 | | Journal (article/letter/editorial) | | pods of the Napier Complex, Enderby Land, East Antarctica: the roles of dissolution-reprecipitation and...in the ultrahigh-temperature Napier Complex of Antarctica. Monazite shows a variety of textures and compositions...fluid is suggested by the presence of scattered galena specks and by rays of turbidity emanating from...2002; Fig. 1 Map of western Enderby Land, East Antarctica, showing locations in the Napier Complex mentioned...evolution of the Napier Complex, Enderby Land, Antarctica began at 3800 Ma and culminated in a regional |  | Petersen, Sven, Herzig, Peter M., Schwarz-Schampera, Ulrich, Hannington, Mark D., Jonasson, Ian R. (2004) Hydrothermal precipitates associated with bimodal volcanism in the Central Bransfield Strait, Antarctica. Mineralium Deposita, 39 (3) 358-379 doi:10.1007/s00126-004-0414-3 | Journal (article/letter/editorial) | | bimodal volcanism in the Central Bransfield Strait, Antarctica Received: 3 December 2003 / Accepted: 5 March...sulfides are dominated by sphalerite with minor galena, enargite, tetrahedrite-tennantite, pyrite, chalcopyrite...minor but varying amounts of pyrite, chalcopyrite, galena, enargite, and sulfosalts, as well as traces of...The conduit was later clogged by sphalerite and galena. The late sphalerite in the center of the conduit... with only a minor enrichment of Se (Table 4). Galena is also close to stoichiometric composition and |  | | Journal (article/letter/editorial) | | PRECAMBRIAN INTRUSIVES FROM QUEEN MAUD LAND, ANTARCTICA H .L .ALLSOPP Bernard :':ice Institute of Geophysical...considered to be of Gondwana age . The position of Antarctica in the reconstruction of pre-Drift Gondwanaland...dike-intrusives, are exposed in western Queen Maud Land, Antarctica . The geology of this region has been investigated...Upper-Paleozoic-midMesozoic Beacon rocks of East Antarctica, viz. nearshore deposition of sub-horizontal...Jekselan and S . = Grunehogna . In the inset map of Antarctica M represents the area of the detailed map and |  | | Journal (article/letter/editorial) | | Mineralization in Layered Intrusion Ring, Vestfold Hills, Antarctica M. S. Egorova, V. S. Semenovb, and N. L. Alekseeva...norite complex from the Vestfold Hills (East Antarctica) containing a lowsulfide type of mineralization...mafic intrusions prospective for PGE are known in Antarctica. One of them is the Noritic Ring Complex situated...657 658 EGOROV et al. P r Weddell Sea Antarctica Se nds a en 120° Vostok Mirny Ross Sea 60°...same Sulfoarsenide Michenerite Single signs Galena Sphalerite Up to 5 Cp + Py symplectite (chalcopyrite |  | | Journal (article/letter/editorial) | | Alkaline, sodic suites (Western Ross Embayment Antarctica) hosting C2/c pyroxene: crystal chemical characterization...crystallization and crustal contamination, 329 ANTARCTICA, C2/c pyroxene from two alkaline sodic suites...alkaline sodic suites (Western Ross Embayment - Antarctica): crystal chemical characterization and its petrologic...alkaline sodic suites (Western Ross Embayment - Antarctica): crystal chemical characterization and its petrologic...Binntal (Switzerland), 131 Crystal morphology, of galena pillars - - highly anisometrie dissolution forms |  | | Journal (article/letter/editorial) | | mainlandin Cambriantimes;the relationships with Antarctica await future investigations. Introduction ALTHOUGHlead...0.8556 18.268 15.630 38.114 All samplesare galena;A, B, andC = analyses of differentsamplesover a...andonlydatafor the ore lensesare given here. Bulk galena-richsulfidesand galenafrom representativecrosssectionsthroughthe...pillowbasaltsin the hangingwall (Skey, 1984). Bulk galena-richsulfidesfrom three diamonddrill holesexhibitthe...the PrinceLyell orebodyare givenin Table 3. Three galena-richsamplesof the TasmanandCrownLyell Extendedorebodyhave |  | | Journal (article/letter/editorial) | | predominate, with variable amounts of chalcopyrite, galena, sphalerite and pyrite. Epidote, arsenopyrite,...breccias cemented by quartz, chalcopyrite, sphalerite, galena and pyrite, plus traces of tetrahedrite-tennantite...veinlets, some containing chalcopyrite, pyrite and galena, identical in every respect to their thicker