 | | Journal (issue) | | Mandarino Famous mineral localities: The Annaberg District, Lower A u stria ...............................NAMIBIA 10Khorixas UNITED STATES 3Stewart mine, Pala district, California Deposit Type Bismoclite Precambrian...schumacherite Pegmatite 4 White Queen mine, Pala district, California NEW OCCURRENCES Pucher shaft, Schneeberg...has been identified from the Stewart mine, Pala district, with associated chrysocolla and pseudomalachite...described namibite from the White Queen mine, Pala district, San Diego County, California. At this locality |  | | Report (issue) | | Gold in Minerals and the Composition of Native Gold Gold in Minerals and the Composition of Native...Native Gold By Robert S. Jones and Michael Fleischer GEOLOGICAL SURVEY Washington 1969 CIRCULAR 612...considerations ----------------------------------------Gold in minerals ------------------------------------------------------...------------- _ Composition and the fineness of gold ---------------------------- ___ References cited...Analyses of gold in minerals made since 1954 --------------------10 4. Variation in fineness of gold with depth |  | | Book (edition) | | Brazilianite, 35 mm, Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed...various degrees. less common are malleable (e.g gold). ductile (e.g. copper). sectile (e.g. chalcocite)...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....Another problem concerned genetic conditions in the gold-bearing "greenstone" in Abitibi province in northern...near Sobotfn, Moravia, Czech Rep., in skarn at the Sankt Christoph mine, near Breitenbrunn, Saxony, Germany |  | | Book | | minerals. From precious native elements such as silver, gold and copper to complex silicates such as vesuvianite...pride of any geological collection. From the green, gold and blue iridescent sheen of labradorite to the...(bottom), also known for obvious reasons as 'fool's gold'. stone lying there. To start with, they probably...of an ancient treasure, lapis lazuli. Copper and gold were first used at least 10,000 years ago. They...times. colour makes them easy to see. Copper and gold were both too soft to make tools from, but the discovery |  | | Book | | comparative study from colleagues, institutes, and mines; many samples were collected by the writer himself...Quartz alone in just one group of ore deposits (the gold-quartz deposits), and he will not expect t h a t...contents of lead and galena, sphalerite, silver, gold, and palladium. I n places of extreme differentiation...found, and occasionally also molybdenite, graphite, gold, and others. At Magnet Heights, Transvaal, the sulphide...hydrotherm.) gold + scheelite gold -f- quartz + tourmaline gold 4- quartz ± bismuth gold -f quartz + |  | | Book | | (bottom), also known for obvious reasons as âfool's gold'. and there in the stone you may actually see fossils...practical dug mines to get at them underground. geological skill as they Copper and gold were first used...great unconformities (see Reading the Copper and gold were both too soft to geology book, De Re Metallica...as nickel years and some brand new - and is and gold that combine readily with rarely more than 10km/6...and Below: Salt Cellar Tor in England's Peak District is one of several tors in this region. They are |  | | Journal (issue) | | mineral localities: The Bastnas Mines, Riddarhyttan Ore Field, Bergslagen District, Vastmanland, Sweden ......BASTDAS ffiIDES RIDDARHYTTAD ORE FIELD, BERGSLAGED DISTRICT, VASTffiADLADD, SillEDED Lennart Ohman Hi:igviltsvagen...1 meter in the dumps, about 30 meters from the Sankt Goransgruvan mine. The zone contained many cerium...south-central Sweden, where tens of thousands of different mines have been worked for nearly a thousand years. Iron...fields, with approximately 300 large and small mines. Iron ore mining began in the mid-14th century, |  | | Journal (issue) | | to: 7413 N. Mowry Place Tucson, AZ 85741 Articles Gold in South Africa ..................................rite cry stals m e a s u re 2.9 cm . T h is sp e c im e n is th e b e s t of th re e fo u n d in a n ice-filled...the summer. Initially he went underground in the mines in Mexico and collected as well as purchased material...itwatersrand P.O. Wits 2050 Johannesburg South Africa Gold has been mined in South Africa fo r over a century...from individual mines often exceeds other countries' entire national output. Notable gold specimens are | | | Journal (issue) | | 1992 Volume Twenty-three, Number Three Âź Articles Gold in South Africa ..................................stone, borrowing architectural thought to ask about bad it not already been out and visible. This