England, UK
Isle of Sheppey
Classic Eocene London Clay coast where storm and cliff-fall windows can produce shark teeth and marine fossils.
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Geology
FormationsLondon Clay Formation
EpochsEocene
Age~56-48 million years
Star speciesStriatolamia macrota
Technique
Beachcomb fresh fall material and lower foreshore lag after storms; prioritize safety around unstable cliffs.
Access
Public beach access in designated areas; check local council and tide timing before visiting.
Legality & ethics
Surface collecting is typically tolerated in public access zones; avoid restricted cliff work and private sections.
Hazards
- Fast tides
- Unstable clay cliffs
- Deep mud patches
Insider tips
- Go on a falling tide with a clear exit route
- The first calm window after wind events is often best
- Carry finds in rigid boxes; fragile clay fossils break easily
Shark teeth findable here
Trophy = headline find · Rare = real score · Uncommon = some trips · Common = most trips.
Also findable here
The beachcomber's bonus round — what else the geology gives up.
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