Author Archives: Ruth Siddall

About Ruth Siddall

Geologist, geoarchaeologist and co-author of The Pigment Compendium. Follow @R_Siddall; Facebook|Cultural & Urban Geology

Urban Geology New Year Quiz 2017

This quiz was first posted on Twitter over the New Year Weekend of 2017-2018. If you missed it, both questions and answers are given here. Scroll down for answers.   Q1. Where do these coloured marbles come from? A. Tuscany, Italy … Continue reading

Posted in Building Stone, Geology, Quiz, Stone, Urban Geology | 1 Comment

Christmas Geobaubles 2017

Here are my thin section Christmas geobaubles for 2017. For festive geologically themed decorations, print off two sheets, cut out the baubles and stick the two sides together. Pierce the black hole in the tag to thread a string. Merry … Continue reading

Posted in Christmas, Geology, Minerals, Petrology, Science | Tagged | Leave a comment

Tyndall Stone: An Iconic Canadian Building Stone

Tyndall Stone is one of Canada’s iconic building stones. Derived from near Garson, Manitoba, it is used in a great number of buildings in Winnipeg. However it shows up all over the place as a high quality and attractive stone, … Continue reading

Posted in Building, Building Stone, Canada, Fossils, Geology, Ordovician, Stone, Urban Geology | Leave a comment

Whales on the Road

This post is a departure from my usual blogs about rocks, minerals, pigments and err … stamps. It is about dead whales touring the country on the back of lorries. There are not many things these days that provide pretty … Continue reading

Posted in Grant Museum, UCL Museums, Whale Tours, Whales | 3 Comments

Inside the Bartlett Brick

The new building at 22 Gordon Street houses The Bartlett School of Architecture. Completed in 2017 and designed by Hawkins\Brown Architects, the building has recently been named on the shortlist for The Architect’s Journal AJ100 Building of the Year prize … Continue reading

Posted in Bartlett School of Architecture, Brick, Ceramic Petrology, London, Materiality, Minerals, UCL, Urban Geology | Leave a comment

Geology on Postage Stamps: #1 Energy Resources, Great Britain 1978

This set of GB commemorative stamps was issued on 25th January 1978, the first issue of commemoratives for that year. The make the link between energy and geology in a world when alternative energies were a mere twinkle in most peoples eyes. … Continue reading

Posted in Geology, GeoStamps, Philately, SciArt, Science, Stamps | Leave a comment

First I was afraid, I was petrified … A short history of scary silicified log cabins

This is urban geology at the extreme; petrified wood is not exactly a common building stone, though it is becoming more frequently seen as a decorative stone, used for interior feature walls and even chopping boards and coasters. However it … Continue reading

Posted in Building, Building Stone, Dinosaurs, Fossils, Geology, Stone, Urban Geology, USA | 4 Comments