Ore Geology and Industrial Minerals: An IntroductionMuch new data and many new ideas have emerged in the area of ore geology and industrial minerals since publication of the second edition of this text in 1987. The overriding philosophy behind this new edition is the inclusion and integration of this new material within the established framework of the text. The third edition is re-presented in the modern double-column format. Non-metallic deposits of industrial and bulk materials are fully covered to meet the changing emphasis of courses in applied geology. In addition, chapter 1 has been considerably enlarged to include a section on mineral economics covering metals, industrial minerals and bulk materials. In this section, the various aspects of economic exploitation of industrial and bulk materials are compared with those of metallic deposits. Other major revisions and additions include a section on fluid inclusions, expansion of the section on wall rock alteration, expansion of the material on isotope studies, and the inclusion of a section on hydraulic fracturing and seismic pumping. |
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Page v
... vein association and some other hydrothermal deposit types, 213 Strata-bound deposits, 233 Sedimentary deposits, 244 Residual deposits and supergene enrichment, 262 Industrial minerals, 272 Short notes on selected industrial minerals ...
... vein association and some other hydrothermal deposit types, 213 Strata-bound deposits, 233 Sedimentary deposits, 244 Residual deposits and supergene enrichment, 262 Industrial minerals, 272 Short notes on selected industrial minerals ...
Page 25
... level than their normal crustal abundance. The degree of enrichment is termed the concentration factor and typical values are shown in Table 1.9. Sandstone Fig. 2.2 Vein occupying a normal fault and exhibiting. MINERAL ECONOMlCS 25.
... level than their normal crustal abundance. The degree of enrichment is termed the concentration factor and typical values are shown in Table 1.9. Sandstone Fig. 2.2 Vein occupying a normal fault and exhibiting. MINERAL ECONOMlCS 25.
Page 26
... veins (sometimes called fissure-veins) and lodes (Fig. 2.2). In the past, some workers have made a genetic distinction between these terms; veins were considered to have resulted l' fluorite zone r _ :- Mineral veins \\\ J. 26 2: The ...
... veins (sometimes called fissure-veins) and lodes (Fig. 2.2). In the past, some workers have made a genetic distinction between these terms; veins were considered to have resulted l' fluorite zone r _ :- Mineral veins \\\ J. 26 2: The ...
Page 27
... veins and the term lode be dropped. Veins are often inclined, and in such cases, as with faults, we can speak of the hanging wall and the footwall. Veins frequently pinch and swell out as they are followed up or down a stratigraphical ...
... veins and the term lode be dropped. Veins are often inclined, and in such cases, as with faults, we can speak of the hanging wall and the footwall. Veins frequently pinch and swell out as they are followed up or down a stratigraphical ...
Page 28
... veins. Where the shear zones intersected subhorizontal fractures the first tension veins were formed. (c) Further mineralization as movement continued with displacement of earlier formed subhorizontal veins. (Simplified from a diagram ...
... veins. Where the shear zones intersected subhorizontal fractures the first tension veins were formed. (c) Further mineralization as movement continued with displacement of earlier formed subhorizontal veins. (Simplified from a diagram ...
Contents
Part 2 Examples of the more important types of ore deposit | 97 |
Appendix Formulae of some minerals mentioned in the text | 345 |
References | 347 |
Index | 379 |
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Common terms and phrases
Archaean associated Australia baryte basalts base metal basins bauxites belts breccia carbonate carbonatite chalcopyrite Chapter chlorite chromite classification clay Complex concentration contain continental country rocks crust crystallization deposit type deposits occur diamonds dolomite economic environment epigenetic evaporites example facies faults field first flow fluid inclusions fractures genesis geological gold grade grains granites graphite host rocks hydrothermal hydrothermal solutions igneous important industrial minerals intrusions iron formation isotopic kimberlites komatiitic lamproites layers lead limestone magma magnetite manganese mantle massive sulphide deposits metamorphic mining Modified molybdenum nickel oceanic orebodies oxide pegmatites peridotite Phanerozoic placers plutonic porphyry copper deposits Precambrian present produced Proterozoic pyrite pyrrhotite quartz regional rifting sea water sedimentary sediments sericite shales significant silicate skarn sphalerite stockwork stratiform suggested sulphide sulphur tectonic temperature thick tion uranium USSR veins volcanic wall rock alteration Western zone