 | | Book | | partout. © Dunod. Toute reproduction non autorisée est un délit. Les collections de minéraux et de gemmes...haute température, l’octaèdre est souvent favorisé, alors que le cube est plutôt une forme de plus basse...formation des cristaux La formation des cristaux est un processus lent et qui exige une grande stabilité...malachite (Bisbee, Arizona, États-Unis) Azurite (Haut-Rhin) Classe 5 : carbonates et nitrates Étymologie...gisements de cuivre. La localité-type de l’azurite est celle de Chessy dans le Rhône dont les échantillons |  | | Journal (article/letter/editorial) | | Proterozoic age. The copperdeposits (chalcopyrite, bornite,pyrite) are stratiformdistal massivesulfidedeposits...y-•). The intrusionof late northernborderof the \¾est African craton during the Pan-African orogeny (Leblanc...the types of ore display the same mineralogy (bornite, chalcopyrite, pyrite) andthe geologyof their country...almostparallelto the B1 axis (Fig. 1) and the orienhigh-grade bornite-rich ore (10-1557o Cu) sur- tation of the slip...chalcopyritecrystals (0.01-0.02 mm) deposits. Some traces of silver tellurides have been are now orientated parallel |  | | Journal (article/letter/editorial) | | Geology S ilver was one of the first metals to silver has the highest-known reflectivity of visible light...used by humans, with records Silver crystallizes in the isometof silver mines dating back at least six...the When pure, the mineral is simply elemental silver (Ag). However, it Andean mineral theme of the 2003...excepof Au and Hg and, less commonly, tional Peruvian silver has been selected as this issue’s Connoisseur’s...Choice. Figure 1. An unusually aesthetic 8.3-cm silver As, Sb, Bi, Pt, and Cu in solid soluAdditional |  | | Book | | billion tons. Other countries, such as Australia and France and doubtless the U.S.S.R., likewise established...Botryoidal pitchblende, St. Priest vein, Forez, France ( X l) ( Geffroy and Sarcia, 1954). 29 ~ ~ ...pitchblende, St.Remy-Stll'-Durolle, Forez Mts., France. Pyrite crystals (white) on 1ight; in quartz (...(black) which also replaces core. Bigay mine, Lachaux, Auvergne, France ( X 100) ( Geffroy and Sarcia, 1954)...oxides and locally much asphaltic material- Mi Vida mine, Monticello district; T emple 1'4ountain, San Rafael |  | | Journal (article/letter/editorial) | | PENINSULA Wayne County International Salt C o . mine—Detroit Alpena County National G y p s u m C o... palygorskite, pyrite, quartz, sphalerite Spurr mine—Imperial Heights (near Michigamme) clinochlore var...selenite U . S . G y p s u m C o . quarry T a y l o r mine (and outcrops)—Alberta barite (r), goethite, graphite...marcasite, pyrite Kent C o u n t y Grand Rapids Gypsum C o . mine—Wyoming Delta C o u n t y (old quarry...gypsum var. satin spar and selenite Isabella (near Grand Dickinson C o u n t y Rapids) celestite (r), gypsum |  | Verhaert, Michèle, Bernard, Alain, Dekoninck, Augustin, Lafforgue, Ludovic, Saddiqi, Omar, Yans, Johan (2017) Mineralogical and geochemical characterization of supergene Cu–Pb–Zn–V ores in the Oriental High Atlas, Morocco. Mineralium Deposita, 52 (7) 1049-1068 doi:10.1007/s00126-017-0753-5 | Journal (article/letter/editorial) | | by secondary sulfides in the cementation zone (bornite, digenite, chalcocite, covellite), (2) the formation...UMR 8148 GEOPS, Bâtiment 504, 91405 Orsay Cedex, France 4 Laboratoire Géosciences, Université Hassan...Wadjinny (1998), the exploitation of the Jbel Haouanit mine, until its closure in 1954, yielded 150,000 tons...at Jbel Haouanit (2.5 km away from the principal mine) for Cu and V ores (Fig. 1). In the Bou Arfa area...excavations