 | Lode, Stefanie, Piercey, Stephen J., Layne, Graham D., Piercey, Glenn, Cloutier, Jonathan (2017) Multiple sulphur and lead sources recorded in hydrothermal exhalites associated with the Lemarchant volcanogenic massive sulphide deposit, central Newfoundland, Canada. Mineralium Deposita, 52 (1) 105-128 doi:10.1007/s00126-016-0652-1 | Journal (article/letter/editorial) | | and framboidal pyrite, anhedral chalcopyrite, pyrrhotite, galena and euhedral arsenopyrite) by secondary...2006; Hannington 2014). Iron, Zn, Pb and Cu sulphides co-precipitate with sulphates (barite, anhydrite) and...et al. 2005; Piercey 2007; Rogers et al. 2007; Copeland et al. 2009; McNicoll et al. 2010; van Staal and...2006-01 from G.C. Squires and J.G. Hinchey and Copeland, 2009-012A-1486 4 5 ros e CAMBRIAN AND/OR...the Duck Pond and Boundary mines. Modified from Copeland (2009) and Squires and Hinchey (2006) Miner |  | Baker, T., Perkins, C., Blake, K. L., Williams, P. J. (2001) Radiogenic and Stable Isotope Constraints on the Genesis ofthe Eloise Cu-Au Deposit, Cloncurry District, Northwest Queensland. Economic Geology, 96 (4) 723-742 doi:10.2113/gsecongeo.96.4.723 | Journal (article/letter/editorial) | | North Queensland, Townsville, Queensland 4811, Australia C. PERKINS,* Department of Geology and Research...Australian National University, Canberra, A.C.T., Australia 0200 K. L. BLAKE, AND P. J. WILLIAMS Economic...Queensland, Townsville, Queensland 4811, Australia Abstract 40 39 New radiogenic ( Ar/ Ar) and stable (oxygen...respectively). The δ34S values for chalcopyrite, pyrrhotite, and pyrite fall in a narrow range between 0...from south to north, thus reflecting the zoned alteration system (magnetitepyrite-rich in the south through |  | | Report (issue) | | Carbonatite (82M/7, 10) Geochemistry Dating Mount Copeland Nepheline Syenite Gneisses (82M/2) Nepheline Syenite...Geology of the area south of Paradise Lake 46 Figure 10b. Cross-section A-A*, area south of Paradise Lake...composition of selected rocks from the 56 Mount Copeland syenite complex 62 Table 11. Chemical analyses...vermiculite and zirconium oxide are produced at Palabora, South Africa (Heinrich, 1966; Currie, 1976a). Nepheline...describe the host rocks of diamonds at Kimberley, South Africa. Since that time many rocks carrying olivine |  | | Journal (article/letter/editorial) | | the epithermal trace element suite (Au, Ag, As, Bi, Co, Cr, In, Mo, Ni, Sb, Sn, Te). Darker sphalerite (4...exceptions (e.g., Bathurst, New Brunswick, McClenaghan et al. 2006, 2009; Ming Mine, New- foundland, Brueckner...lapilli tuffs (Squires & Moore 2004, Copeland et al. 2008a, Copeland et al. 2008b, Gill & Piercey 2014)...to be an exhalative, chemical sedimentary unit (Copeland et al. 2008b, Lode et al. 2015). Minor base and...sulfides (i.e., pyrrhotite-arsenopyrite 6 chalcopyrite) (Copeland et al. 2008a, Copeland et al. 2008b, |  | | Report (issue) | | Diagrammatic view of the north flank of the valley of Copeland Creek near the ice-filled gorge.___________-___----____...principal metallic minerals are arsenopyrite, pyrite, pyrrhotite, chalcopyrite, sphalerite, and galena. The lodes...84 square miles in the drainage basins of Ohio, Copeland, Long, Colorado, and Costello Creeks and a section...satisfactory for use as triangulation points for the new map, it being impracticable to measure a base line...adjusted so as to conform to the elevation of the Copeland triangulation station of the United States Coast |  | | Journal (article/letter/editorial) | | Zn-Pb-Cu and Mount Lyell Cu deposits, Tasmania, Australia C. Perkins