Sunday, 22 January 2017

#London Walks Walk of the Week… Eastcheap & The Tower: An #UrbanGeology Walk Guided by @R_Siddall

Every Sunday we’ll pluck just one walk from the vast London Walks repertoire and put it centre stage.

You can check out the full schedule at

But if you only take one walking tour this week, why not make it…

Eastcheap & The Tower – An Urban Geology Walk

Monument Tube, Fish Street Hill exit Saturday 28th January 2017 2.30pm Meet at 

Guided by Ruth Siddall

Fossils, Volcanoes, seas, asteroids, etc. and time stretching back to the crack of doom.

Discover the history of the building of London from the Norman Conquest to the present day. The materials used to build the Tower of London, the Monument, local churches and many modern office blocks reveal a social history in stone. Learn about the fashions in building stone and the geological stories behind them. Guided by University College London Geologist Ruth.


To go on the Eastcheap & the Tower – the History of London's Building Stones walk meet professional Geologist Ruth Siddall at 2.30 pm on Saturday, January 28. The meeting point is just outside the Fish Street Hill exit of Monument Tube.  N.B. the walk takes about two hours and will end at Tower Hill Tube.

'London’s geological secrets … check out some geological sites, and there’s not a mountain, river bed or quarry in sight. We see granite that’s been impacted by comets, 400 million year old squid fossils on the steps of St Paul’s, a Jurassic beach right here at the BBC and finish with a geological pub stop’

Ruth Siddall interviewed on Science in Action, BBC World Service

“'Granites. … They’re sort of like ice cream: the same basic recipe but a whole world of flavours,' … 'You know the other great thing about granite? It’s why dry land exists.' About 4 billion years ago granite, because of its buoyancy, was the material that rose to form the continental crust—the land that Europeans live on. In Britain, it’s the stuff of stone kerbs."

Ruth Siddall, interviewd by Helen Gordon in The Economist: 1843 Magazine, September/October 2014.

Dates For the Diary – Forthcoming Urban Geology walks with London Walks

There are several of them in each London Walks programme. In the current (Winter-Spring 2017) London Walks programme…

Building the Victoria Embankment – A Story in Stone. It goes at 2.30 pm on Saturday, March 25. The meeting point is just outside the Villiers Street exit of Embankment Tube.

Urban Geology in Trafalgar Square & St. Martin's Lane. It goes at 2.30 pm on Saturday, April 29. The meeting point is just outside exit 1 (by Wyndham's Theatre) of Leicester Square Tube.

About Your Guide

Ruth is a geologist at University College London. She researches geological materials used in art, architecture and archaeology. She is interested in the natural history of cities and this includes the fossils and crystals that we walk past every day. Ruth has appeared on the BBC World Service programme Science Now and regularly writes and blogs on building stones.

A London Walk costs £10 – £8 concession. To join a London Walk, simply meet your guide at the designated tube station at the appointed time. Details of all London Walks can be found at

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