ALBERT

Note: Foreword Experimental investigations of blueschist-greenschist transition equilibria: Pressure dependence ofAl₂O₃ contents in sodic amphiboles - A new geobarometer (Shigenori Maruyama, Moonsup Cho, and J. G. Liou) Metamorphic temperatures and pressures of Group B and C eclogites (Robert C. Newton) Phase relationships of ellenbergerite, a new high-pressure Mg-Al-Ti silicate in pyrope-coesite-quartzite from the Western Alps (Christian Chopin) Petrology and tectonic implications of the blueschist-bearing Puerto Nuevo melange complex, Vizcaino Peninsula, Baja California Sur, Mexico (Thomas E. Moore) Petrologic and geochemical comparison of the blueschist and greenschist units of the Catalina Schist terrane, southern California (Sorena Svea Sorensen) Blueschists in the Franciscan Complex of California: Petrotectonic constraints on uplift mechanisms (Mark CIoos) Geochronology of high-pressure-low-temperature Franciscan metabasites: A new approach using the U-Pb system (James M. Mattinson) Blueschist metamorphism of the Eastern Franciscan belt, northern California (A. S. Jayko, M. C. Blake, Jr., and R. N. Brothers) Deformation and high PIT metamorphism in the central part of the Condrey Mountain window, north-central Klamath Mountains, California and Oregon (Mark A. Helper) Geology of the Shuksan Suite, North Cascades, Washington, U.S.A (Edwin H. Brown) Phase petrology of eclogitic rocks in the Fairbanks district, Alaska (Edwin H. Brown and Robert B. Forbes) Field relations and metamorphism of the Raspberry Schist, Kodiak Islands, Alaska (Sarah M. Roeske) Rb-Sr and K-Ar study of metamorphic rocks of the Seward Peninsula and Southern Brooks Range, Alaska (Richard L. Armstrong, Joseph E. Harakal, Robert B. Forbes) Bernard W. Evans, and Stephen Pollock Thurston Caledonian high-pressure metamorphism in central western Spitsbergen (Yoshihide Ohta, Takao Hirajima, and Yoshikuni Hiroi) A greenschist protolithfor blueschist in Anglesey, U.K. (Wes Gibbons and Mark Gyopari) Rb-Sr and U-Pb dating of the blueschists of the Ile de Groix (France) (Jean-Jacques Peucat) Blue amphiboles in metamorphosed Mesozoic mafic rocks from the Central Alps (R. Oberhänsli) Early Alpine eclogite metamorphism in the Penninic Monte Rosa-Gran Paradiso basement nappes of the northwestern Alps (Giorgio V. Dal Piaz and Bruno Lombardo) Blueschist-facies metamorphism of manganiferous cherts: A review of the alpine occurrences (Annibale Mottana) The blueschist fades schistes lustrés of Alpine Corsica: A review (Wes Gibbons, Colin Waters, and John Warburton) The ophiolite-bearing Schistes lustrés nappe in Alpine Corsica: A model for the emplacement ofophiolites that have suffered HP/LT metamorphism (John Warburton) High-pressure/low-temperature metamorphic rocks of Turkey (A. I. Okay) Eclogues from various types of metamorphic complexes in the USSR and the problems of their origin (N. V. Sobolev, N. L. Dobretsov, A. B. Bakirov, and V. S. Shatsky) The high-pressure metamorphic belts of Japan: A review (Shohei Banno) The origin and metamorphic history of the ultramafic and metagabbro bodies in the Sanbagawa metamorphic belt (K. Kunugiza, A. Takasu, and S. Banno) Strain patterns in the Sanbagawa and Ryoke paired metamorphic belts, Japan (Mitsuhiro Toriumi and Megumi Masui) A low PIT metamorphic episode in the Biei area, Kamuikotan blueschist terrane, Japan (Hirokazu Maekawa) Regional eclogite fades in the high-pressure metamorphic belt of New Caledonia (K. Yokoyama, R. N. Brothers, and P. M. Black)

Note: Kartenbeilage (Figure 1 : 1 of 12) unter dem Titel: Geophysical correlation between the geological zonation of Newfoundland and the British Isles : The geological zonation of Newfoundland and the British Isles and its offshore extension as defined geophysically (see text) /by R. T. Haworth and R. D. Jacobi , Kartenbeilage (Figure 2 : 2 of 12) unter dem Titel: Geophysical correlation between the geological zonation of Newfoundland and the British Isles : Compilation of magnetic anomaly data for the Canadian, British, Irish and French continental margins /by R. T. Haworth and R. D. Jacobi , Kartenbeilage (Figure 3 : 3 of 12) unter dem Titel: Geophysical correlation between the geological zonation