@dei I love visiting these rocks. I notice something different every time.
For anyone interested in geology, I recommend a visit to the #GeoMôn Geopark visitor centre in #Amlwch. It's tiny but the people there are very knowledgeable and they have a good range of books and leaflets etc.
https://www.geomon.co.uk/geopark-activities/visit-the-geopark-centre/