The Trip scheduled for tomorrow 20th September 2025 that is mentioned in the latest programme has been cancelled because of the forecast for heavy rain which would make the trip unpleasant and possibly dangerous. Please do not attend this event

Geologists' Association – South Wales Group
Cymdeithas y Daearegwyr – Grŵp De Cymru
Events
The Trip scheduled for tomorrow 20th September 2025 that is mentioned in the latest programme has been cancelled because of the forecast for heavy rain which would make the trip unpleasant and possibly dangerous. Please do not attend this event

In this presentation, Jeremy discusses how environmental geologists investigate and assess risks posed by soil and water contamination on such sites, and the importance of getting the Conceptual Site Model right. Understanding the ground conditions (both natural and man-made) is crucial in this, hence the importance of a geological input.
A talk by Kevin Privet & Phillipa Towler
A talk to the group by Andy Freem
For more of Andy's online content see his You Tube Channel https://www.youtube.com/@Catchpool1
A talk to the South Wales Geologists Association by Chris Duffin onThe Mineralogy of Art whereby he describes the minerals used to create pigments and some of the chemistry behind that
Sid is a local geologist of note who has led the SWGA many times (as you can see in this photograph) . In this lecture he gives an overview of the geology of Pembrokeshire and the history of it's exploration by well known and not so well known geologists
A recording of a ppresentation to the South Wales Geologists Association A review of some of the best fossil preservation sites in the world (Lagerstatten) by John Nudds Co-Author of the book on this subject Evolution of Fossil Ecosystems and Fossil Ecosystems of North America
Jeremy Hucker gives a brief introduction to coal and coalfields before getting on to the legacy and risks, and how we identify and mitigate those risks
A personal view by James Creswell
If you missed our lecture by Ricardo Ramalho you can watch it here:
Opinions expressed by authors and services offered by advertisers are not specifically endorsed by the South Wales Geologists' Association