 | | Book | | findings of metallurgical activities any further. Old mines, ores, slags, intermediates such as ingots, smelting...socio-economic context, or the spatial distribution of mines, smelting sites and metal workshops in a mining...morphology of mineralisation on the structure of old mines has not been sufficiently recognised. This is the...metals in Europe, the Middle East, South-west and South-east Asia, South America and Africa. Recently, Roberts...Ruiz and Ruíz Taboada 1996), and at Tal-i Iblis in south-east Iran at the first half of the fifth millennium |  | | Book (edition) | | crystallizes. Galena, for example, has a cubic, magnetite an octahedral and garnet a dodeca¬ hedral habit... Octahedron: Spinel, magnetite, franklinite, chromite. Dodecahedron: Magnetite, garnet. Trapezohedron:...chalcopyrite, the blue-gray of galena, the black of magnetite, the green of malachite, etc., is in each case...yellow tarnish frequently observed on pyrite and marcasite, the purple tarnish on bornite, etc. In noting...great hardness"lmd fairly high specific gravity. In South Africa and recently in Arkansas it has been found |  | | Book | | Goethite Gold Graphite Hematite Ilmenite Lollingite Magnetite Manganite 83 83 84 84 84 84 84 85 85 85 86 87...115 116 117 119 120 121 122 Contents viii Marcasite Millerite Molybdenite Niccolite Pentlandite Platinum...Psilomelane Hematite Proustite Pyrargyrite Stannite Marcasite Niccolite Cuprite Cinnabar (in comparison with...Red/brown Anisotropic Cobaltite Pyrite Magnetite Niccolite Marcasite Pyrrhotite Enargite Ilmenite with...Millerite Graphite Pyrolusite Green Bismuthinite Marcasite Cinnabar Cuprite Blue Cubanite Goethite Yellow |  | | Book | | of Milan, Institute of Mineralogy Museum, Milan, italy ^ draga blogojevic, geologist, Trepca, Yugoslavia...Curator, Civic Museum of Natural History, Milan, ITALY ic PAUL desautels, Curator, Smithsonian Institution...FRANCE; Curator, School of Mines, Paris ^ F* HOFMANN, Professor, School of Mines, Freiberg, east Germany...j. schubnel, Pro fessor and author, School of Mines, Paris, FRANCE ^ JOHN sinkankas, author and collector...townsend, Curator, Geological Museum, Johannesburg, south Africa ^ max wiebel, Professor, Swiss Federal Institute | | | Book | | FRANCE; Curator, School of Mines, Paris 4 F. HOFMANN, Professor, School of Mines, Freiberg, EAST GERMANY...H. J. SCHUBNEL, Professor and author, School of Mines, Paris, FRANCE ¥& JOHN SINKANKAS, author and collector...TOWNSEND, Curator, Geological Museum, Johannesburg, SOUTH AFRICA ¥e MAX WIEBEL, Professor, Swiss Federal Institute...SYDNEY PIETERS, dealer and collector, Windhoek, SOUTH-WEST AFRICA }€ KAREL TUCEK, Director of Minerals...localities: the Egyptians were working gem and gold mines on the Upper Nile River, the Greeks were busy with |  | | Book | | Filrnset by Kcyspools Ltd, Golbornc, Lanes Printed in Italy 3 6 8 8 9 10 l1 11 23 30 33 36 45 205 209 2I...than explore the dumps of both active and disused mines, particularly since the latter are usually marked...andradites, diopside, epidotes, clinochlores, magnetites, and, less frequently, zoisite, apatite, titanite...serpentine rocks contain veins rich in garnets and magnetite; and here the action of water can produce very...metalliferous minerals such as chromite, pyrrhotine, magnetite and titanite. The nearer the magma is to the surface |  | | Book (volume) | | 5, for Black Forest read Odenwald. for Rhine Province read Westphalia. for in the Tirol read, Salzburg...physique. Index: ser. 1-8. 10, vol. Ann. mines. Annales des mines. (France, Ministere des travaux publiques...Mining Soc. South Africa, J. /Free. Chemical, Metallurgical and Mining Society of South Africa, Johannesburg...Chemical and Suspended Metallurgical Society of South Africa. Journal: vol. 1, 1894-date. October, 1899-May...1876-82; 1883-89. Geol. Soc. South Africa, Trans. /Proc. Geological Society of South Africa, Johannesburg. Transactions: |  | | Report (issue) | | ophyllite; 5. 