ALBERT

Note: Zugleich: Dissertation, Universität Bremen, 1989 , Zusammenfassung in englischer Sprache

Note: Table of Contents: Copyright; Additional copies. - Foreword and acknowledgements. - Chapter 1. Cosmochemistry of the Rare Earth Elements: Condensation and Evaporation Processes / by William V. Boynton. - Introduction. - Meteorites. - Astrophysical context for interpretation of cosmochemical data. - Solar nebula. - Solar abundances. - Cosmochemical properties of the REE. - REE condensation reactions. - Activity coefficients. - Partial pressures. - Solid / gas distribution coefficients. - Why are the REE volatilities so different?. - Calculated REE patterns. - Early condensates. - Removing REE in the gas. - Comparison with meteoritic data. - Ultra-refractory component. - Group II inclusions. - FUN inclusions. - REE condensation as a function of oxygen fugacity. - Rims on CAI. - What have we learned from the REE?. - High temperatures were achieved in the solar nebula. - A very efficient mechanism for gas/dust separation existed in the solar nebula. - The high nebular temperatures existed for a long time. - A very intense, very brief, heat source also existed. - The solar nebula was a chaotic environment. - Summary. - Acknowledgements. - References. - Chapter 2. Radiogenic Isotope Geochemistry of Rare Earth Elements / by P. Jonathan Patchett. - Introduction. - Long-lived radioactive isotopes of Rare Earth Elements. - 138La-138Ce decay. - 147Sm-143Nd decay. - 176Lu-176Hf decay. - Cemical variations of La/Ce, Sm/Nd and Lu/Hf ratios. - Geochronological studies. - La-Ce and Lu-Hf chronology. - Sm-Nd chronology. - Defining bulk planetary isotopic evolution. - Isotopic study of planetary interiors. - The Moon. - The Earth. - Nd isotopes in studies of terrestrial crustal evolution. - Model Nd ages of continental crust. - Growth curves for the continental crust. - Origin of granitoids. - Nd isotopes and the sedimentary system. - Characterization of whole crustal terranes. - Crustal Lu-Hf isotopic studies. - Major unsolved problems. - Continental crustal growth curve. - Abundance of Archean continental crust. - Origin of mantle isotopic variations. - References. - Chapter 3. Partitioning of Rare Earth Elements between Major Silicate Minerals and Basaltic Melts / by Gordon A. McKay. - Introduction. - Usefulness of the REE for petrogenetic modelling. - Scope of this chapter. - Caveat. - How partition coefficients are measured. - Phenocryst/matrix studies of natural samples. - Experimental measurement of partition coefficients. - Basic experimental approach. - Equilibrium. - Percent level doping technique. - Beta-track mapping technique. - Other experimental approaches. - Henry's law: The applicability of percent-level doping results. - Factors governing mineral/melt partitioning. - Ionic size and charge of trace element. - Crystal field effects. - Cristallographic versus defect sites: The Henry's law question. - Phase compositions. - Oxidation state. - Thermodynamic relationships: Dependence of partitioning on temperature and composition. - Other predictive approaches. - Special applications. - Eu as an oxygen fugacity indicator. - Origin of the Eu anomaly in lunar mare basalts. - REE partition coefficient patterns for the major minerals. - Plagioclase. - Olivine. - Pyroxene. - Low-Ca pyroxene. - High-Ca pyroxene. - Garnet. - Future directions. - Acknowledgements. - References. - Chapter 4. An Approach to Trace Element Modeling Using a Simple Igneous System as an Example / by Gilbert N. Hanson. - Introduction. - Review of trace element equations. - Melting. - Fractional crystallization. - Melting versus fractional crystallization. - Essential structural constituents. - Example of petrogenetic approach. - Discussion and summary. - Acknowledgements. - References. - Chapter 5. Rare Earth Elements in Upper Mantle Rocks / by W. F. McDonough and Fredrick A. Frey. - Introduction. - Massive