
Anglian Deposits
Age: ~500,000 – 424,000 years (Quaternary, Pleistocene)
Classification: Sedimentary – More details & representative sites.
Aston Limestone Formation
Age: 172-168 million years (Jurassic, Bajocian)
Classification: Sedimentary – More details & representative sites.
Avon Group
Age: 359 to 345 million years (Lower Carboniferous)
Classification: Sedimentary – More details & representative sites.
Aymestry Limestone Formation
Age: 423-419 million years (Silurian, Ludlow)
Classification: Sedimentary – More details & representative sites.
Barnt Green Volcanic Formation
Age: 488-478 million years (Ordovician, Tremadocian-Arenig)
Classification: Igneous/sedimentary – More details & representative sites.
Bartestree Dolerite Intrusion
Age: Uncertain (Permian-Carboniferous)
Classification: Igneous – More details & representative sites.
Birdlip Limestone Formation
Age: 175-171 million years (Middle Jurassic, Aalenian)
Classification: Sedimentary – More details & representative sites.
Bishop’s Frome Limestone Member
Age: 419 –416million years (Silurian, Pridoli)
Classification: Sedimentary – More details & representative sites.
Black Rock Limestone Formation
Age: 359 to 345 million years (Lower Carboniferous)
Classification: Sedimentary – More details & representative sites.
Brampton Formation / Bailey Hill Formation
Age: Neoproterozoic, Precambrian
Classification: Sedimentary – More details & representative sites.
Brockhill Dyke
Age: Post-Lower Carboniferous
Classification: Igneous – More details & representative sites.
Clent Formation (Haffield Breccia)
Age: 299-251 million years (Permian)
Classification: Sedimentary – More details & representative sites.
Cowleigh Park / Huntley Hill Formation
Age: 444-428 million years (Silurian, Llandovery)
Classification: Sedimentary – More details & representative sites.
Elton Formation, Lower Ludlow Shales
Age: 423-421 million years (Silurian, Ludlow)
Classification: Sedimentary – More details & representative sites.
Etruria Formation
Age: 359 – 299 million years (Carboniferous)
Classification: Sedimentary – More details & representative sites.
Gully Oolite Formation / Llanelly Formation
Age: 359 to 327 million years (Lower Carboniferous)
Classification: Sedimentary – More details & representative sites.
Hollybush Sandstone Formation
Age: 530-510 million years (Cambrian, Comley Series)
Classification: Sedimentary – More details & representative sites.
Kidderminster (Chester) Formation
Age: 245- 228 million years (Triassic, Middle)
Classification: Sedimentary – More details & representative sites.
Letton Formation / Folly Sandstone Formation
Age: 439-436 million years (Silurian, Llandovery)
Classification: Sedimentary – More details & representative sites.
Lickey Quartzite
Age: 488-478 million years (Ordovician, Tremadoc)
Classification: Sedimentary – More details & representative sites.
Lower Ludlow Shales Group
Age: 423-419 million years (Silurian, Ludlow)
Classification: Sedimentary – More details & representative sites.
Malvern Quartzite Formation
Age: 530- 510 million years ago (Cambrian, Comley Series)
Classification: Sedimentary – More details & representative sites.
Malverns Complex
Age: <680 million years (Precambrian, Neoproterozoic)
Classification: Igneous/Metamorphic – More details & representative sites.
May Hill Sandstone Group
Age: 444-428 million years (Silurian, Llandovery)
Classification: Sedimentary – More details & representative sites.
Much Wenlock Limestone Formation
Age: 426-423 million years (Silurian, Wenlock)
Classification: Sedimentary – More details & representative sites.
Ordovician Igneous suite
Age: Ordovician
Classification: Igneous – More details & representative sites.
Post-Anglian Deposits
Age: 2.5 million years – present (Quaternary, Pleistocene/Holocene)
Classification: Sedimentary – More details & representative sites.
Salperton Limestone Formation
Age: 172-165 million years (Jurassic, Bajocian-Bathonian)
Classification: Sedimentary – More details & representative sites.
Senni Formation
Age: 411– 398 million years (Devonian, Lower)
Classification: Sedimentary – More details & representative sites.
Shatterford Dyke
Age: Post-Lower Carboniferous
Classification: Igneous – More details & representative sites.
St Maughans Formation (Ditton Group)
Age: 416 – 397 million years (Lower Devonian)
Classification: Sedimentary – More details & representative sites.
Upper Ludlow Shales Group
Age: 421-419 million years (Silurian, Ludlow)
Classification: Sedimentary – More details & representative sites.
Warren House Formation
Age: ≤566 million years (Precambrian, Neoproterozoic)
Classification: Igneous – More details & representative sites.
Woolhope Limestone Formation / Nash Limestone
Age: 428-426 million years (Silurian, Wenlock)
Classification: Sedimentary – More details & representative sites.
Wyche Formation
Age: 443-428 million years (Silurian, Llandovery)
Classification: Sedimentary – More details & representative sites.
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