 | | Journal (article/letter/editorial) | | symbolizes the conquest of the copper and turquoise mines of that region, and implies, of course, their previous...the metal united ored gold is sometimes termed electrum, and was found with the copper. Thus there are...foul' princesses buried Silver, as distinct from electrum. seems to have been at Dahshur about B. C. 2350...the princesses buried at Dahslmr, tensive gold mines in Nubia, which yielded gold free and that of Queen...been afterward employed. It is still a questiolJ iron, sulphur and oxygen, evidently the impurities in |  | | Book (volume) | | Greyish Yellow Gold , 4th Argentiferous Gold , or Electrum , 67 Genus III. SILVER . 1. Hexahedral Silver...Genus VI. IRON . 1. Octahedral Iron. Ist Subsp . Terrestrial Native Iron , Meteoric Native Iron, 97 2d...3d Greyish Yellow Gold, Argentiferous Gold, or Electrum , 67 4th Genus III. SILVER. 1. Hexahedral Silver...Genus VI . IRON . 1. Octahedral Iron . 97 Ist Subsp. Terrestrial Native Iron, Meteoric Native Iron, 2d ...Chrome-Ore. Genus IX. IRON-ORE. 1. Octahedral Iron-Ore. 1st Subsp. Common Magnetic Iron -Ore, 188 Granular |  | | Report (issue) | | oan eGORY.C.oFER DOCK NEVADA AND BUREAU OF MINES Special Publication 31 in association with the... OF NEVADA PRESS GEOLOGY Nevada Bureau of Mines and Geology Special Publication 31 University of...mineral occurrences of Nevada by Nevada Bureau of Mines and Geology All rights reserved Manufactured in...(hardcover: alk. paper) 1. Minerals—Nevada. 2. Mines and mineral resources—Neavda. 3. Minerals—Collection...Olivenite, 1.6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn collection. Photograph |  | | Book | | Mining Some Early Mines The Mines of the Developed Bronze Age Mine Systems of the Iron Age Civilisations...and their Treatment Native Copper Telluric Iron Meteoric Iron Gold The Platinum Group Metals in Antiquity...Lead Liquation lron and Steel Principal Types of Iron and Steel 205 205 201 214 216 Pa | a2 234 Pattern...Cementation 284 Processes of Making Iron and Steel The Origins of Iron and Steel Contents Vii Production...Large steeply-plunging galleries in the silver lead mines at Rajpura-Dariba, Rajasthan, dating to the later |  | | Book | | metallurgist were investigations on the history of iron and steel as well as that of copper. Prof. Dr. Marc... . 2.3.4 Industrial Phase: Developed Bronze and Iron Age and Later . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . . . 3.4.12 Iron . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . . . . . 3.6.6 Iron Placers . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . . . 5.4.12 Iron Working Slags . . . . . . . . . . . . . . . . . |  | | Book | | on back flap) Jacket design by Terence Cuneo X MINES Nickel AN HISTORICAL REVIEW f jj 2 Wav WLi\...Dr. Ing. M. Donath); the Institute of Metals; the Iron and Steel Institute; Jernkontoret (Stockholm); Librairie...similar in composition to some iron meteorites, consisting of a nickel-iron alloy containing about 8|% nickel...of the earth, in the centre of which the nickel-iron core lies embedded, is about 1,800 miles thick and...contain appreciable amounts of disseminated nickel-iron, whereas others visualise a clean separation of |  | | Book (volume) | | 138. 138. Orpiment Real- 139. gar 140 144, Iron-pyrites 148, 143 Group Marcasite Pyrrhotite ...Mispickel 150. 151 Ores 151. Haematite Meteoric Irons Nickel Chromite 159. Limonite 158. Polianite...Phosgenite Ores montite Bismuth Iron 124. Hydrozincite Native antimony Iron-pyrites Polariscope Crocoite...Goethite. Manganese-ores Euchroite, natural magnet. Iron. Manganese donite, Anglesite, Lead-ores IV...Red-iron-ore). Psilomelane, Copper-ores Dioptase, 15. Iron-ores 31. chite. 14. and Iron-ores | | | Report (issue) | | R EGOR Y C . F E R D OC K l NEVADA BUREAU OF MINES AND GEOLOGY Special Publication 31 in association...NEVADA PRESS Reno & Las Vegas Nevada Bureau of Mines and Geology Special Publica tion 3i University of...minernl occurrences of Nevada by Nevada Bureau of Mines and Geology All rights reserved Manufactured in...(hardcover: allc paper) 1. Minerals-Nevada. 2. Mines and mineral resources- Ncavda. 3. Minerals-Collection...te, r.6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn coJlection. Photograph |  | | Book (edition) | | these mines have yielded, may be noted the following: RARE MINERALS FOUND IN THE MICA MINES. Samarskite...uranium, cerium, lanthanum and yttrium. The corundum mines, iu the chrysolite ledges of the mountain have also...some of the more valuable metallic ores of gold, iron and — copper, and the a.ssociated ores of zinc...5. Copper. 11. Graphite. 16. Galenite. 6. Iron. Molybdenite. 