peridotites. - Massive peridotites: dominantly lherzolite Western Alps - Lanzo. - Western Alps -Baldissero, Balmuccia. - Eastern Liguria, Italy. - Western Liguria, Italy. - Eastern Pyrenees - France. - Ronda, Spain Effects of late stage alteration on REE. - What can be inferred about the melting process and the segregated melts?. - Massive peridotites: pyroxenite layers and veins and their wall rocks. - Amphibole-bearing pyroxenite veins. - Anhydrous pyroxenite layers. - How were the pyroxenite layers created? Evidence for multistage processes. - Implications for mantle enrichment processes (metasomatism). - Massive peridotites: dominantly harzburgite. - Oceanic peridotites. - Ultramafic xenoliths. - Group I spinel peridotites. - Garnet peridotites. - Pyroxenite and related xenoliths. - Models for REE abundance trends in peridotite xenoliths. - Megacrysts, minerals in xenoliths and damong inclusions. - Megacrysts. - Minerals in peridotites and pyroxenites. - Inclusions in diamonds. - Summary: comparison of peridotites from massifs and xenoliths and implications of REE data for Upper Mantle composition. - Acknowledgements. - References. - Chapter 6. Rare Earth Elements in Metamorphic Rocks / by Richard I. Grauch. - Introduction. - REE residence in metamorphic rocks. - REE mobility during metamorphism. - REE content of metamorphic rocks. - Suggestions for future work. - Acknowledgements. - References. - Chapter 7. Rare Earth Elements in Sedimentary Rocks: Influence of Provenance and Sedimentary Processes / by Scott M. McLennan. - Introduction. - Rare earth element properties and sedimentary rocks. - Cosmochemical considerations. - Geochemical considerations. - Aqueous geochemistry. - Normalizing and notation. - Sedimentary processes. - Weathering. - Diagenesis. - Sedimentary sorting. - REE and provenance studies. - Sedimentary rocks and crustal abundances. - Sedimentation and plate tectonics. - Archean sedimentary rocks and the Archean crust. - Archean greenstone belts. - REE in sedimentary rocks and crustal evolution. - Acknowledgements. - References. - Chapter 8. Aqueous Geochemistry of Rare Earth Elements / by Douglas G. Brookins. - Introduction. - The trivalent lanthanides (Ln III). - Types of complexes in solution. - Hydrolysis products. - Phosphate complexes. - Carbonate complexes. - Halide complexes. - Complexes with total dissolved sulfur. - Gadolinium-Terbium fractionation?. - Scandium and Yttrium. - Europium (II). - Cerium (IV). - Eh-pH diagrams. - Cerium. - Europium. - Other lanthanides. - Lanthanides in ocean waters. - Lanthanides and actinides. - Concluding remarks. - Acknowledgements. - References. - Chapter 9. Rare Earth Elements in Lunar Materials / by Larry A. Haskin. - Introduction. - The nature of planet moon. - The magma ocean hypothesis and its presumed products. - Lunar REE patterns. - Highland plutonic rocks. - Anorthosites. - Durâtes, troctolites, norites, and gabbros. - Lunar felsite (granite). - Highland volcanic rocks: KREEP. - Mare basalts. - Mare basalt sources as magma ocean products. - Assimilation of crusted material during basalt petrogenesis. - Glassy spherules. - Soils and breccias. - Caveat. - Acknowledgements. - References. - Chapter 10. Compositional and Phase Relations among Rare Earth Element Minerals / by Donald M. Burt. - Introduction. - Geochemical background. - Minerals. - Coupled substitutions. - Vector treatment. - Application to selected mineral groups. - Fluorides. - Carbonates. - Fluorocarbonates. - Monazite, xenotime, zircon, and related phases. - Apatites. - Florencite and related phases. - A-B oxides (niobates, tantalates, titanates, ferrites). - Fergusonitelbetafergusonite, ABO4. - Perovskite, ABO3. - Aeschyniteleuxenite, AB2O6. - Pyrochlore, A1-2B2O6(O,F,OH). - Allanite. - Titanite. - Garnet. - Gadolinite. - Chevkinite/perrierite. - Element distributions: acid-base relations. - Summary. - Acknowledgemen

