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Minerals And Reactions At The Atomic Scale
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Book Synopsis Minerals and Reactions at the Atomic Scale by : Peter R. Buseck
Download or read book Minerals and Reactions at the Atomic Scale written by Peter R. Buseck and published by Walter de Gruyter GmbH & Co KG. This book was released on 2018-12-17 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 27 of Reviews in Mineralogy provides a background to the TEM as a mineralogical tool, to give an introduction to the principles underlying its operation, and to explore mineralogical applications and ways in which electron microscopy can augment our knowledge of mineral structures, chemistry, and origin. Much time will be devoted to mineralogical applications. It provides sufficient information to allow mineralogists and petrologists to have an informed understanding of the data produced by transmission electron microscopy and to have enough knowledge and experience to undertake initial studies on their own. The opening chapters cover the principles of electron microscopy and chemical analysis using the TEM; while the following chapters consider mineralogical, petrological, and geochemical applications and their implications, for both low- and high-temperature geological environments. The Mineralogical Society of America sponsored a short courses in conjunction with their annual meetings with the Geological Society of America, and this volume represents the proceedings of the eighteenth in the sequence. This TEM course was convened October 23-25, 1992, at Hueston Woods State Park, College Comer, Ohio.
Book Synopsis Reviews in Mineralogy by : Peter R. Buseck
Download or read book Reviews in Mineralogy written by Peter R. Buseck and published by . This book was released on 1992 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Surface Reactivity of Soft Minerals at the Atomic Scale by : Bahareh Zareeipolgardani
Download or read book Surface Reactivity of Soft Minerals at the Atomic Scale written by Bahareh Zareeipolgardani and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Identifying reaction mechanisms of minerals is fundamental to understand diagenesis, i.e, sedimentary rock formation, construction material, like cement or gypsum, hardening, and biomineralization. The macroscopic reaction rates of minerals are generally deduced from solution chemistry measurements. Beside the measurement of macroscopic reaction rates, the study of the reactivity of minerals includes now the investigation of the atomic mechanisms involved in the reactions. This has been made possible for two decades by the use of tools resolving nanometric objects, such as vertical scanning interferometry (VSI) and atomic force microscopy (AFM). Gypsum and calcite are among soft minerals. They are extremely widespread mineral that can be found naturally in sedimentary rocks. They are also used in many industrial fields. Gypsum (CaSO4,2H2O) is an evaporate mineral. Gypsum uses include: manufacture of wallboards, plaster of Paris, soil conditioning, and hardening retarder in Portland cement. Varieties of gypsum known as "satin spar" and "alabaster" are used for a variety of ornamental purposes; however, their low hardness limits their durability. Calcite, the most stable crystalline form of CaCO3, is moreover important as a bio-mineral and a major constituent of host rock in carbonate reservoirs, which host drinking water and natural oil and gas. When biological organisms grow their shells, they control the crystal morphology, size, orientation and even the crystal phase of precipitated calcium carbonate. This results in materials with physical and chemical properties that differ significantly from those of inorganically precipitated calcite. Gaining more insight into the surface reactivity of calcite and the effect of surface impurities will bring us one step closer to being able to synthesize biomimetic material, which mimic the properties of biogenic calcite. In this thesis, I had three main focus points. In the first part I studied the effect of stress on the dissolution mechanisms. I investigated to deduce the dissolution rate from the atomic kinetics. The second and the most extensive was the study of the influence of stress on the calcite growth and probing the role of an organic additive on the dynamics of calcite growth while applying stress. In the third part I emphasised on quantitative topographic measurements of dissolving calcite crystal over a relatively large and fixed view at vast range of pH. I considered the influence of an organic additive on the dissolution and surface reaction kinetics at this larger scale. Both macroscopic and microscopic dissolution rates can also be deduced from the dynamics of molecular events (etch pit growth, atomic step migration), but they hardly ever agree, even qualitatively, and the elaboration of a general theory linking the kinetics at the two scales is still in progress. I presented here microscopic dissolution rates of gypsum, measured by atomic force microscopy (AFM), in quantitative agreement with macroscopic rates. This agreement has been obtained in taking care to neutralize the bias induced by the force applied by the AFM tip on the surface, and to identify clearly the driving molecular mechanism. The force applied by the AFM tip on the surface has been seen to increase the solubility of the mineral, thereby introducing a bias, so I have always worked with a constant and low applied force. This result shows that the determination, among the topographic changes during the dissolution of a mineral, of the dominant one, and the measurement of its dynamics, may permit deducing from AFM experiments a reliable macroscopic dissolution rate. The transformation of loose grains into a cohesive solid requires the crystallites to grow eventually constrained by the surrounding grains. Whereas never measured, this confinement and the associated stress is expected to influence noticeably the growth, and the final properties of the material... [etc].
