 | Chapman, R. J., Leake, R. C., Bond, D. P. G., Stedra, V., Fairgrieve, B. (2009) Chemical and Mineralogical Signatures of Gold Formed in Oxidizing Chloride Hydrothermal Systems and their Significance within Populations of Placer Gold Grains Collected during Reconnaissance. Economic Geology, 104 (4) 563-585 doi:10.2113/gsecongeo.104.4.563 | Journal (article/letter/editorial) | | placer gold in the Nokomai River catchment, New Zealand. Several workers have commented on the presence...discussing the Au-Pd-selenide association at Coronation Hill, Australia. Placer gold exhibiting this...Europe situated in its arid hinterland. This was the New Red Sandstone continent, and much of the Late Carboniferous...= Hope Cove, 11 = Wadham Rocks, 12 = Loddiswell mine. Localities in the Lammermuir Hills (adapted from...the area, but probably once covered the entire region Czech Republic In situ occurrences Svoboda nad |  | | Journal (article/letter/editorial) | | calc-silicate footwall at Sandsloot mine, Potgietersrus district, South Africa P. E. B. Armitage University...present study is based on fieldwork at the Sandsloot mine, an open-pit operated by Anglo Platinum, where siliceous...strike.2 Data from drill cores and mapping within the mine have shown the reef to consist essentially of two...Paul Armitage to carry out fieldwork at Sandsloot mine and the assistance of the staff of the geology department...department and assay laboratory at the mine is gratefully acknowledged. References 1. Buchanan D. L. |  | | Journal (article/letter/editorial) | | ��� Localities: A. Zeballos Gold Camp B. Engineer Mine C. Atlin Camp D. Barkerville Wells Area E. Likely...Toodoggone Camp I. Bridge River Camp J. Harrison Gold Mine K. Hedley Camp (including Olalla) L. Stewart Camp...Nelson 14. Victoria 6. Vancouver 23. Fort Steele 15. New Westminster 7. Clinton 16. Nicola 8. Kamloops much...trade. These explorers tended to travel through new territory in small groups, and once they got what...Auriferous silver (electrum), crystal 2 mm high, 5th level, Governor vein, Engineer mine, Taku Arm, Tagish |  | | Journal (article/letter/editorial) | | northwest (for the Brixton, Bonanza, Promise, Coronation, Tusschenin, Elandslaagte, Koedoeslaagte and...types sampled for this study. (A) Diamictite (Coronation Formation, BAB1). (B) Quartz arenite (Palmietfontein...(Palmietfontein Formation, AM1). (C) Immature sandstone (Coronation Formation, BAB1). (D) Intercalated siltstone...formations were sampled, namely the Promise, Coronation and Rietkuil Formations. Sampled lithologies...2). Seven formations were sampled, namely the Coronation, Palmietfontein, Afrikander, Koedoeslaagte, Rietkuil |  | | Journal (article/letter/editorial) | | ............................ 35I Bridge River District ................................................Southern California, with those of Bridge River District ................. 352 Compositionand structuresof...Canada. 350 GOLD-QUARTZ VEINS OF BRIDGE RIVER DISTRICT. 351 brieflythegold-quartzdeposits of.'the.region...this is a part. GENERAL GEOLOGY. Bridge River District.--The rock formations of the Bridge River districtrangein...containing unimportant seamsof lignite,occurswithin the district. These rocks are referred provisionallyto the |  | | Book | | century; and the exploration and expansion of the New World the Americas and Australia can be seen in the...factory in Babylon to Tiffany's in contemporary New York. Kenneth Blakemore's eminently readable, sumptuously...uB^^«v BROOMFIELD, COlOP^OO AND DAY/Publishers/New York | First published in 1971 Copyright C 1971...Publishers j 1 East 48 ISBN 8128-1413-4 Street, New York, N.Y. 10017 Produced by November Books Limited...authority, giving it a central role in their coronation ceremonies to symbolise their divine right to |  | | Journal (article/letter/editorial) | | supracrustalrocksmetamorphosed to the upper amphibolitefacies.The mine sequenceat the north gold zone consistsof nodular...ratiosincreasesymmetricallyaway from the ore zone. The mine sequenceis interpreted asa metamorphosed exhala...body of gold-silvermineralizationnorth of the old mine