Hertfordshire Geological Society https://validator.w3.org/feed/docs/rss2.html Stratigraphy & Sedimentology of Northern European Chalks 49th Percy Evans Lecture: The Geology of the Lower Chess Valley & where does all that water go? The Ice-pushed chalk of the Chiltern escarpment between Barkway and Heydon Ver Valley Society Walk on the Chalk, Dunstable Downs AGM – at our new Redbourne Parish Centre venue Trails and Information Boards The end-Triassic mass extinction and its aftermath Talks Critical minerals from geology to circular economy: a matter of national security The value & potential of the UK’s dinosaur track sites Field Trips St Albans’ building stone walk Ashridge House and Gardens Join Us Little Heath Geoconservation Book Presentation – The Meteorites The Deep Geology beneath southern England (TBC) Researching the Puddingstone Book The Chalk Sea Ecosystem Project Geology of Stonehenge and the bluestone controversy 49th Percy Evans Lecture: Snowballs in the Desert – A Glacial History of Oman The history of geological thought and exploration of the geology of the Himalaya Alpine peaks and salt intrusions – Geological windows into Earth’s mantle Identification and implications of the London Clay Formation divisions from an engineering perspective Angiosperms: pollen, evolution and ecosystems The Onset of Modern-Style Plate Tectonic Update on Icelandic volcanism Adventures of an Argon geochronologist: Why do we date rocks? Sea Level Change in the Anthropocene Golden Anniversary Dinner AGM & Launch of the Hertfordshire 50th anniversary book  Thames Through Time – with a Cornish flavour 50 Years Celebration Book Summer Event – Water Table III Understanding Our Aquifer Epping Forest through geological time HGS Active Sites Scotland’s Greatest Ice Age Visit to the Albert Memorial and a journey through time More adventures in the Lambeth Group – how understanding stratigraphy helps engineering understanding Events The Geology of the Albert Memorial Unveiling the geology of Mars with robotic explorers Modelling the Atmospheres of Tidally-locked Terrestrial Exoplanets Why Geology The Rutland Ichthyosaur: Digging up a ‘Dragon’ Painting with Stone: Materials, Methods and Traditions in Pietre Dure Spying on open vent volcanoes from ground, air and space HGS Field Trip Excursion to the Isle of Wight HGS Anglesey Field Trip Home