 | | Journal (article/letter/editorial) | | ductile-brittle shear zone, Macraes Mine, Otago Schist, New Zealand Received: 4 December 1997 / Accepted:...schist which hosts the Macraes Mine in East Otago, New Zealand has been pervasively altered by post-metamorphic...by a variety of metamorphic minerals including siderite, chlorite, muscovite and calcite. The early stages...reduction and recrystallization of micas to form a new foliation. Muscovite has grown at the expense of...Geology Department, University of Otago, PO Box 56, Dunedin, New Zealand P.V. Angus Macraes Mining Co. Ltd |  | | Journal (article/letter/editorial) | | ore in an orogenic gold deposit, Macraes mine, New Zealand Received: 5 October 2004 / Accepted: 31 January...(mesothermal) gold deposit in metasedimentary rocks of the Otago Schist belt. Much gold occurs within altered schist...Geology Department, University of Otago, PO Box 56, Dunedin, New Zealand E-mail: dave.craw@stonebow.otago...refractory ore at the Macraes mine of southern New Zealand. The Macraes deposit is different from most vein-hosted...location of the area in southeastern, South Island New Zealand is indicated in the inset map (centre left) |  | | Book | | UC-NRLF NEW ZEALAND of department Geological Survey Branch (P. G. Morgan, Director). LIST...LIST OF THE MINERALS OF NEW ZEALAND, BY P. O. Issued MORGAN AND under the authority of the Hou, J...Z. JOHN MACKAY, GOVERNMENT PRINTER 1913. NEW ZEALAND-!, n Department jfe 5j Geological Survey...Morgan, Director). LIST OF THE MINERALS OF NEW ZEALAND, P. Issued O. MORGAN AND under the authority...Minerals . . ... LIST OF THE MINERALS OF NEW ZEALAND INTKODUCTION. FOR many years there has been |  | | Report (issue) | | NEW ZEALAND DEPARTMENT OF SCIENTIFIC AND INDUSTRIAL RESEARCH NEW ZEALAND GEOLOGICAL SURVEY 125th ANNIVERSARY...1865 -1990 NEW ZEALAND GEOLOGICAL SURVEY BULLETIN 104 ISSN 0077-9628 Minerals of New Zealand by G. L....initials should be G.T., not G.L. Lower Hutt, New Zealand 1990 I I Beach sand, alluvium, • terrace...Figure 1. Simplified geological sketch-map of New Zealand. 0 20 40 60 80 100 KM l INTRODUCTION It...Morgan's "Minerals and Mineral Substances of New Zealand" was published, as NZ. Geological Survey bulletin |  | | Journal (article/letter/editorial) | | Macraes gold mine, Otago Schist, New Zealand D. Craw * Geology Department, University of Otago, PO Box 56, 9001...9001 Dunedin, New Zealand Received 7 June 2001; accepted 31 May 2002 Abstract The Macraes gold deposit...deposit in the Otago Schist, New Zealand, formed during late metamorphic fluid flow through a lower greenschist...reserved. Keywords: Gold; Metamorphism; Graphite; New Zealand 1. Introduction Most schist-hosted mesothermal...contrast, the Macraes gold mine in the Otago Schist of New Zealand has volumetrically minor quartz veins |  | Mortensen, J. K., Craw, D., MacKenzie, D. J., Gabites, J. E., Ullrich, T. (2010) Age and Origin of Orogenic Gold Mineralization in the Otago Schist Belt, South Island, New Zealand: Constraints from Lead Isotope and 40Ar/39Ar Dating Studies. Economic Geology, 105 (4) 777-793 doi:10.2113/gsecongeo.105.4.777 | Journal (article/letter/editorial) | | Orogenic Gold Mineralization in the Otago Schist Belt, South Island, New Zealand: Constraints from Lead Isotope...University of Otago, Dunedin, New Zealand 9054 Abstract The Otago Schist belt of southern New Zealand hosts...metamorphism. Previous 40Ar/39Ar dating studies in the Otago Schist belt indicate formation ages of ~106 to 101...samples from 17 separate mineralized zones in the Otago Schist belt are relatively radiogenic, consistent...exclusively in the more radiogenic cluster. The new 40Ar/39Ar dating results and Pb isotope studies, |  | | Journal (article/letter/editorial) | | Terranes, South Island, New Zealand: Implications for the gold endowment of the Otago Schist? Frank P. Bierlein...Geology Department, University of Otago, PO Box 56, Dunedin, New Zealand a r t i c l e i n f o Article...Mantle plumes Orogenic gold Ore-forming processes Otago Schist a b s t r a c t We