 | | Journal (article/letter/editorial) | | the low-sulfidation epithermal Emperor gold deposit, Vatukoula, Fiji D. W. Pals and P. G. Spry Department...The epithermal, low sulfidation Emperor gold telluride deposit in Fiji, hosted by Late Miocene-Early Pliocene...western flank of the Tavua Caldera. Gold is largely in the form of ‘‘invisible’’ gold in arsenian pyrite...pyrite but 10 to 50% of gold is in the form of precious metal tellurides. Gold mineralization occurs in steeply...where the flatmake intersects steep structures. Gold-rich tellurides preceded the formation of silver-rich |  | | Journal (article/letter/editorial) | | Mineralogical and GeochemicalStudiesof the Emperor Gold Telluride Deposit, Fiji M. AHMAD, NorthernTerritoryGeological...Mba Volcanics,of Mioceneage,in the north of Viti Levu, Fiji. The veinsfilledfracturesthat developedmainlyin...are dominantly quartzwith minorpyrite,tellurides,gold,sphalerite,arsenopyrite,chalcopyrite,tetrahedrite...H2S,COa, and HaTe, with lossof H2Sthe main causeof gold deposition. Assuming only partialequilibriumin the...It is located at Vatukoula about 8 km inland from the northern coastof Viti Levu, Fiji (Fig. 1). THE |  | | Journal (issue) | | . . . . 277 by D. London The Emperor mine, Vatukoula, Viti Levu, Fiji . . . . . . . . . . . . . . ....sale of the book. The first print, entitled “The Mine with the Iron Door,” depicts a fantasy underground...underground collecting scene at the famous lost gold mine in the Catalina Mountains above Tucson. The print was...scene at the Old uma mine near Tucson (appropriate, inasmuch as he wrote the Old uma mine chapter in the book)...“runner” is someone who “runs” with minerals from the mine or other exposure to dealers, to sell specimens |  | | Journal (article/letter/editorial) | | the low-sulfidation epithermal Emperor gold deposit, Vatukoula, Fiji’’ (2003) by D. W. Pals and P. G...paper on telluride mineralogy in the Emperor gold mine in Fiji, Pals and Spry (2003) referred several...distribution of individual tellurides in the Emperor mine, Pals and Spry (2003, pp 302–304) noted that...that, in a general sense, I had found that the gold-rich assemblage calaverite-krennerite-sylvanite occurred...the silver-rich assemblage petzitehessite-native gold extended down to deeper levels. They then commented |  | | Journal (article/letter/editorial) | | Geology Vol. 88, 1993, pp. 1017-1052 The PorgeraGold Mine, PapuaNew Guinea:MagmaticHydrothermalto EpithermalEvolutionof...reflectpartialoxidationof a fluidwith bulk (•34S • 4 per mil. Gold is suggested to havebeen transportedasa chloridecomplexin...1990 hasexceeded1 millionouncesAu per year. The mine alsocontainssubstantial reservesof • i i i , ....hydrothermalbreccias,containing abundantnative gold (Auø) and Au-Ag tellurides. These veins crosscut...pletionsof Ta, Nb, andTi in arcmagmas becomeunandhigh field strengthelementabundances, includ- stable.Conclusiveevidencefor |  | | Catalog/List | | Design and minors in History and Geology. Kevin has field-collected mineral specimens at hundreds of localities...Colorado, azurite and malachite in Jerome, Arizona, gold in Wickenburg, Arizona, and wulfenite, mimetite...add to his collection through mineral shows and field exploration and has personally owned and sold specimens...a collection of gold aurei and solidi representing every Roman and Byzantine Emperor from 44 BC to 1000...Ward Minera! on QUARTZ RHODOCHROSITE District Mine. Climax Climax olTolg-Yole Lake. County. ncredibly |  | Ronacher, E., Richards, J. P., Reed, M. H., Bray, C. J., Spooner, E. T. C., Adams, P. D. (2004) Characteristics and Evolution of the Hydrothermal Fluid in the North Zone High-Grade Area, Porgera Gold Deposit, Papua New Guinea. Economic Geology, 99 (5) 843-867 doi:10.2113/gsecongeo.99.5.843 | Journal (article/letter/editorial) | | Fluid in the North Zone High-Grade Area, Porgera Gold Deposit, Papua New Guinea E. RONACHER,†,* J. P....Guinea Abstract The ~20-million-ounce (Moz) Porgera gold deposit, Papua New Guinea, is hosted by 6-m.y.