AUTHOR=Herdocia Carlos , Maurrasse Florentin J-M. R. TITLE=Geochemical response of Aptian sediments before, during and after Oceanic Anoxic Event 1A: insight from the La Frontera section Subbetic Basin, southern Spain JOURNAL=Frontiers in Earth Science VOLUME=Volume 13 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2025.1547237 DOI=10.3389/feart.2025.1547237 ISSN=2296-6463