of Newfoundland and the British Isles : Compilation of gravity anomaly data for the Canadian, British, Irish and French continental margins /by R. T. Haworth and R. D. Jacobi , Kartenbeilage (Figure 3 : 4 of 12) unter dem Titel: Crustal geometry of the Appalachian Orogen from seismic reflection studies : COCORP New England traverse Parts I and II /by Clifford J. Ando, Frederick A. Cook, Jack E. Oliver, Larry D. Brown, and Sidney Kaufman , Kartenbeilage (Figure 5 : 4 of 12) unter dem Titel: Crustal geometry of the Appalachian Orogen from seismic reflection studies : Québec seismic traverse 2001 /by Clifford J. Ando, Frederick A. Cook, Jack E. Oliver, Larry D. Brown, and Sidney Kaufman , Kartenbeilage (Figure 7 : 5 of 12) unter dem Titel: Crustal geometry of the Appalachian Orogen from seismic reflection studies : COCORP southern Appalachian traverse Part I /by Clifford J. Ando, Frederick A. Cook, Jack E. Oliver, Larry D. Brown, and Sidney Kaufman , Kartenbeilage (Figure 2 : 6 of 12) unter dem Titel: A deep structural profile across the Appalachians of southern Quebec : Geological map along the seismic line : compiled by P. St.-Julien and A. Slivitsky from maps by Clark and Globensky (1973), Muller (unpubl.), St--Julien (unpubl.), and Kelly (1975) /by Pierre St.-Julien, Anne Slivitsky, and Tomas Feininger , Kartenbeilage (Figure 3 : 6 of 12) unter dem Titel: A deep structural profile across the Appalachians of southern Quebec : Structural profile across the southwestern part of the Quebec Appalachians : Interpretation by P. St.-Julien, A. Slivitsky, and B. Granger, modified from an unpublished geophysical interpretation by SOQUIP /by Pierre St.-Julien, Anne Slivitsky, and Tomas Feininger , Kartenbeilage (Figure 4 : 7 of 12) unter dem Titel: A deep structural profile across the Appalachians of southern Quebec : Palinspastic section of the Cambrian-Ordovician units along the seismic line (modified from St-Julien and Hubert, 1975) /by Pierre St.-Julien, Anne Slivitsky, and Tomas Feininger , Kartenbeilage (Figure 5 : 7 of 12) unter dem Titel: A deep structural profile across the Appalachians of southern Quebec : Seismic profile 2001 (Quebec Department of Engery and Resources, DP665) /by Pierre St.-Julien, Anne Slivitsky, and Tomas Feininger , Kartenbeilage (Figure 1 : 8 of 12) unter dem Titel: Geologic interpretation of geophysical maps of the pre-cretaceous "basement" beneath the coastal plain of the southeastern United States : Aeromagnetic map of part of the southeastern Unites States (from Zietz and Gilbert, 1980) 〈1: 2000000〉 /by Michael W. Higgins and Isidore Zietz , Kartenbeilage (Figure 2 : 9 of 12) unter dem Titel: Geologic interpretation of geophysical maps of the pre-cretaceous "basement" beneath the coastal plain of the southeastern United States : Bouguer gravity map of part of the southeastern United States 〈1: 2000000〉 : compiled by David Daniels (personal communication) /by Michael W. Higgins and Isidore Zietz , Kartenbeilage (Figure 3 : 10 of 12) unter dem Titel: Geologic interpretation of geophysical maps of the pre-cretaceous "basement" beneath the coastal plain of the southeastern United States : Magnetic terranes of part of the southeastern United States 〈1: 2000000〉 /by Michael W. Higgins and Isidore Zietz , Kartenbeilage (Plate 1 : 11 of 12) unter dem Titel: An interpretation of the geology of the Mauritanides orogenic belt (West Africa) in the light of geophysical data : Geological map of the western margin of the West African craton (modified after Lécorché, 1980) /by J. P. Lécorché, J. Roussel, J. Sougy, and Z. Guetat , Kartenbeilage (Plate 2 : 12 of 12) unter dem Titel: An interpretation of the geology of the Mauritanides orogenic belt (West Africa) in the light of geophysical data : Bouguer gravity anomaly map (contour interval 5 mgal) of the western margin of the West African craton, also showing the principal geological subdivisions /by J. P. Lécorché, J. Roussel, J. Sougy, and Z. Guetat , Introduction (Robert D. Hatcher, Jr., Harold Williams, and Isidore Zietz) A new geophysical criterion to correlate the Acadian and Hercynian orogenies of western Europe and eastern Ameria (Jean-Pierre Lefort) A plate-tectonics model for the Paleozoic assembly of Pangea based on paleomagnetic data (Rob Van der Voo) Geophysical correlation between the geological zonation of Newfoundland and the British Isles (R. T. Haworth and R. D. Jacobi) Appalachian suspect terrones (Harold Williams and Robert D. Hatcher, Jr.) Exotic terranes in the New England Appalachians—limits, candidates, and ages: A speculative essay (E-an Zen) Crustal geometry of the Appalchian orogenfrom seismic reflection studies (Clifford J. Ando, Frederick A. Cook, Jack E. Oliver, Larry D. Brown, and Sidney Kaufman) A deep structural prof He across the Appalachians of southern Quebec (Pierre St.