-old...sedimentary rocks in which the intrusions were emplaced. Gold-bearing veins occur in three stages: (1) magnet...magnetite-sulfide-carbonate ± quartz veins with minor gold (prestage I), (2) base metal-sulfide-carbonate ±...veins (stage I), and (3) quartz-roscoelite-pyrite-gold veins and breccias (stage II). Stage II veins are |  | | Journal (article/letter/editorial) | | inter the list of jewelry, minerals, artifacts, gold, and silver on stamps compiled by G . G . Young...rocks FIJI July 15, 1978 4 sh Emperor gold mine and gold ore January 13, 1969 40 c Emperor gold mine and...and gold ore FRANCE July 8, 1975 September 27, 1969 1 cr Vinctifer comptoni (petrified fish) 'jq diamond...MINERALS EAST GERMANY November 11, 1965 20 pf proustite crystals 25 pf sulphur crystals May 21.1969 5...pf malachite 25 pf amethyst 35 pf halite 50 pf proustite February 6, 1973 10 pf Lebachia speciosa 15 pf |  | | Journal (article/letter/editorial) | | from hundreds of localities worldwide, and unlike gold, silver is quite a reactive element, forming more...to be the third metal widely utilized by humans (gold and copper were the first). The earliest known siIver...The Iliad. In ancient times silver was rarer than gold. This probably reflects the fact that the earliest...in the ancient world, was considerably rarer than gold. Chlorargyrite appears to have been the fvst silver...King Solomon is said to have received shipments of gold and silver from “Tharshish and the Isles,” thought |  | | Catalog/List | | extremely ine, specimens from the Mammoth-St. Anthony Mine of Tiger, Arizona: now a vanished place alive only...potential mineral buying area, or go into another mine. He travelled to areas that had seen few Americans...alone someone hunting crystals. He went to Bolivia, Fiji, Ethiopia, Rhodesia, and many other places. Given...Atacama Desert to collect Underground Nikolaevskiy Mine, Dalnegorsk, Russia, 1993. "RPG," Artigas, Uruguay...collection that he donated to the Neto and Ed Swoboda to mine University of Arizona RRUFF Project. Another was |  | Tombros, S. F., St. Seymour, K., Williams-Jones, A. E., Spry, P. G. (2008) Later stages of evolution of an epithermal system: Au–Ag mineralizations at Apigania Bay, Tinos Island, Cyclades, Hellas, Greece. Mineralogy and Petrology, 94 (3) 175-194 doi:10.1007/s00710-008-0019-0 | Journal (article/letter/editorial) | | high-angle quartz veins that extend for at least 200 m. Gold–silver mineralization, in association with more...in an open system, with a metasedimentary source. Gold and silver deposition was associated with degassing...and Pefka, Thrace (Voudouris et al. 2006). 176 Gold–silver mineralization at Apigania Bay, Tinos Island...2001). Epithermal gold mineralization at Apigania Bay is one of several granite-related gold-silver occurrences...stephanite [Ag5SbS4], xanthoconite [Ag3AsS3], proustite [Ag3AsS3] and canfieldite [Ag8SnS6]. Pyrite develops |  | | Journal (article/letter/editorial) | | 2005 Invisible Gold from the Hishikari Epithermal Gold Deposit, Japan: Implication for Gold Distribution...presence of invisible gold was confirmed in arsenian pyrite from the Hishikari epithermal gold deposit, Kagoshima...analyses. The relative concentration of invisible gold may be positively correlated with As contents (0...having higher As contents accompanied by invisible gold occur dominantly in the middle stage of fine-adularia-quartz...Keywords: invisible gold, arsenian pyrite, Au, As, correlation, EPMA, SIMS epithermal gold deposit, located |  | | Book | | Papua-New Guinea (speci fically Bougainville), and Fiji. Cyprus, Ceylon, the Philippines, and Japan are...27 Tasmania 13 New Zealand 2 Bougainville.... 