 | | Journal (article/letter/editorial) | | 1994 No. 6 Distributionof Gold and Sulfidesat Lupin, NorthwestTerritories H.R. BULLIS,R.A. HUBEAU,AND...LupinOperations, EchoBayMines Ltd.,BagNo.1,Nisku, Alberta,Canada TOC2GO Abstract The Lupindepositislocatedonthe...sulfidesaboutquartzveinsis dearly seen,with the arsenopyrite halobeingmorerestricted aroundthe veinsthanthepyrrhotitehalo...veswith SINCEstart-upof productionin 1982, the Lupin de- an additional2.7 Mt of possiblereservesat 8...horshavetheir ownbiases.The geological staffat Lupin dealswith the depositon a daily basis over long |  | | Journal (article/letter/editorial) | | pyrrhotite (10vol%)andwithaccessory (-<0.5%) pyrite, arsenopyrite-loellingite, andchalcopyrite.Native goldisenclosed...partoftheArchcan 1996).Thegraywacke world-class Lupin deposit (>9.7 Mt at 10 g/t Au; Bullis et Yilgarn...succession isintrudedbyup The skarns in the Nevoria mine area are subdivided ac- to 450-m-thick, layered...highmagnegeologic mapof level3, Mainshaft,is basedon the mine amphibole-chlorite levelplan,onpetrographic samples...BIF 3 43.66 0.04 0.71 WeldBange silicate BIF Canada Algmna-type silicateBIF 4 5 49.76 0.01 0.26 |  | 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) | | Geology Division, DIAND, Yellowknife, 17. W.T., Canada (Received June 11, 1990; accepted after revision...covering 190,000 km z in the Northwest Territories of Canada, has an extensive history that goes back to Earth's...Geology Division, D I A N D , Yellowknife, N.W.T., Canada. 0301-9268/92/$05.00 Henderson, 1972). Important...is at Lupin Mine. I: Acasta River, old rocks. J: Indin Lake, letter is just west of Colomac Mine. 4...cite arguments for their presence only in that region. The oldest rocks are found along the Acasta River |  | Gourcerol, B., Thurston, P.C., Kontak, D.J., Côté-Mantha, O. (2015) Interpretations and implications of LA ICP-MS analysis of chert for the origin of geochemical signatures in banded iron formations (BIFs) from the Meadowbank gold deposit, Western Churchill Province, Nunavut. Chemical Geology, 410. 89-107 doi:10.1016/j.chemgeo.2015.06.008 | Journal (article/letter/editorial) | | Meadowbank gold deposit, Western Churchill Province, Nunavut B. Gourcerol a,⁎, P.C. Thurston a, D.J. Kontak...Ontario P3E 2C6, Canada Agnico Eagle Mines Ltd — Division Exploration, Chemin de la mine Goldex, Val d'Or...d'Or, Québec J9P 4N9, Canada a r t i c l e i n f o Article history: Received 18 September 2014 Received...the Rae Domain of the western Churchill Province, Canada. This study used 39 carefully selected and characterized...deposit in the western Churchill Province of northern Canada (Fig. 1). The greenstone belt is characterized |  | | Journal (article/letter/editorial) | | versityof BritishColumbia,Vancouver,BritishColumbia,Canada albite, and massivearsenopyrite (Thomson, 1986...Rutile is restrictedto the sericitematrixasare arsenopyrite, pyrrhotite,chalcopyrite,andgold. Sericite-chlorite...showingstylolitictexturesreportion consists of arsenopyrite, pyrrhotite,andchallated to the anastomosing...Quartz-cementedgraphiticpelite breccia ac = actinolite as = arsenopyrite bt -- biotite cc = calcite ch = chlorite cpy...blackmagnetite, andohiorite.Notepoikiloblastic natureof arsenopyrite. (f). SEMbackscatter imageof ore typeseen in |  | | Report (volume) | | excursion around and in the Passagem de Mariana gold mine, Minas Gerais, Brazil, by Ronald Fleischer and Diogenes...Scipioni Vial A49 Excursion to the Morro Velho gold mine, Minas Gerais, Brazil, by Frederico Wallace Reis...Lima de Oliveira A63 Excursion to the Cuiaba gold mine, Minas Gerais, Brazil, by Frederico Wallace Reis...