-Julien, Anne Slivitsky, and Thomas Feininger) Tectonic significance of paired gravity anomalies in the southern and central Appalachians (M. D. Thomas) Geologic interpretation of geophysical maps of the pre-Cretaceous "basement" beneath the Coastal Plain of the Southeastern United States (Michael W. Higgins and Isidore Zietz) An interpretation of the geology of the Mauritanides orogenic belt (West Africa) in the light of geophysical data (J. P. Lécorché, J. Roussel, J. Sougy, and Z. Guetat) Tectonic significance of similarities in the evolution of the Alabama-Pennsylvania Appalachians and the Alberta-British Columbia Canadian Cordillera (Raymond A. Price and Robert D. Hatcher, Jr.) The distribution of layer parallel shortening fabrics in the Appalachian foreland of New York and Pennsylvania: Evidence for two non-coaxial phases of the Alleghanian orogeny (Peter Geiser and Terry Engelder) Role of basement warps and faults in localizing thrust fault ramps (David Wiltschko and Daniel Eastman) Detachment, shear, and compression in the central Alps (H. P. Laubscher) Cover and basement: A contrast in style and fabrics (P. A. Rathbone, M. P. Coward, and A. L. Harris)

Note: Preface 1. Characteristics of volcanic rifted margins Martin A. Menzies, Simon L. Klemperer, Cynthia J. Ebinger, and Joel Baker 2. Crust and upper mantle structure in East Africa: Implications for the origin of Cenozoic rifting and volcanism and the formation of magmatic rifted margins Andrew A. Nyblade 3. Development of the Lebombo rifted volcanic margin of southeast Africa M.K. Watkeys 4. Extension and uplift of the northern Rio Grande Rift: Evidence from ⁴⁰Ar/³⁹Ar geochronology from the Sangre de Cristo Mountains, south-central Colorado and northern New Mexico Daniel P. Miggins, Ren A. Thompson, Charles L. Pillmore, Lawrence W. Snee, and Charles R. Stern 5. Lithospheric mantle beneath Arabia: A Pan-African protolith modified by the Afar and older plumes, rather than a source for continental flood volcanism? Joel Baker, Gilles Chazot, Martin A. Menzies, and Matthew Thirlwall 6. Petrogenesis of the Late Cretaceous tholeiitic magmatism in the passive margins of northeastern Madagascar Leone Melluso, Vincenzo Morra, Pietro Brotzu, Massimo D'Antonio, and Lucia Bennio 7. Silicic volcanism: An undervalued component of large igneous provinces and volcanic rifted margins Scott E. Bryan, Teal R. Riley, Dougal A. Jerram, Christopher J. Stephens, and Philip T Leat 8. Volcanology and fades architecture of flood basalts Dougal A. Jerram 9. East Greenland coast-parallel dike swarm and its role in continental breakup Martin Bromann Klausen and Hans Christian Larsen 10. Crustal architecture of South Atlantic volcanic margins W.U. Mohriak, B.R. Rosendahl, J.P. Turner, and S.C. Valente 11. Volcanic passive margin of Namibia: A potential fields perspective B. Corner, J. Cartwright, and R. Swart 12. Petrophysical modeling of high seismic velocity crust at the Namibian volcanic margin R.B. Trumbull, S.V. Sobolev, and K. Bauer

