 | Falconer, D.M., Craw, D., Youngson, J.H., Faure, K. (2006) Gold and sulphide minerals in Tertiary quartz pebble conglomerate gold placers, Southland, New Zealand. Ore Geology Reviews, 28 (4) 525-545 doi:10.1016/j.oregeorev.2005.03.009 | Journal (article/letter/editorial) | | com/locate/oregeorev Gold and sulphide minerals in Tertiary quartz pebble conglomerate gold placers, Southland, New Zealand... Dunedin, New Zealand b Placer Solutions (2004) Ltd, P. O. Box 5284, Dunedin, New Zealand Institute of...Nuclear Sciences Ltd, P. O. Box 31312, Lower Hutt, New Zealand Received 15 February 2004; received in revised...recycling in the Waimumu district, Southland, New Zealand. These sediments contain fine-grained gold of detrital...goldforms associated with authigenic gold remobilisation. Most authigenic gold contains no detectable silver |  | | Journal (article/letter/editorial) | | EconomicGeology Vol. 84, 1989, pp. 953-958 AUTHIGENIC GOLD-MARCASITE CHEMICAL ACCRETION ASSOCIATION: IN...EVIDENCE FOR NUGGET GRAVELS, SOUTHLAND, D. M. CLOUGH GROWTH BY NEW ZEALAND AND D. CRAW GeologyDepartment...GeologyDepartment, Universityof Otago, Dunedin, New Zealand Introduction Low-temperaturegoldmobility hasbeen a...been directed at hypotheseson the origin of large gold nuggets.Most argumentsfor and againstgold mobil...upsurgeof interestin gold mobility over the past few years,encouragedby developmentof new techniques for investigation(e |  | | Journal (article/letter/editorial) | | Supergene gold transformation: Secondary and nano-particulate gold from southern New Zealand Frank Reith...Street, Private Bag 4749, Christchurch 8140, New Zealand a r t i c l e i n f o Article history: Received...Editor: J. Fein Keywords: Gold grains Gold nano-particles Gold mobility New Zealand Supergene a b s t r a...Biogeochemical processes drive the transformation of gold (Au) in surface environments. In this study we assess...settings. Gold grains were collected from six localities across the South Island of New Zealand. Deposit |  | | Journal (article/letter/editorial) | | drainage reorientation during placer gold accumulation, southern New Zealand Dave Craw Received: 14 November...topography in the Otago giant placer goldfield, New Zealand, which has resulted in numerous river capture...induced changes to gold transport directions and numerous stages of separation of detrital gold from primary...River capture events and timing of these events for gold-bearing paleodrainages have also been documented...fish that were isolated by drainage reorientation. Gold-bearing quartz pebble conglomerates had a southeastward |  | | Journal (article/letter/editorial) | | origin of coarse gold in Late Pleistocene sediments of the Cariboo placer mining district, British Columbia...September 1994 Abstract The Cariboo placer mining district (1000 km*) sited in the Interior Plateau of central...Canada, is the premier placer gold mining district of the Province. Gold is recovered from three Late...morphology (size, roundness, spheric&y) of 1636 gold grains, ranging in size from 0.25 to 17 mm, recovered...placer mines. Older gravels contain the smallest gold grains (mean grain size 1.53 mm), grains of intermediate |  | | Journal (article/letter/editorial) | | Otago, Leith Street, PO Box 56, Dunedin 9001, New Zealand Received 29 August 2002; accepted 13 February...suite of a variety of thin sediments in southern New Zealand, with no evidence for chemical corrosion. These...thermodynamic data for arsenopyrite. Calculations using the new thermodynamic data suggest that arsenopyrite has...otago.ac.nz (D. Craw). associated with hydrothermal gold deposits and these are further exposed by mining...processing. Arsenic-rich discharges are well known from gold mine tailings, but also there is less spectacular |  | | Report (issue) | | also contain zircon, monazite, rutile, leucoxene, gold, magnetite, scheelite and garnet in some of the...MINERALS AND ROCKS 1966 INFORMATION SERIES-No.63 NEW ZEALAND DEPARTMENT OF SCIENTIFIC AND INDUSTRIAL RESEARCH...R. E. Owen, Government Printer, Wellington, New Zealand—1967 —— FOREWORD One of the problems associated...reason of their impact on the development of New Zealand natural resources. With the establishment of...results readily available to a wide and perhaps new audience has become very rapidly apparent. I The |  | | | | NORTH ISLAND NEW ZEALAND Poor Kn1ght1 Is • . ,, r ,n H~n & C h1ck...Rivt~r I'. MY OF East C,pe Pf.NEW PLYMO • Cil.pe Eimo C • Portl.lfld I MY Secretar)'...ISLAND f Pq,1 Pt., 1~s II t I SOUTH ISLAND NEW ZEALAND +I s University