workings(McAdamandFlanagan,1976) andbegan mining...its characteristicsin terms of the metamorphism. District Geology tholeiitic affinity characteristicof...whose axial trace passeseastof the metabasaltridge. Mine Geology lenses of massive sulfides, disseminated |  | | Journal (article/letter/editorial) | | mixing of settingisotopicsystematics and introducing new mineral wt %), possibly phases (Kerrich,1986;Claou6-Long...veindeposit in NorthernIreland tellurides 1996). This electrum occurs as small, rounded grains within thatnotonlydocument...mineralization stage (el)andlaterfracture-hosted electrum (e2)hosted bypyrite. Other fracture-hosted phases...crosscutting pyrite contains quartz andsecondary stage electrum (e2). Width ofview= 340/•m. D. SEM-CL image ofsaneviewas(C)...deformation thebrine.Dynamic considerations of electrum precipitation possibly datingfromthe AshJan (-335 |  | | Book | | published in 1997 by Harry N. Abrams, Incorporated, New York A Times Mirror Company All rights reserved...these are now in the Egyptian Museum, Cairo. In New York the Metropolitan Museum of Art boasts the jewellery...it did. Had the prodigious quantities of gold, electrum and silver taken to the tombs of kings and nobility...city of Meroe in Sudan. It was here, beside their new capital, that the successors of the Kushite 25th...inlaid lapis lazuli background, show part of the coronation ritual. In two separate scenes King Ahmose kneels |  | | Report (issue) | | Front cover top: 5.1 cm high from Eagle's Nest mine in Placer County, Caifornia, USA Collection Marlin...wall of gold bricks in the Federal Reserve Bank of New York's gold vault Photo Robert Gambee Below: Crystallized...three-component system shows the extension of the two-phase region ( Ag-rich and Cu-rich crystals) under falling temperatures...photo Stefan Weiss Lower Right: Round Mountain gold mine, Nye County, NV, USA 2.5 cm wide; Ron Pellar collection;...collection; Jeff Scovil photo Below: Olinghouse gold mine, Washoe County, Nevada, USA 12. 7 cm across; collection |  | | Journal (volume) | | century under the name "Attu Silvergruva" (Attu Silver Mine). The name was derived from the silver-bearing galena...mined there (pehrman 1932). The age of the Attu mine and the type of ore extracted cannot be exactly...indication of a green copper mineralization. The mine was then 8 cords (1 cord = 1.75 m) long, 1 cord...pub. The man was 108 years old and said that the mine was older than he was" (Translated from the Swedish...reported that in 1835 Westling paid a visit to the Attu mine and said he had found pyrite and pyrrhotite but |  | Mernagh, T. P., Heinrich, C. A., Leckie, J. F., Carville, D. P., Gilbert, D. J., Valenta, R. K., Wyborn, L. A. I. (1994) Chemistry of low-temperature hydrothermal gold, platinum, and palladium (+ or - uranium) mineralization at Coronation Hill, Northern Territory, Australia. Economic Geology, 89 (5) 1053-1073 doi:10.2113/gsecongeo.89.5.1053 | Journal (article/letter/editorial) | | carbonaceous-chloritic host rocks. Introduction The Coronation Hill Au-Pt-Pddepositislocatedin the upper part...1984; Ballhaus later by cyanideextraction. The Coronation Hill JointVenturewhichcurrently and Stumpfi,1986;...quartzandcarbonate veiningin diamond drill core extracted from Coronation Hill and wascarriedout as part of the ResourceAssessment...d and the 1055 MINERALIZA'rlON CHEMISTRY, CORONATION HILL, NT, AUSTRALIA 132ø 133 ø Mesozoic, Palaeozoic...Significant mine or prospect Kakadu National Park Boundary .: ß.- .. ?:':'.