elements...Mi11eralogical Record, ,·olume 23 , Ma.,·-June. 1992 GOLD IN SOUTH AFRICA Bruce Cairncross Department of Geology...Witwatersrand P.O. Wits 2050 Johannesburg South Africa Gold has been mined in South Africa for over a century...from individual mines often exceeds other countries' entire nationq,l output. Notable gold specimens are |  | | Journal (issue) | | minerals at the Line Pit, State Line chromite district, Pennsylvania and Maryland ..................149...Kristall-Growing (Hoechsti, West Germany) Krotki Iron Mines (Los Angeles, CA) La Jolla Gems and Minerals (La...clear quartz crystals, probably from the San Juan district (Colorado), from a lady who was using it in the...A. B. W hitmore (owner of the Crystal Peak gem mines), and George Reeser, an old pros pector at Crystal...French chessylite, Swiss Cavradi hematite, Swedish cobaltite and many others. Current classics being featured |  | | Journal (issue) | | and coal. It is among the top three producers of gold, lead, zinc, silver, nickel, manganese, precious...officaldom give a high priority to minerals and mines in their plans to establish Australia as a new colony...de Villiers (1772-1840) in the Paris Ecole des Mines and C. F. C. Mohs (1773-1839) in Vienna. Lhotsky...assisting K. C. von Leonhard in the latterâs mineral dealing business in Hanau. After Leonhard was appointed...the magnificent specimens which came out of those mines.) Menge had from 1838 been predicting that valuable |  | | Book | | for the field rock saw; DeBeers ConsoliÂŹ dated Mines, Inc., for the three stages in diamond cutting;...associated sulfide minerals. A product of the Tri-State district, where the corners of Missouri, Kansas, and Oklahoma...is the ruby-zinc vaÂŹ riety. From the Tri-State district. gray color and metallic luster are characteristic...from one of the world's important tin-producing mines in Bolivia. Quartz intergrowth. This intricate...Arsenate. A mineral containing the arsenate ion (As04). ImÂŹ portant examples of this class include erythrite | | | Book | | , for the field rock saw; DeBeers Consolidated Mines, Inc., for the three stages in diamond cutting;...sulfide minerals. A product of the Tri-State district, where the corners Missouri, Kansas, Oklahoma...sphalerite is the ruby-zinc variety. From the Tri-State district. Molybdenite. This specimen displays a foliated...from of the worldâs important tin-producing mines in Bolivia. ' Quartz intergrowth. This intricate...minerals. Cobaltite and arsenopyrite are sulfarsenides or arsenide-sulfides. Assay. The analysis of gold and | | | Book | | , for the field rock saw; DeBeers Consolidated Mines, Inc., for the three stages in diamond cutting;...su lfide minerals. A product of the Tri-State district, where the corners of Missouri, Kansas, and Oklahoma...sphalerite is the ruby-zinc variety. From the Tri-State district. Molybdenite. This specimen displays a foliated...minerals. Cobaltite and arsenopyrite are sulfarsenides or arsenide-sulfides. Assay. The analysis of gold and...having the properties of an element. Auriferous. Gold bearing. âą Bladed. A mineral habit consisting of |  | | Journal (issue) | | solid loose xi. 1 ÂŒ x 1 x Âœ .âą.âą .. âą. âą. 7 .50 COBALTITE, Columbus Mine, Cobalt, Ontario. Bright loose...SOUTHERN AFRICA BY ROBERT W . METCALF1 (Bureau of Mines Mineral Tracie Notes, Feb. 20, 1947) INTRODUCTION...economist, Nonmetal Eco- nomics Division, Bureau of Mines. undite- deposits are found in the eastern part...care must be exercised in mining. In the Selati district, which lies in about the middle of this area,...fi(ld and output was reported also in the Rusapi district. These operations were only beginning to be effeaive |  | | Book (edition) | | with the miner and see the rocks in the deepest mines reach to depths of less though cage, this it...was called a single substances but mixtures Most mines produce not mineral. of 5 many things and vastly...mineral cabinet, perfect specimens of Arizona mines do. It must be pointed out, moreover, that many..."all that glitters "fool's gold" and the senses unassisted The is not gold," and the "false galena...as a Furthermoi-e, vegetation. forms of native gold, when, for example, a branch has l)een broken, |  | | Journal (issue) | | fact, they went on trying to locate the richest (gold T h e M in e r a lo g ic a l R e c o r d , v o lu...9 9 Figure 3. Location map showing important mines and towns in the Zambian Copperbelt, as well as...indigenes serving as guides. In 1915, the Kipushi district was delineated by the famous prospec tor Major...so until recent years. Production in the other mines of the southeastern sector was limited to