Contributions to Antarctic Research II

Title Page
......Page 4
Copyright
......Page 5
Contents
......Page 6
The Antarctic Research Series: Statement of objectives
......Page 7
ANTARCTIC SOIL PROCESSES AND CLASSIFICATION......Page 8
HIGH ARCTIC SOILS: PROCESSES AND CLASSIFICATION......Page 12
COMPARISON OF SOIL-FORMING FACTORS IN THE COLD DESERTS OF ANTARCTICA WITH THOSE OF THE HIGH ARCTIC POLAR DESERTS......Page 15
Salt Formation and Composition......Page 17
Biotic Elements......Page 18
COMPARISON OF PROPERTIES OF COLD DESERT SOILS WITH THOSE OF POLAR DESERT SOILS......Page 20
CONCLUSIONS......Page 21
REFERENCES......Page 22
INTRODUCTION......Page 25
METHODS......Page 26
Reckling Morai......Page 27
Allan Hills......Page 29
Summer Ablation Rates......Page 31
CONCLUSION......Page 34
REFERENCES......Page 36
INTRODUCTION......Page 38
Pagoda Formatt'on......Page 39
Mackellar Fortnation......Page 45
Fairchild Formation......Page 49
Buckley Formation......Page 52
Factors Influencing the Amounts of Organic Carbon in Beacon Sediments......Page 53
Vitrinite Reflectance as an Indicator of Thermal Alteration......Page 59
Organic Carbon Contents in Least Altered Zones as Indicators of Paleoenvironments and Organic Productivity......Page 65
SUMMARY......Page 68
REFERENCES......Page 69
THE WEST ANTARCTIC RIFT SYSTEM: A REVIEW OF GEOPHYSICAL INVESTIGATIONS......Page 71
INTRODUCTION......Page 72
TOPOGRAPHY......Page 75
Uplift of Rift Shoulder......Page 76
Amundsen-Bellingshausen Flank
......Page 78
Distribution......Page 79
Geochemical Characteristics......Page 80
AEROMAGNETIC SURVEYS......Page 81
Magnetic Boundary in Byrd Subglacial Basin......Page 83
ROSS SEA SHELF-NORTHERN VICTORIA LAND AEROMAGNETIC SURVEY......Page 84
Magnetic Evidence of Rift Fabric Beneath Ross Sea Shelf......Page 90
GRAVITY SURVEYS......Page 92
Free-Air Anomalies......Page 93
Bouguer Anomalies......Page 95
Bouguer Anomaly Gradient Across Transantarctic Mountain Front......Page 96
Large Offset Surveys?Ice Sheet......Page 99
Marie Byrd Land-Horlick Mountains Area......Page 100
Moho Determinations?Ross Sea Shelf......Page 101
Marine Multichannel Seismic Reflection Surveys......Page 103
DISCUSSION......Page 104
Low Seismicity......Page 105
Mechanisms for  Rifting......Page 106
Rifting in West Antarctica......Page 107
SUMMARY......Page 109
REFERENCES......Page 111