ALBERT

Description / Table of Contents: "The geochemistry and chemistry of sulfur, iron and iron sulfides in sedimentary systems is reviewed. Sulfur microbiology is described and the microbial ecology of sulfidic sediments is discussed. Sulfur and iron stable isotope biochemistry is addressed against the background of recent advances in this field with respect to sedimentary and microbial systems. Environmental aspects of the present sedimentary sulfur cycle are considered with special references to the development of euxinia and global anoxic events. The biogeochemistry of ancient sulphur-rich sediments is considered and the evolution of the sedimentary sulfur system is discussed against the background of the evolution of the Earth surface environment. The evolution of the sulfur biome and its impact of the early development of life on Earth are discussed."--Cover

Description / Table of Contents: In recent years, there have been rapid strides in our understanding of plate-tectonic processes, many developments in methods of basin analysis, and the accumulation of much new surface and subsurface geological and geophysical data. Projects such as COCORP (in the United States) and Lithoprobe (in Canada) have provided essential insights into the deep crustal structure of the continent. Synthesis of all the available information about North America's geological regions has not been attempted systematically since the 'Decade of North American Geology' project undertaken by the Geological Society of America and the Geological Survey of Canada nearly twenty years ago. The book commences with a summary of the Phanerozoic geological history of the United States and Canada, illustrated with a suite of new paleogeographic maps, and tying in each of the subsequent regional chapters by the inclusion of numerous cross-references. This followed by a set of fifteen regional syntheses of the principal tectonic regions of the United States and Canada, focusing on the stratigraphic and tectonic history of the major sedimentary basins.Most of these chapters have been contributed by specialists, drawing on their own research, and providing interpretive summaries of a type not previously attempted. This book features: up to date synthesis of the sedimentary/tectonic history of the major areas of the United States and Canada; up to date references; and, many new coloured maps.

Description / Table of Contents: "Physical Properties of Rocks - a Workbook" is a symbiosis of a brief description of physical fundamentals of rock properties (based on typical experimental results and relevant theories and models) with a guide for practical use of different theoretical concepts. For this purpose a companion web site contains a selection of model based equations in excel worksheets for practical application and training by the user to work with his own data or to "play" in order to demonstrate the effects of various input information and to demonstrate the effects of various input information in petrophysical work. In two special chapters the problem of relationships between petrophysical parameters based on various model concepts is presented as a foundation for combined interpretation. This part also contains the author's 'structured model'. The workbook is a result of the more than 40 years experience of the author in teaching at universities and industrial courses. It presents all practical relevant properties of rock in one volume. It offers experimental and theoretical fundamentals in a systematic framework. It gives special focus on relationships between properties. - Contents: 1. Rocks - their classification and composition Overview, Introduction Igneous (magmatic) rocks Metamorphic rocks Sedimentary rocks 2. Pore space properties Overview, Introduction Porosity Specific internal surface Fluids in the pore space - the term "saturation" Permeability Wettability Fluid distribution - capillary pressure in a reservoir 3. Nuclear Magnetic Resonance (NMR) petrophysical properties Physical origin, the principle of a NMR-measurement Description of the relaxation process (longitudinal and transverse relaxation) NMR Relaxation mechanisms of fluids in pores and fluid-surface effects Bulk relaxation and surface relaxation Diffusion-induced relaxation Description of relaxation as a multi-exponential decay - data inversion Applications Porosity and pore volume partitioning Pore size, capillary pressure and permeability estimate Fluid (hydrocarbon) typing 4 Density Definition and units Density of rock constituents Density of rocks 5 .Nuclear/Radioactive Properties Fundamentals Natural radioactivity Origin of natural gamma radiation Potassium, Uranium, and Thorium in minerals Potassium, uranium, and thorium content of rocks Spectral and integral measurements - the API unit Applications Radioactive heat generation Gamma Interactions Fundamentals Gamma-Gamma-PE measurement for mineral identification Gamma-Gamma-Density measurement and porosity estimate Neutron interactions Fundamentals Porosity from neutron measurements 6. Elastic Properties Fundamentals Results of experimental investigations, empirical equations Rock constituents Velocity of igneous and metamorphic rocks Velocity of sedimentary rocks Relationships between Vp and Vs - the Castagna equation AVO (Amplitude Versus Offset) - basic principles and link to physical properties Anisotropy Theories Overview Bounds for elastic moduli: Voigt, Reuss and Hashin-Shtrikman bounds Sphere pack models nclusion models A simpified model for fractured rocks Gassman and Biot model - modelling of fluid effects The problem of multiphase pore fluids Inelastic properties - attenuation of elastic waves Overview, definition and units Absorption of elastic waves in rocks - overview Absorption of seismic waves in igneous rocks Absorption of seismic waves in sedimentary rocks Absorption mechanisms . 7 . Electrical properties Fundamentals Electrical properties of rock components Minerals - solid components Pore fluids Specific electrical resistivity of Rocks Overview The specific electrical resistivity of porous clean rocks - Archies equations Partial water saturation Archie - rocks: Theories and models Sheet models Inclusion models Capillary models Shaly sands Introduction - The Shaly Sand Problem Laminated Shaly Sands - the Poupon Equation Dispersed Shaly Sand - the Waxman-Smits Equation Dual Water Model Simandoux Equation (1963) Indonesia Equation Comparison of some shaly sand equations Dielectric properties of rocks Conduction and Polarization - the complex nature of the two processes Experimental results - the real component of permittivity Theories and models Spectral Induced Polarization Basic mechanisms Traditional parameters of IP measurements IP in ore containing rocks IP in porous rocks 8. Thermal Properties Thermal properties of minerals and pore contents Thermal properties of rocks - experimental data Overview Thermal properties of magmatic and metamorphic rocks Sedimentary rocks Some notes about thermal expansion Theories and models Sheet models - series and parallel model Sheet models - modifications and comparable mixing rules Inclusion models 9. Magnetic properties Basics and units Magnetic properties of rock constituents Magnetic properties of rocks Overview - Rock Magnetization Susceptibility range for rock types - induced magnetization Correlations between susceptibility and content of magnetic substances Natural remanent magnetization (NRM) 10. Geomechanical properties Overview, Introduction Classification parameters Fundamental geomechanical properties and processes Correlation between static and dynamic moduli Correlation between geophysical properties and strength properties 11. Relationships between petrophysical properties - fundamentals of combined interpretation Introduction and motivation Empirical equations Relationships based on sheet models Fundamentals of combined interpretation volume based models Determination of volumetric rock composition (mineral fractions, porosity) of porous rocks - 12. Model with internal structure and bonding properties The concept of a "structured model" Porosity Electrical properties - resistivity Elastic wave velocities General equation Discussion of the "porosity-factor" Discussion of the "contact elasticity-factor" Change of structure and bonding Strength properties - a relationship between velocity and strength