1 Fiji 1 New Caledonia... 2 46 102 At the head of each...Boettcher, T. J. Casadevall, Peter Deines, D. P. Gold, D. M. Kerrick, M. L. Keith, A. W. Rose, C. P. Thornton...50, p. 164-168 Heim, Α., 1 9 3 4 , The molybdenum mine at Azegour: Soc. Econ. Geol., v. 29, p. 76-83..., Allanite et epidote dans des corneennes de la mine d'Azegour, Haut-Atlas: Serv. Geol. Maroc. Notes |  | | Catalog/List | | Battle of Jerusalem (66 A.D .), at the death of Emperor Macrinus (218 A.D.), at the defeat of Att ila at...'s entire island continent can be considered one field . The surfaces of tektites frequently show flow...same minerals as those of the enclosing rock 3. "gold-bearing" 4. the lower margin or extremity of a glacier...NUKUNDAMITE, ... . ...... . .. $10.00 CuS, Undu Mine, Nukundamu , Fiji •83A40 Tiny (1 mm) pure fragment in capsule...83A77 "SHOTGUN" GOLD Reasonably good fakes of matrix gold. All specimens contain gold flakes which have |  | | Book | | chequered history. During the Austrian regime, the emperor Josef II acquired some of the cabinets for the...Wyartite, Vandenbrandeite, Becquerelite Uraninite, gold Veszelyite Scorzalite Shinkolobwe, Shaba, Za'ire...particularly interesting collection of miners' lamps and mine surveying instruments. Ancient and mediaeval mining...worn by mine officials of Saxony on ceremonial occasions. A special attraction is a model mine, 20m below...N. from the main railway station, landmark is a mine headframe. Tues.- Fri. 8.30-17.30 hrs.; Sat.- Sun |  | | Journal (issue) | | Advertising Manager Thomas P. Moore Tpmoorel@cox.net A gold specimen from the Spanish Dry Diggings, Eldorado...EUCLASE with Albite, 11.2 cm, from the La Marina mine, Muzo District, Boyaca Department, Colombia. See...mineral room wall. And in 2016 we began presenting gold medallions-large pins with a magnetic clasp--that...While other children struggled mightily to avoid field trips and family outings to the purportedly dusty...specimens. ~ How, after being inactive in this field for several years, we have accumulated a line stock |  | | Book | | 1umankind since prehistoric times such as quartz 1nd gold, but also ~minerals first described quite :ecently...Crystals up to 140mm (5½ in) long occurred in the Ray mine and in Bisbee, Arizona, USA. Very fine spinel-law...electronics, electrical engineering, ingredient in gold alloys. 9 Silver Ag CUBIC ••• Properties: C...origin in association with acanthite, stephanite, proustite, pyrargyrite, copper and many other minerals....100 mm (4 in) long, come also from the San Genaro Mine in Huancavelica and Uchucchaqua, Peru. New finds |  | | Journal (article/letter/editorial) | | exceptionally large—approximately 257 tonnes (t) of gold and 6,000 t of silver (Bonham and Papke, 1969; Smith...unpub. report, 1968). Placer gold was discovered in 1850 and lode gold-silver deposits were discovered...member of the Kate Peak Formation (Fig. 3), and field relations do not make the relative ages clear. Structure...Chollar South C Tun nel Brunswick Decline Gold Hill E. Yellow Jacket Cí Bí Occidental OL L...productive part of the Comstock lode at the Overman mine, the Silver City lode (Fig. 2) strikes about N 50° |  | | Journal (article/letter/editorial) | | minerals is not much higher - pyrargyrite 59.8 %, proustite 65.3 %, 128 stephanite 68.3 %, argentite 87...empire and for minting both silver and gold coins, given by the emperor Zikmund to Kaspar Schlick as early... when the minting rights were obtained by the emperor Ferdinand I., who obtained by confiscation the...Jáchymov silver was caused by the circumstance that gold coins were in short supply to satisfy needs