Note: Contents: List of contributors. - Preface. - 1 An Overview of Rates of Chemical Weathering / S. M. Colman and D. P. Dethier. - PART I KINETICS AND MECHANISMS OF WEATHERING REACTIONS. - 2 The Relations between Crystal Structure and Silicate Weathering Rates / R. A. Eggleton. - 3 The Dissolution Rate of Forsteritic Olivine from Hawaiian Beach Sand / D. E. Grandstaff. - 4 Stoichiometry of Alkali Feldspar Dissolution at Room Temperature and Various pH Values / G. R. Holdren, Jr. and P. M. Speyer. - 5 Rate Limitation and Dissolution of Highly Soluble Minerals / J. B. Laronne. - PART II RATES OF MINERAL ALTERATION IN SOIL ENVIRONMENTS. - 6 The Etching of Hornblende Grains in the Matrix of Alpine Tills and Periglacial Deposits / R .D. Hall and R. E. Martin. - 7 Rates of Hornblende Etching in Soils on Glacial Deposits, Baffin Island, Canada / W. W. Locke. - 8 Rates of Mineral Weathering in the Wind River Mountains, Western Wyoming / W. C. Mahaney and D. L. Halvorson. - 9 Evolution of Iron Crusts in Tropical Landscapes / D.B. Nahon. - 10 Processes and Rates of Weathering in Cold and Polar Desert Environments / F. C. Ugolini. - PART III WEATHERING OF VOLCANIC ASHES AND DEPOSITS. - 11 Weathering of Holocene Airfall Tephras in the Southern Canadian Rockies / R. H. King. - 12 Controls on the Rates of Weathering and Clay Mineral Genesis in Airfall Tephras: A Review and New Zealand Case Study / D. J. Lowe. - 13 Rates of Weathering of 14C-Dated Late Quaternary Volcaniclastic Deposits in the Western United States / V. E. Neall and I. K. Paintin. - 14 Chemical Weathering of the May 18, 1980, Mount St. Helens Ash Fall and the Effect on the Iron Creek Watershed, Washington / A. F. White and L. V. Benson and A. Yee. - PART IV RATES OF FORMATION OF ROCK-WEATHERING FEATURES. - 15 Levels of Time Information in Weathering Measurements, with Examples from Weathering Rinds on Volcanic Clasts in the Western United States / S. M. Colman. - 16 Weathering Rates in Granitic Boulders Measured by P-Wave Speeds / R. Crook, Jr. and A. R. Gillespie. - 17 Growth of Weathering Rinds on Torlesse Sandstone, Southern Alps, New Zealand / I. E. Whitehouse and M. J. McSaveney and P. L. K. Knuepfer and T. J. H. Chinn. - PART V HYDROCHEMICAL STUDIES OF RATES OF WEATHERING. - 18 The Mathematical Basis for Determining Rates of Geochemical and Geomorphic Processes in Small Forested Watersheds by Mass Balance: Examples and Implications / M. A. Velbel. - 19 An Estimate of Plagioclase Weathering Rate in the Idaho Batholith Based upon Geochemical Transport Rates / J. L. Clayton. - 20 The Use of Catchment Studies for Assessing Chemical Weathering Rates in Two Contrasting Upland Areas in Northeast Scotland / J. Creasey and A. C. Edwards and J. M. Reid and D. A. MacLeod and M. S. Cresser. - 21 Weathering Rates and the Chemical Flux from Catchments in the Pacific Northwest, U.S.A. / D. P. Dethier. - 22 Rates of Weathering and Erosion Derived from Mass Balance in Small Drainage Basins / T. Paces. - 23 Processes and Rates of Saprolite Production and Erosion on a Foliated Granitic Rock of the Virginia Piedmont / M. J. Pavich. - Index.

