Andy W Heard

3PUBLICATIONS
11CO-AUTHORS
MeteorologyStratigraphy (incl. biostratigraphy, sequence stratigraphy and basin analysis)Inorganic geochemistry
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Publications (3)

|Dec 09, 2025
Onset of persistent surface ocean oxygenation during the Great Oxidation Event.

Andy W Heard, Chadlin M Ostrander, Yunchao Shu

|Dec 10, 2020
Titanium isotopes constrain a magmatic transition at the Hadean-Archean boundary in the Acasta Gneiss Complex.

Sarah M Aarons, Jesse R Reimink, Nicolas D Greber

|Oct 23, 2020
Triple iron isotope constraints on the role of ocean iron sinks in early atmospheric oxygenation.

Andy W Heard, Nicolas Dauphas, Romain Guilbaud

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