Auxiliary Material  for Paper 2012PA002335

Authigenic uranium in foraminiferal coatings: A proxy for ocean redox chemistry

Rene Boiteau 
Godwin Laboratory for Palaeoclimate Research, Department of Earth Sciences, University of Cambridge, Cambridge, UK
Now at the MIT/WHOI Joint Program, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA

Mervyn Greaves and Henry Elderfield
Godwin Laboratory for Palaeoclimate Research, Department of Earth Sciences, University of Cambridge, Cambridge, UK

Boiteau, R., M. Greaves, and H. Elderfield (2012), Authigenic uranium in foraminiferal coatings: A proxy for ocean redox chemistry, Paleoceanography, 27, PA3227, doi:10.1029/2012PA002335.

Introduction

The auxiliary material consists of tables which contain foraminiferal trace element ratios from ODP Site 1090 that are presented in this manuscript.  All measurements were made by ICP-MS at the University of Cambridge as described in the paper. Table S1 contains U/Ca and Mn/Ca ratios of Uvigerina spp., G. inflata, and G. bulloides used in Figures 2 to 5. Table S2 contains U/Ca ratios of G. inflata, and G. bulloides samples treated with five different cleaning procedures that are presented in Figure 1.

1. 2012pa002335-ts01.txt 
Table S1. Mn/Ca and U/Ca results from ODP Site 1090.
Column 1. Sample ID: Site
Column 2. Sample ID: Core
Column 3. Sample ID: Section
Column 4. Sample ID: Sediment interval top (cm)
Column 5. Sample ID: Sediment interval bottom (cm)
Column 6. Meters composite depth (mcd)
Column 7. Age (kyrs) tuned to the LR04 benthic d18O stack
Column 8. Mn/Ca ratio of Uvigerina spp. (umol/mol)
Column 9. U/Ca ratio of Uvigerina spp. (nmol/mol)
Column 10. Mn/Ca ratio of G. inflata (umol/mol)
Column 11. U/Ca ratio of G. inflata (nmol/mol)
Column 12. Mn/Ca ratio of G. bulloides (umol/mol)
Column 13. U/Ca ratio of G. bulloides (nmol/mol)

2. 2012pa002335-ts02.txt 
Table S2. Effect of cleaning steps on U/Ca ratios.
Column 1. Sediment interval (Site, Core, section, sediment interval range)
Column 2. Species
Column 3. Cleaning method
Column 4. Number of replicates
Column 5. Average U/Ca ratio (nmol/mol)
Column 6. Standard Deviation of U/Ca ratio (nmol/mol)