Note: Contents Foreword xi OPENING ADDRESSES Professor G.O.P. Obasi, Secretary General, World Meteorological Organization Dr M.K. Tolba, Executive Director, United Nations Environment Programme Dr F. Mayor, Director General, United Nations Educational, Scientific and Cultural Organization Professor M.G.K. Menon, President, International Council of Scientific Unions Dr H. de Haen, Assistant Director General, Food and Agriculture Organization SCIENTIFIC AND TECHNICAL SESSIONS HIGHLIGHTS OF THE IPCC ASSESSMENT The Intergovernmental Panel on Climate Change (IPCC) / B. Bolin Scientific Assessment of Climate Change: Summary of the IPCC Working Group I Report / J.T. Houghton Greenhouse Gases and Other Climate Forcing Agents / U. Siegenthaler and E. Sanhueza Climate Change Prediction / J. F. B. Mitchell and Zeng Qingcun Climate Trends and Variability / M. Coughian and B.S. Nyenzi Climate Change Impact Studies: The IPCC Working Group II Report / Yu. Izrael Impacts on Hydrology and Water Resources / H.E. Lins, I.A. Shiklomanov and E.Z. Stakhiv Impact of Climate Change on Agriculture, A Critical Assessment / S.K. Sinha Potential Impacts of Climate Change on Human Settlements, the Energy, Transport and Industrial Sectors; Human Health and Air Quality / M. Hashimoto and S. Nishioka The Response Strategies Working Group of the IPCC / F. Bernthal The Greenhouse Marathon: Proposal for a Global Strategy / P. Vellinga and R.J. Swart Adaptation Measures / K.M. Sarma Limitation Strategies / K. Yokobori Report of the IPCC Special Committee on the Participation of Developing Countries / J. Ripert OVERVIEW OF THE WORLD CLIMATE PROGRAMME The World Climate Programme: Achievements and Challenges / J.P, Bruce Modern Data and Applications: World Climate Data Programme, World Climate Applications Programme / V.G. Boldirev Overview of the World Climate Research Programme / P. Morel World Climate Impact Studies Programme / J.C.I. Dooge CLIMATE RESEARCH Global Climate, Energy and Water Cycle / G.A. McBean Remote Sensing and Global Climate Change: Water Cycle and Energy Budget / H. Grassl World Ocean Circulation and Climate Change: Research Programmes and a Global Observing System / D.J. Baker Short Term Climate Variability and Predictions / J. Shukia Paleodata, Paleoclimates and the Greenhouse Effect / H. Oeschger Climate Prediction Based on Past and Current Analogues / M.I. Budyko Detection of the Enhanced Greenhouse Effect on Climate / T.M.L. Wigley and S.C.B. Raper CLIMATE CHANGE AND SOCIO-ECONOMIC ACTIVITIES Water Climate, Water and Development / J. Sircoulon Drought Issues for the 1990s / M.H. Glantz and W. Degefu Agriculture and Food Agriculture and Food Systems / M.S. Swaminathan The Potential Effect of Climate Changes on Agriculture / M. Parry and Zhang Jiachen Oceans, Fisheries and Coastal Zones Effects of Global Climatic Change on Marine Ecosystems and Fisheries / T. Kawasaki Sea Level Rise and Coastal Zone Management / E.M. Eid and C.H. Huisbergen Energy Beginning to Reduce Greenhouse Gas Emissions need not be Expensive: Examples from the Energy Sector / E. Mills, D. Wilson and TB. Johansson Land Use and Urban Planning Climate and Land Use in North Africa / M. Kassas Climate and Urban Planning / R. Taesler Human Dimensions Human Well-being, Diseases and Climate / W.H. Weihe and R. Mertens Population and Global Climate Change / D. Norse Public Information and Attitudes / R. Lamb Environment and Development Climate, Environment and Ecology / W.H. Schlesinger Climate, Tropical Ecosystems and the Survivability of Species / P. Olindo Some Possible Impacts of Climate Change on African Ecosystems / C.H.D. Magadza Forests Forests: Their Role in Global Change, with Special Reference to the Brazilian Amazon / E. Salati, R.L. Victoria, L.A. Martinelli and J. E. Richey Integrated Studies Climate Change and Risk Management / K. Turner, T. ORiordan and R. Kemp Climate, Climate Change, and the Economy / N.S. Jodha and W.J. Maunder Assessing the Regional Implications of Climate Variability and Change / W.E. Riebsame and A. Magalhaes SPECIAL PRESENTATION Climate Change and the United Nations Conference on Environment and Development / M.F. Strong TASK GROUPS AND CONSULTATION GROUP REPORTS Task Group I Climate, Hydrology and Water Resources Task Group 2 Agriculture and Food Task Group 3 Oceans, Fisheries and Coastal Zones Task Group 4 Energy Task Group 5 Land Use and Urban Planning Task Group 6 Human Dimensions of Climate Change Task Group 7 Environment and Development Task Group 8 Forests Task Group 9 WCP Overview Task Group 10 The World Climate Programme: Overview and Future Task Group 11 Scientific Components of International Agreements Task Group 12 Synthesis Consultation Group on the Special Needs of Developing Countries SUMMARIES OF PANEL DISCUSSIONS Global Climate Analogues and Global Climate Models Climate and Environmentally Sustainable Economic Development Industry's Response Co-operation in International Research Programmes CONFERENCE STATEMENT MINISTERIAL SESSIONS OPENING CEREMONY Introduction by Prof. G.O.P. Obasi, Secretary General, WMO H.E. Mr. Arnold Koller, President of the Swiss Confederation His Majesty King Hussein Bin Talal, of the Royal Hashemite Kingdom of Jordan The Rt. Hon. Margaret Thatcher, Prime Minister of the United Kingdom of Great Britain and Northern Ireland H.E. Mr. Michel Rocard, Prime Minister of France The Rt. Hon. Edward Fenech-Adami, Prime Minister of Malta The Rt. Hon. Bikenibeu Paeniu, Prime Minister of Tuvalu Statement by Dr. E. Saouma, Director General, FAO CLOSING CEREMONY Statement by Dr. F. Mayor, Director General, UNESCO MINISTERIAL DECLARATION Appendix 1 SWCC Inter-Agency Committees Appendix 2 Poster Session Papers Appendix 3 Statement by Environmental Non-Governmental Organizations Appendix 4 Participants at the Scientific/Technical Sessions Appendix 5 Countries and Organizations Represented at the Ministerial Sessions Appendix 6 Participating Non-Governmental Organizations Appendix 7 Acronyms Appendix 8 Units