(lower left), Stop 14 (center right) Morro Velho gold mine(left, center left, lower right) Introduction to... Structural complexities, Passagem de Mariana gold mine Mafic and ultramafic rocks at C6rrego dos Boiadeiros |  | | Journal (article/letter/editorial) | | massive base metal sulfide districts, especially Canada IV ORE AND GEOCHEMICAL RELATIONS 19 20 21 22...pyrite and/or pyrrhotite ubiquitous, few to 90% - arsenopyrite variable, when present may be rich ore or barren...clasts of auriferous pyrite 1422 E drift, Pamour Mine, Timmins, Ontario. 354 R.W. HUTCHINSON Fig....(right) facies ironformation (exposure south of Mine Doyon pit, Cadillac, Quebec ). Fig. 3 (d). Single...ankeritic walls and quartz core ( 12th level, Dome Mine, South Porcupine, Ontario ). contain more sediment-hosted |  | Bortnikov, N. S., Lobanov, K. V., Volkov, A. V., Galyamov, A. L., Vikent’ev, I. V., Tarasov, N. N., Distler, V. V., Lalomov, A. V., Aristov, V. V., Murashov, K. Yu., Chizhova, I. A., Chefranov, R. M. (2015) Strategic metal deposits of the Arctic Zone. Geology of Ore Deposits, 57 (6) 433-453 doi:10.1134/s1075701515060021 | Journal (article/letter/editorial) | | incorpo ration of the mineral resources of this region into the development of Russia requires a turn...been carried out only over a small part of this region, and most of its territory (~4 million km2) remains...canadian provinces (Yukon, Northwestern Territory, Nunavut), and Greenland. The Scandinavian sector embraces...districts and Polarny Town of Murmansk oblast (region); the Novaya Zemlya Archipelago of Arkhan gel’sk...6000 4000 Greenland Finland Sweden Norway Canada United States 0 Russia 2000 Fig. 1. Total |  | Brando Soares, Mariana, Corrêa Neto, Atlas Vasconcelos, Bertolino, Luiz Carlos, Alves, Felipe Emerson André, de Almeida, Antônio Modesto, Montenegro da Silva, Pedro Henrique, Mabub, Ricardo Oliveira de Araújo, Manduca, Luedson Guimarães, Araújo, Ivan Mendes Caixeta de Pamplona (2018) Multistage mineralization at the hypozonal São Sebastião gold deposit, Pitangui greenstone belt, Minas Gerais, Brazil. Ore Geology Reviews, 102. 618-638 doi:10.1016/j.oregeorev.2018.09.028 | Journal (article/letter/editorial) | | developed phases are: pyrrhotite, chalcopyrite, arsenopyrite, pyrite and arsenian-pyrite. Native Au occurs...post-kinematic pyrite and arsenopyrite, as fracture infills in arsenopyrite and in contact with gangue...gangue minerals. Electron-microprobe analyses in arsenopyrite reveal a 465 – 560°C precipitation temperature...lattice-bound Ni and Co in arsenian-pyrite and arsenopyrite, related to the mafic-ultramafic signature of...craton (Fig.1), the Quadrilátero Ferrífero (QF) region is one of the most important metallogenetic provinces |  | | Book | | November 23, 24, 25, 1987 Vancouver, British Columbia, Canada C. O. Brawner, Editor Advisory Organizations...processing, placer mining, heap leaching, small mine development, etc. This is the first major conference...numerous geotechnical review boards including Syncrude Canada Ltd., the North East Coal Program in BC, the State...Rock Mechanics, Chairman of the CACRM Committee on Mine Waste Embankments, Specialist Consultant to the...development