Castle Bank
Castle Bank is a fossil deposit in Wales that is 462 million years old and dates from the middle Ordovician period when Mid Wales was covered by an ocean basin. == Fossil discoveries == When 2020 COVID-19 lockdowns prevented Llandrindod residents and researchers for Amgueddfa Cymru – Museum Wales, Joe Botting and Lucy Muir, from travelling, they reinvestigated a site they had discovered a decade earlier in a nearby sheep field.