Advanced Mineralogy: Volume 1 Composition, Structure, and by R. H. Mitchell, M. I. Novgorodova, E. I. Semenov (auth.),

By R. H. Mitchell, M. I. Novgorodova, E. I. Semenov (auth.), Prof. Dr. A. S. Marfunin (eds.)

All current introductory experiences of mineralogy are written accord­ ing to an analogous set of rules, often referred to as the "Dana method of Mineralogy". Even smooth complex handbooks, that are cer­ tainly invaluable, comprise easy facts on minerals and are primarily descriptive. while simple info at the chemistry, constitution, optical and actual houses, special beneficial properties and para­ genesis of 200-400 minerals is gifted, then there's virtually no extra area on hand to incorporate new rules and ideas in line with fresh mineral reports. a potential strategy to this problem will be to give a publication starting the place introductory textbooks finish for these already famil­ iar with the ordinary options. this type of quantity will be adapted to experts in all fields of technological know-how and undefined, attracted to the latest leads to mineralogy. This procedure might be known as complex Mineralogy. right here, an try out has been made to survey the present probabilities and goals in mineral subject investigations, together with the most features of the entire tools, an important difficulties and subject matters of mineral­ ogy, and comparable reviews. the person volumes are composed of brief, condensed chap­ ters. every one bankruptcy provides in an entire, albeit condensed, shape particular difficulties, tools, theories, and instructions of investigations, and estimates their significance and strategic place in technology and industry.

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Additional info for Advanced Mineralogy: Volume 1 Composition, Structure, and Properties of Mineral Matter: Concepts, Results, and Problems

Example text

Sensitivity Analysis Sensitivity analysis (Hendrickson 1984) may be used to estimate the influence of various factors that simultaneously are affecting a value which is a random variable. It examines the magnitude of change occurring in a dependent variable for specific changes in each independent variable successively as all other independent variables are held constant. The methodology normally employs stepwise multilinear regression to determine the degree of influence each factor has on the total variance of the system.

Mineralogy of the mantle, meteorites, and Moon is considered in special Chapters of Vol. 3. 28 Chapter 1. The Chemical Nature of Minerals silicates, carbides, and nitrides) and only two (armalcolite and tranquilitite) on the Moon. The increase in the total number of minerals has depended on several factors: introduction in mineralogy of the new methods (after optics and wet chemistry, X-ray diffraction, instrumental analytical methods, and especially microprobes), the industrial use of new types of mineral resources (uranium, thorium, rare metals, rate earths, borates) and new geological types of ore deposits, the enormous development of prospecting and mapping, detailed mineralogical studies of large ore deposits and the largest intrusive massifs, especially such unique massifs as the Khibin massif in the Kola peninsula (where more than 500 minerals were described), Green River, Tsumeb, Franklin, and other mineral deposits.

Montmorillonite/mica with different proportions of the two components. Similar nonstoichiometry can occur, for example, in manganese oxides and hydroxides with mixed-tunnel structures. Nonstoichiometric chemical composition can also occur for minerals with "recombinations structures" (a term recommended by the nomenclature commission of the International Union of Crystallography). These structures are formed when topologically simple parent structures are periodically divided into blocks, rods or slabs, which in turn are recombined into derivative structures by means of one or more structure-building operations (unit-cell twinning, crystallographic shear planes, intergrowth of blocks, periodic out-of-phase or antiphase boundaries, rotation of rods and blocks, vernier principle).

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