David T. Johnston

Thallium isotope ratios in shales from South China and northwestern Canada suggest widespread O2 accumulation in marine bottom waters was an uncommon occurrence during the Ediacaran Period

An evaluation of sedimentary molybdenum and iron as proxies for pore fluid paleoredox conditions

Statistical analysis of iron geochemical data suggests limited late Proterozoic oxygenation

A protein trisulfide couples dissimilatory sulfate reduction to energy conservation

Dominance of sulfur-fueled iron oxide reduction in low-sulfate freshwater sediments

Placing an upper limit on cryptic marine sulphur cycling

Canopy Flow Analysis Reveals the Advantage of Size in the Oldest Communities of Multicellular Eukaryotes

Authigenic Carbonate and the History of the Global Carbon Cycle

Influence of sulfate reduction rates on the Phanerozoic sulfur isotope record