of the ‘“‘Design Guide for Mine Waste Embankments in Canada,” Specialist Technical Advisor to |  | | Journal (article/letter/editorial) | | exploitation of several world class deposits, such as Lupin in Canada, Homestake in the United States, Mt. Morgans... Geological Set-up Ajjanahalli gold mine is an open cast mine, situated in the central portion of the...for further detailed exploration of gold in this region. Geological Survey of India carried out preliminary...1. Simplified geological map of the Ajjanahalli region, modified after Hellmann (2001). Location of the...drill-core samples and samples collected from the mine pits, shows that there are broadly three types of |  | | Journal (article/letter/editorial) | | amphibolite facies metasedimentary rocks in the Tanami Region, Northern Territory, Australia. The ore bodies...sulfide–arsenide mineralization, dominated by pyrrhotite, arsenopyrite, and loellingite, with minor pyrite, chalcopyrite...content is indicated by the assemblage pyrrhotite–arsenopyrite–loellingite+rare pyrite. The growth of amphibolite...temperature, CO2-poor, and H2S-poor. Keywords Tanami region . Proterozoic gold . Structural control . Shear...Australia The Granites gold mine is situated within the Tanami Region in the Northern Territory, 550 |  | | Book | | ~"' - ..\, . ~ / Geological Association of Canada g,A Mineral Deposits Divioon . I\ ~ I ORE...approximately 5 cm taii and is from the Eagle's Nest mine, Piacer County, California. Ross Beaty Collection...Mauthner. f I: ; It' !I National Library of Canada Cataloguing in Publication Data it I~ !I I I!...Association of Canada, Mineral Deposits Oivis,on - L'Association geaogiQue du Canada, Division des gites...carolyn Diane (1959-) IV. Geological Association of Canada Mneral Deposits Division QE390.M37 2004 553 C2004-902030-7 |  | | Journal (article/letter/editorial) | | supposedly substituting for As and Fe, e.g. in arsenopyrite (see [1] and many others thereafter). Nanogold...metamorphics, however with a preference for arsenopyrite and pyrite. The nanogold was identified by using...to crystalchemical features of host sulfides: arsenopyrite with different Fe/As ratios, As-bearing varieties...Earth Sciences, Laurentian University, Sudbury, Canada (tulrich@laurentian.ca) 2 Laboratory for Isotope... University of Alberta, Edmonton, AB, T6G 0B9, Canada Geological studies of ancient orogens have shown |  | | Report (issue) | | in relative proximity to the closed Nalunaq gold mine and the Archaean terranes of southern West and SouthWest...all available knowledge and data for a specific region (tract) to assess the possibility of finding undiscovered...Au and the HollingerMcIntyre deposit in Ontario, Canada with 987 tons Au (Table 1). The tonnage of orogenic...swarms Meteoric Golden Mile, Hutti U. Greenschist Lupin, Hutti, Metamorphic Pb, Sr, Au? Pegmatite dykes...zone of ankerite, chlorite, quartz, pyrite, arsenopyrite, pyrrhotite, chalcopyrite, tennantite and gold |  | | Journal (article/letter/editorial) | | July 1997; accepted 29 July 1997 Abstract The Lily mine, located some 24 km northeast of Barberton in South...adjacent to the Lily Fault. Native gold occurs with arsenopyrite, pyrrhotite, minor chalcopyrite, sphalerite...greenstone belt showing the location of the Lily mine. ŽSimplified from Anhaeusser et al., 1983 and de...Williamsr Ore Geology ReÕiews 12 (1997) 135–151 mine workings at Lily ŽFig. 2. has