report quantitative X-ray...South Island of New Zealand. These rocks underlie the Mesozoic metasedimentary Otago Schist which is...mafic rocks, the anomalous gold endowment of the Otago Schist may have been enhanced via the accretion |  | Cave, Ben J., Pitcairn, Iain K., Craw, Dave, Large, Ross R., Thompson, Jay M., Johnson, Sean C. (2017) A metamorphic mineral source for tungsten in the turbidite-hosted orogenic gold deposits of the Otago Schist, New Zealand. Mineralium Deposita, 52 (4) 515-537 doi:10.1007/s00126-016-0677-5 | Journal (article/letter/editorial) | | turbidite-hosted orogenic gold deposits of the Otago Schist, New Zealand Ben J. Cave 1 & Iain K. Pitcairn 2 & Dave...Abstract The orogenic gold deposits of the Otago Schist, New Zealand, are enriched in a variety of trace elements...Geology Department, University of Otago, PO Box 56, Dunedin, New Zealand fluid. These results are supportive...models for orogenic gold mineralisation in the Otago Schist, whereby prograde metamorphic recrystallisation...deposits are less well constrained. The Otago Schist of southern New Zealand (Fig. 1) provides an ideal natural |  | Scanlan, Emma J., Scott, James M., Wilson, Victoria J., Stirling, Claudine H., Reid, Malcolm R., Le Roux, Petrus J. (2018) In Situ 87Sr/86Sr of Scheelite and Calcite Reveals Proximal and Distal Fluid-Rock Interaction During Orogenic W-Au Mineralization, Otago Schist, New Zealand. Economic Geology, 113 (7) 1571-1586 doi:10.5382/econgeo.2018.4603 | Journal (article/letter/editorial) | | During Orogenic W-Au Mineralization, Otago Schist, New Zealand Emma J. Scanlan,1,†,* James M. Scott,1...of Otago, Dunedin 9054, New Zealand of Chemistry, University of Otago, Dunedin 9054, New Zealand for...Trace Element Analysis, University of Otago, Dunedin 9054, New Zealand 4Department of Geological Sciences...W-Au mineralization occurring in the Otago Schist in New Zealand. Scheelite Sr isotope populations, regardless...the Cretaceous W-Au mineralizing fluids in the Otago Schist were mobile over at least km-scale and probably |  | Fairmaid, A. M., Kendrick, M. A., Phillips, D., Fu, B. (2011) The Origin and Evolution of Mineralizing Fluids in a Sediment-Hosted Orogenic-Gold Deposit, Ballarat East, Southeastern Australia. Economic Geology, 106 (4) 653-666 doi:10.2113/econgeo.106.4.653 | Journal (article/letter/editorial) | | continental crust that may underlie some parts of the region (e.g., Cayley et al., 2002; Miller et al., 2005)...and their presence in the basement beneath the region is also inferred from seismic data (Cayley et al...field. In common with gold fields elsewhere in the region, the Ballarat gold field occurs in close proximity...gold-related fluid inclusions across the entire region (e.g., Cox et al., 1991b; Gao and Kwak, 1995; Changkakoti...km FIG. 2. Geological map of the Ballarat East region showing the Ballarat East and Ballarat West gold |  | | Journal (issue) | | dinosaur paleontology. year. Chunks of red-brown siderite are abundant, along with yellow sulfur balls (composed...balls and siderite concretions, making excavation difficult. The landscape of the badlands region was gorgeous...one-week visit. The prehistoric landscape of the region was much different. In the late Cretaceous, it...went prospecting. The aim of prospecting is to find new fossils to dig up in the next season, as well as...was great meeting rock hounds from all over the region. One happy hunter drove to Willis Mountain all |  | | Report (issue) | | Country around Banbury and Edge Hill (Explanation of Sheet 201, New Series) By E. A. Edmonds, M.Sc....Edge Hill (Men1. Geol. Surv.) PLATE I (Frontispiece) (A9338) LONG HILL, NEAR SHUTFORD. THE HILL [S COMPOSED... ••• 111 PREFACE THE D1s1x.r:cr represented by New Series One-inch Geological Banbury (201) Sheet was...has carried out spectrographic examination of siderite and Mr. B. R. Young X-ray examination of chamosite...Marlstone Rock Bed 76 F10. 11. The geology of Brailes Hill, 10 miles west of Banbury. . .. 