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Evaluating Hydrogen Resource in Ultramafic, Mafic and Metamorphic Rocks
Marwah ALSINAN; Ilenia BATTIATO; Anthony KOVSCEK;
[Stanford, USA]
Hydrogen production in ultramafic, mafic and metamorphic rocks is limited by geochemical properties of rock and brine. These geochemical properties such as geochemical phases and molar compositions determine the maximum potential production of hydrogen from ultramafic rocks (resources). In this work, we use public geochemical data of ultramafic rocks from PetDB and in-house experiments (Ross et al., 2025) to evaluate variations in hydrogen resources at typical depths in the subsurface.
Topic: Geochemistry