2 cm tall Cerro Rico, Potosi, B,atillo province, Potosi Andy Seibel col/action Jejf-SC,m/.plwto...Yaalte: 12.5 cm wide Siglo XX Mine, ,U� Bustillo province, Potosi Malty Zinn colkdknt (ex Marv Rausch) Jase...Silver and Tin Minerals from the San Jose and Itos Mines in Oruro ... 26 BY ROBERT B. COOK The Morococala...HVRSL AND ALFREDO PETROV Cerro Huaiiaquino: Magnetite and Stromatolite ...............................specimens known for the species, and Bolivia's many mines continue to provide collectors with interesting |  | | Book | | comparative study from colleagues, institutes, and mines; many samples were collected by the writer himself...the sulphide content of a later titaniferous magnetite intrusion has migrated into an earlier underlying...peculiar bornite occurrences in the Ookiep area, Cape Province, are on one hand typical transition deposits;...observations t h a t in the majority of rocks magnetite and ilmenite belong to the earliest products of...isolated "flames" of pentlandite); 2 or 3 grains of magnetite (light grey). Various shades of dark grey are |  | Amstutz, G. C., Goresy, A. El, Frenzel, G., Kluth, C., Moh, G., Wauschkuhn, A., Zimmermann, R.A. - Eds. (1982) Ore Genesis. Springer Berlin, Heidelberg. doi:10.1007/978-3-642-68344-2 | Book | | VIII Preface and Outlook visited innumerable mines and was an indefatigable collector of ores and minerals...Pre-Witwatersrand and Witwatersrand Conglomerates in South-Africa: A Mineralogical Comparison and Bearings...38 The Tin Deposit of Monte Valerio (Tuscany, Italy): PneumatolyticHydrothermal or Sedimentary-Remobilization...and Brecciation in the Cryolite Deposit, Ivigtut, South Greenland H. Pauly (With 2 Figures) . . . . . ....Iron Formations of Precambrian Age: Hematite-Magnetite Relationships in Some Proterozoic Iron Deposits |  | Amstutz, G. C., Goresy, A. EI, Frenzel, G., Kluth, C., Moh, G., Wauschkuhn, A., Zimmermann, R.A. - Eds. (1982) Ore Genesis - The State of the Art - A Volume in Honour of Professor Paul Ramdohr on the Occasion of His 90th Birthday With Special Reference to His Main Scientific Interests - Special Publication of the Society for Geology Applied to Mineral Deposits No. 2. Springer Berlin Heidelberg. | Book | | VIII Preface and Outlook visited innumerable mines and was an indefatigable collector of ores and minerals...Pre-Witwatersrand and Witwatersrand Conglomerates in South-Africa: A Mineralogical Comparison and Bearings...38 The Tin Deposit of Monte Valerio (Tuscany, Italy): PneumatolyticHydrothermal or Sedimentary-Remobilization...and Brecciation in the Cryolite Deposit, Ivigtut, South Greenland H. Pauly (With 2 Figures) . . . . . ....Iron Formations of Precambrian Age: Hematite-Magnetite Relationships in Some Proterozoic Iron Deposits |  | | Book | | the Manganese Deposits of the Northern Cape Province (South Africa). P.G. Sohnge. With 1 Figure. . . ....to a New Genetical Concept on the Bolivian Tin Province. H.-J. Schneider and B. Lehmann. With 7 Figures...Within the Sparry Magnesite Deposit Hochfilzen (Tyrol). O. Schulz and F. Vavtar. With ORE IQUICS Be yokes...of the “Tauernfenster’” (Eastern Alps, Austria/Italy). K. Derkmann and DD: Klemm 5 case aes eins © eels...ean ee Related to the Mesozoic Ophiolites in Italy RP) Autiardss Withell Hague ee eles eg ee ee 314 |  | | Book (volume) | | ....... 56 The Spinel Series ........ 62 The Magnetite Series The Chromite Series 89 HYDROXIDES . 