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Principles of geochemical prospecting : techniques of prospecting for non-ferrous ores and rare metals /
International Series of Monographs on Earth Sciences, Volume 3: Principles of Geochemical Prospecting: Techniques of Prospecting for Non-Ferrous Ores and Rare Metals covers the developments of theoretical premises of geochemical prospecting based on existing theories of endogenic and exogenic ore-fo...
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés Ruso |
| Publicado: |
London ; New York :
Pergamon Press,
1960.
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| Colección: | International series of monographs on earth sciences ;
volume 3. |
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Front Cover; Principles of Geochemical Prospecting: Techniques of Prospecting for Non-Ferrous Ores and Rare Metals; Copyright Page; Table of Contents; FOREWORD; INTRODUCTION; CHAPTER I. METHODS OF ANALYTICAL INVESTIGATIONS; CHAPTER II. GEOCHEMICAL TRACERS (INDICATORS); Elements as geochemical indicators; Trace-elements in mineral crystal structures as indicators; Minerals as geochemical indicators; Choice of indicators; Geochemical correlations; CHAPTER III. ACCUMULATION OF METALS IN IGNEOUS AND METAMORPHIC ROCKS; Geochemical principles of accumulation and dispersion of elements
- Mobility of elementsPermeability of rocks and accumulations of metals; The concept of dispersion halos; Connection between dispersion halos and metalliferous deposit structures; Character of distribution of ore minerals in bedrock; Metalliferous mineralization; The barren mineralization; Trace elements in lattice of minerals; Dispersed mineralization; Enrichment and metalliferous mineralization; Mineralization coefficients; The shape of mineralized areas, their size, and distribution; CHAPTER IV. ACCUMULATION OF METALS IN SEDIMENTARY ROCK; Factors determining accumulation
- Mechanisms of transfers of sedimentsRequirements for precipitation and transport of metal-bearing sediments; Metal-content of sedimentary rock; CHAPTER V. PROSPECTING IN BEDROCKS; Role of supergene processes in variations of metal-content in bedrocks; Supergene migration of metals into host rocks; Correlation proportions in supergene zones and in bedrocks; Dispersion of easily mobile elements in bedrock; Geochemical prospecting for sedimentary deposits; CHAPTER VI. PROSPECTING FOR DEPOSITS WITHOUT SURFACE OUTCROPS; Locating ore bodies under loose materials of extraneous origin
- Prospecting for ore bodies within sedimentary rocksProspecting for blind ore bodies in bedrock; Structural factors; Products of hydrothermal and supergene alterations; Zoning in ore bodies and stages of hydrothermal activity; Behavior of metals in the hanging wall and footwall of ore bodies and dimensions of dispersion fields; Importance of erosion surface in prospecting for blind ore bodies; Some indications of blind ores; Testing; Interpretation of geochemical survey; Some conclusions; CHAPTER VII. ACCUMULATION OF METALS IN UNCONSOLIDATED OVERBURDEN(DISPERSION HALOS); Dispersion halos
- Factors and processes affecting development of dispersion halosModern weathering and soil-forming processes; Behavior of individual elements in soils; Behavior of copper; Behavior of lead; Behavior of zinc and cadmium; Behavior of molybdenum; Behavior of tin; Behavior of arsenic, selenium, antimony and tellurium; Behavior of gold; Behavior of silver; Behavior of nickel and cobalt; Behavior of barium and strontium; Behavior of boron; Behavior of fluorine; Ancient weathering; Aspiration of solutions by root systems; Mineralization of plant residues