- Mineral ecophysiological data provide growing evidence for microbial activity in banded-iron formations. Geology. 39:707-710.
- Quartz nanocrystals in the 2.48 Ga Dales Gorge banded iron formation of Hamersley, Western Australia: Evidence for a change from submarine to subaerial volcanism at the end of the Archean. American Mineralogist. 98:582-587.