89...analysis of periclase from Monte Somma, Vesuvius, Italy (Damour, 1849), gave: MgO FeO 93-86 5-97 Anal:...apparently homogeneous cassiterite from Westland, South Island, New Zealand (in Hutton, 1950). Spectrographic...occurrence of a pleochroic variety of cassi¬ terite from South Africa. Trans. Geol. Soc. S. Africa, vol. 48, p...pegmatites in the northern Transvaal. Trans. Geol. Soc. South Africa, vol. 49, p. 51. Carlson, H. D., 1957. Origin |  | | | | Rigby Limited 30 North Terrace, Kent Town Adelaide, South Australia 5067 Printed in Czechoslovakia 3/02/28/51...mica, gypsum, augite, (aragonite, antimonite, marcasite, barytes, topaz) (4) tetragonal (chalcopyrite...dolomite) (6) cubic (fluorite, galena, rock salt, magnetite, garnet). Crystals are divided within the individual...perfect crystals of gypsum in clays, of garnet and magnetite in various shales, or crystals in some igneous...two different minerals of identical (pyrite and marcasite), or com- pletely different, chemical composition |  | | Book | | wolframite) (3) orthorhombic (aragonite, antimonite, marcasite, barytes, topaz) (4) tetragonal (chalcopyrite...dolomite) (6) cubic (fluorite, galena, rock salt, magnetite, garnet). Crystals are divided within the individual...perfect crystals of gypsum in clays, of garnet and magnetite in various shales, or crystals in some igneous...two different minerals of identical (pyrite and marcasite), or completely different, chemical composition...even in the thinnest sections (most sulphides, magnetite, etc.). The general conclusion to be drawn is | | | Book | | wolframite) (3) orthorhombic (aragonite, antimonite, marcasite, barytes, topaz) (4) tetragonal (chalcopyrite...dolomite) (6) cubic (fluorite, galena, rock salt, magnetite, garnet). Crystals are divided within the individual...perfect crystals of gypsum in clays, of garnet and magnetite in various shales, or crystals in some igneous...two different minerals of identical (pyrite and marcasite), or completely different, chemical composition...even in the thinnest sections (most sulphides, magnetite, etc.). The general conclusion to be drawn is |  | | Book | | Rigby Limited 30 North Terrace, Kent Town Adelaide, South Australia 5067 Printed in Czechoslovakia 3/02/28/51...wolframite) (3) orthorhombic (aragonite, antimonite, marcasite, barytes, topaz) (4) tetragonal (chalcopyrite...dolomite) (6) cubic (fluorite, galena, rock salt, magnetite, garnet). Crystals are divided within the individual...perfect crystals of gypsum in clays, of garnet and magnetite in various shales, or crystals in some igneous...two different minerals of identical (pyrite and marcasite), or completely different, chemical composition |  | | Book | | period of 40 years on many field trips, visits to mines and expeditions in many parts of the world. Many...University (1954-55 and 1961-62), at the Ministry of Mines (Ethiopian Government) in the period 1956-61 and...the metallogeny of different granitic types in South East Asia (China), Xu Keqin et al. (1982) recognized...process. Recently, Vgenopoulos (1960) has described magnetite, rutile and ilmenite in quartz veins as being...this is not a decoloration margin but actually magnetite is formed as the result of a chromospinel reacting |  | | Journal (article/letter/editorial) | | lower magnetite content; while the quartz diorite had lower color index, but higher magnetite content...content. The magnetite contents are also related to the amounts of hydrous mafic silicates. The gabbroic magma...the continental crust, and crystallized some magnetites with hypersthene and amphibole. The quartz dioritic...oxidized originally, and precipitated abundant magnetite and hydrous mafic silicates from the early crystallization...provided the most placer magnetite ores in the history. Keywords: Gabbroid, magnetite, ilmenite, mafic silicates |  | | Journal (article/letter/editorial) | | from the