Book Synopsis Microscopic Properties and Processes in Minerals by : Kate Wright
Download or read book Microscopic Properties and Processes in Minerals written by Kate Wright and published by Springer Science & Business Media. This book was released on 1999-10-31 with total page 670 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the major developments in Earth Sciences in general, and mineralogy in particular, has been the growth of our understanding of the microscopic behaviour of the complex materials that make up the Earth. This has been made possible by advances in our ability to probe minerals at the atomic level, over a large range of pressure and temperature conditions. New experimental techniques include the use of scanning probe microscopies to investigate mineral surfaces, as well as the use of neutron scattering, nuclear spectroscopies and synchrotron radiation to investigate the bonding and structure of minerals. In addition, there have been major developments in computational methods so that it is now possible to calculate the electronic structure of many rock forming materials. The aim of this volume is to give a coherent survey of the latest developments in experimental and theoretical approaches to the study of microscopic propertie~ and processes in minerals. Chapters in the book cover a number of key themes in the mineral sciences such as the behaviour of minerals at extremes of pressure and temperature, ordering in complex silicates, mechanisms of water incorporation in mantle phases, the importance of reactions occurring at the mineral surface, and the ability of computational methods to provide useful, qualitative information on the bulk and surface properties of minerals. The background to several experimental techniques is covered in some detail with examples of relevance to the issues cited above.
Book Synopsis Exploring Reactivity in Aqueous Solutions and at Mineral-Water Interfaces Through the Lens of Rare Event Theory Atomic Scale Simulations by : Nikhil Rampal
Download or read book Exploring Reactivity in Aqueous Solutions and at Mineral-Water Interfaces Through the Lens of Rare Event Theory Atomic Scale Simulations written by Nikhil Rampal and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results show increasing barriers at higher concentrations, indicating hindered reaction dynamics with ions assuming locally favored molecular entities with no evidence of extended networks of ions (or DOLLOPs: Dynamically ordered liquid-like oxyanion polymers). This, in turn, controls the solution structure and alters the reaction kinetics in highly concentrated solutions, thereby frustrating nucleation. To explore the formation of these precursors in low-solubility minerals, this approach is expanded from a fundamental model of solution-phase precursor formation to the nucleation and formation of solid-phases using constant chemical potential MD simulations along with well-tempered metadynamics. Transitioning to heterogeneous nucleation, it becomes imperative to decipher the interfacial structure, dynamics, and thermodynamics of impurity incorporation on mineral-water surfaces to understand the underlying chemical reactions responsible for ion exchange, mechanism of adsorption, and mineral dissolution and growth.
Book Synopsis Mixtures and Mineral Reactions by : Jibamitra Ganguly
Download or read book Mixtures and Mineral Reactions written by Jibamitra Ganguly and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: Considerable progress has been made in our understanding of the physicochemical evolution of natural rocks through systematic analysis of the compositional properties and phase relations of their mineral assemblages. This book brings together concepts of classical thermodynamics, solution models, and atomic ordering and interactions that constitute a major basis of such analysis, with appropiate examples of application to subsolidus petrological problems. This book is written for an audience with a senior undergraduate level background in chemistry. Derivations of fundamental thermodynamic relations which are in need of reemphasis and clarification are presented.
Book Synopsis Chemical Weathering Rates of Silicate Minerals by : Arthur F. White
Download or read book Chemical Weathering Rates of Silicate Minerals written by Arthur F. White and published by Walter de Gruyter GmbH & Co KG. This book was released on 2018-12-17 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 31 of Reviews in Mineralogy reviews current thinking on the fundamental processes that control chemical weathering of silicates, including the physical chemistry of reactions at mineral surfaces, the role of experimental design in isolating and quantifying these reactions, and the complex roles that water chemistry, hydrology, biology, and climate play in weathering of natural systems. The chapters in this volume are arranged to parallel this order of development from theoretical considerations to experimental studies to characterization of natural systems. Secondly, the book is meant to serve as a reference from which researchers can readily retrieve quantitative weathering rate data for specific minerals under detailed experimental controls or for natural weathering conditions. Toward this objective, the authors were encouraged to tabulate available weathering rate data for their specific topics. Finally this volume serves as a forum in which suggestions and speculations concerning the direction of future weathering research are discussed.