counterparts...chlorite, with variable amounts of chalcopyrite, galena, growth-zoned sphalerite, epidote, pyrite, bornite...to 8 cm across, in chalcopyrite- or sphalerite + galena-dominated parageneses (Figs 7 b, d, e, f)Many veins |  | | Journal (article/letter/editorial) | | with very low U and Th, but high Pb content (e.g. galena) preserve the Pb isotopic composition during growth...U/Pb and Th/Pb, but are far more abundant than galena and provide an estimate of Pb isotope composition...analytical precision of the older data into account, the galena data are consistent with the data on leached feldspars...Usagaran domains. The Pb isotopic compositions of galena (Fig. 8) from the Nyanzian volcanics of the Archean...curve with l = 11. Most of the isotopic ratios of galena are more primitive than the feldspar data, which |  | | Journal (issue) | | the shales. Here can be found lots of Fluorite, Galena and Baryte; the Fluorite is stained purple by the...Geologist in the Far South: Antarctica and South Georgia Mike Bell Antarctica is a continent which has been...in the Eocene and before. Western and eastern Antarctica show very different geology: the west is like...first stayed on Alexander Island, off the West Antarctica Peninsular, having been delivered by ship after...volcanic and there are still active volcanoes in Antarctica. His first winter was spent at Fossil Bluff, |  | | Journal (article/letter/editorial) | | 237 Charnockite, Sr/Rb, Cambrian, Ordovician, Antarctica, Mirnyy Station (McQueen, D. M., et al.) 16 3...433 Charnockite, Sr/Rb, Cambrian, Ordovician, Antarctica, Mirnyy Station (McQueen, D. J., et al.) 19 2...Dolerite, Surinam (Hebeda, E. H., et al.) 20 2 189 Galena, jamesonite, Pb/Pb, Precambrian, South Africa,...Susumu.) 20 1 140 Granite, Paleozoic, Cretaceous, Antarctica, Argentina, Australia, Africa (Halpern, M.) 5... Sr/Rb, Precambrian, Olympus Granite-gneiss, Antarctica, Victoria Land (Deutsch, S., et al.) 1 2 82 Igneous |  | | Journal (article/letter/editorial) | | Igneous Province, SE Brazil, 357 ANGEL,R.J., 519 ANTARCTICA, Vestfold Hills, Mg-A1 yttrian zirconolite in...205 Daooe, G.T.R., l DLrNN, P.J., 79, 333 EAST ANTARCTICA,subsilicic magnesian-hastingsite from, 615 Effenbergerite...ophiolitic m61ange, Pakistan, 553 GAINES, R.V., 271 Galena, HRTEM study of defects in silver-doped-, 455 Galway...HARRIS,J.W., 490 HARTE, B., 490 Hastingsite, from Antarctica, 615 Hawaiian basalt, hollandite in, 589 HAWTHORNE... 513 HRTEM, a study of defects in silver-doped galena, 455 HUGHES, J.M., 493 Hyalophane, in Mn-rich iron |  | | Journal (article/letter/editorial) | | yielded by biotite Rb-Sr measurements, with related galena isotopic data 161 Amaral, G., Potassium-argon age...brine from the Red Sea, galena from the Kingdom of Saudi Arabia, and galena from United Arab Republic...Vanda, Wright Valley, Southern Victoria Land, Antarctica Jones, L. M., G. Faure, Age of the Vanda porphyry...dikes in Wright Valley, Southern Victoria Land, Antarctica Judge, A. S., A. E. Beck, An anomalous heat flow |  | Reimold, W.U., Meshik, A.P., Smits, G., Pravdivtseva, O.V., Shukolyukov, Yu.A. (1995) Fission xenon dating of Witwatersrand uraninites: Implications for geological activity in the Central Kaapvaal Craton about 1 Ga ago. Geochimica et Cosmochimica Acta, 59 (24) 5177-5190 doi:10.1016/0016-7037(95)00354-1 | Journal (article/letter/editorial) | | RELEVANT CHRONOLOGICAL WORK Earliest U-Pb dating of galena and uraninite from various reefs in the Witwatersrand...intercept ages between 523 and 113 Ma. Muscovite and galena ages for authigenic growths on fractures or in...