Seit dem Erscheinen meines "Lexikon der Steinzeit" sind ber 12 Jahre vergangen. In dieser Zeit hat es zahlreiche neue wissenschaftliche Erkenntnisse gegeben, die eine v llige berarbeitung notwendig erscheinen lassen, damit es dem neuesten Stand entspricht. Es gibt kein vergleichbares arch ologisches Lexikon in dieser umfassenden und ausf hrlichen Form, damit ist es einmalig auf dem deutschen Buchmarkt. Es umfasst sowohl die menschliche Evolution, die Steinzeit in ihrem gesamten Umfang, sowie geologische und biologische Daten. Die Entwicklung des Menschen und seiner Kultur ist ein sehr aktuelles Thema, zu dem auch die Tagespresse immer Nachrichten ber neue Entdeckungen in aller Welt bringt und so die Aufmerksamkeit auf den Prozess der vor etwas 3 Millionen Jahren begonnenen Menschwerdung lenkt (Doz. Dr. Karel Valoch, DSc., Br nn). Es wendet sich zun chst an den Interessierten. In einer Zeit, da Studium und Lehre auf den Universit ten immer mehr eingeengt wird, mag es sogar als Orientierungshilfe zuk nftiger Wissenschaftler n tzlich sein, um sich seinen F cherkatalog zusammen zu stellen (Prof. Dr. Clemens Eibner, Heidelberg).

Pyrite is a widely spread natural mineral and important organic material. It participates in numerous geochemical processes, including oxidation reactions that cause acid mine drainage. In this book, the authors discuss pyrites synthesis, characterisation and uses. Topics include the use of pyrite as a concentrator of gold in laboratory and natural systems; oxidative degradation of organic pollutants by fenton reaction in pyrite suspension; potentiometric characterisation and analytical application of pyrite mineral for the assay of weak organic acids in non-aqueous media; sorption of mercury(II) to synthesised pyrite (FES2) and stabilisation via surface reaction; the pyritisation of fossils from the cretaceous period of the Langerstatte Araripe Basin, in Northeast Brazil; and pyrite phases as high pressure polymorphs of dioxides and other compounds.

Mit zahlreichen Abbildungen und zwei Tafeln unterlegtes Taschenbuch zum Bestimmen von Mineralen. Nachdruck des Originals von 1928.

In der vorliegenden Arbeit werden aus den Beanspruchungscharakteristika der Werkzeugschneide im Fr sen, Drehen und im Bohren mechanische und thermomechanische Methoden zur Schichthaftungspr fung abgeleitet. F r eine entsprechende Versuchsdurchf hrung an diamantbeschichteten Hartmetall-Wendeschneidplatten erfolgt eine Entwicklung oder Adaption der notwendigen Pr feinrichtungen bzw. -prozesse. Die Ergebnisse der Haftfestigkeitsuntersuchungen werden denen von parallel durchgef hrten Zerspanungversuchen gegen bergestellt und auf Korrelationsm glichkeiten untersucht. Als werkstattgerechte Pr fmethoden f r die industrielle Anwendung, die Aussagen ber die Zerspanungsleistung im Fr sen und Drehen bzw. im Bohren von Al-Gu legierungen liefern, resultieren der Strahlverschlei test und der Rockwelltest. Die Diskussion der Korrelationsm glichkeiten der Ergebnisse basiert dabei zum einen auf eingehenden charakterisierenden und analytischen Untersuchungen der Morphologie der diamantbeschichteten Hartmetallwerkzeuge und deren Einfluss auf das Verschlei verhalten. Zum anderen erfolgten aufgrund der sukzessiv gewonnen Erkenntnisse mehrere Entwicklungsschritte in der Werkzeugherstellung (Hartmetallherstellung, Substratpr paration und Beschichtungsprozess Kooperationspartner), so dass sich die Korrelationsbetrachtungen auf eine ausreichend gro e Eigenschaftsvielfalt der Pr flinge beziehen. Ein Benchmarking mit kommerziell erh ltlichen diamantbeschichteten Werkzeugen belegt den Erfolg dieser Entwicklung f r die angestrebte Trockenzerspanung von Al-Gu legierungen (Fr sen).

From the reviews:

"All in all, Graham Borradaile has written and interesting and idiosyncratic book on statistics for geoscientists that will be welcome among students, researchers, and practitioners dealing with orientation data. That should include engineering geologists who work with things like rock fracture orientation measurements or clast alignment in paleoseismic trenches. It wona t replace the collection of statistics and geostatistics texts in my library, but it will have a place among them and will likely be one of several references to which I turn when working with orientation data.... The text is easy to follow and illustrations are generally clear and easy to read..."(William C. Haneberg, Haneberg Geoscience)"