Book Synopsis Molecular Modeling for the Design of Novel Performance Chemicals and Materials by : Beena Rai
Download or read book Molecular Modeling for the Design of Novel Performance Chemicals and Materials written by Beena Rai and published by CRC Press. This book was released on 2012-03-23 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: Molecular modeling (MM) tools offer significant benefits in the design of industrial chemical plants and material processing operations. While the role of MM in biological fields is well established, in most cases MM works as an accessory in novel products/materials development rather than a tool for direct innovation. As a result, MM engineers and
Book Synopsis Crustal Earth Materials by : Loren A. Raymond
Download or read book Crustal Earth Materials written by Loren A. Raymond and published by Waveland Press. This book was released on 2017-10-20 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: An understanding of rocks and the minerals that comprise them lies at the core of every geologist’s education. As more curricula combine mineralogy and petrology into a single course, Raymond and Johnson have responded with a concise introduction to the study of Earth materials. The authors have written at a level that won’t intimidate students encountering fundamental concepts for the first time, yet with enough rigor that they’ll be well prepared for future study. A broad approach to the subject that incorporates fluids and soils will appeal to instructors who teach engineering and environmental science students as well as future geoscientists. Abundant illustrations reinforce all of the ideas in the text. Many images are presented in color, with additional color images available at waveland.com/Raymond-Johnson. Problems appear throughout the book, encouraging a deeper understanding for students. Helpful appendices make it easy for instructors to assign further exercises in rock and mineral identification as well as optical mineralogy and petrography.
Book Synopsis High Temperature Gas-Solid Reactions in Earth and Planetary Processes by : Penelope King
Download or read book High Temperature Gas-Solid Reactions in Earth and Planetary Processes written by Penelope King and published by Walter de Gruyter GmbH & Co KG. This book was released on 2018-12-03 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt: High temperature gas-solid reactions are ubiquitous on planetary bodies, distributing chemical elements over a range of geologic settings and temperatures. This volume reviews the critical role gas-solid reactions play in early solar system formation, volcanism, metamorphism and industrial processes. The field evidence, experimental and theoretical approaches for examining gas-solid reaction are presented, building on advances in fields outside of Earth Sciences. Computational chemistry techniques are used to probe the nature of molecular clusters and solvation in volcanic vapors and mineral-gas reaction mechanisms. Specialised analytical methods for characterising solid reaction products are included since these reactions commonly form thin or dispersed films and metastable minerals. Finally, the volume contains rich field examples, laboratory experiments and thermodynamic modelling and kinetics of gas-solid reactions on Earth, Venus and beyond.
Download or read book Encyclopedia of Geology written by and published by Academic Press. This book was released on 2020-12-16 with total page 5634 pages. Available in PDF, EPUB and Kindle. Book excerpt: Encyclopedia of Geology, Second Edition presents in six volumes state-of-the-art reviews on the various aspects of geologic research, all of which have moved on considerably since the writing of the first edition. New areas of discussion include extinctions, origins of life, plate tectonics and its influence on faunal provinces, new types of mineral and hydrocarbon deposits, new methods of dating rocks, and geological processes. Users will find this to be a fundamental resource for teachers and students of geology, as well as researchers and non-geology professionals seeking up-to-date reviews of geologic research. Provides a comprehensive and accessible one-stop shop for information on the subject of geology, explaining methodologies and technical jargon used in the field Highlights connections between geology and other physical and biological sciences, tackling research problems that span multiple fields Fills a critical gap of information in a field that has seen significant progress in past years Presents an ideal reference for a wide range of scientists in earth and environmental areas of study
Book Synopsis Energy Materials Coordinating Committe (EMaCC): Fiscal Year 1996 Annual Technical Report by :
Download or read book Energy Materials Coordinating Committe (EMaCC): Fiscal Year 1996 Annual Technical Report written by and published by DIANE Publishing. This book was released on with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Theoretical and Technological Aspects of Crystal Growth by : Roberto Fornari
Download or read book Theoretical and Technological Aspects of Crystal Growth written by Roberto Fornari and published by . This book was released on 1998 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present publication comprises the proceedings of the 10th International Summer School on Crystal Growth. It is an excellent introduction to the main features of the science and technology of crystal growth.