17- Altaite. GEOLOGY OF NOETH...the The vein in Rutherford county. variety, "electrum," contain- ing from 36 to 40 per cent, of silver |  | | Book (edition) | | minerals of this character which a number of these mines have yielded, may be noted the following light a...larger of rare RARE MINERALS FOUND IN THE MICA MINES. Samarskite, TJrarinite, Pvrochlore, Idatchettolite...cerium, lanthanum and tions yttrium. The corundum mines, in the chrysolite ledges of the gion, have also...ores and ciated ores of zinc, lead — of gold, iron and copper, silver. Gold occurs almost universally...association with pyrite and ehalcopyrite, &c., as wfill Iron state, in nite, ( is be seen b}r a glance at |  | Sun, Si-Chen, Zhang, Liang, Li, Rong-Hua, Wen, Ting, Xu, Hao, Wang, Jiu-Yi, Li, Zhi-Qi, Zhang, Fu, Zhang, Xue-Jun, Guo, Hu (2019) Process and Mechanism of Gold Mineralization at the Zhengchong Gold Deposit, Jiangnan Orogenic Belt: Evidence from the Arsenopyrite and Chlorite Mineral Thermometers. Minerals, 9 (2) 133 doi:10.3390/min9020133 | Journal (article/letter/editorial) | | of pyrites characteristics fluids [28]. TheThe lower limitlimit of theofore-forming temperatures of the...characteristics of ofore-forming ore-forming fluids [28]. lower the ore-forming temperatures of the ◦ ◦ C and were...turbidite, is composed of greywacke and silty slate of Lower Huanghudong Formation, sandstone, siltstone and...Huanghudong Formation and sandstone and silty slate of Lower Xiaomuping Formation. All these strata strike NE...turbidite, is composed of greywacke and silty slate of Lower and (iii) Barren Formation, quartz–calcite vein |  | | Report (volume) | | 50. II. Tertiary History of the G-rand Caiion District, with atlas, by Clarence E. Dutton, Capt. U. S... Geology of the Comstocls Lode and the Washoe District, with atlas, by George F. Becker. 1882. 4°. xv...Price $1.20. VIII. Paleontology of the Eureka District, by Charles Doolittle Walcott. 1884. 4°. xiii...New Jersey, by Robert P. Whittteld. The Penokee Iron-Bearing Series of Northern "Wisconsin and Michigan...R. P. Whitfleld. Geology of the Eureka Mining District, Nevada, with atlas, by Arnold Hague. Sauropoda |  | | Book | | the Habsburg dynasty elite to the Lower Hungarian mining district around Banská Štiavnica (Schemnitz...lead, and iron mines. It is well known how many interesting and admirable objects our mines offer. So...Johannes Mattes, Austrian Academy of Sciences, Austria, johannes.mattes@oeaw.ac.at, 0000-0002-8546-7149...description of the Lower Hungarian mining districts containing sketches of mines, smelters, and minting...collection of graphic art. During the visit of the Lower Hungarian mining region the whole entourage was |  | | Book (edition) | | hydrated silica; and limonite, an amorphous hydrated iron oxide. CRYSTALLOGRAPHY AND CRYSTAL CHEMISTRY The...pyrite crystal makes it possible to assign it to a lower symmetry class than that of the geometric cube,...some of the contents of a unit cell must have a lower symmetry than that of the particular Bravais lattice...how, in the passage from the upper form to the lower, the silicon atoms are more symmetrically spaced...result take different names depending on the ratio of iron to magnesium (breunnerite, mesitite, pistomesite) |  | | Book | | collect material. This applies particularly to mines and quarries, even if they are no longer 17 Panning...pyroxenes, amphiboles and biotite, which are rich in iron and magnesium, are known as mafic or ferromagnesian...shatters. In this way the mafic minerals alter to iron oxides, and felspars and muscovite weather into...include oolites, iron deposits precipitated in stagnant swamps, and nodules of iron and manganese formed...grains. The usual cements are calcite, silica and iron minerals. Finally, as sediments are buried and | | | Book | | when the current slackens 14 Camborne mining district in Cornwall, UK l ro- > 2 ® oZD Q- »_ co 4-...collect material. This applies particularly to mines and quarries, even if they are no longer 17 Panning...pyroxenes, amphiboles and biotite, which are rich in iron and magnesium, are known as mafic or ferromagnesian...shatters. In this way the mafic minerals alter to iron oxides, and felspars and muscovite weather into...include oolites, iron deposits precipitated in stagnant swamps, and nodules of iron and manganese formed |  | | Book (edition) | | has been a name change, the old name is given in lower case letters and the new name follows in capital...edition under the old name. Jeromite ---Names in lower case indicate that the mineral (or substance) is...AUSTINITE CaZn(As04)(OH) Cochise County: Warren district, Southwest mine, 7th level; A small open cut on...in a humid environment. Cochise County: Warren district, Southwest mine, 7th level where it is found as...CUI9(N03hCI4(OH)32,2H20 Cochise County: Warren district, Cole mine, Buttgenbachite was identified in a |  | | Journal (issue) | | Green COVER:Lenticular pyromorphite crystals from Iron Crag, Caldbeck Fells, Cumbria. Recently collected...difference from earlier schemes. UK Journal of Mines & !