The United States has used multiple U.S. agencies and a private, not-for-profit entity to implement the domestic and international provisions of the Clean Diamond Trade Act (CDTA). The Departments of State and the Treasury have led U.S. efforts to implement the domestic provisions of the act; State has led the U.S. efforts to curtail trade in conflict diamonds abroad. Domestically, the Departments of State, the Treasury, Homeland Security, and Commerce, and the private entity, called the U.S. Kimberley Process Authority (USKPA), have been responsible for controlling U.S. imports and exports of rough diamonds. Internationally, State, the U.S. Agency for International Development (USAID), and the U.S. Geological Survey have helped to strengthen KPCS. Domestically, the U.S. systems for reporting rough diamond statistics and for controlling imports and exports of these diamonds are vulnerable to illicit trade. The United States has enhanced the quality of its rough diamond trade data by improving its collection processes, but work remains to be done. Also, the United States does not periodically inspect rough diamond imports or exports to ensure that the contents of the rough diamond parcels match the Kimberley Process certificates. In addition, the United States lacks an effective system for confirming receipt of imports -- a Kimberley Process requirement for avoiding possible diversions of rough diamond imports.

An introduction to ionic compounds for both mineralogists and chemists

Mineralogy and chemistry find their paths intertwined in many ways. Minerals afford chemists interesting examples of simple and complex structures, as well as practical applications of bonding, symmetry, and thermodynamics. Concurrently, the relevant chemistry enriches the mineralogist's view with a grasp of such aspects as structure, stability, and reactivity. This introduction to ionic compounds bridges the two disciplines by explaining the concepts that are used by the chemist and mineralogist in their attempts to unravel the mysteries of nature.

The lively style uses questions and answers throughout as a means to both engage the reader and enhance their understanding of the material. "Ionic Compounds: Applications of Chemistry to Mineralogy" conveys the fundamental principles of the structure and bonding in minerals and emphasizes the relationship of structure at the atomic level to the symmetry and properties of crystals. The book covers: Bonding and composition Structure of ionic compounds, including close-packing The symmetry of crystals Factors that affect the symmetry of the unit cell Morphology and color Chemical properties

Requiring no knowledge of either chemistry or mineralogy beyond the typical secondary school level, "Ionic Compounds" is an accessible and highly useful reference for both professional scientist, student, and the serious mineral collector who can benefit from a deeper understanding of the chemical and crystallographic properties of minerals.

This introduction to mineralogy for undergraduate and graduate students in geology and materials science has been designed for a semester course. Covering all aspects of mineralogy in an integrated way, it links mineral properties with broader geological processes, and conveys their economic importance throughout the text. Handy reference tables and a glossary of terms make this study an indispensable guide for the next generation of mineralogy students.

This monumental, profusely illustrated volume by two noted authorities is probably the largest single collection of data on the subject of pearls. Its enormous amount of detailed information covers their origin and history, structure, and form; the pearl fisheries of Asia, Africa, Europe, and the Americas; fascinating facts and lore on pearl-culture and pearl-farming; the gem's mystical and medicinal properties; famous pearl collections around the world; and much more. Over 180 illustrations enhance the highly readable text, sure to intrigue any lover of gems.

This book is a substantially updated, revised and extended version of the book Volcanic Successions, published by Cas and Wright back in 1987. Divided into six major parts, it offers comprehensive information on magma properties; fragmentation processes; subaerial and subaqueous lava types and field textures; sub-volcanic intrusions; explosive or pyroclastic eruptions and deposits; surface sedimentary processes; hydrothermal alteration and lithification, and effects on volcanic rock textures; terminology and approaches to describing and mapping volcanic rocks and terrains; geology of volcanoes and facies models; volcanism and tectonic setting; and to conclude, volcanic-hosted resources. It is a highly up-to-date text, presenting a coherent flow of topics, together with excellent visual material to illustrate key points and deposit features. The new authorship team consists of Ray Cas, Guido Giordano and John Wright, all of whom have extensive experience across the complete spectrum of volcanological processes and deposit types discussed in this exciting new book. The authors approach the diversity of products in volcanic terrains as facies, and use facies analysis and interpretation as a means of constructing facies models for different volcanic settings and their resources. ­The book is intended as a textbook and research reference book for senior undergraduate and graduate students, researchers and professionals alike.

This book presents select proceedings of the Indian Chemical Engineering Congress (CHEMCON-2021) under the theme "Sustainable Utilization of Resources for Chemical Mineral Sectors". It covers broad topics such as chemical reaction and processes, material science and engineering, coal and mineral processing, pyro- and hydro-metallurgical processes, environmental engineering and waste management, advanced engineering, and energy materials. This book is useful for the researchers, professionals, and policymakers interested in sustainable utilization of chemical and mineral resources.

Due to their unique porous properties, zeolites (also referred to as molecular sieves) are used in a variety of applications - major uses are in petrochemical cracking, ion-exchange (water softening and purification), and in the separation and removal of gases and solvents. Molecular Sieves: From Basic Research to Industrial Applications, Volume 158 A, B presents over 265 worldwide contributions on the latest developments in zeolitic research. Readers will find this book, which is divided into five sections: Synthesis, Characterization, Adsorption, Catalysis, and Novel applications, ideal for staying up to date on current research on porous materials.
* Comprehensive overview of current research on porous materials
* Contains experimental as well as theoretical input, reflecting the increasing overlap between theory and experiment
* Contributions from the world's leading authorities