the permission of the British Geological
Survey

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