small...its rupture (Intiomale and Oosterbosch, 1974). This im permeable roof, up to 250 meters thick and 500 meters |  | | Journal (issue) | | ..........191 by W. E. Wilson The Port Radium district, Northwest Territories, Canada .................Famous mineral localities: the Ouro Preto topaz mines ..................................................long and hard at the portal or shaft of abandoned mines and wondered if far better material might not be...least a short distance into aban doned mines. Abandoned mines certainly arenât hard to find. Colorado...000âmost of them underground metal mines. The U.S. Bureau of Mines estimates that there are well over |  | | Book (edition) | | miner and see the rocks in place, but the deepest mines are only a little over 3 kilometers in depth. Although...saying that âall that glitters is not gold,â and the names fool âs gold and false galena, express the fact...are the arborescent or dendritic forms of native gold, silver, or copper. Indeed, the terms used in describing...calcite crystals from Fontainebleau and from the Bad Lands of South Dakota (Fig. 3-147) contain some 60%... Fig. 3-161. Aragonite, flos ferri, Styria, Austria. Fig. 3-162. Stalactitic limonite, Ural Mountains |  | | Journal (issue) | | .................. 476 by W. E. W ilson COVER: GOLD w ith q u artz on m atrix, ab o u t 13 cm tall as...friendship in a w ay that set standards for collecting and im parted intelligent aim s w hich have significantly...it hom e every February, the D esert Inn w as an im portant part o f the history o f m ineral collecting...800-607-2201 W h o le s a le a n d R e ta il Coogan Gold Company E d a n d K ay C o o g an P.O. B ox 1631...ealth, Sir John was busy in E urope gun-running and gold-sm uggling for the rebels. T here he rem ained for | | | Book (edition) | | miner and see the rocks in place, but the deepest mines reach to depths of less than two miles. Although...Mineralogy o was dug from a mine was a mineral. Most mines produce not single substances but mixtures of many...the same material found in some of the Arizona mines do. is It in fine clear cubical must be pointed...saying, âall that glitters is not cold â and fool s gold" and âfalse galena,â express the conclusion that...General Nature of Crystals 19 forms of native gold, silver, or copper. Indeed the terms used in describing |  | | Catalog/List | | sathfied, PLUSEi. Nnd any or all of the apKiaenl bad( a proapt refund. (Wt do a~ lhat lfl1Ciaen11 be returned...pot«elaneou material in Gypun atrix .J.00 Grant, New Mex i IM+I Hare- yellow tuft with Anllersonite (which fl brilliant...Haine __ Oehesa, CA Quebec, .Canad Himalaya ni. Ca. Mines Gerais, Braz long fellow Mi,CO - I Hine I.XJLOHIJ[...qreen l±toss :harp «l on/off matrix HGQID Smears of gold on hematite rock ·tairly ·rich * G[URll[ Rare. Ulack...85 . 00 LEPIOOLIT[ fine grained Lepidolite with IM,ellite xls LINDGRfNITF Olive green xln on Quartz |  | | Catalog/List | | OLD !lower petals, xlized of Gold w/out matrix - the best Arizona lode Gold Jive ever seen ···...IN's priced...Hoon Anchor Hi ne Rowley Hine Carp Verde California Gold Hill Hi,U tah Connecticut Ojuela Mine, M ex Ray...Galena· SILVER Rich, dendridic Silver in Smaltite/Cobaltite matrix SHAT TUCKITE Micro blue spherules under...blues & golds lYflOLill Micro gree11/blue xls & snear' on 1;1atrix TYUYI\MUtllll. Uri te yel Im, powdery...are usually 2--3/ bags of material from various mines, that have (at least in our opinion) good micro |  | | Book | | index. 1. Mines and mineral resourcesâAsia. 2. Mines and mineral resourcesâAustralia. 3. Mines and mineral...them, mineralogists have come to recognize certain mines, quarries, and mineral deposits as having produced...notable example in this category is the Nuristan District of Afghanistan, which over the past 10 years has...Tochigi Prefecture, Honshu The Ani and Arakawa Mines, Ugo Province, Akita Prefecture, Honshu The Obira...Prefecture, Honshu References 2. China Wanshanchang Mines, Toon Yen (Tungyen) Prefecture, Kweichow Guizhov |  | | Catalog/List | | satisfied, PLEASE, und any or allof the 1pttlâ ens bad( for a proapt refund. (We do ask that specimens be...matrix 2.00 145.00 GOLD' 15„2010mm l flouer petels w/ minor matrix. Choice for AZ lode gold âą 95 1. 95 1...Yellow/oreen botrvoirlal coverina â atrix ~/W”l_fenite xis Gold Hill Ni,Utah Connecticut 0juela Hine, lex MALACHITE...Galena SILVER Rich, dendridic Silver in Saaltite/Cobaltite â atrix 'SHAI ILIKIIE Hicro blue spherules under...I#GI to!roil+l, rides,vent red,, greens, blues G golds Pioche, NV IYRul I Micro arevn/bl·l, , near on matrix |
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