Book Synopsis Rock-forming Minerals by : William Alexander Deer
Download or read book Rock-forming Minerals written by William Alexander Deer and published by Geological Society of London. This book was released on 1997 with total page 790 pages. Available in PDF, EPUB and Kindle. Book excerpt: Looking mainly at the amphiboles, this volume has added sections on deerite, howieite and multiple-chain silicates (biopyriboles). This edition includes results of recent research into amphiboles. Each chapter is headed by a brief tabulation of mineral data and a sketch showing optical orientation. Diagrams of the crystal structures are presented and followed by discussion of the structural features, making use of data from spectroscopic and diffraction experiments. The chemical sections include over 550 analyses from which structural formulae have been calculated, illustrating the range of chemical and paragenetic variation exhibited by each mineral. There are results of P-T experiments, thermochemical and computer modelling techniques. The principal modes of occurrence are described in the paragenesis sections emphasizing correlations with chemistry.
Book Synopsis Karst Hydrogeology, Geomorphology and Caves by : Jo De Waele
Download or read book Karst Hydrogeology, Geomorphology and Caves written by Jo De Waele and published by John Wiley & Sons. This book was released on 2022-06-21 with total page 916 pages. Available in PDF, EPUB and Kindle. Book excerpt: Karst Hydrogeology, Geomorphology and Caves A Comprehensive Resource Covering All Aspects of Karst Hydrogeology, Geomorphology, and Caves This essential book covers all physical, chemical, and geological aspects of karst science. It reviews current knowledge on hydrogeology, geomorphology and caves in karst, based on the vast existing literature and investigations carried out by the authors worldwide. The different topics are profusely illustrated with color figures and images from all continents and climates, showing the scientific and aesthetic appeal of karst environments. The book covers in a systematic way the significant features of karst rocks, the chemistry and kinetics of their dissolution, the rate and distribution of karst denudation, the unique hydrogeology of karst terrains, the landforms endemic to karst, the morphology of caves and their diverse sedimentary records, and the multiple processes that lead to the formation of underground voids. Overall, the work reflects the increasing recognition of karst as a fundamental part of the Earth’s dynamic systems, and helps readers understand this multidisciplinary field from a holistic and nuts-and-bolts perspective. Some of the ideas discussed within the book include: How karst is gaining importance for human development, because of its valuable resources (groundwater) and associated environmental problems (impacts and hazards) The enormous technological developments achieved in recent years Recent major breakthroughs in the field and their influence on other scientific disciplines The central role played by karst science for understanding and mitigating global environmental issues (global warming, depletion of resources, human-induced hazards) For all scientists working in karst, and for students and lecturers of karst-related programs, this book serves as a valuable all-in-one source. It is also a valuable resource for professional hydrogeologists, the petroleum industry, environmental geologists, and of course speleologists, the last true geographic explorers in the world.
Book Synopsis Material Research in Atomic Scale by Mössbauer Spectroscopy by : Miroslav Mashlan
Download or read book Material Research in Atomic Scale by Mössbauer Spectroscopy written by Miroslav Mashlan and published by Springer Science & Business Media. This book was released on with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :McLemore, Virginia T. Publisher :Society for Mining, Metallurgy, and Exploration ISBN 13 :0873353552 Total Pages :208 pages Book Rating :4.8/5 (733 download)
Book Synopsis Sampling and Monitoring for the Mine Life Cycle by : McLemore, Virginia T.
Download or read book Sampling and Monitoring for the Mine Life Cycle written by McLemore, Virginia T. and published by Society for Mining, Metallurgy, and Exploration. This book was released on 2014-05-28 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sampling and Monitoring for the Mine Life Cycle provides an overview of sampling for environmental purposes and monitoring of environmentally relevant variables at mining sites. It focuses on environmental sampling and monitoring of surface water, and also considers groundwater, process water streams, rock, soil, and other media including air and biological organisms. The handbook includes an appendix of technical summaries written by subject-matter experts that describe field measurements, collection methods, and analytical techniques and procedures relevant to environmental sampling and monitoring. The sixth of a series of handbooks on technologies for management of metal mine and metallurgical process drainage, this handbook supplements and enhances current literature and provides an awareness of the critical components and complexities involved in environmental sampling and monitoring at the mine site. It differs from most information sources by providing an approach to address all types of mining influenced water and other sampling media throughout the mine life cycle. Sampling and Monitoring for the Mine Life Cycle is organized into a main text and six appendices that are an integral part of the handbook. Sidebars and illustrations are included to provide additional detail about important concepts, to present examples and brief case studies, and to suggest resources for further information. Extensive references are included.