located 2.5 km away from the principal mine also exhibit mineralized veins hosted by Jurassic |  | | Book | | LA— PUISSANCE DU CANADA. La possession des metaux est de grande importance a tous les pays et la nature...une etendue de plusieurs cent mille milles carres, est composee de rochers semblables a ceux du Nevada et...faire connaitre des faits qui prouvent que le Canada est destine a etre compte au nombre des plus belles regions...ecrivain de New- York, appelant l'attention sur le grand nombre de depots de fer qui existent en Canada dit...ces localites est souvent entremele de jaspe. La mine du Lac $ Argent, Baie du Tonnerre Est ainsi officicllement |  | | Book (volume) | | areaStaurolite; NE 2½ mi.: (a) the Cochran Mica Mine (1 mi. from the Cherry Grove School, near old tenant...mi., on the Etowah R., at the Creighton-Franklin MineGold; on the Oscar Robertson farm; and on the...Fulton Co.): creek bedsDiamond; the Laurel Creek MineAquamarine, Beryl, red Corundum. COBB COUNTY BELMONT...ELBERT COUNTY AREA: Rock Branch Church, old mica mineBeryl; Harmony Church, area Aquamarine; Broad...with most mining revolving around the old Chapman Mine in Elbert Co. Similar mines occur also in Madison |  | | Journal (article/letter/editorial) | | authors) been shortened for this review. I. Gold, silver and platinum metals deposits in the Canadian Cordillera...8. Element distribution in selected Yukon gold-silver deposits (J.A.Morin), 9. Alkali enrichment and... This shows that gold is associated with bornite in bornite-rich porphyry copper deposits, and that its...both pyrite and chalcopyrite in the absence of bornite, is only random. These observations can be related...classification scheme based on mean grades of gold and silver. There is a distinct relationship between Au-Ag-values |  | | Report (issue) | | us'tria-H ungary Bulgaria ••• ••• Finland ••• ••• France ... • •• Germany •• • ••• Greece ... ••• • •• Italy...Native copper ... ... Chalcopy1·ite . .. ... . .. Bornite or erubescite .•• Chalcocite or copper-g·lance...tends to give way. to the leaner primary 0!fes as mine s get deeper. It is importa,,n t to realize that...nickel and zinc, forming· the so-called '' nickel-silver '' (so,m etimes called '' German silve.r ''). 'l"'hey...143 200 ••• ••• Australia 46,493 38,426 • •• • •• France ... 31 11 ••• ••• Germany* 25,950 24,400 ••• • |  | | Journal (issue) | | Associate Editors Pierre Bariand Sorbonne Paris, France Bill Birch Museum of Victoria Melbourne, Australia...Schwab Orleans, France Associate Photographers Nelly Bariand Sorbonne Paris, France Dan Behnke Northbrook...Articles Famous mineral localities: The Bristol copper mine, Connecticut......................................Thirty-two, Number Six by J. A. Mandarino COVER: BORNITE crystal, 1.6 cm, on quartz , from Dzezkazgan, Kazakhstan...in the U.S.A. notesfrom th r EDITORS OLD YUMA MINE Another great mineral locality has now been closed |  | | Report (issue) | | . . . . . . . . . . . . . . . . . '.' ..... 14 Grand County . . . . . . . . . . . . . . . . . . . . ...mineral localities, with the minerals found at each mine or locality. Most mining districts and mineral localities...whole, along with those for which the specific area (mine, for instance) is not known. Other minerals, however...Mineral Survey, Bulletin 117, 1981 BOX ELDER COUNTY GRAND COUNTY Ashbrook District (Grouse Creek Mountains)...District (North Mountain, La Sal Mountains). Little Grand District (S.E. Green River). Miners Basin District |  | | Journal (article/letter/editorial) | | seem necessary for a texture. Examples: Native silver in carbonate, alsovarious arsenides andsome