Note: Introduction / Charles E. Chapin and Wolfgang E. Elston References cited Ash-flow magmatism / Robert L. Smith Abstract Introduction Volumes of ash-flow sheets Size of magma chambers Zoned magma chambers Crater Lake, Oregon Bandelier Tuff, New Mexico SiO₂ and phenocryst variation in ash-flow sheets Periodicity-volume-composition relationships Discussion of model Summary and conclusions Acknowledgments References cited Cooling units and composite sheets in relation to caldera structure / Robert L. Christiansen Abstract Introduction Examples of ash-flow-caldera relations Mazama eruption and Crater Lake caldera Bandelier Tuff and Valles-Toledo calderas Thirsty Canyon Tuff and Black Mountain caldera Timber Mountain-Oasis Valley caldera complex Yellowstone Plateau volcanic field General pattern of ash-flow-caldera relations Acknowledgments References cited The Bishop Tuff: Evidence for the origin of compositional zonation in silicic magma chambers / Wes Hildreth Abstract Introduction Eruptive sequence Major units Units of uncertain correlation Summary of eruptive sequence Eruptive temperatures Accuracy and precision of T-fₒ₂ data Mineralogy Fe-Ti oxides Quartz Sanidine Plagioclase Biotite Pyroxenes Allanite Zircon Apatite Pyrrhotite Whole-rock chemistry Major elements Trace elements Compositional gaps Origin of the compositional zonation Crystal settling Assimilation Basaltic underplating Liquid immiscibility Progressive partial melting Trace elements during partial melting Convection-driven thermogravitational diffusion Lines of evidence Concluding remarks Acknowledgments References cited Rare-earth-element content of some highly differentiated ash-flow tuffs and lavas / Donald C. Noble, Ward L. Rigot, and Harry R. Bowman Abstract Introduction Specimens studied and methods of chemical analysis Results and discussion Acknowledgments References cited Geochemistry of the Los Chocoyos Ash, Quezaltenango Valley, Guatemala / William I. Rose, Jr., Norman K. Grant, and John Easter Abstract Introduction Field description Geochemistry Mineralogy and mineral chemistry Sr-isotope data Modeling of crystal fractionation Time required for crystal fractionation Conclusions Acknowledgments Appendix 1. Analytical methods References cited Geochemical correlation of genetically related rhyolitic ash-flow and air-fall ashes, central and western Guatemala and the equatorial Pacific / Gregory A. Hahn, William I. Rose, Jr., and Thomas Meyers Abstract Introduction Previous investigations of chemical fingerprinting The Los Chocoyos Ash and the stratigraphic sequence of the San Cristobal Group Characteristics of the ash-flow member Sample acquisition and preparation Trace-element analyses Chemical correlation Lateral chemical variations Source of the Los Chocoyos Ash Age of the Los Chocoyos Ash Conclusions Acknowledgments References cited Ignimbrites of the Sierra Madre Occidental and their relation to the tectonic history of western Mexico / Fred W. McDowell and Stephen E. Clabaugh Abstract Introduction Volcanic stratigraphy of the Sierra Madre Occidental Pre-Cretaceous volcanic rocks Lower volcanic complex Unconformity between the igneous sequences Upper volcanic supergroup Calderas of the upper volcanic supergroup Structure of the Sierra Madre Occidental Chemistry Tectonic relationships Acknowledgments References cited Emplacement of pyroclastic flows: A review / Michael F. Sheridan Abstract Introduction Eruptions Observed pyroclastic flows Theoretical eruption models Mobility Topographic barriers Energy line Deposits Morphology Depositional sequence Textures Large clasts Deflation Compositional variation Welded peralkaline ignimbrites Emplacement temperatures Models Fluidization Speculation Summary Acknowledgments References cited Primary and secondary flow structures in ash-flow tuffs of the Gribbles Run paleovalley, central Colorado / Charles E. Chapin and Gary R. Lowell Abstract Introduction Paleovalleys and the Wall Mountain Tuff Primary flow structures Gas cavities (lenticules) Lineation Foliation Primary folds Rotated lithic fragments Imbricated crystals Secondary now structures Secondary folds and growth faults Tension cracks Miscellaneous structures Steam spiracles Conclusions Acknowledgments References cited Welded air-fall tuffs / R.S.J. Sparks and J. V. Wright Abstract Introduction Field relationships Santorini, Greece The 1875 Askja welded tuffs, Iceland Other examples Petrology and chemistry Grain-size studies Santorini welded tuffs Askja welded tuff Compaction and welding Strain, bulk density, and porosity measurements Results for Santorini welded tuffs Results for Askja welded tuff Discussion Acknowledgments References cited Globule ignimbrite of Mount Suswa, Kenya / R. L. Hay, W. Hildreth, and R. N. Lambe Abstract Introduction Scope and purpose of study