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Hertfordshire is known for the chalk of the Chiltern Hills, globally rare chalk streams, and Hertfordshire Puddingstone. But there is so much more to explore.
In this area we pull together a variety of information which will help you discover the geology of the county.
The Introduction outlines the main aspects of the geology of Hertfordshire both solid and superficial, which was originally created by Dr John A Catt.
The Interactive Map shows the location of key sites, some of which have Videos, and others have Trails and Information Boards. Major topics like Hertfordshire Puddingstone and Chalk Streams have their own sections.
We would love to help you if you have a question about Hertfordshire Geology.
If you want a detailed account of the geology, then the best place to find it is in the book ‘Hertfordshire Geology and Landscape’.
Edited by John Catt, it has 374 pages filled with information by expert Geologists on each topic, with high quality photographs, maps and diagrams.
“ .. this book is exceptional value for money, and I recommend it without reservation, not only to those who live in Hertfordshire and the surrounding region, but to all those interested in understanding landscape development in the geologically relatively stable, cool temperate regions of the Earth.”
James Rose, PGA Review, February 2013
For more details of the book, see the HNHS web page. It can be purchased on-line from HNHS, or in person at any meeting of the HGS for only £35.
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