sulphides...duringprimarycrystal- lization. Examples:Native silver, native copper,ilmenite in sinter. (18, pp. 4 and... Bandedtexture. Galena-sphalerite ore, Sullivan Mine, B.C. 2. Cementtexture. Sandgrains cementedby...Argentite dendritic forms in galena (etched black). Silver Islet, Lake Superior. X 225. Fit. 6. Diabasic texture...matrix to euhedral plagioclaseof an olivine diabase. Grand Portage area, Minn. X 18. Fro. 7. Equigranular,granular |  | | Journal (issue) | | NUMBER 4 • $30 Wayne & Dona Leicht KRISTALLE Est.1971 Laguna Beach, California, USA • Tel: +1 949...549 by T. P. Moore COVER: BORNITE, 3.5 cm, from Mine 21, Dzhezkazgan mine group, Kazakhstan. Joan Massague...(AsO4)5(PO4)3·14H2O), 2-mm view, from the White Elephant mine, Black Hills, South Dakota. Tom Loomis (Dakota Matrix)...w w w. FineMineral.com Rhodonite Mina do Morro Mine, Brazil 7 cm Rhodonite is a manganese mineral named...copper and wire silver, as well as some of the world’s best crystals of betekhtinite, bornite, stromeyerite |  | | Journal (issue) | | Préfaee e numéro hors série est consacré aux minéraux de la mine d'or de Salsigne, non pas seulement...des niveaux supérieurs de la mine à ciel ouvert. Si ce gisement d'or est mondialement connu , ce n'est...on entrevoit la complexité de ce gisement, mais est bâti pour en avoir une meilleure compréhension historique...géologique et minéralogique. Son cadre historique est bienvenu bien que sûrement incomplet tout comme l'état...Toutefois, l'ambition minéralogique des auteurs est atteinte. Ils nous révèlent de nombreuses espèces |  | | Book (edition) | | Inclusions of roquesite (greenish grey) in massive bornite (violet grey); one grain is cross-cut by a crack...occasionally the case). Left: Reflection colours of bornite (brown), chalcocite (blue), and pyrite (creme)...number of Ag-containing minerals (not limited to silver minerals sensu strictu) develop coatings that are...either coloured films or fine layers of native silver, suggesting the presence of redox processes changing...underlying mineral (e.g., sulfide oxidised to SO2, silver reduced to metal state). Left (top): Ag-rich chalcopyrite |  | | Report (Issue volume) | | accumulating steadily since 1853, when the first mine (a coal property) was developed. Actually it antedates...Selenium .... Occurrences Silicon .... Occurrences Silver ..... . Occurrences Sodium Occurrences Strontium... thorium .......... . Silver ........................................ . Silver-Stevens County .........in its various mineral forms or of any specific mine or prospect in the state. An effort has been made...constituent of the ore. For example, the Holden mine in Chelan County is described under copper and is |  | | Book (volume) | | W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods (Pennsylvanian age). GRUNDY...banks of Mason Cr.⎯fossils; d Coal City, on area mine dumps from sedimentary overburden⎯oval concretions...States EAST BROOKLYN (SE of Gardner), area coal mine dumps⎯Marcasite, Pyrite. HANCOCK COUNTY DALLAS...Galena, Pyrite, Silver, Smithsonite, Strontianite, Witherite; e the Minerva No. 1 Mine, area minerals...ROSICLARE: c area mines, especially Ozark Mahoning mine⎯Calcite crystals, Fluorite (blue, yellow, purple |  | | Book (volume) | | W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods (Pennsylvanian age). GRUNDY...banks of Mason Cr.