Geologic setting and previous work Description and field relationships Ignimbrite petrography Vitric materials Crystals and rock fragments Devitrification and gas-phase crystallization Low-temperature alteration Nature of lower ignimbrite sheet Nature of the magma Chemical composition Temperature and viscosity Emplacement of ignimbrite and origin of globules Acknowledgments References cited A model of pyroclastic surge / K. H. Wohletz and M. F. Sheridan Abstract Introduction Terminology Objectives and methods of study Deposits Bed forms Locations Results Pyroclastic-surge facies Discussion and conclusions Development of bed forms Reconstruction of the surge cloud A model of pyroclastic surge: Its fluidization and deflation Acknowledgments References cited Significance of the flattening of pumice fragments in ash-flow tuffs / Donald W. Peterson Abstract Introduction Pumice fragments in the Apache Leap Tuff Recognition and description of pumice fragments Flattening of the pumice Applications of the flattening studies Recognition of cooling units Implications of extreme flattening Determination of stratigraphic level and fault displacement Commercial application of flattening ratios Determination of the degree of welding Pumice flattening as a possible guide to relative temperature of emplacement and rate of accumulation Conclusions Acknowledgments References cited Ash-flow sheets and calderas: Their genetic relationship to ore deposits in Nevada / Edwin H. McKee Abstract Introduction Metal deposits in volcanic-tectonic systems Resurgent cauldrons Geologic setting Parameters of study Distribution of mines and ash-flow sheets Distribution of mines and calderas Discussion Acknowledgments References cited

Note: Contents: Introduction. - 1. Coastlines as zones of interaction among geological processes, climate change, and socioeconomic development? - Modeling opportunities / J. Harff, W. W. Hay, and D. F. Tetzlaff. - Models describing the driving forces of coastal change and effects of their interrelation. - 2. Postglacial coastal evolution: Ice-ocean-solid Earth interactions in a period of rapid climate change / W. R. Peltier. - 3. Simulation of the Eemian interglacial and possible mechanisms for the glacial inception / F. Kaspar and U. Cubasch. - 4. Predicting seabed change as a function of climate change over the next 50 yr in the Australian southeast / F. Li, C. P. Dyt, C. M. Griffiths, and K. L. McInnes. - 5. Interaction among sedimentation, compaction, and groundwater flow in coastal settings / D. M. Tetzlaff and M.-T. Schafmeister. - Model areas. - The Arctic and the Northern Hemisphere. - 6. The Laptev Sea system since the Last Glacial / H. Kassens, J. Thiede, H. A. Bauch, J. A. Hoelemann, I. Dmitrenko, S. Pivovarov, S. Priamikov, L. Timokhov, and C. Wegner. - 7. The evolution and degradation of coastal and offshore permafrost in the Laptev and Eastern Siberian Seas during the last climatic cycle / P. P. Overduin, H.-W. Hubberten, V. Rachold, N. Romanovskii, M. Grigoriev, and M. Kasymskaya. - 8. Climate and the migration of early peoples into the Americas / R. Hetherington, A. J. Weaver, and Á. Montenegro. - Marginal seas. - 9. The Baltic Sea coast - A model of interrelations among geosphere, climate, and anthroposphere / J. Harff, W. Lemke, R. Lampe, F. Lüth, H. Lübke, M. Meyer, F. Tauber, and U. Schmölcke. - 10. Southern Baltic Sea level oscillations: New radiocarbon, pollen, and diatom evidences of from the Puck Lagoon (Poland) / S. Uscinowicz, J. Zachowicz, G. Miotk-Szpiganowicz, and A. Witkowski. - 11. Modelling Holocene coastal erosion and sediment supply in the western North Sea / J. G. Rees, R. Newsham, and C. D. R. Evans. - 12. A Black Sea lowstand at 8500 yr B.P. indicated by a relict coastal dune system at a depth of 90 m below sea level / G. Lericolais, I. Popescu, F. Guichard, and S. Popescu. - 13. Sinis Peninsula (western Sardinia, Italy) coastal system analysis using hydrodynamic and remote sensing techniques / A. Atzeni, D. Pani, and N. Ibba. - 14. A long-term morphological modeling study on the evolution of the Pearl River Delta, network system, and estuarine bays since 6000 yr B.P. / C. Y. Wu, J. Ren, Y. Bao, Y. P. Lei, and H. Y. Shi. - Index.