84 12. Sketch-map |  | | Journal (article/letter/editorial) | | Field Meeting in the Inlier of Benbow and Guy's Hill, Jamaica ... 32 BLACK, W. W. & M. M. SWEETING...-. Field Meeting at Green Bay and Port Henderson Hill, Jamaica 182 - - - . Field Meeting at the Palisadoes...Benbow and Guy's Hill, Jamaica 32 - - - & H. R. VERSEY. Field Meeting on Stony Hill and the Junction...R. VERSEY. Field Meeting at Hayes Common and Round Hill, Jamaica ... 38 READ, H. H. A Centenary Lecture:...VERSEY, H. R. & L. J. CHUBB. Field Meeting on Stony Hill and the Junction Road, Jamiaca ... 35 - - - & G |  | | Journal (article/letter/editorial) | | A new model for copper mineralisation in the Polish Kupferschiefer D. H. M. Alderton1, D. J. Blundell1...concentration of Cu in the fluid transport system. A new conceptual model is presented, based in particular...isotope ratios of present-day natural gas in this region suggest a mantle origin for the gas, supporting...Queensland, Klondike Exploration Services, 2000, 1–43. A new laboratory for LA-ICP-MS analysis of fluid inclusions:...main gangue phases. Deposits within the central region of the Alston Block are dominated by fluorite, |  | | Journal (article/letter/editorial) | | the proven deposit at Clontibret. However, the region is relatively underexplored for gold and the well-constrained...Reefton in the Buller Terrane, South Island, New Zealand; Muruntau in the southern Tien Shan, Central...example, at Tyndrum, Scotland (Hill et al., 2013); Round Hill, New Zealand (de Ronde et al., 2000), Loulo...purely metamorphic origin (e.g. Otago and Alpine Schists, New Zealand; Pitcairn et al., 2006). More recently...but remains controversial (Graham et al., 2017; Hill et al., 2013; Rice et al., 2016). This paper, synthesises |  | | Journal (article/letter/editorial) | | VANDALL T. K I N G P.O. Box 90888 Rochester, New York 14609 NEW YORK £ J A N E T W. C A R E S 18 Singletary...map; adapted from U.S. Geological Survey map of New Hampshire and Vermont (1972). 324 ROCKS & MINERALS...small particles is widely distributed over northern New England in glacial gravels, and many swiftly moving...saponite schorl scolecite? scorodite sepiolite siderite sillimanite sodalite spessartine sphalerite spinel...collectors, and these will undoubtedly prove to be new species for the state. Of particular value in increasing |  | | Book | | appointments at the Astrobiology Centre, University of New South Wales, Sydney, and the China University of...in Europe, southern Africa, South East Asia, New Zealand, the southwest Pacific, China, Greenland and...2 Ladolam Epithermal System, Lihir Island, Papua New Guinea . . . . . . . . . . . . . . . . . . . . ....3.3 Hauraki Goldfield, Coromandel Peninsula, New Zealand 5.3.4 The Epithermal Systems of the Biga Peninsula...Geothermal Systems of the Taupo Volcanic Zone, New Zealand . . . . . . . . . . . . . . . . . . . . . . |  | | Report (issue) | | supplies of minerals, especially within the Empire, new methods of usage and other commercial developments...1 N. America : Canada . . . . . 2 3 Australasia: New South Wales ; Queensland ; South Australia ; Tasmania...; Vi c t o r i a ; W e s t e r n Australia ; New Zealand . . . . 52 • • CHAPTER I I I SOURCES OF SUPPLY...ValuSterling. ANNUAL VARIATIONS IN VALUE OF SILVER In New York, quotations for silver are given i n cents per...Tertiary times. The mineralized areas in the Kootenay region have probably received more attention from the |  | Shaparenko, Elena, Gibsher, Nadezhda, Khomenko, Margarita, Tomilenko, Anatoly, Sazonov, Anatoly, Bul’bak, Taras, Silyanov, Sergey, Petrova, Marina, Ryabukha, Maria (2022) Parameters for the Formation of the Dobroe Gold Deposit (Yenisei Ridge, Russia): Evidence from Fluid Inclusions and S–C Isotopes. Minerals, 13 (1) 11 doi:10.3390/min13010011 | Journal (article/letter/editorial) | | The Yenisei Ridge is a strategically important region of Russia with regard to gold mining [1]. The gold...in gold ore genesis [19–30]. In recent years, a new genetic model for the formation of gold-sulfide mineralization...traditional thermobarogeochemical and the involvement of new methods and the latest generation of instruments...ongoing search for, exploration, and evaluation of new gold occurrences. The aim of this study was to reveal...