San Francisco, California
London, United Kingdom
A walking tour of Portland stone, the building material of choice for London's more monumental architecture, led by geoarcheologist Dr Ruth Siddall with historian Gill Hackman. Deposited in tropical seas 150 millions years ago, this limestone gives a glimpse of a Late Jurassic ecosystem, revealing lagoons, oyster beds and shell beaches in the man-made cliffs of St James's.
No previous knowledge of geology is necessary.
Starts at Green Park underground station (exit for Piccadilly south side) and ends at Piccadilly underground station.
Dr Ruth Siddall has been lecturing in geology for twenty years at UCL. Her research interests have developed into the fields of architectural history and archaeological science and people’s use of minerals and stones in both practical and decorative contexts. She has worked at Ancient Corinth, Pompeii, Westminster Abbey and identified marbles and other stones for a number of museums and collections, both in the UK and in Greece. Ruth is an experienced field geologist and teacher with a broad knowledge of geological materials and processes. She has been leading building stones walks in London, for many different audiences, for over five years, continuing a long-held tradition of urban geology at UCL.
Gill Hackman is the author of Stone to Build London: Portland’s Legacy (Folly Books, 2014). A retired civil servant, she has a long-standing interest in the building of London and the history of the Isle of Portland where her grandmother grew up.
When & Where
Extraordinary art, unexpected places