4. Site 1149

BACKGROUND AND OBJECTIVES

SITE GEOPHYSICS

OPERATIONS

SEDIMENTOLOGY

BIOSTRATIGRAPHY

BASEMENT STRATIGRAPHY

IGNEOUS PETROLOGY AND GEOCHEMISTRY

BASEMENT ALTERATION

INTERSTITIAL WATER CHEMISTRY AND HEADSPACE GAS

Abstract

Degradation of Organic Matter and Associated Redox Environments

Diagenesis of Biogenic Silica and Carbonate

Ash Alteration and Formation of Authigenic Clays

Basement Alteration

Summary

SEDIMENTARY GEOCHEMISTRY

PALEOMAGNETISM

SEDIMENTATION RATES

PHYSICAL PROPERTIES

Summary

DOWNHOLE MEASUREMENTS

MICROBIOLOGY

REFERENCES

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