outlined a hypogene...felsic metavol- Fig. 2. Surface geology of the Lily mine area showing the locations of drill holes LS16–18 |  | | Journal (article/letter/editorial) | | Stage 4, stilpnomelane, siderite, pyrrhotite, arsenopyrite and pyrite, syn-D4c; Stage 5, silica, minnesotaite...Stage 6, Fe-rich chlorite, muscovite, calcite, arsenopyrite and pyrite, syn-D5. Comparisons with other turbidite-hosted...involves the separation of pyrite, pyrrhotite and arsenopyrite from ore horizons in the Magdala deposit for...this paper, are kept on site at the Stawell Gold Mine. Special attention was paid to the Downloaded...given in Appendix 2*. Pyrite, pyrrhotite and arsenopyrite grains were handpicked from 44 samples representing |  | Sherlock, R. L., Shannon, A., Hebel, M., Lindsay, D., Madsen, J., Sandeman, H., Hrabi, B., Mortensen, J. K., Tosdal, R. M., Friedman, R. (2012) Volcanic Stratigraphy, Geochronology, and Gold Deposits of the Archean Hope Bay Greenstone Belt, Nunavut, Canada. Economic Geology, 107 (5) 991-1042 doi:10.2113/econgeo.107.5.991 | Journal (article/letter/editorial) | | Deposits of the Archean Hope Bay Greenstone Belt, Nunavut, Canada* Ross L. Sherlock,1,2,3,† Andrew Shannon,4...Richard Friedman 5,9 1 Canada Nunavut Geoscience Office, Iqaluit, Nunavut, Canada X0A 0H0 Mining Corporation...Columbia, Canada V7P 3S1 3 Gold Fields, Ste. 400, 1155 Robson St., Vancouver, British Columbia, Canada V6E...British Columbia, Vancouver, British Columbia, Canada V6T 1Z4 5Department of Earth and Ocean Sciences...British Columbia, Vancouver, British Columbia, Canada V6T 1Z4 6 Castle Peak Resources, Ste1200-999 West |  | Kolb, J., Hellmann, A., Rogers, A., Sindern, S., Vennemann, T., Bottcher, M. E., Meyer, F. M. (2004) The Role of a Transcrustal Shear Zone in Orogenic Gold Mineralization at the Ajjanahalli Mine, Dharwar Craton, South India. Economic Geology, 99 (4) 743-759 doi:10.2113/gsecongeo.99.4.743 | Journal (article/letter/editorial) | | Orogenic Gold Mineralization at the Ajjanahalli Mine, Dharwar Craton, South India JOCHEN KOLB,† ANDRÉ...52056 Aachen, Germany Abstract The Ajjanahalli gold mine is spatially associated with a Late Archean craton-scale...stilpnomelane, minnesotaite, sericite, ankerite, arsenopyrite, pyrite, pyrrhotite, and gold at ca. 300° to...and As, which indicates cogenetic formation of arsenopyrite and Mg-Ca carbonates. The greater extent of...deeper levels of the Chitradurga greenstone belt. Arsenopyrite, chalcopyrite, and pyrrhotite have δ34S values |  | Bogossian, Jessica, Hagemann, Steffen G., Rodrigues, Vinicius G., Lobato, Lydia Maria, Roberts, Malcolm (2020) Hydrothermal alteration and mineralization in the Faina greenstone belt: evidence from the Cascavel and Sertão orogenic gold deposits. Ore Geology Reviews, 119. 103293 doi:10.1016/j.oregeorev.2019.103293 | Journal (article/letter/editorial) | | micasiderite-pyrite-arsenopyrite±chalcopyrite. Gold is in equilibrium with arsenopyrite and within arsenopyrite disseminated...Cascavel deposits, respectively. Arsenopyrite geothermometry on arsenopyrite within gold-bearing veins in...produced from alluvial sand and gravels in the region (Silva and Rocha, 2008). In the last decades, several...Orinoco Gold Ltda. was developing an underground mine at the Cascavel deposit and conducted exploration...collected from underground workings in the Cascavel mine. Despite the emphasis on these two deposits, selected |  | Dabo, Moussa, Aïfa, Tahar, Miyouna, Timothée, Abdoul Diallo, Diery (2016) Gold mineralization paragenesis to tectonic structures in the Birimian of the eastern Dialé-Daléma Supergroup, Kédougou-Kéniéba Inlier, Senegal, West African Craton. International Geology Review, 58 (7) 807-825 doi:10.1080/00206814.2015.1123121 | Journal (article/letter/editorial) | | chlorite + pyrite and ± gold. Haematite and arsenopyrite are added in the sediments (pelite, greywake...abundance of sulphides (pyrite, chalcopyrite, arsenopyrite), and sulphide stockworks are more abundant...Type 4: lode mineralization with gold-bearing arsenopyrite (Ashanti, Ghana); Type 5: quartz lode mineralization...province (Feybesse et al. 2006): gold-bearing arsenopyrite with disseminated pyrite (e.g. Obuassi, Prestea...is responsible for disseminated gold-bearing arsenopyrite and Au-quartz lode type (Ashanti, Ghana), as |  | | Journal (article/letter/editorial) | | xenotime are the important accessory minerals. Arsenopyrite and pyrite are the major sulfide minerals, but...native state occurs within quartz, silicates and arsenopyrite. Notable distinctions in mineral assemblage...Robert et al., 2005) and BIF-hosted (e.g. Homestake, Lupin; Caddey et al., 1991; Kerswill, 1996). Gold deposits...particularly in Victoria of Australia, Nova Scotia, Canada, SE Guighou, China (Kontak et al., 1990; Cox et...development of large disseminated porphyroblasts of arsenopyrite (Fig. 4e), pyrite and carbonate spots. Sulfides |  | van Ryt, Matthew R., Sanislav, Ioan V., Dirks, Paul H.G.M., Huizenga, Jan M., Mturi, Marwa I., Kolling, Sergio L. (2017) Alteration paragenesis and the timing of mineralised quartz veins at the world-class Geita Hill gold deposit, Geita Greenstone Belt, Tanzania. Ore Geology Reviews, 91. 765-779 doi:10.1016/j.oregeorev.2017.08.023 | Journal (article/letter/editorial) | | 2520, South Africa c Geita Gold Mine, Geita, P.O. Box 532, Geita Region, Tanzania Keywords: Archean gold;...Abitibi gold deposits from the Superior Province in Canada (e.g., Kitney et al., 2011) as well as most other...system throughout the entire tectonic history of a region (e.g., Bateman et al., 2001; Davis and Maidens...conglomeratic beds with angular chert clasts. The region was affected by at least five folding events and...Acknowledgements The authors would like to thank Geita Gold Mine and Anglogold Ashanti for financial support and |  | McNicoll, Vicki, Dubé, Benoît, Castonguay, Sébastien, Oswald, William, Biczok, John, Mercier-Langevin, Patrick, Skulski, Thomas, Malo, Michel (2016) The world-class Musselwhite BIF-hosted gold deposit, Superior Province, Canada: New high-precision U–Pb geochronology and implications for the geological setting of the deposit and gold exploration. Precambrian Research, 272. 133-149 doi:10.1016/j.precamres.2015.09.029 | Journal (article/letter/editorial) | | Musselwhite BIF-hosted gold deposit, Superior Province, Canada: new high-precision U-Pb geochronology and implications...Musselwhite BIF-hosted gold deposit, Superior Province, Canada: new high-precision U-Pb geochronology and implications...Musselwhite BIF-hosted gold deposit, Superior Province, Canada: new 9 high-precision U-Pb geochronology and...613-995-4003 an 17 Natural Resources Canada, Geological Survey of Canada, 601 Booth Street, Ottawa, ON K1A...Resources Canada, Geological Survey of Canada, 490 rue de la Couronne, Québec, QC G1K 9A9, Canada 19 3 |
|
