D. Jeffrey Over

Inverse correlation between the molybdenum and uranium isotope compositions of Upper Devonian black shales caused by changes in local depositional conditions rather than global ocean redox variations

Liyan Xing, B. Kendall, S. Romaniello, 2020, Geochimica et Cosmochimica Acta.

Biomarker evidence of algal-microbial community changes linked to redox and salinity variation, Upper Devonian Chattanooga Shale (Tennessee, USA)

A. Anbar, T. Lyons, T. Algeo, 2020, GSA Bulletin.