10. Molecular Biogeochemistry of Cretaceous Black Shales from the Demerara Rise: Preliminary Shipboard Results from Sites 1257 and 1258, Leg 207

ABSTRACT

INTRODUCTION

ANALYTICAL METHODS

RESULTS

BIOMARKERS

Aliphatic Fractions

Acyclic Alkanes and Isoprenoid Hydrocarbons

Regular Steranes and Sterenes

Hopanes and Rearranged Hopanes/Hopenes

Aromatic Fraction

INTERPRETATION AND APPLICATION

IMPLICATIONS FOR BLACK SHALE GENESIS ON THE DEMERARA RISE

SUMMARY

ACKNOWLEDGMENTS

REFERENCES

PDF version