Note: Contents: Preface. - ATLANTIC. - New transfer function for estimating past sea-surface conditions from sea-bed distribution of planktonic foraminiferal assemblages in the North Atlantic / Nilva G. Kipp. - Glacial North Atlantic 18,000 years ago: a CLIMAP reconstruction / Andrew Mclntyre and Nilva G. Kipp with Allen W. H. Bé, Thomas Crowley, Thomas Kellogg, James V. Gardner, Warren Prell, and William F. Ruddiman. - Late Quaternary climatic changes: Evidence from deep-sea cores of Norwegian and Greenland Seas / Thomas B. Kellogg. - Northeast Atlantic paleoclimatic changes over the past 600,000 years / W. F. Ruddiman and A. Mclntyre. - O18 record of the Atlantic Ocean for the entire Pleistocene Epoch / Jan van Donk. - Late Quaternary climatic record in western equatorial Atlantic sediment / Allan W. H. Bé, John E. Damuth, Leroy Lott, and Rosemary Free. - Late Pleistocene faunal and temperature patterns of the Colombia Basin, Caribbean Sea / Warren L. Prell and James D. Hays. - Responses of sea-surface temperature and circulation to global climatic change during the past 200,000 years in the eastern equatorial Atlantic Ocean / James V. Gardner and James D. Hays. - Equatorial Atlantic and Caribbean foraminiferal assemblages, temperatures, and circulation: Interglacial and glacial comparisons / Warren L. Prell, James V. Gardner, Allan W. H. Bé, and James D. Hays. - Corresponding patterns of contemporary pollen and vegetation in central North America / T. Webb III and J. H. McAndrews. - ANTARCTIC. - Relationship of radiolarian assemblages to sediment types and physical oceanography in the Atlantic and western Indian Ocean sectors of the Antarctic Ocean / Jose A. Lozano and James D. Hays. - Reconstruction of the Atlantic and western Indian Ocean sectors of the 18,000 B.P. Antarctic Ocean / James D. Hays, Jose A. Lozano, Nicholas Shackleton, and Grace Irving. - PACIFIC. - Late Quaternary sediment of the Panama Basin: Sedimentation rates, periodicities, and controls of carbonate and opal accumulation / Nicklas G. Pisias. - Late Quaternary accumulation rates of opal, quartz, organic carbon, and calcium carbonate in the Cascadia Basin area, northeast Pacific / G. Ross Heath, Ted C. Moore, Jr., and J. Paul Dauphin. - Glacial advance in the Gulf of Alaska area implied by ice-rafted material / Roland von Huene, Jim Crouch, and Edwin Larson. - Modern Pacific coccolith assemblages: Derivation and application to late Pleistocene paleotemperature analysis / Kurt R. Geitzenauer, Michael B. Roche, and Andrew Mclntyre. - Oxygen-isotope and paleomagnetic stratigraphy of Pacific core V28-239 late Pliocene to latest Pleistocene / N. J. Shackleton and N. D. Opdyke.