(a)granoblastic 1) and vein (Qz2) ores contain siderite, anddeposit: chlorite, as well as(Qz ore minerals |  | | Book (volume) | | AND A MAP FIRST EDITION IN TWO VOLUMES VOL. II NEW YORK AND LONDON THE ENGINEERING AND MINING JOURNAL...DEPOSITS. 341 Besides the cobalt-nickel veins, the region also contains veins of carbonate spars free from...(25-ft.) vein at the diorite contact, worked for siderite, and which is notable because it is ac- companied...227). Barite and various carbonates, especially siderite, are the prevailing gangues. The fault fissures...NATURE OF ORE DEPOSITS. 343 1 . They carry siderite, ankerite and quartz as a nickel pyrite and bismuth |  | Lawrence, D. M., Treloar, P. J., Rankin, A. H., Harbidge, P., Holliday, J. (2013) The Geology and Mineralogy of the Loulo Mining District, Mali, West Africa: Evidence for Two Distinct Styles of Orogenic Gold Mineralization. Economic Geology, 108 (2) 199-227 doi:10.2113/econgeo.108.2.199 | Journal (article/letter/editorial) | | and metals from different reservoirs within the region. The As-rich Yalea-style deposits have characteristics...mineralization and iron oxide skarn development in the region. The data collected at Loulo highlight the diverse...1991; de Ronde et al., 2000; Pitcairn et al., 2006). New petrographic and lithogeochemical data presented...along the Senegal border. Operational mines in the region include Gara, Yalea, and Gounkoto on the Loulo...1324, gold extracted from alluvial placers in the region were transported by Emperor Mansa Moussa on his |  | | Report (issue) | | ••• Co,nmonwealth of Australia ••• • •• • •• New Zealand ... ••• ••• ••• ••• • •• I },OREIGN COUNTRIES:...ted in pence per standai:d oz., 925 fine, and· in New York in cents pe1-- fine oz . 1 1 1 TLe vl/01·ld'...of Australia '?{as greatly reduoed by the Broken Hill strike in 1919 and 1920. In the United States the...per fine oz. (including oost of sl1ip1nent fr,o m New York) and wa,s required £01~ the prosecl1tion -o...a 1naximun1 price corre,s ponding with tha,t in New Y,0rk. Silver ,,vas thus stabilized at a.bol1t $1 |  | | Corporate Document (Series) | | Wright] Rear cover: Bismuthinite on quartz and siderite, Princess mine {Photo: A. Tuma] Cassiterite on...ferroan magnesite, Mount Bischoff {Photo: A. Tuma] Siderite, Renison mine {Photo:]. Leeming] While every...entries (including many invalidated), while this new catalogue, published 100 years after Petterd presented...of mineral deposits, especially in the potential new or re-opened mines in the Avebury, Zeehan, Mt Bischoff...Tasmania) using X-ray diffraction. Information about new mineral occurrences in Tasmania was derived from |  | | Book (volume) | | Plains state varies from nearly level farmland to hill ridges, increasing steadily in elev. From 1,000’...rises abruptly into the 6,000 sq. mi. Black Hills region enclosed by the Belle Fourche and Cheyenne rivers...has come only from the core of the Black Hills region. Two divisions are recognized: the Northern Section...Fluorapatite (fluorescent orange). BUFFALO GAP, entire region W 37 mi. to the WY line, in stream gravels, cut...1½ mi. on buttes to Sagate, jasper; 7.4 mi. to new hwy. Cuts in badlands area, land surfaces to Ngem |  | | Journal (article/letter/editorial) | | DECEMBER 1950 GEOLOGY OF THE BROKEN HILL ORE DEPOSIT, BROKEN HILL, N.S.W., AUSTRALIA BY J. K. GUSTAFSON...geological work Acknowledgments Authorship The Broken Hill district General description Location and physiography...folds 1397 Introduction 1397 Broken Hill basin 1397 Broken Hill arch 1397 Hanging Wall basin 1397 Footwall...1384 1384 1385 1386 1370 GUSTAFSON ET AL— BROKEN HILL ORE DEPOSIT, N.S.W., AUSTRALIA Page Mechanical...strike-dip-plunge relationships Region from De Bavay fault to Round Hill General statement Stratigraphy |
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Round Hill, Otago Region, New Zealand