大象传媒 World Service - Science In Action, A geological tour of London - Portland Stone, Roach: Fossils include oysters, portland screws and trigonid bivalves

Science In Action A geological tour of London

A tour of some geological sites, and there鈥檚 not a mountain, river bed or quarry in sight

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All pavement geology sites can be found at londonpavementgeology.co.uk [Credit: 大象传媒]