⎯fossils; d Coal City, on area mine dumps from sedimentary overburden⎯oval concretions...States EAST BROOKLYN (SE of Gardner), area coal mine dumps⎯Marcasite, Pyrite. HANCOCK COUNTY DALLAS...Galena, Pyrite, Silver, Smithsonite, Strontianite, Witherite; e the Minerva No. 1 Mine, area minerals...ROSICLARE: c area mines, especially Ozark Mahoning mine⎯Calcite crystals, Fluorite (blue, yellow, purple |  | | Journal (article/letter/editorial) | | J. P. Mil6si 1 BRGM, and 2 CNRS-CSCM, Orleans, France With 10 Figures Received November 13, 1991; accepted...Au) de Layo (Sud P&ou) Le glte ~pithermal de Layo est encaiss6 dans les volcanites calco-alcalines Mioc~nePlioc~ne...vinciennite est proche du p61e th6orique (CuloFe4SnAsS16) et la tennantite riche en Cu (.Cu~,FeAs~S~3) est d6pourvue...access 10 km to the northeast of the Orcopampa Ag-Au mine, and are being investigated by Cedimin S.A. Although...sphalerite pseudomorphing wurtzite, chalcopyrite, silver-poor zinciferous tetrahedrite (0.17 wt.~ Ag; 8 |  | | Book | | approximately 5 cm taii and is from the Eagle's Nest mine, Piacer County, California. Ross Beaty Collection...rteld L'AsSOCIATION GE.OLOGIQUE OU CANADA (AGC) est la soaete nationale canadienne des sciences de la...1'0\lancement de la geok>gie et de sensbhser le grand publtc ~ saences de la Terre Ele COOVefld environ.... •. .. • . . . . . 12 Bismuthinite .. .14 Bornite ...... . .................. 16 Boulangerite Bournonite...Scheelite . ................ ., . . . .. . . . . Silver . iiJ i~ I I! ;3 lliii i!!J .80 • • . • . . |  | | Journal (article/letter/editorial) | | ........................................ Cashin mine ...................................................... Cliffdweller mine ............................................. Sunrise mine .................................................... Copper Rivet mine ............................................ Mineralization...Valley, Utah ............................. Hoosier mine ............................................ Origin...western Coloradoand easternUtah and the silver-bearingsandstones at Silver Reef, WashingtonCounty,Utah. All |  | | Book | | borders. The mineralogical collecting between the Grand Duchy of Tuscany and the Habsburg territories at...end of 1765 after he was appointed as reigning Grand Duke of Tuscany. Originally written in German, the...represents the mineralogical collection catalog of Grand Duke Peter Leopold, later Emperor Leopold II—has...order to visit the local and surrounding gold, silver, copper, lead, and iron mines. It is well known...so many pushing, dredging, and washing plants; silver and lead smelteries; […] not less [interesting |  | | Journal (article/letter/editorial) | | Street, Ottawa, Ontario K1A 0E8, Canada ABSTRACT Bornite-bearing ores of the Waterloo volcanic-rock-hosted...pyrite, chalcopyrite, sphalerite, tennantite and bornite. The EMP investigations showed that the colusite...Queensland, en Australie, le minerai contenant la bornite contient aussi de la colusite germanifère, de composition...texturaux, la colusite est associée à pyrite, chalcopyrite, sphalérite, tennantite et bornite. Les données obtenues...microsonde électronique montrent que la colusite est chimiquement homogène, avec des concentrations de |  | | Journal (article/letter/editorial) | | Languedoc, 34060 Montpellier Cedex,France AND PIERRE BILLAUD Mine de Bou Azzer, C.T.T., Marrakech, Morocco...chromite-and sulfide-richhorizonwith chalcopyrite, bornite,Co pentlandite,linnaeite,and millerite may be observedlocally...underlyingcarbonated pyrargirite,pyrrhotite,realgar,silver,tennantite,tetserpentinite. This black siliceousmaterial...samemineral, skutterudite alloclasite; chalcopyrite,bornite,chalcocite;and mo- for example,are observed(Table...averagecontentof silveris 10 to $0 ppm; native silver may be found in sulfide-richzonesor along somequartz |
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