Note: Contents Foreword Preface Editors' remarks The authors 1. The Schirmacher Oasis as a part of Queen Maud Land / (D. FRITZSCHE & P. BORMANN) 1.1. About Antarctic oases in general and the geographical setting of the Schirmacher Oasis in particular 1.2. History of discoveries and first investigations in Queen Maud Land 1.3. Systematic investigations of the Schirmacher Oasis and its surroundings since 1959 1.3.1. Contributions of the Norwegian Antarctic Expedition in 1958-59 1.3.2. Investigations of the Soviet Antarctic Expedition 1.3.2.1. The wintering stations Lasarev and Novolazarevskaya - their observatory registrations and field programmes 1.3.2.1.1. Logistical bases 1.3.2.1.2. Regular Soviet observatory programmes 1.3.2.1.3. Field studies in the surroundings of the stations 1.3.2.1.3.1. Glaciological studies at the Lazarev and Novolazarevskaya Ice Shelves 1.3.2.1.3.2. Geophysical investigations 1.3.2.1.3.3 Hydrological studies of lakes within the Schirmacher Oasis 1.3.2.1.3.4. Physico-geographical and geological studies of the Schirmacher Oasis 1.3.2.1.3.5. Biological investigations 1.3.2.2. Major geographic-geological surveys and geophysical and aerophotogrammetric mapping of the eastern mountain region of Queen Maud Land 1.3.3. Investigations of the Indian Antarctic Expedition 1.3.3.1. India 's interest in Antarctica 1.3.3.2. Indian Antarctic Expeditions and main results of investigations in the area of the Schirmacher Oasis and its surroundings 1.3.4. Contributions by German investigators 1.3.4.1. Origin of scientific interest in the Schirmacher Oasis and the establishment of the Georg Forster Station 1.3.4.2. Observational programmes at Georg Forster Station 1.3.4.3. Field observations within and in the surroundings of the Schirmacher Oasis 2. Geophysical investigations / (P. BORMANN, U. SCHÄFER, C. KOPSCH & S. WAGNER) 2.1. Permanent geomagnetic recordings 2.1.1. Recording environment, requirements and facilities 2.1.2. Recording of the total intensity F 2.1.3. Recording of the variation field 2.2. Geophysical field investigations 2.2.1. Review of former geophysical field investigations in Queen Maud Land 2.2.2. Geomagnetic field measurements by GDR teams 2.2.2.1. Measuring of variation differences 2.2.2.2. Geomagnetic mapping of the Schirmacher Oasis and profile measurements in its surroundings: data, results and geological implications 3. Geology / (H.-J. PAECH & W. STACKEBRANDT) 3.1. Geological setting and former investigations / (H.-J. PAECH) 3.2. Schirmacher Oasis 3.2.1. Lithostratigraphy / (W. STACKEBRANDT) 3.2.2. Tectonics / (W. STACKEBRANDT) 3.2.2.1. Planar structures 3.2.2.2. Linear structures 3.2.2.3. Fault structures and dykes 3.2.2.4. Structure and kinematics of the Lake 55 m fault zone by means of petromagnetic fabric analysis / (V. DAMM) 3.2.3. Petrography and petrochemistry 3.2.3.1. Metamorphics / (G. ANDREHS & P. BORMANN) 3.2.3.1.1. Methodology 3.2.3.1.2. Classification of rock types 3.2.3.1.3. Investigation of rock deformation 3.2.3.1.4. Mylonitization in fault zones 3.2.3.1.5. Characterization of metamorphism 3.2.3.1.6. Conclusions 3.2.3.2. Dykes / (U. WAND) 3.2.4. Photogeological indications / (E. BANKWITZ & P. BANKWITZ) 3.2.4.1. Rock series 3.2.4.2. Fault zones 3.3. The Nunatak region / (H.-U. WETZEL) 3.3.1. The Nunatak Metamorphic Complex 3.3.1.1. Nunatak Palets 3.3.1.2. Nunatak Aerodromnaya 3.3.1.3. Nunatak 870 m 3.3.1.4. Nunatak Südnachbar 3.3.1.5. Southern IGA Rocks 3.3.2. The Schirmacher Oasis Metamorphic Complex 3.3.2.1. Nunatak Basisniy 3.3.2.2. Nunatak Kit 3.4. Generalization of the geological history of the Schirmacher Oasis and Nunatak Metamorphic Complexes / (H.-J. PAECH, W. STACKEBRANDT & H.-U. WETZEL) 3.4.1. Lithostratigraphic succession 3.4.2. History of endogenic processes 3.5. Wohlthat Massif / (H. KÄMPF, W. STACKEBRANDT, K. HAHNE, H.