for...corresponding in value to the Rheingulden and the Austrian gold coin Guldiner. Another aspect of the success was |  | | Book | | humankind since prehistoric times such as quartz and gold, but also minerals first described quite recently...Crystals up to 140mm (5'A in) long occurred in the Ray mine and in Bisbce, Arizona, USA. Very fine spincl-law...electronics, electrical engineering, ingredient in gold alloys. f I Silver Ag CUBIC • • • Properties:...origin in association with acanthite, stephanite, proustite, pyrargyrite, copper and many other minerals....100 mm (4 in) long, come also from the San Gcnaro Mine in Huancavclica and Uchucchaqua, Peru. New finds |  | Veselovský, F., Ondruš, P., Gabašová, A., Hloušek, J., Vlašimský, P. (2003) History of discovery and study of new primary minerals at Jáchymov. Journal of the Czech Geological Society, 48 (3-4) 207-208 | Journal (article/letter/editorial) | | recently found unknown mineral. The specimen carried proustite intergrown with a mineral similar at first glance...Lippmann. The specimen originated from the defunct mine Neu Leipziger Glück in Johann-Georgenstadt (W. Sartorius...study of the same mineral at the meeting of the Emperors Academy of Science, and published them in the...9 specimens of this mineral were found in the Emperors Mineral cabinet and additional 2 specimens in...as marcasite pseudomorphs after stephanite or proustite by Zippe in 1832. In 1852 and 1853, Kenngott described |  | | Journal (issue) | | :Refugio Jlline Famous mineral localities: The Refugio mine, Municipio de Choix, Sinaloa, Mexico .............Front Cover Smithsonite, 4 cm wide, from the Refugio mine, Choix, Sinaloa, Mexico. William Dameron collection;...that were collected and stored more carefully. The mine is still being actively worked today, as the city...6) San Pedro Corralitos, Amatitlan, San Francisco mine Mexico V.· (2008, vol. 39, no. 6) History, Milpillas...minerals (under the company name Xtal). The Refugio mine may not sound familiar at first, but that's because |  | | Book | | tetrahedrite crystals; from the Home Sweet Home mine near Alma, Colorado. Found in 1965, it is considered...variety known as k1111zire; from the Pala Chief mine, San Diego County, California. Found shortly after...Mary Josephine Hamman Foundation Battle Mou111ain Gold Corporation Mr. and Mrs. A. \V. Downing Mears. Jr...collecting fever had spread through out Europe. Emperor Rudolph II (1552-1612) build a mas sive "cabinet"...became the basis for the National Museum in Prague. Emperor Franz Stephen von Lothringen (17081768) was also |  | | Journal (issue) | | practically nothing is known. It is m a d e of chased gold and exceptionally richly jewelled. T h e overall...Historical Museum of Basle, Switzerland) of the gold aigrette looted from the tent of the Duke of Burgundy... abandoned mine, while true odontolite is seldom seen. A major source of fine proustite crystals is...Shahjahan a n d Aurangzeb. With the death of the last Emperor, the dynasty began disintegrating. It was during...looted by subsequent rulers of India. Fortunately, Emperor Jehangir has left an authoritative account of his |  | | Journal (article/letter/editorial) | | of the coupled behavior of gold and silver in hydrothermal processes: Gold fineness, Au/Ag ratios and their... Rickard Keywords: Hydrothermal gold deposits Ore geochemistry Gold fineness Au(Ag)-bearing pyrite Thermodynamic...modeling Au/Ag ratios a b s t r a c t An estimation of gold fineness deposited from aqueous sulphide–chloride...of hydrothermal gold deposits of different types are summarized. Wide ranges of gold fineness and low...ore-forming solutions (types I–III). High fineness gold and high values of (Au/Ag)ore ratio of Au–Te, Au–As |
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