De Geoflex bv. bv. organiseert gedurende het collegejaar vrijwel elke week een interessante Aardwetenschappelijke en/of Aard en economische lezing. Elke week regelen zij een spreker die een lezing houdt over zijn of haar vakgebied. De lezingen zijn elke donderdag om 16:00 uur in F-123 of C-127. Hieronder vindt u een schema van de afgelopen lezingen.
2018
| Datum | Spreker | Onderwerp |
| 11-1 | Tim Grandjean | The application of GIS/ Remote Sensing in nature conservation in the eastern Aegean sea (Greece) |
| 18-1 | Maarten Wiemer | Practicing Geology |
| 25-1 | Paolo d’Imporzano | Lead Isotope analysis on 17th century Dutch paintings |
| 8-2 | Inge van Gelder | Interfering orogenic processes derived from Alps-Adria interactions |
| 22-2 | National Water Traineeship | Roadshow water |
| 1-3 | Sofie Bosmans | De NICO-expeditie |
| 8-3 | Marcella Dean, PGK | Science, Rocks and Roll |
| 15-3 | Daan Verstand | Klimaat & Landbouw |
| 22-3 | Bernd Andeweg | Gaswinning in Groningen |
| 5-4 | Geoflex | Paleotourlezing |
| 12-4 | EcoJob | Solicitatie- en CV-training |
| 19-4 | Geoflex | Film: Dinosaur |
| 6-9 | Geoflex | Eerstejaars lezing |
| 13-9 | Janne Koornneef | Docentenlezing |
| 20-9 | Ted Veldkamp | Droogte in Nederland |
| 27-9 | Leo Tebbens | Aardwetenschappers in de archeologie |
| 4-10 | Geoflex | Flexcursie lezing |
| 11-10 | Dick van Harlingen en Wilmer Roest | Geothermische energie |
| 18-10 | Sjoerd Robertson | Klimaatakkoord |
| 01-11 | Lara Borst | IF-technology |
| 08-11 | Sien Kok | Deltares |
| 15-11 | Geoflex | Film: Disaster zone |
| 22-11 | Geoflex | Bachelor thesis schrijven |
| 29-11 | National Water Traineeship | Roadshow Water |
| 06-12 | Stema Systems | Hydrology |
| 13-12 | Seger van den Brink | Flat Earth Society |
2017
| Datum | Spreker | Onderwerp |
| 12-1 | Henk Scholten | De veranderende rol van Geo-Informatie voor de Geowetenschapper |
| 19-1 | Gerben Ruessink | Kustduin restoratie |
| 26-1 | Geoflex | Film: Planet Earth II – Deserts |
| 9-2 | Kei Ogata | Tectonics of sedimentary basins |
| 16-2 | Tine te Winkel | Werken aan Water |
| 23-2 | Alice Knaf | Assessing the impact of European colonization of the Caribbean by provenancing lithic artefacts |
| 9-3 | Marinus Aalberts | Waterkeringen |
| 16-3 | Wouter Schellart | Subduction zones |
| 23-3 | SPE | Geothermie |
| 6-4 | Geoflex | Paleotourlezing |
| 13-4 | Commonland | Landdegredatie |
| 20-4 | VVFG | Bedrijfslezing |
| 7-9 | Geoflex | Geoflex introductielezing |
| 14-9 | Carlette Blok | Sedimentologie veldwerk tot onderzoek |
| 21-9 | Bart van Assema | Shell spel |
| 28-9 | Kalijn Peters | What can minerals tell us, a metamorphic and geochronological perspective |
| 12-10 | Geoflex | Flex über die Härz |
| 2-11 | Jelle de Gier | Pubquiz bodem |
| 9-11 | Jouke Rozema | Hydrologie projecten |
| 16-11 | Wilmer Roest | Geologie onder de windmolens (Hamburg) |
| 23-9 | Herman de Swart | Speleologie |
| 30-11 | Esther Plomp | Geoarcheologie |
| 7-12 | Dylan Bastiaans | Dino’s! |
| 14-12 | Geoflex | Film: Journey to the center of the Earth |
2016
| Datum | Spreker | Onderwerp |
| 07-01 | Mart Zijp | Working Life of a Petroleum Geologist |
| 14-01 | Shell | Rocks, reservoirs and recovery |
| 21-01 | Emma Versteegh | Klimaatreconstructies d.m.v. carbonaten |
| 04-02 | Edgar Steenstra | To the Moon |
| 11-02 | Jeroen Hoogeveen | Engineers X-ray the ground in search for new oil beds |
| 18-02 | Pim Kaskes | Digging up the mysteries of T. Rex and Triceratops |
| 25-02 | Costanza Sinibaldi | Frontier Outreach |
| 03-03 | John Reijmer | The inner Sea of the Maldives reveals the history of the Indian monsoon |
| 10-03 | Flexmovie | Holland, Nature in the Delta |
| 31-03 | Peter Scholten | Geodan and GIS |
| 07-04 | Shell | Unraveling the subsurface |
| 14-04 | SPE | Earth and economics internship at EBN |
| 21-04 | Geolog | Formation fluid characterisation for geosteering application |
| 08-09 | GeoFlex | Fieldwork lecture |
| 15-09 | Bertram Uunk | Mongolia |
| 22-09 | EGEA | An introduction to EGEA |
| 29-09 | Flexmovie | Attenborough and the Giant Dinosaur |
| 06-10 | Jasper van Vliet | Food, land use and global environmental change |
| 13-10 | Geoflex | Flexcursionlecture Devon & Cornwall |
| 20-10 | Anco Lankrijer | Geology and wine |
| 03-11 | John Reijmer | Carbonate sedimentology |
| 10-11 | Robert Aalpol | Career and work at ENGIE |
| 17-11 | Flexmovie | BBC Film Planet Earth 2 |
| 24-11 | Thesislecture | Several Bachelorstudents |
| 01-12 | Ralph Wesseling | Roadshow Water Traineeship |
| 08-12 | GAIA | Career and network |
| 15-12 | Heleen Soest | Analysis of international climate policies |
2015
| Datum | Spreker | Onderwerp |
| 22-01 | Martine van den Linden | Fugro |
| 05-02 | Shell | Rocks, reservoirs and recovery |
| 12-02 | Ronald van Baalen | Subsurface of Noord Brabant and Limburg |
| 19-02 | Flexmovie | De Nieuwe Wildernis |
| 12-03 | Jan Hartsink | Time for depth; reflection seismic methods |
| 02-04 | Mark Bokhorst | Studie & Loopbaan |
| 09-04 | Costanza Sinibaldi | Frontier Outreach |
| 16-04 | Thomas Djuly | Imperial Barrel Award |
| 23-04 | Henk van Essen | Changes in the energy market |
| 03-09 | Quinten van der Meer | Magma sources during continental breakup |
| 10-09 | VVFG | Fysische Geografie Nederland |
| 17-09 | Peter Nederlof | Geochemistry and petroleum industry |
| 15-10 | Bram Wassenaar | Stage Wareco Ingenieurs |
| 29-10 | Frank Zwaan | 4D analoog modelleren van continentale transtensietektoniek |
| 05-11 | Casimir Nooitgedacht & Koos de Jong | Evolution of Carbonate Platforms & Petroleum potential of Devonian Carbonates |
| 12-11 | Caroline Slomp | Zuurstofloosheid in de zee |
| 19-11 | Thom Boogaard | Landslide Hydrology: from hydrology to pore pressure |
| 26-11 | Bertram Uunk | Argon under pressure |
| 10-12 | Peter Vos | Het ontstaan van het Nederlandse kustlandschap |