Note: CONTENTS Preface Symbols Introduction Test procedure Theory Evaluation of the experimental results Example evaluation Results and discussion Literature cited Appendix A. Measured and computed discharge

Note: CONTENTS Abstract Preface Introduction Data collection and processing Analysis General Variations in ridging Ridge height distributions Occurrence of high ridges The tail of the distribution Extreme values Applications to offshore design Conclusions Literature cited Appendix A. Tabulated ice ridge data

Note: CONTENTS Abstract Preface Conversion factors Introduction Descriptions of road test sections Test equipment and procedures. Field repetitive plate bearing tests Data analysis General Layered-elastic analysis of the pavement systems Statistical analysis. Flexural analysis Summary and conclusions Literature cited Appendix A: Resilient surface deflections for the test points

Note: CONTENTS Abstract Preface Introduction Locale and techniques Observations Vertical variations in crystal orientation Regional variations in crystal orientation Summary of observations Causes Initial ice skim Earth’s magnetic field Currents Conclusions and consequences Literature cited

Note: CONTENTS Abstract Preface Conversion factors Introduction Descriptions of road test sections Test equipment and procedures Field repetitive plate bearing tests Data analysis General Layered-elastic analysis of the pavement systems Statistical analysis Flexural analysis Summary and conclusions Literature cited Appendix A: Resilient surface deflections for the test points