-J. PAECH & V. S. LEPIN) 3.5.1. Introduction 3.5.2. Eliseev Anorthosite Complex 3.5.2.1. Introduction 3.5.2.2. Magmatic features 3.5.2.3. Metamorphic structures and textures 3.5.2.4. Chemical composition 3.5.2.5. Fracture tectonics and non-metamorphic dyke rocks 3.5.2.6. Ages and isotopie compositions 3.5.3. Rock assemblages covered by ice / (K. HAHNE, P. VOGLER & R. LEWIS) 3.5.4. Photogeological structures of the basement of the Wohlthat Massif / (P. BANKWITZ & E. BANKWITZ) 3.5.4.1. Structural features 3.5.4.2. Folding and schistosity 3.5.4.3. Fracture tectonics 3.5.4.4. Magmatic veins 3.6. Mineralizations in central Queen Maud Land / (H. KÄMPF) 3.6.1. Mineralization associated with metamorphics 3.6.2. Mineralization associated with anorthosite and gabbro 3.6.3. Mineralizations in granitoids and pegmatites 3.6.4. Hydrothermal mineralizations 3.7. Conclusions on the structure, composition and history of the Earth's crust in central Queen Maud Land / (P. BORMANN, H.-J. PAECH & W. STACKEBRANDT) 4. Geomorphology / (W. RICHTER & P. BORMANN) 4.1. Introduction 4.2. Overview of the macro-relief between the ice shelf barrier and the Wegener Inland Ice 4.3. Characterization of landformsin the Schirmacher Oasis 4.3.1. General characterization of landforms 4.3.2. Structural geomorphology 4.3.3. Surface forms due to glacial erosion and deposition 4.3.4. Surface water geomorphology 4.4. Weathering processes 4.4.1. Background and scope 4.4.2. Frost and insolation weathering 4.4.2.1. Measuring programme / (W. KRÜGER) 4.4.2.2. Results / (W. KRÜGER & P. BORMANN) 4.4.2.2.1. Data for bedrock 4.4.2.2.2. Temperature data for unconsolidated rock and soil 4.4.2.2.3. Soil moisture data for unconsolidated rock and soil 4.4.2.2.4. Discussion of results on rock and soil temperature as well as soil moisture measurements with regard to frost and insolation weathering in the Schirmacher Oasis / (W. KRÜGER & P. BORMANN) 4.4.3. Special forms of weathering 4.4.3.1. Chemical weathering and initial processes of pedogenesis 4.4.3.2. Salt efflorescences / (U. WAND) 4.4.3.3. Cavernous weathering / (J. BALKE & W. RICHTER) 4.4.3.4. Wind action (W. RICHTER) 5. Weather and climate / (W. RICHTER & P. BORMANN) 5.1. General climatic conditions 5.2. Local climatic conditions and variability of essential elements of the macro-climate in the Schirmacher Oasis 5.2.1. General peculiarities of oasis climate 5.2.2. Elements of macro-climate in the Schirmacher Oasis and their variability 5.2.2.1. Solar radiation 5.2.2.2. Air temperature 5.2.2.3. Wind direction and velocity 5.2.2.4. Precipitation 5.2.2.5. Humidity 5.2.2.6. Cloudiness 5.3. Isotope variations in atmospheric moisture and precipitation / (P. KOWSKI) 6. The continental ice cover in the surroundings of the Schirmacher Oasis / (W.-D. HERMICHEN) 6.1. Antarctic ice and world climate 6.2. Regional survey 6.3. Survey of former glaciological investigations 6.4. Present structure and dynamics of the regional ice cover 6.5. Isotope studies on the glacio-climatic history of the area 6.6. Some remarkable morphological minor forms of the snow and ice surface / (W. RICHTER) 6.7. Moraines around Lake Untersee - indicators of the Late-Quaternary regional glacial history / (W. STACKEBRANDT) 7. Satellite sea ice observations in the Atlantic sector of the Southern Ocean / (H. GERNANDT) 7.1. General introduction 7.2. Long-term variations of the sea ice edge / (H. GERNANDT, K. DRESCHER & L. THARANG) 7.2.1. Data evaluation 7.2.2. Mean seasonal variations 7.2.3. Anomalies of sea ice distribution 7.2.4. Interannual variations 7.2.5.Conclusions 7.3. The break-up of ice shelf areas / (H. GERNANDT, P. GLÖDE & J. SCHMECHEL) 7.3.1. Introduction 7.3.2. Satellite observations of the Filchner Ice Shelf's break-up 7.4. Typical sea ice distribution as a response to the circulation of the Southern Ocean / (H. GERNANDT & P. GLÖDE) 7.4.1. Data interpretation 7.4.2. Typical sea ice distributions 7.4.3. Discussion 7.4.4. Conclusions 8. Hydrology / (W. RICHTER & P. BORMANN) 8.1. General remarks 8.2. Fundamentals of physical geography 8.2.1. Hydrographic relevance of geol