All abstracts by Alta Howells in conference series: Goldschmidt

(2025) Chemical Speciation: Defining the Niche of Hot Spring Ammonia-Oxidizing Archaea
Weeks K, Trembath-Reichert E, Robare J, Debes RV, Howells A, Boyer G & Shock EL

(2023) Geochemical Challenges to Methanogenesis in Serpentinizing Systems: Implications for the Habitability of Ocean Worlds
Howells A, Price N, Batther H, Kashyap S, Som S, Kopf S, Templeton AS & Hoehler T

(2022) H₂ Production during Alteration of Fe-Bearing Igneous Rocks: Lithological Controls, Microbial Energy Supplies, and Earth System Oxygenation
Leong JA, Ely T, Howells A, Shock E & Kelemen P