Intrashell trace element ratios in the foraminifera Globorotaloides hexagonus record anaerobic microbial metabolisms in an oxygen minimum zone

Shannon Doherty, North Carolina State University Raleigh, Raleigh, NC, United States, Catherine Davis, North Carolina State University, Raleigh, NC, United States and Jennifer S Fehrenbacher, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States