32. SEDIMENTARY RECORD OF THE CALIFORNIA CURRENT SYSTEM, MIDDLE MIOCENE TO HOLOCENE: A SYNTHESIS OF LEG 167 RESULTS

ABSTRACT

INTRODUCTION

SYNOPSIS OF DRILLING

THE MODERN ENVIRONMENT: INTERSTITIAL WATER GEOCHEMISTRY OF CALIFORNIA MARGIN SEDIMENTS

Organic Matter Diagenesis

Calcium and Magnesium Gradients

Opaline Silica Dissolution and Diagenesis

Gas Hydrates and Interstitial Water Chemistry, Eel River Basin (Site 1019)

Outstanding Questions to be Addressed by Further Study

PLEISTOCENE MILLENNIAL- TO ORBITAL-SCALE PROCESSES IN THE CALIFORNIA MARGIN

NEOGENE

CONCLUSIONS

ACKNOWLEDGMENTS

REFERENCES

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