Department of Geology and Research...AustralianNational University,Canberra, ACT 0200, Australia Received: 5 October 1994/Accepted: 29 March 1995...Zn-Pb-Cu and Mount Lyell Cu deposits, Tasmania, Australia, has determined a succession of deformation events...widespread crustal shortening in southeastern Australia, as established from the dating of alteration...Middle Cambrian Mount Read Volcanics, Tasmania, Australia (Fig. 1), are richly mineralized with polymetallic |  | Pilote, Jean-Luc, Piercey, Stephen J., Brueckner, Stefanie M., Grant, David (2016) Resolving the Relative Timing of Au Enrichment in Volcanogenic Massive Sulfide Deposits Using Scanning Electron Microscopy-Mineral Liberation Analyzer: Empirical Evidence from the Ming Deposit, Newfoundland, Canada. Economic Geology, 111 (6) 1495-1508 doi:10.2113/econgeo.111.6.1495 | Journal (article/letter/editorial) | | (2) inclusions of electrum with tellurides in pyrrhotite grains, and (3) free electrum grains with base...southeast: 1807 zone, 1806 zone, Ming North, Ming South and Lower Footwall zone (Fig. 2). The geology of...568000m E Ming North Zone ht 562000m E Ming South Zone 1806 Zone 418 cie aS rook L To th B Sou...m ing th or -900 m 1806 1 Ming North Ming South +100 m 0m -100 m -200 m -300 m -400 m -500...by a pyrite-chalcopyrite assemblage with minor pyrrhotite-sphalerite and traces of galena-arsenopyrite |  | Lode, Stefanie, Piercey, Stephen J., Devine, Christine A. (2015) Geology, Mineralogy, and Lithogeochemistry of Metalliferous Mudstones Associated with the Lemarchant Volcanogenic Massive Sulfide Deposit, Tally Pond Belt, Central Newfoundland. Economic Geology, 110 (7) 1835-1859 doi:10.2113/econgeo.110.7.1835 | Journal (article/letter/editorial) | | phases are pyrite (framboidal and euhedral) and pyrrhotite, with minor chalcopyrite, sphalerite, arsenopyrite...Redox-sensitive trace elements (As, U, V, Mo, Cr, Ni, and Co) were scavenged as oxyanions onto Fe oxyhydroxides...diagenetically altered to Fe sulfides (pyrite, pyrrhotite), Fe carbonates (ferroan dolomite, ankerite ±...occurrences within the Tally Pond volcanic belt (Copeland et al., 2009; Fraser et al., 2012). The Lemarchant...pyrite, base metal sulfides with lesser amounts of pyrrhotite (Fraser et al., 2012). The mineralization occurs |  | | Report (issue) | | DEPOSITS OF THE UPPER CHULITNA AND YENTNA DISTRICTS, SOUTH-CENTRAL ALASKA GEOLOGY AND MINERAL DEPOSITS OF...characterizes the epigenetic deposits, and chalcopyrite; pyrrhotite and pyrite are locally abundant. In detail the...elsewhere. Wide valleys such as Partin, Shotgun, Ohio, Copeland, and the West Fork of the Chulitna River are suitable...canyon of Long Creek and on the valley walls of Copeland and Ohio Creeks. On the uplands isolated outcrops...the Upper Chulitna fault zone from about 1 mile south of Lookout Mountain to about 1% miles northeast |  | | Journal (article/letter/editorial) | | 199I-the right to collect in the Sawtooth Mountains of south-central Idaho. Although known by a few collectors...scheelite. Little Goose Creek Canyon, 5 miles east of New Meadows, placer deposits: chromite, CORUNDUM, diamond...magnetite, monazite, and zircon. Peacock mine (also South Peacock), Seven Devils district, in the mountains...EPIDOTE, and GROSSULAR. Pinehurst, for a few miles south, in basalt outcrops and road cuts along Highway...district: chalcanthite and sulfur. Rock Flat, east of New Meadows along Brundage Mountain Road: corundum, quartz |  | Zhou, Aorigele, Dai, Jin-Gen, Li, Ya-Lin, Li, Han-Ao, Tang, Ju-Xing, Wang, Cheng-Shan (2019) Differential exhumation histories between Qulong and Xiongcun porphyry copper deposits in the Gangdese copper metallogenic Belt: Insights from low temperature thermochronology. Ore Geology Reviews, 107. 