Ba/Ca ratios in the non-spinose planktic foraminifer Neogloboquadrina dutertrei: Evidence for a particulate organic microhabitat

Jennifer S Fehrenbacher, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, Ann D Russell, University of California Davis, Davis, CA, United States, Catherine V Davis, University of South Carolina Columbia, School of the Earth, Ocean, and Environment, Columbia, SC, United States, Howard J Spero, University California Davis, Davis, CA, United States and Edward Chu, University of California Davis, Department of Earth and Planetary Sciences, Davis, CA, United States