 | | Book (edition) | | present a concise account of the origin, mode of occurrence, and To keep the classification of metalliferous...Banka and Billiton The Stanniferous Alluvia of Australia and Tasmania The Stanniferous Alluvia of Saxony...this work we have endeavoured to explain the occurrence of ore deposits by presenting as concisely as...and all secondary enrichments. The mode of occurrence of an ore mass is often on the folds and fractures...the veins contain manganese ores. In Victoria (Australia) gold veins are found in contraction-fissures |  | | Book | | System of mineral classification 8 Origin and occurrence of minerals 8 Associated minerals 11 Properties...Lastly, data on the genesis, associated minerals, occurrence and application are included. The tabulated section...the minerals in this book as well. Origin and occurrence of minerals In order to gain some knowledge of...certain mineral deposit or rock, and eliminate the occurrence of some others. Examples of associated minerals...acquainted with minerals and the forms of their occurrence, and gaining a little knowledge of the character |  | | Book (edition) | | the electrochemical series, of interest in the occurrence and metallurgical treatment of ores, and chemical...crystal-symmetry is inserted. The chapter on the occurrence of minerals has been partly rewritten to include...180 183 184 185 187 189 192 197 CHAPTER V. THE OCCURRENCE OF MINERALS The Classification of Rocks I. Igneous...chemical phenomena which are of importance in the occurrence and treatment of minerals. The more active metals...From the transparency of this mineral and the occurrence in it of included material, it was thought quartz |  | | Book (edition) | | incorpo:zed in Part I, also, a chapter on the Occurrence of Mincrab ,vhich contains, among other information...From the transparency of this mineral and the occurrence in it of included material, it was thought that...axes a, and a.. The symmetry is satisfied by the occurrence of an oppcsite parallel face cutting the c-axis...Tourmaline Type, the symmetry is satisfled by the occurrence, in addition to the face 1011, of the faces 110-t...same kind, as shown in Fig. 1. Secondly, the occurrence on some crystals of quartz of faces belonging |  | | Book | | Figure 11. Phillipsite from Gads Hill, Tasmania, Australia. Phillipsite is named after the English mineralogist...{100}, {010}, {110}, {120}, and {021}. Figure 63. Epidote from Untersulzbachtal, Austria. Subject: 28 x 72...axis and still be a general crystal form. Gypsum, epidote, some feldspars, and most pyroxenes, amphiboles...CRYSTALLOGRAPHY Wi : ee ; Figure 68. ‘Byssolite’ with epidote from Knappenwand, Untersulzbachtal, NS Austria...concentric forms. Subject: 69 x 95 mm. Figure 73. Epidote from Knappenwand, Untersulzbachthal, Austria. Long |  | | Book | | Wales, P.O. Box 1, Kensington, New South Wales, Australia 2033 Lehmann, B., Institut fiir Angewandte Geologie...Silesia (Poland), in the Northern, Eastern and Western parts of Africa, and elsewhere. These ore deposits...formations. In the composition of these ore layers epidote, chlorite, quartz, barite, pyrite, phyrrhotite...stratiform ore formation is not disturbed by the occurrence of other metals. Some General Reflections Geochemical...of planktonic debris (e.g., Ames, 1959). The occurrence of recent glauconite and chamosite in Loch Etive |  | | Book | | such as quartz and feldspar, are widespread in occurrence. Others, such as platinum and diamond, are limited...is an important aid to understanding mineral occurrence. Examples of such groupings are copper, lead...metallogenic provinces; the copper-bearing area of the western United States, the tin-bearing region of Malaya...to wars. For centuries, the mineral deposits in western Europe have been an underlying cause of strife...in ores worked long ago in England (Cornwall), western China, Bohemia, and Spain that the ancients could |  | | Book | | other in a mineral are written so (Mg.Fe). Field occurrence Nearly all rocks are composed of minerals, but...brittle nature of the other two. Alteration None. Occurrence In small amounts in hydrothermal veins, often...tarnish, malleability, soluble in nitric acid. Occurrence In hydrothermal veins, or in small amounts in...ductility, readily soluble in nitric acid. hedra!. Occurrence In basaltic lavas and in sandstones and conglomerates...like garlic when heated or struck with a hammer. Occurrence In hydrothermal veins, usually in igneous and | | | Book | | other in a mineral are written so (Mg.Fe). Field occurrence Nearly all rocks are composed of minera ls. but...brittle nature of the other two. Alteration None. Occurrence In small amounts in hydrothermal veins. often...tarnish. malleability. soluble in nitric acid. Occurrence In hydrothermal veins. or in small amounts in...and ductil ity, readily soluble in nitric acid. Occurrence In basaltic lavas and in sandstones and cong...like garlic when heated or struck with a hammer. Occurrence In hydrotherma l veins, usually in igneous and |  | | Report (volume) | | volume were the basis for a two-day short course on Epidote Minerals held prior (June 3Ã4, 2004) to the 2004...series excellently fulfills this requirement. The epidote minerals have not yet been covered and we felt...felt that this gap should be filled. The epidote mineral group consists of important rock-forming minerals...minerals such as clinozoisite and epidote, geochemical important accessory minerals such as allanite, and minerals...structural and paragenetic similarity to the epidote minerals. Epidote minerals occur in a wide variety of rocks | | | Book | | other in a minera l are written so (Mg.Fe). Field occurrence Nearly all rocks are composed of minerals. but...brittle nat ure of the other two. Alteration No ne. Occurrence In small amounts in hyd rothermal veins. often...tarn ish, malleability, soluble in nitri c acid. Occurrence In hydrothermal veins, or in sma ll amounts in...ductility, read ily so luble in nitric acid. Occurrence In basaltic lavas and in sandstones and cong...like garlic when heated or struck with a hammer. Occurrence In hydrothermal veins. usually in igneous and |  | | Book (edition) | | green minerals including actinolite, chlorite, and epidote. Greenschist (facies). A medium-grade metamorphic...Mineralogy. The study of minerals, their formation, occurrence, properties, composition, and classification...also paired tetrahedral silicates); for example, epidote. Siltstone. A clastic sedimentary rock composed...compositional zonation. PLATE 1.2 Smithsonite from Rush Creek, Arkansas, with colors showing compositional zonation...Larvik, Norway. PLATE 1.2 Smithsonite from Rush Creek, Arkansas, with colors showing compositional zonation |  | | Book (edition) | | International (UK) Limited, London Prentice-Hall of Australia Pty. Limited, Sydney Prentice-Hall Canada Inc...eralogy â–ºTABLE 57 3.7 Specific Gravity (G) and Occurrence for Si02 and Al 2Si05 Polymorphs Mineral Composition...high-pressure metamorphic rocks â–ºTABLE •· Occurrence 3.8 Specific Gravity (G) Values for Pyralspite...display anomalous inference colors include chlorite, epidote, zoisite, jadeite, tourn1aline, and sodic amphiboles...rocks. Its very mafic composition restricts its occurrence, and other mafic minerals, containing the same |  | | Report (issue) | | _ 173 156 Chlorite _ In the oxidized zone_ 173 Epidote _ Psilomelane and wad_ 156 156 Pyrolusite _ 173...231 and relation to structural features_ _ 179 Occurrence 1 231 Relation of veins to erosion 1 180 Megascopic...bodies to character of Distribution and mode of occurrence 1 238 wall rock 1 186 Geographic distribution...215 Evans Gulch west of Weston fault.. _ _ 252 Western part of the district 1 215 Evans and South Evans...Plan of zinc carbonate ore bodies in workings of Western Mining Co., Carbonate Hill _ 232 65. Sections through |
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