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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