The Antarctic Paleoenvironment: A Perspective on Global Change: Part One

Title Page
......Page 5
Copyright
......Page 6
Contents
......Page 7
The Antarctic Research Series: STATEMENT OF OBJECTIVES......Page 9
Preface
......Page 10
ACKNOWLEDGMENTS
......Page 11
INTRODUCTION......Page 12
ACCOMPLISHMENTS OF OCEAN DRILLING
PROGRAM IN ANTARCTICA......Page 13
IMPORTANT REMAINING QUESTIONS AND
PROBLEMS......Page 14
REFERENCES......Page 16
INTRODUCTION......Page 18
PREBREAKUP RECONSTRUCTION......Page 21
EARLY JURASSIC TIME......Page 25
DEVELOPMENT OF PALEOSEAWAYS......Page 26
SUMMARY......Page 38
REFERENCES......Page 40
INTRODUCTION......Page 42
STRATIGRAPHY OF THE SOUTHERN OCEAN
SITES......Page 43
PALEOGEOGRAPHIC AND PALEOCEANOGRAPHIC INFERENCES......Page 57
REFERENCES......Page 67
TYPES OF MATERIAL AND INFORMATION FROM
THE PLANT RECORD......Page 72
THE ANTARCTIC PENINSULA PLANT RECORD......Page 73
REFERENCES......Page 81
METHODS......Page 85
REVISED CHRONOLOGY......Page 86
REFERENCES......Page 106
INTRODUCTION......Page 107
CLAY MINERAL ASSOCIATIONS OF LATE
EOCENE-EARLY OLIGOCENE AGE......Page 108
CLAY MINERAL VARIATIONS IN THE SOUTH
ATLANTIC AND SOUTHERN OCEAN......Page 110
CLAY MINERAL VARIATIONS IN THE
NORTHERN HEMISPHERE......Page 116
GLOBAL EVOLUTION OF CLIMATE AND
CIRCULATION AT THE EOCENE/OLIGOCENE
TRANSITION......Page 118
CONCLUSION AND POSSIBLE SCENARIO FOR
CLIMATIC AND OCEANOGRAPHIC
DEVELOPMENT AT THE EOCENE/OLIGOCENE
TRANSITION......Page 124
REFERENCES......Page 126
INTRODUCTION......Page 128
SHARK DIVERSITY AND ABUNDANCE......Page 129
PENGUINS: LEVELS OF SPECIES AND BODY SIZE
SYMPATRY......Page 133
LATE EOCENE MARINE TROPHIC LEVELS......Page 135
SUMMARY......Page 137
REFERENCES......Page 138
GEOLOGY......Page 140
PALEOECOLOGY......Page 141
REFERENCES......Page 146
INTRODUCTION......Page 149
DEEP-SEA BENTHIC FORAMINIFERA AND
PALEOCEANOGRAPHY......Page 152
THREE PERIODS OF BENTHIC FAUNAL CHANGE......Page 155
REFERENCES......Page 167
INTRODUCTION......Page 174
OCEANIC GATEWAYS IN THE TETHYAN REALM......Page 175
EVALUATION OF CLIMATIC PROXY DATA......Page 178
SEDIMENTARY FACIES OF TETHYS AND
ADJACENT CONTINENT......Page 181
THE EVAPORATION/PRECIPITATION BALANCE
IN THE TETHYAN REALM......Page 182
WHEN DID THE TETHYS BECOME A POTENTIAL
BOTTOM WATER SOURCE AREA?......Page 187
REFERENCES......Page 189
INTRODUCTION......Page 192
RESULTS......Page 195
DISCUSSION......Page 199
CONCLUSIONS......Page 207
REFERENCES......Page 208
INTRODUCTION......Page 210
METHODS......Page 212
MAUD RISE: ODP SITES 689 AND 690......Page 213
KERGUELEN PLATEAU: ODP SITES 747, 748, 751,
AND 744......Page 220
DISCUSSION......Page 225
CONCLUSIONS......Page 234
REFERENCES......Page 236
INTRODUCTION......Page 238
SEISMIC EXPRESSION OF ICE SHEET
GROUNDING EVENTS......Page 241
PREVIOUS STUDIES OF ROSS SEA GLACIAL
HISTORY......Page 242
RESULTS......Page 248
DISCUSSION......Page 252
CONCLUSIONS......Page 268
REFERENCES......Page 269
INTRODUCTION......Page 271
SITE 704: LOCATION AND OCEANOGRAPHY......Page 272
METHODS......Page 274
RESULTS......Page 278
DISCUSSION......Page 283
CONCLUSIONS......Page 291
REFERENCES......Page 314
INTRODUCTION......Page 317
THE OLIGOCENE ENIGMA......Page 318
RESULTS......Page 319
SUMMARY......Page 328
REFERENCES......Page 329
INTRODUCTION......Page 332
LOCATION AND GEOLOGIC SETTING......Page 333
GENERAL SEDIMENTOLOGY AND
STRATIGRAPHY......Page 334
BENTHIC FORAMINIFER BIOFACIES ANALYSIS......Page 336
AGE DETERMINATION......Page 339
DISCUSSION......Page 344
CONCLUSIONS......Page 348
REFERENCES......Page 349
INTRODUCTION......Page 353
AREA OF INVESTIGATION......Page 355
STRATIGRAPHY......Page 359
STACKED SEDIMENTOLOGICAL RECORD......Page 364
CLASSIFICATION OF SEDIMENT FACIES......Page 367
PALEOCEANOGRAPHY, PALEOPRODUCTIVITY,
AND PALEOGLACIOLOGY......Page 371
SEDIMENTATION MODEL......Page 373
REFERENCES......Page 377
MATERIALS......Page 381
VERTICAL DISTRIBUTION OF RADIOLARIA AND
RELATIONSHIPS WITH NEAR-SURFACE
CONDITIONS......Page 382
RADIOLARIAN STANDING STOCKS VERSUS
ACCUMULATION RATES......Page 385
REFERENCES......Page 387
DEEP SEA DRILLING PROJECT AND OCEAN DRILLING PROGRAM CRUISES SHOWINGTHE TWO OR THREE CO-CHIEF SCIENTISTS ON EACH LEG......Page 389