801-819 doi:10.1016/j.oregeorev.2019.03.023 | Journal (article/letter/editorial) | | central GMA post ∼13 Ma were < 2 km, except for north–south rifting zone and river valley. These observations...Thrust; LMF: Longer-Milashan Fault; SNSZ: Shiquanhe-Nam Co mélange Zone; XLOBDS: Xietongmen-Lhasa-Oiga brittle-ductile...characteristics of the GMA is that it is cut by several north–south rifts, and the eastward flowing Yarlung River. The...the north and the Yarlung-Zangbo suture to the south (Allègre et al., 1984; Dewey et al., 1988; Li et...dike swarms are often associated with the north–south-striking normal faults (Hou et al., 2004b, 2009; |  | Gill, Shannon B., Piercey, Stephen J., Layne, Graham D., Piercey, Glenn (2019) Sulphur and lead isotope geochemistry of sulphide minerals from the Zn-Pb-Cu-Ag-Au Lemarchant volcanogenic massive sulphide (VMS) deposit, Newfoundland, Canada. Ore Geology Reviews, 104. 422-435 doi:10.1016/j.oregeorev.2018.11.008 | Journal (article/letter/editorial) | | shales (Evans and Kean, 2002; Rogers et al., 2006; Copeland et al., 2008; Piercey and Hinchey, 2012; Piercey...rocks (Evans and Kean, 2002; Rogers et al., 2006; Copeland et al., 2008; Piercey and Hinchey, 2012). The...tuffs and minor tuffs (Squires and Moore, 2004; Copeland et al., 2008). Massive and interstitial granular...to be, in part, an exhalative sedimentary rock (Copeland et al., 2008; Lode et al., 2015). The pyritic...are variably magnetic (Squires and Moore, 2004; Copeland et al., 2008; Piercey and Hinchey, 2012). Three |  | Cloutier, Jonathan, Piercey, Stephen J., Lode, Stefanie, Vande Guchte, Michael, Copeland, David A. (2017) Lithostratigraphic and structural reconstruction of the Zn-Pb-Cu-Ag-Au Lemarchant volcanogenic massive sulphide (VMS) deposit, Tally Pond group, central Newfoundland, Canada. Ore Geology Reviews, 84. 154-173 doi:10.1016/j.oregeorev.2017.01.010 | Journal (article/letter/editorial) | | Stefanie Lode a, Michael Vande Guchte b, David A. Copeland b a b Department of Earth Sciences, Memorial...three-dimensional framework. In addition, this study presents new geochemical data obtained at the Lemarchant deposit...the primary origin for mineralised zones, provides new information on the tectonic evolution of the Tally...and the Appalachian mountain belt, and generates new exploration concepts for VMS deposits. The results...mountain belt of central Newfoundland, Canada (Fig.1; Copeland, 2008). The Dunnage Zone is bounded by the Humber |  | | Journal (article/letter/editorial) | | Stellenbosch University, Private Bag X1, Matieland 7602, South Africa a r t i c l e i n f o Article history:...rocks between ~155 and 50 Ma. This dataset puts new constraints on the timing of carbonatite and alkaline...niobium/tantalum at the time. However, since then new carbonatite bodies have been identified and the rapid...carbonatite and/or alkaline complexes from north to south are: 1 — Kechika area, 2 — Aley, 3 — Lonnie and...Mountain, 7 — Perry River and Mount Grace, 8 — Mount Copeland, 9 — Three Valley Gap, 10 — Ice River Complex |  | Hou, Zengqian, Yang, Zhiming, Qu, Xiaoming, Meng, Xiangjin, Li, Zhenqing, Beaudoin, G., Rui, Zongyao, Gao, Yongfeng, Zaw, Khin (2009) The Miocene Gangdese porphyry copper belt generated during post-collisional extension in the Tibetan Orogen. Ore Geology Reviews, 36 (1) 25-51 doi:10.1016/j.oregeorev.2008.09.006 | Journal (article/letter/editorial) | | Deposits, University of Tasmania, Hobart, Tasmania, Australia 7001 b c a r t i c l e i n f o Article history:...the fertile adakite and porphyry Cu systems in south Tibet. The Gangdese belt contains four large, and...mineralization. The Gangdese porphyry Cu belt (GPCB) in south Tibet occurs in the Lhasa Terrane, and extends...lower-crust source by underplating of mafic magmas in south Tibet. Moreover, a reconnaissance survey of fluid...Songpan-Garzê, Qiangtang and Lhasa, from north to south, separated by the Jinsha suture (JS) and the BangongNujiang |  | | Journal (article/letter/editorial) | | features such as the Main Central Thrust (MCT) and South Tibet Detachment System (STD) (e.g., Arita, 1983;...from the low-grade metamorphosed LHS mapped to the south of the MCT, these LHS crystalline rock are interpreted...al., 1998; Robinson and McQuarrie, 2012). To the south of the MBT, the subHimalayan sequence is deformed...from the Quaternary to modern sediments to the south (Lavé and Avouac, 2000). The orogenic wedge is also...and far-western Nepal, respectively (Murphy and Copeland, 2005; Thiede et al., 2006). In central Nepal |  | | Journal (article/letter/editorial) | | of Tasmania, Private Bag 79, Hobart, Tasmania, Australia Abstract The use of hyperspectral reflectance...formation and alteration processes, which provide new spectral-based exploration parameters that can be...hydrothermal alteration during the mineralization event. A new lithology-normalized spectral alteration index (SAI)...with hyperspectral reflectance signatures to create new exploration parameters. This work, while focused...orogen of central Newfoundland, Canada (Fig. 1; Copeland, 2008; Fraser et al., 2012). The Exploits subzone |  | Schill, E., Crouzet, C., Gautam, P., Singh, V.K., Appel, E. (2002) Where did rotational shortening occur in the Himalayas? – Inferences from palaeomagnetic remagnetisations. Earth and Planetary Science Letters, 203 (1) 45-57 doi:10.1016/s0012-821x(02)00842-7 | Journal (article/letter/editorial) | | characteristic remanent magnetisations carried by pyrrhotite (unblocking temperatures: 250^330‡C) and magnetite...accommodated by the MCT, but by the main thrusts south of it. The latest Miocene/Pliocene age of the Main...‘straight forward’ shortening in an approximately north^south direction and rotational shortening. The rotational... or thermochemical magnetisations carried by pyrrhotite are frequently observed and interpreted in terms...Oversteepened inclinations were also reported from the pyrrhotite component of the Everest leucogranite (V10‡ steeper |  | Tafti, R., Mortensen, J. K., Lang, J. R., Rebagliati, M., Oliver, J. L. (2009) JURASSIC U-Pb AND Re-Os AGES FOR THE NEWLY DISCOVERED XIETONGMEN Cu-Au PORPHYRY DISTRICT, TIBET, PRC: IMPLICATIONS FOR METALLOGENIC EPOCHS IN THE SOUTHERN GANGDESE BELT. Economic Geology, 104 (1) 127-136 doi:10.2113/gsecongeo.104.1.127 | Journal (article/letter/editorial) | | deposits in the Xietongmen district and presents new U-Pb zircon ages, which document a previously unrecognized...Banggong-Nujiang suture zone (Fig. 1) and to the south by the Indus-Tsangpo suture zone (Fig. 1; Harrison...to the north and rocks of Indian affinity to the south. Late Cretaceous to early Tertiary turbidites of...1996; Wan et al., 1998), and imply that the arc was south facing, at least during that time period. The Gangdese...plate collided with the Lhasa terrane from the south (Schärer and Allegre, 1984; Debon et al., 1986; |  | | Journal (article/letter/editorial) | | Early Proterozoic Broken Hill Group, New South