\linerals No. 19 -3- Newly recognised species...probably see the closure of two of the last hard rock mines in England. Frazer's Hush mine in Weardale is scheduled...three specimens of large cabinet size were found at Iron Crag in Roughton Gill. Micromount-sized specimens...noteworthy. There's always hope, or so it seems! Perran Iron mine, near Perranporch, Cornwall recently produced |  | | Book | | Locomotive. By VAUGHAN PENDRED, M.I.Mech.E., late Iron and Steel. Editor of" By J. The Engineer." ... CONTENTS x CHAPTEE ALLOYS Gold and zinc Gold iron Gold Gold OF IV. GOLD. silver Gold and copper... 11. ; FREEZING POINTS OF ALLOYS OF GOLD AND IRON FREEZING POINTS OF ALLOYS OF GOLD AND NICKEL 3...criminals or prisoners of war. The parts of in gold mines. 1 . . . Diodorus Siculus, Bk.-IV., c. 11...points out to them the place The rocks are broken by iron wedges. to excavate. The miners follow, in their |  | | Book (edition) | | Technology, London, which includes the Royal School of Mines. Consulting work for some of the leading British...LITHIUM 133 135 145 I5I MAGNESIUM 153 IODINE IRON LEAD 160 MANGANESE MARKETING OF MINERALS AND...was greatly slackened, and the smaller uranium mines in the U.S.A. were being closed by the dozen. Nuclear...Geological Surveys, London, and to the Bureau of Mines, United States Department of the Interior, for...development into the Stone Age, the Bronze Age, and the Iron Age; and now there has dawned upon mankind the Atomic |  | | Report (issue) | | History. Brumagim, Brumagim, Ballarat School of Mines. Brastow, S. Bacon, John P. Barber, Dr. Baird, C... Mr. Capp, Chas. S. Carpenter, Ezra. California Iron Company. California Cement Company. California State...M. Mercantile Library Association. Minister of Mines, B.C. Men-ill. C. R. Levy, II. Merrill, F. M...Spaulding, Geo. Spaulding, John. Spencer, E. G. Oregon Iron Company. Oregon Steam Navigation Co. Osborn, H.... K. Simondi, A. L. Simkins, C. H. Sine, Sierra Iron Co. Silver, Lovvry. Skillings, E. M. Skinner, Robt |  | | Book (edition) | | Mountains, Utah; (lower /eft) rnodochrosite, N’Chwaning mine, South Africa; (lower left, center) wulfenite...Cloud mine, Arizona; (lower right, center) mimetite, Tsiimehb, Namibia; (lower, right) gold, Amazonas...Graeber Cureton Mineral Company Colorado School of Mines Charles and Marcelle Weber Dan Behnke Demetrios...minerals is imparted by transition elements, especially iron, manganese, titanium, chromium, and copper. Despite...sulfide deposit; contains a concentration of hydrated iron oxide. habit The characteristic crystal form of |  | | Report (issue) | | tabulated data obtained from powder photographs with iron radiation, with an index by which measurements on...adopted as the standard radiation, and replaced by iron radiation only when copper gives an unserviceable...This is generally the case with minerals containing iron. “At least in the original form, it is desirable...measured value of the glancing angle, 6, for copper or iron radiation; the measured value of din Angstrom units;...K@ radiation are present on some films taken with iron radiation because of inefficient filtering by the |  | | Book | | Museum, the allusion and is galleries. Chlorite, iron, with to Crystal by one as of intruding...and magnesia, favour chemist, purple another iron, due German a been always manganese, Whatever...which, ETC. AMETHYST\ are and of to Flint, Iron quartz crystals oxide which Collection,” Impure...dendritic of of precipitation manganese and iron. known Derby Collection, for its to the the...from particularly comparatively Opal different lower, as In the are the of Silica with the aid |  | | Book | | , for the field rock saw; DeBeers Consolidated Mines, Inc., for the three stages in diamond cutting;...facets 1 on (the crown); 8 pavilion facets, 16 lower-girdle 21 Brilliant-cut Shaping a brilliant-cut...properly cut; (c) too shallow and 1 culet on the lower part (the and number of facets vary according facets...diamond saw. sizes, Pavilion. 26 The faster, lower part of a faceted gem, below the girdle. On a...gem stones of tumblers-the upper rotates, the lower vibrates. Polished shapes and sizes, known as baroques |
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