- .. i . CorOnation Hill |  | Parnell, J., Earls, G., Wilkinson, J. J., Hutton, D. H. W., Boyce, A. J., Fallick, A. E., Ellam, R. M., Gleeson, S. A., Moles, N. R., Carey, P. F., Legg, I., Carey, P. F. (2000) Regional Fluid Flow and Gold Mineralization in the Dalradianof the Sperrin Mountains, Northern Ireland. Economic Geology, 95 (7) 1389-1416 doi:10.2113/gsecongeo.95.7.1389 | Journal (article/letter/editorial) | | mineralization characterized by an assemblage of electrum, pyrite, arsenopyrite, chalcopyrite, tennantite-tetrahedrite...flow resulted in the remobilization of earlier electrum, reducing its fineness, and also introduced base...gold and probably had a separate source. In the region of Cononish, the parent fluid for base metal sulfides...of Northern Ireland (Arthurs, 1976) encouraged a new phase of mineral exploration in the Dalradian (Neoproterozoic)...Terrane-bounding fault Basement lineament FIG. 1. Map of region of northern British Isles, showing Caledonian terranes |  | | Book | | discovery of the Comstock Lode in Nevada in 1859, a new word entered the English language. This fabulous...the era of space research, the metal has brought a new wonder to our knowledge of the galaxy. In April 1978...natural state. It was mined in the Great Boulder Mine, at Kalgoorlie, and was analysed as 999 parts fine...was found at Ballarat. found in the Barberton district in South Africa in 1912, and weighing just over...distinguished Swedish chemist Baron Berzelius discovered a new non-metallic element, occurring in various forms |  | | | | discovery of the Comstock Lode in Nevada in 1859, a new word entered the English language. This fabulous...era of space research, the metal has brought a new wonder to our knowledge of the galaxy. In April 1978...natural state. It was mined in the Great Boulder Mine, at Kalgoorlie, and was analysed as 999 parts common... the ‘Peacock’ nugget, found in the Barberton district in South Africa in 1912, and weighing just over...distinguished Swedish chemist Baron Berzelius discovered a new non-metallic element, occurring in various forms |  | | Book | | London, N 19 and in New York by E. P. Dutton and Co Inc 201 Park Avenue South, New York 3, NY Set in 8D...Panama, perhaps c. AD 500. John Wise collection, New York 12 For the Incas, gold meant the sun; for...Pedro de Cieza de Leon record the strangeness of the new world interpreted by the old: 'As they observed the...Italian, mid 16th century. Metropolitan Museum, New York as certain of the most beautiful and beloved... The Emperor Charles V in 1520, the year of his coronation at Aachen at the age of 20. Gold and enamel, |  | Steadman, Jeffrey A., Large, Ross R. (2016) Synsedimentary, Diagenetic, and Metamorphic Pyrite, Pyrrhotite, and Marcasite at the Homestake BIF-Hosted Gold Deposit, South Dakota, USA: Insights on Au-As Ore Genesis from Textural and LA-ICP-MS Trace Element Studies. Economic Geology, 111 (7) 1731-1752 doi:10.2113/econgeo.111.7.1731 | Journal (article/letter/editorial) | | that the volume of upper Poorman Formation in the mine area (approx. 12 km3) could potentially yield ~4...Precambrian and Tertiary lithologies within the mine; (2) other gold deposits of known Tertiary age in...the Homestake mine; (2) Tertiary galena from veinlets cutting both the Paleoproterozoic mine stratigraphy...the Tertiary intrusive rocks within the Homestake mine, as well as the Tertiary epithermal gold deposits...Homestake mine sequence, showing thickness and ages of each unit. metasedimentary rocks of the mine sequence |  | | Journal (article/letter/editorial) | | Au-Ag alloy + AgCl in HCI/NaCI solutions at 300°C: New data on the stability of Au (I) chloride complexes...a c t - - T h e solubility of A u - A g alloy (electrum) + AgC1 (chlorargyrite) was measured in aqueous...highly effective f ~ sensor. By varying the initial electrum composition (XAu = 0.3 to 1.0), total chloride...variations in the composition, or fineness, of electrum in oreforming environments, as shown by a number...significant concentrations, as in the minerals electrum ( A u - A g alloy), amalgam ( A u - H g alloy) |  | | Journal (article/letter/editorial) | | from a palladian gold nugget (Gongo Soco iron ore mine, Minas Gerais, Brazil) A. RAPHAEL CABRAL* AND ...auriferous vein (‘jacutinga’) of the Gongo Soco iron ore mine, Quadrilátero Ferrõ´fero, Minas Gerais, allows...Seamon, 1882; Varajão et al., 1999); (2) palladian electrum, Kupferschiefer, Poland (Kucha and Przybylowicz...high-level, very oxidizing environment. In the Itabira district, Minas Gerais, Hussak (1906a) found grains of...the iron ore mines of the world-class iron ore district of central Minas Gerais, known as Quadrilátero |  | | Journal (article/letter/editorial) | | enrichment in