Paleoproterozoic Tanami orogenic gold province, northern Australia Nicholas G. Direen a,b,∗ ...May 2008 Accepted 20 May 2008 Keywords: Gold Magnetite Magnetics Paleoproterozoic Pyrrhotite Tanami ...minerals in the rocks of this region are multidomain magnetite and monoclinic pyrrhotite. Chemical analysis using...an electron microprobe has determined that the magnetite and pyrrhotite are stoichiometrically pure, without...magnetic susceptibility. In contrast, multidomain magnetites lack remanence and have high magnetic susceptibilities |  | | Journal (article/letter/editorial) | | pentlandite, and chalcopyrite with accessory amounts of magnetite, ilmenomagnetite and ilmenite, and trace amounts...violarite, hematite, and a mixture of pyrite + marcasite. Chlorite, hornblende, and garnet are the main...occasionally occupies pressure-shadow sites around magnetite (Fig. 2A, B), demonstrates enrichment toward the...commonly occupies fine fractures in the host rocks. Magnetite and ilmenomagnetite are found as euhedral to subhedral...replaced by sulfides along the ilmenite exsolutions. Magnetite and ilmenomagnetite only rarely show martitization |  | Qian, Gujie, Brugger, Joël, Skinner, William M., Chen, Guorong, Pring, Allan (2010) An experimental study of the mechanism of the replacement of magnetite by pyrite up to 300°C. Geochimica et Cosmochimica Acta, 74 (19) 5610-5630 doi:10.1016/j.gca.2010.06.035 | Journal (article/letter/editorial) | | study of the mechanism of the replacement of magnetite by pyrite up to 300 °C Gujie Qian a,b, Joël Brugger...of South Australia, Mawson Lakes, Adelaide, SA 5095, Australia b Department of Mineralogy, South Australian...experimental study into the sulfidation of magnetite to form pyrite/marcasite under hydrothermal conditions (90–300...number of ore deposits. The formation of pyrite/marcasite was studied as a function of reaction time, temperature...-volume ratio, and geometric surface area of magnetite in polytetrafluoroethylene-lined autoclaves (PTFE) |  | | Catalog/List | | AROUND THE WORLD: ANATASE - ITALY: From Solara Vai Nure, Piacenza, Italy. Microcrystalline anatase coating...each CALCITE - GOLDEN: Cairo Montenotte, Savona, Italy: Dogtooth crystal of white calcite with a golden...each CRYSTALLINE CINNABAR: Hengnan Mine, Hunan Province, China: I have had these in the catalog twice..."halfbreeds", and crystalline and massive silver. All the mines in this area are now closed, so new specimens are...EPIDOTE AND DIOPSIDE: VAL ANTRONA. DOMODOSSOLA, ITALY: Showy specimens of light to medium green epidote |  | | Journal (article/letter/editorial) | | Holladay: dolomite crystals. Unnamed ridge between South Fork and West Fork, 4.4 miles WNW of Holladay, McNairy...1869). Zechini Coal Company mine near Newcomb: marcasite (replacing fossil shells in roof of coal mine)...Spencer Clark farm, 3.5 miles NW of Huntingdon: marcasite (Schroeder 1919). Taylor Bennett farm prospect...miles NW of Huntingdon: marcasite (Schroeder 1919). Carter County Black Bear magnetite prospect, 2 miles W...W of Elk Mills: magnetite, oligoclase (King and Ferguson 1960). Blue Spring mine, 0.5 mile S of Blue |  | | Journal (issue) | | The crown now rests in the Cathedral of Monza, Italy, and is under the care of the monks of the establishment...S. I. Hallet of the Smuggler mine, writes to " Mines and Minerals " : " The nugget in question formed...lessened of late years by improved ventilation of mines, although the improve ments were forced upon mine...taking the place of the miner's lamp in lighting mines, and it is from the miner's lamp and too frequently...it was the custom to light the fire-damp in coal mines every night. It is within the mem ory of old miners |
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