Wales, Australia: Geochemistry, provenance, and metallogenic...2Geological Survey of New South Wales, 32 Sulphide Street, Broken Hill, N.S.W. 2880, Australia (Received September...Supergroup) in the Broken Hill Block, New South Wales, Australia, reveal distinctive geochemical signatures...elements are generally low (SC = ~20 ppm, Ni = ~62 ppm, Co = ~26 ppm; Cr = most < 100 ppm). Data for rare earth...Creek Blocks of northern Australia, or in the Gawler craton of South Australia. Metallogenic considerations |  | | Report (issue) | | generally plunge northeastward. Sand ston e, co nglomera te. co al, and uncon so lidated depos it s G ranite...bbro a nd basa lt D ark argillite, graywac ke . and co nglom erate D Faults, including a complex zone...relatively numerous extends northeastward from south of Partin Creek to Canyon Creek in the southwest...miles northeastward from Eldridge Glacier to just south of the Dunkle coal mine (figs. 1 and 2). Individual...chromium, copper, and gold (table l ). Fig ur e 1.-- Co n t i n ue d . between the argillite-graywacke unit |  | | Report (issue) | | the work of the U. S. Geological Survey to the south~x-ardof the area, the authors have drawn much more...Bonner County, Idaho, borders the county on the south and west. The county comprises 865,520 acres. P...are Eastport, JIeado~l-Creek, Port Rill, Leonia, Copeland, Saples, bIcArthur, Iloravia, Klockman, BIoyie...in the county. The best exposure constitutes the south~vest\varddipping rocks ~vhiclilie i n a belt whose...(Lenia) fault on the ri-cst from about three miles south of 31eadolv Creek north~vardto the Canadian line |  | | Report (issue) | | in the Glens Falls 1° x 2° quadrangle, New York, Vermont, and New Hampshire by J.F. Slack-i/, G.R. Robinson...1986. The Glens Falls 1° x 2° quadrangle (New York-Vermont-New Hampshire) is one of a number of l:250,000-scale...are available for most of the stops in Vermont and New Hampshire, which are published (commonly at 15-Minute...bulletins of the Vermont Geological Survey, and, in New Hampshire, with papers in older (1940s-1950s) bulletins...Metallic Mineral Deposits DAY 1 - HOLTS LEDGE VEINS, NEW HAMPSHIRE The purpose of this day is to visit mineralized |  | | Book | | CONCEPTUAL MODELS IN EXPLORATION GEOCHEMISTRY, 4 Australia 14. G.BAR DOSS Y KARSTIC BAUXITES 15. A.W. ROSE... R3T2N2, Canada ELSEVIER, Amsterdam - Oxford - New York - Tokyo 1985 ELSEVIER SCIENCE PUBLISHERS B...SCIENCE PUBLISHING COMPANY INC. 52, Vanderbilt Avenue New York, N.Y. 10017, U.S.A. ISBN ISBN ISBN ISBN 0-44442530-6...U 0) a 4J T33 ! >> ■& CO a. 3 r-l ΓΪ km — 2 km si en o u 1 ° X J CO e C C3 c ax 1) a .I... X Γ CO 3 O •-I C X y-, w CU O H co eu o OC co CO .^ en |  | Tafti, R., Lang, J. R., Mortensen, J. K., Oliver, J. L., Rebagliati, C. M. (2014) Geology and Geochronology of the Xietongmen (Xiongcun) Cu-Au Porphyry District, Southern Tibet, China. Economic Geology, 109 (7) 1967-2001 doi:10.2113/econgeo.109.7.1967 | Journal (article/letter/editorial) | | between the TSF-2 thrust fault, located in the south part of the district, and intrusions dated to between...of poorly mineralized quartz-sericite-pyrite ± pyrrhotite alteration. Incipient sodic alteration occurs...chalcopyrite, lesser and more erratically distributed pyrrhotite, and rare molybdenite. The characteristics of...faults. The Xietongmen deposit was transposed to the south by deformation on and between the bounding Adit-1...and Neo-Tethyan/Indian affinity to the north and south, respectively. The district is located in the southern |
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