College Cardiff Library...' _____ TELE - . _, • The Geology of New Zealand Volume 2 •• J-----~---.. ~ ::,,::::j::~....Associate Editors: G. R. Stevens, M. T. Te Punga New Zealand Geological Survey, Department of Scientific and |  | | Book (volume) | | NORTH ISLAND NEW ZEALAND Poor Kn1ght1 Is • . ,, r ,n H~n & C h1ck...Rivt~r I'. MY OF East C,pe Pf.NEW PLYMO • Cil.pe Eimo C • Portl.lfld I MY Secretar)'...ISLAND f Pq,1 Pt., 1~s II t I SOUTH ISLAND NEW ZEALAND +I s University College Cardiff Library...' _____ TELE - . _, • The Geology of New Zealand Volume 2 •• J-----~---.. ~ ::,,::::j::~....Associate Editors: G. R. Stevens, M. T. Te Punga New Zealand Geological Survey, Department of Scientific and |  | | Journal (article/letter/editorial) | | Otago, New Zealand D. Craw Geology Department, Universityof Otago, P.O. Box 56, Dunedin, New Zealand Received...unconformity cut into the Otago Schist belt in southern New Zealand is overlain by auriferous terrestrial sediments...localized gold mobility in basement gold deposits. Non-oxidizing fluids have mobilized detrital gold in auriferous...the South Island, New Zealand (Fig. 1). The unconformity intersects numerous gold deposits in the schist...overlain by auriferous terrestrial sediments in which gold mobility has been d o c u m e n t e d in several |  | | Journal (article/letter/editorial) | | the structural architecture of turbidite-hosted gold deposits, Victoria, Australia—R.K. Boucher, A.G...mining—R.H.T. Garnett 175 Mineralogical domains within gold provinces—M.J. Hughes and G.N. Phillips 191 Vol...stream sediment geochemistry of the Vilyuchinsky gold district, Southern Kamchatka, Russian Federation—M.Z...EARTH SCIENCES Geology of the orogenic Cheminis gold deposit along the Larder Lake-Cadillac deformation...773 Geochemistry of dispersed organic matter in gold-ore deposits of black shale formations—A.E. Budyak |  | dos Santos Alves, Kelvin, Barrios Sánchez, Santos, Gómez Barreiro, Juan, Merinero Palomares, Raúl, Compaña Prieto, José Manuel (2020) Morphological and compositional analysis of alluvial gold: The Fresnedoso gold placer (Spain) Ore Geology Reviews, 121. 103489 doi:10.1016/j.oregeorev.2020.103489 | Journal (article/letter/editorial) | | and compositional analysis of alluvial gold: The Fresnedoso gold placer (Spain) Kelvin dos Santos Alves...and compositional analysis of alluvial gold: The Fresnedoso gold placer (Spain), Ore Geology Reviews (2020)...and compositional analysis of alluvial gold: The Fresnedoso gold placer (Spain) Kelvin dos Santos Alves...: +34 923 294 500 ABSTRACT The Fresnedoso creek gold placer (FGP) in the Moraleja Basin (W Iberian Massif)...morphological, textural and compositional evolution of gold particles. A mixture of two populations has been |  | Etschmann, Barbara, Liu, Weihua, Li, Kan, Dai, Shifeng, Reith, Frank, Falconer, Donna, Kerr, Gemma, Paterson, David, Howard, Daryl, Kappen, Peter, Wykes, Jeremy, Brugger, Joël (2017) Enrichment of germanium and associated arsenic and tungsten in coal and roll-front uranium deposits. Chemical Geology, 463. 29-49 doi:10.1016/j.chemgeo.2017.05.006 | Journal (article/letter/editorial) | | Geology Department, University of Otago, Dunedin, New Zealand 7. Australian Synchrotron, Clayton, Vic. 3168...and beryllium (Be) contents. Over the past decade, new evidences showing that World-class Ge deposits result...Oligocene-Miocene fluviatile sediments (Gore Southland, New Zealand). The aim is to NU improve our understanding...a push to expand existing resources and develop new sustainable recovery methods for extracting these...Increased rates of use of these metals also create new environmental issues via increased anthropogenic |  | | Book (edition) | | Agate (Clent Hills). Topaz (Pegasus Bay). NEW ZEALAND MINERALS and GEMS by W. M. CAMPBELL, M.A.,...upon these sculptured features of a planet's face ? New Zealand's grainfields, whence come our daily bread...breakfast porridge, would not exist in Canterbury, Southland or Marlborough, because the Pacific would erode...Golden Clutha a floor of white quartz stones nets gold for the dredges and provides material unlimited...raised as continents. Down Westland way pebbles of gold have been found on river-course and seashore as |  | | Journal (article/letter/editorial) | | Placer Gold from the Rio Neuquén, Argentina: Implications for the Gold Budget in Placer Gold Formation...variable amounts of placer gold. In addition to rounded, detrital placer gold, the sediments also contain...crystalline gold (type 1 gold), which occurs as overgrowths on detrital placer