Note: CONTENTS Abstract Preface Introduction Previous work Methods and results Methods of analysis Salinity-chlorophyll a associations Discussion Comparison of ice and water column standing crops Estimated mass of ice associated chl. a Mechanism of ice algae formation in the Weddell Sea Differences between the biological environments of fast and drifting pack ice Conclusions Literature cited Appendix A. Species variations - ice and water column

Note: CONTENTS Abstract Preface Introduction Test sites and ice cover properties Beam testing Results Discussion Conclusions Literature cited

Note: CONTENTS Abstract Preface Nomenclature Introduction Segregation freezing Analysis Heat conduction in the nascent ice layer Water flow in the unfrozen soil Heat transfer in the unfrozen soil Energy balance at the segregation-freezing front Numerical computation Literature cited Appendix A. Essence of Portnov’s method Appendix B. Frost-heaving without air available

Note: CONTENTS Abstract Preface Summary Introduction Background Objective and procedure Theory of plane surface waves Waveguide design and characteristics Physical apparatus Frequency characteristics Spatial distribution of Ey above the guide Guide wave length Surface wave interaction with a slab discontinuity Experiments with a trough Discussion and conclusions Literature cited

Note: CONTENTS Abstrac Preface Introduction Analysis of stress Geometry of the Mohr circle Stress characteristic directions Analysis of strain rate Constitutive equations Strain-rate characteristic directions Constitutive geometry Strain-rate tensor The dyadic expression Plastic work rate Coordinate transformation Example The stress solution Velocity equations in the a-characteristic curvilinear coordinates The constant speed solution Velocity equations in the constant density region Solution in the first constant-density subregion Solution in the second constant-density subregion Solution in the passive region Conclusion Literature cited

Note: CONTENTS Page Abstract Preface Conversion factors: U.S. customary to metric (SI) units of measurement Background Objectives Profiling system Approach Profiling method Data reduction and interpretation Results Conclusions Recommendations Literature cited Appendix A. Comparison of ground and aerial data

Note: CONTENTS Abstract Preface Conversion factors: U.S. customary to metric (SI) units of measurement Introduction Theory Solution by superposition Solution by Fourier integral Solution by Fourier series Application and results Literature cited Appendix A: Bearing capacity of river ice for military vehicles Appendix B: Vehicle specifications Appendix C: Fortran II computer program

Note: CONTENTS Abstract Preface Foreword Introduction Terminology Principles of cutting Forces acting on a single cutter Theoretical Ideas on cutting Experimental data on cutting forces Effect of chipping depth on tool forces Effect of rake angle on tool forces Effect of relief angle on cutting forces Effect of side rake on tool forces Effect of base angle or face profile on tool forces Effect of rounding at the cutting edge Effect of tool width on cutting forces Tool compliance and force fluctuations Effect of tool speed on cutting forces Effect of rock properties on cutting forces Tool interaction and kerf spacing Effect of multiple pass cutting on tool forces Effect of tool wear on cutting forces Development of wear Energetics of cutting Energetics of parallel-motion tools Variation of specific energy with chipping depth for a single tool Effect of rake angle on specific energy Effect of relief angle on specific energy Effect of side rake on specific energy Effect of base angle or face profile on specific energy Effect of tip radius on specific energy Effect of tool width on specific energy Effect of tool speed on specific energy Variation of specific energy with rock properties Effect of kerf spacing on specific energy Effect of multiple pass cutting on specific energy Effect of tool wear on specific energy General summary Literature cited Appendix Α. Additional data for ice Appendix Β. Conversion factors: U.S. customary and metric units of measurement

Note: CONTENTS Abstract Preface Conversion factors: US, customary to metric (SI) units of measurement Introduction Infrared camera Core samples State House State House Annex State Library Legislative Office Building Public Health Complex Highway Garage Fish and Game Offlces Supreme Court John O. Morton Building Department of Health and Welfare Laboratory Economics of roof reinsulation Conclusions and recommendations Literature cited