Contributions to Antarctic Research IV

Title Page......Page 4
Copyright......Page 5
Contents......Page 6
The Antarctic Research Series: Statement Of Objectives......Page 7
INTRODUCTION......Page 8
AEROMAGNETIC PROFILE OVER BUTCHER
RIDGE IGNEOUS COMPLEX......Page 10
DISCUSSION......Page 12
REFERANNCES......Page 13
BASE STATION INSTRUMENTATION
AND OPERATION......Page 15
SPATIAL CORRELATION OF
TEMPORAL GEOMAGNETIC VARIATION......Page 18
IMPLICATIONS FOR REDUCTION OF
AEROMAGNETIC DATA......Page 19
REFERENCES......Page 23
1. INTRODUCTION......Page 24
2. METHODS......Page 25
3. PELEUS TILL, WRIGHT VALLEY......Page 27
4. CONCENTRATIONS OF IRON AND TITANIUM......Page 28
5. CONCENTRATIONS OF TITANIUM AND MANGANESE......Page 31
7. SUMMARY OF CONCLUSIONS......Page 32
APPENDIX......Page 34
REFERENCES......Page 35
INTRODUCTION......Page 37
SAMPLING AND ANALYTICAL
TECHNIQUES......Page 38
OXYGEN ISOTOPES, CHEMISTRY, AND
PARTICLES......Page 41
CONCLUSIONS......Page 46
REFERENCES......Page 47
A TtiERMAL, ISOTOPIC, AND CHEMICAL STUDY OF LAKE VANDA AND
DON JUAN POND, ANTARC......Page 50
2. SAMPLING AND ANALYTICAL
PROCEDURES......Page 51
3. SIGNIFICANCE OF TEMPERATURE
MEASUREMENTS......Page 53
4. DON JUAN POND......Page 58
5. LAKE VANDA WATERS......Page 62
6. LAKE VANDA SUB-BOTYOM
SEDIMENTS AND INTERSTITIAL
WATERS......Page 64
7. STRONTIUM ISOTOPES......Page 68
8. ORIGIN OF THE WATERS AND SALTS
IN LAKE VANDA......Page 70
9. HISTORY OF DON JUAN POND AND
LAKE VANDA......Page 73
REFERENCES......Page 75
INTRODUCTION......Page 78
GEOLOGIC SETTING......Page 80
PETROGRAPHY AND MINERALOGY......Page 82
DIKES......Page 83
GEOCHEMISTRY: DATA......Page 84
GEOCHEMISTRY: DISCUSSION......Page 97
I-TYPE GRANITOIDS......Page 98
DISCRIMINATION DIAGRAMS......Page 99
CORRELATION......Page 100
SUMMARY......Page 101
REFERENCES......Page 102
INTRODUCTION......Page 105
PREVIOUS GEOCHEMICAL STUDIES......Page 106
REGIONAL GEOLOGY......Page 109
KIRKPATRICK BASALT AND FERRAR DOLERITE......Page 110
PETROGRAPHY......Page 111
MINERALOGY......Page 113
GEOTHERMOMETRY......Page 118
GEOCHEMISTRY......Page 119
SUMMARY AND CONCLUSIONS......Page 130
REFERENCES......Page 140
RECENT U.S. ACTIVITY......Page 144
BEARING CAPACITY, RUTTING RESISTANCE,AND SURFACE ROUGHNESS......Page 145
RUNWAY DIMENSIONS......Page 146
CONCLUSIONS......Page 151
REFERENCES......Page 152
INTRODUCTION......Page 153
RUNWAY DESIGN AND SITE SELECTION......Page 154
GLACIOLOGY OF THE MCMURDO ICE SHELF......Page 157
TESTING AND DATA COLLECTION......Page 161
CHRONOLOGY OF CONSTRUCTION ACTIVITIES......Page 163
RESULTS AND PROOF TESTING......Page 166
SNOW PAVEMENT DESIGN......Page 170
SUMMARY......Page 171
REFERENCES......Page 172
INTRODUCTION......Page 174
LOCATION OF THE GLACIOLOGICAL INVESTIGATIONS......Page 175
TEMPERATURE CONDITIONS IN THE MCMURDO ICE SHELF REGION......Page 176
WINTER ACCUMULATION AND SUMMER SNOWFALL......Page 177
STRATIGRAPHY AND ICE FORMATION ZONES......Page 180
FORMATION AND STRUCTURE OF ICEBLISTERS IN THE ZONE OF SUPERIMPOSED ICE......Page 181
SELECTION OF SITES AND TECHNIQUES FOR PREPARING SNOW/ICE RUNWAYS......Page 186
SUMMARY......Page 192
REFERENCES......Page 194
INTRODUCTION......Page 195
BASELINE INFORMATION......Page 196
PARAMETERS AND ASSUMPTIONS......Page 200
FEASIBILITY......Page 203
RISK......Page 207
HARDWARE AND COST ANALYSIS......Page 208
CONCLUSIONS......Page 209
APPENDIX: DERIVATION OF VALUES INTABLE 3......Page 212
REFERENCES......Page 214