Original ResearchPublished 1 September 2026Experiments and geochemical modeling of hydrogen generation during water–rock reactions: effects of mineralogy and physicochemical conditionsRaghda Emera · Nanda Mitha Angelina · Vida Gyaubea Matey-Korley · Abubakar Isah · Esuru Rita OkoroaforFrontiers in Geochemistrydoi 10.3389/fgeoc.2026.1913188