sphalerite, galena, tetrahedrite and electrum over chalcopyrite toward the stratigraphic hanging...metamorphism. The second set of data consists of mine analyses taken as average grades of Au, Ag, Cu and...in the mine, an effect attributable to dynamic metamorphism. INTRODUCTION The Flin Flon mine, located...enrichment in sphalerite, galena, tetrahedrite and electrum over chalcopyrite toward the stratigraphic hanging...Western Nuclear; 2 = Flexari 3 = Birch Lake; 4 = Coronation; 6 = Mandy; 7 = Schist L a k e ; 8 = W h i t |  | Shepherd, Tom J., Bouch, Jon E., Gunn, Andrew G., McKervey, John A., Naden, Jonathan, Scrivener, Richard C., Styles, Michael T., Large, Duncan E. (2005) Permo–Triassic unconformity-related Au-Pd mineralisation, South Devon, UK: new insights and the European perspective. Mineralium Deposita, 40 (1) 24-44 doi:10.1007/s00126-004-0459-3 | Journal (article/letter/editorial) | | unconformity-related Au-Pd mineralisation, South Devon, UK: new insights and the European perspective Received: 29...the importance of selenides. This paper reports new mineralogical, geochemical and isotopic data for...unconformity-type U-Au deposits of Jabiluka and Coronation Hill, Australia where sub-economic enrichments...Whether Permo–Triassic sediments covered the entire region, albeit thinly, is difficult to establish, but it...drainage and overburden of the contiguous South Hams district and nearby Crediton Trough (Leake et al. 1991 |  | | Journal (article/letter/editorial) | | Western Nuclear, 2. Flexar, 3. Birch Lake, 4. Coronation,6. Mandy, 7. Schist Lake, 8. White Lake, 9. Cupms...60 , FIG. 3. Geological map of the Flin Flon mine showing plan views on 1170 and 3000 levels. shown...also Koo, 1973 for details). 14304 1690. 1950. Mine Geology 2210. Cu-Zn orebodiesof two types, massiveand...describedprimary structures Flin Flon deposit (after mine maps). Two parts of the suchas amygdules,pillows...reference lines. Locations of underground stratigraphy. mine workings and drill holes selected for study are |  | Prichard, Hazel M., Knight, Robert D., Fisher, Peter C., McDonald, Iain, Zhou, Mei-Fu, Wang, Christina Y. (2013) Distribution of platinum-group elements in magmatic and altered ores in the Jinchuan intrusion, China: an example of selenium remobilization by postmagmatic fluids. Mineralium Deposita, 48 (6) 767-786 doi:10.1007/s00126-013-0454-7 | Journal (article/letter/editorial) | | K-Ar dating and crosscutting relationships however, new U-Pb dating appears to show that the intrusion is...for LA-ICP-MS. Analyses were carried out using a New Wave Research UP213 UV laser system coupled to a...JC-26. JC-24 contains two electrum ave. 2×1 μm and JC-29 contains one electrum 1×0.5 μm JC-54 JC-30 JZ-02...telluride, as well as rare Au-bearing PGM and electrum are almost entirely enclosed by or 34.5 34...Se Paar et al. (1998), Stanley et al. (1990) Coronation Hill, Australia Au-bearing carbonate veins in |  | | Journal (article/letter/editorial) | | EVL made two important nickel discoveries in the region: in the Arthrath intrusion near Ellon, about 25...sills of late Caledonian age located in the Assynt district of the Moine Thrust Belt of northwest Scotland...Caledonian orogen Fig. 3 Simplified geology of Assynt district of northwest Scotland showing locations of Loch...wide range of geological settings, including the New Rambler deposit, Wyoming, 42 Lac des Isles, Ontario...87 the Labrador Trough5 and the Fifield complex, New South Wales.28 The micro-scale distribution of PGM |  | | Journal (article/letter/editorial) | | of mineralization and deformation, Peak Au mine, Cobar, New South Wales a C. Perkins , M. C. Hinman ...of mineralization and deformation, Peak Au mine, Cobar, New South Wales , Australian Journal of Earth...of mineralization and deformation, Peak Au mine, Cobar, New South Wales* C. PERKINS, 1 M. C. HINMAN2†...alteration muscovite from the Peak Au mine in the Early Devonian Cobar Basin, New South Wales, has distinguished...The Cu-Au phase of mineralization at the Peak Au mine which was broadly contemporaneous with the culmination |
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