gold cores. Type 1 gold is locally...locally rimmed by gold with a wormlike or crystalline texture (type 2 gold). The chemistry of the primary...origin. Type 1 gold is composed of virtually pure gold (>98 at. % Au) and type 2 gold is an Au-Hg amalgam |  | Knight, J. B., Morison, S. R., Mortensen, J. K. (1999) The relationship between placer gold particle shape, rimming, and distance of fluvial transport as exemplified by gold from the Klondike District, Yukon Territory, Canada. Economic Geology, 94 (5) 635-648 doi:10.2113/gsecongeo.94.5.635 | Journal (article/letter/editorial) | | lodedeposits and36placerdeposits in theKlondike district, Yukon Territory, Canada, wasundertaken. Theshape...336).It entcomplex have limitations when applied to gold (Tourtelot, 1968; hasalsobeenusedin arguments aboutthe...Riley,1973;WillettsandRice,1983).Shape whenappliedto gold,areusedin transport or settling beingnearerthe lodesource(e...1975;Tishchenko,1981; Herail et rim, of nearly pure gold at theiroutersurface (Desborough, al., 1989). 1970;...quantitative data on which to basethis simpleshapes. Gold,however, hasa widevarietyof complex discussion. |  | | Journal (article/letter/editorial) | | Bioaccumulation of gold by sulfate-reducing bacteria cultured in the presence of gold(I)-thiosulfate complex...Consolidated Gold Mine, Witwatersrand Basin, Republic of South Africa, was able to destabilize gold(I)-thiosulfate...Þ2 3 Þ and precipitate elemental gold. The precipitation of gold was observed in the presence of active...biogenic iron sulfide caused significant removal of gold from solutions by adsorption and reduction processes...processes on the iron sulfide surfaces. The presence of gold nanoparticles within and immediately surrounding |  | | Book | | THE HANDBOOK OF NEW ZEALAND MINES (WITI MAPS AND ILLUSTRATIONS). PART I. GOLD , SILVER, COPPER ...Menorian Cuthern Cara GENERAL GOVERNMENT OF NEW ZEALAND. LEGISLATURE . The Legislature is composed...C.M.G. , M.D. , F.R.S. Analyst W. SKEY. R. B. GORE . Clerk Acting Under-Secretary Inspecting Engineer...North Island . • Names of Wardens and Receivers of Gold Revenue will be found in their respective 690914...the development of the mineral resources of New Zealand , I have for a long time thought that a great |  | | Journal (issue) | | The identity of reddish-brown inclusions in a new type of Russian hydrothermal synthetic emerald Dr...distinct contents of chromium, titanium and nickel. A new type of Russian hydrothermal ZM synthetic emerald...reddish-brown platelets were mentioned as typical in the new synthetic emerald. These characteristic inclusions...One of the rough synthetic emerald crystals of the new type was found to contain transparent reddish-brown...Johnson, M.L., 1996. Gemological investigation of a new type of Russian hydrothermal synthetic emerald. Gems |  | | Report (issue) | | Calgary, Alberta T2P 2V7 S. B. Ballantyne Eldorado Gold Corporation 920, I055 Wesl Hostings Streel Vancouver...Craw University of Otago P.O. Box 56 Dunedin, New Zealand Introduction R.W. Macqueen .................the subsurface of southern Alberta? Evidence from new aeromagnetic anomaly data G.M. Ross, J. Mariano,...microdisseminated Au-Ag-Cu minerals, Fort Mackay region, northeastern Alberta H.J. Abercrombie and R. Feng........ .247 Alluvial platinum-group minerals and gold in Alberta: results from the "Orientation Studies |  | | Journal (volume) | | COLUMBIA UNIVERSITY, NEW YORK CITY. VOL. IX. SUPPLEMENTING VOLUMES I. TO VIII. NEW YORK AND LONDON: ...White—Metals—Aluminum—Antimony—Copper—Ferromanganese—Molyb¬ denum—Gold—Iron—Iridium—Lead—Nickel—Platinum — Quicksilver...in the United States—England—Technology—Green’s New Method of Producing Ammonium Sulphate—Oxidation of... in New York—Chart of World’s Production of Antimony—Average Monthly Prices of Antimony in New York—Progress...States—World’s Production of Arsenic—Out¬ put by the Canadian Gold Fields, Ltd.—Arsenical Adulterants in English Food |  | | Journal (volume) | | Nevada Mining at Bingham, Utah The Greenwater District Ditto Ditto Ditto Abyssinia, Minerals In The...Bob-Tailed Words Letters of a Seir-Made Miner to His New Foreman 431 Alderson, Matt. W...A Miner's Drills...Charles [64 James W. 82 431 114 Nelll 815 District, British W Columbia, The 783 431 795 736 241...Tube-Mill Lining Forbes Rlckard 511 17 The Boundary District The Mineral Output of. In 1906 Broken Hill, Acid...Editorial Wm. Amalgamation of Copper Ore Pan Amalle District of California, The American Copper Spiral Pipe |
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