(white) grains. Small specks and fracture fillings of galena (white) and black spots of coffinite are visible...gold (occasionally associated with tetrahedrite), galena, chalcopyrite, and gersdorffite, as well as some...milling/grinding stage. Uraninite was partially spotted with galena, which also filled some cracks or occurred as larger |  | | Journal (issue) | | Jr. Geologists Meetings: We will learn about Antarctica at the May 18 meeting, then start the field trip...on malachite Aden Wyckoff for his article on galena Craig Hazelton: Second place in the Photograph...azurite. Credit: www.greekrocks.com Galena Aden Bicknell, age 9 Galena is a mineral with a chemical composition...lead. Galena is mined in many countries. Galena is found in igneous and metamorphic rocks. Galena is very...metallic luster. Galena tarnishes to a dull gray. Because lead is a primary element in galena, the mineral |  | | Journal (article/letter/editorial) | | bentonite was collected from its type section near Galena, Illinois (IL) where it occurs in the Sinsinawa...Sinsinawa Member of the Wise Lake Formation of the Galena Group (Willman and Kolata, 1978) and can be traced...conformably overlies the Galena Group. 3. Stratigraphy and biostratigraphy The Galena Group and underlying...al., 2004; Simo et al., 2003). Fig. 2 shows the Galena Group grading from northwest IL to southeast MN...Aphelognathus grandis NAm conodont zones into the Galena Formation (Fig. 2), which is consistent with the |  | | Journal (article/letter/editorial) | | (4),2r 123-135 (1896)' ON THE MINERALOGY OF ANTARCTICA DuNc.qN SrnwAnt, Jr.., Corleton College,Northf'eld...Christensen(Christensen-Vulkan)of Robert' son Island, West Antarctica. The following is a list of the 167 mineral species'subspecies...questionable occurrence, that have been reported from Antarctica. A number of these have been determined only...Fassaite? Fayalite Ferrimolybdite Fluorite Forsterite Galena Glauconite Glaucophane Gold Graphite Grossularite...petrography. II. Rocks from Ingrid Christensens Land, Antarctica. Sci. Res. Norwegian Antarctic Exped'. 1927-1928 |  | | Journal (article/letter/editorial) | | Broken Hill Orebody textures with the associated galena, sphalerite, calcite, bustamite and rhodonite....Fluorite rarely occurs as ellipsoidal masses in galena-sphalerite-rhodonite-spessartine-quartz assemblages...15 1.10 0.44 1.1 2.1 A: quartz, sphalerite, galena M: chalcopyrite, garnet, pyrrhotite, apatite, feldspars...sphalerite, rhodonite, manganoan hedenbergite, quartz, galena M: garnet, calcite, gahnite, loellingite, arsenopyrite...pyrrhotite, apatite, feldspars 1 lens A: sphalerite, galena, quartz, calcite M: feldspars, bustamite, wollastonite |  | | Journal (article/letter/editorial) | | coefficients (K, Rb, Sr, etc.) . . . 307, 401 Antarctica; composition of snow . 399 apatite precipitation...{I!) kc:l’l’ousiron uxidnihn . SIX firn (Antarctica); composition . . 3!l9 fission t,rack analysis...!nxygen-containing) in st+dirnent~x . . . J!43 galena; lead isotopes and a,ges gases in fi~mn.rolcs ...isotopes by double-spike method lead isotope ratios in galena and feldspar . . . . . . life processes; importance...content neon in natural gases New Byrd Station (Antarctica) snow noble gases in natura.1 gases 593 593 |  | | Journal (article/letter/editorial) | | volcanic rocks, Pain Mesa, northern Victoria Land, Antarctica T.M. Mensing and C. Faure . . . . . . . . . ...Pan-African metamorphism in Dronmng Maud Land, Antarctica A.B. Moyes and P.B. Groenewald. . .. . . . ....belt, Qu&ec, Canada: Implications for associated galena-barite mineralization K. Schrijver, A.E. Williams-Jones |  | | Journal (article/letter/editorial) | | (those containing significant pyrrhotite, marcasite, galena and secondary copper sulphides) and/or environment...pyrite, marcasite, chalcopyrite, sphalerite and galena are electron semiconductors, with their semiconductor...Galvanic coupling section). 3.1.5 Galena Typical trace elements in galena include Ag, Cu, Zn, As, Sb, Bi...Sb and Bi along with a deficiency in S make most galena n-type. Chen et al. (2011) undertook computational...studies for galena and suggest that that trace impurities of Mn, As, Bi, In and Sb within galena change it |  | | Journal (issue) | | Mine. San Juan County. 14-10: 1,4-7 Boralsilite Antarctica. Larsemann Hills. 14-7: 10; Norway, Almgjotheii...Leipcrville, Delaware County. 14-7: 1,6,7 , Country Antarctica Bornlsilite. 14-7:10 ~ Argentina Benyacruite...14-6: 1,4,5 Mexico Calcite, chalcopyrite, fluorite. galena, pyrite, sphalcrite. 14-5:2; Acanthite, pyrargyrite...Sonora: Sedovite. 14-1: 1,4; Vera Cruz: Celestine, galena. 14-6:2,8 Morocco Wendwilsonite-zincroselite. 14-1:...Metaautunitc, yingjiangitc. 14-7: 1,6,7 Romania Galena. 14-10: 1,4-7; Ulvoespinel. 14-1: 1,4; Romania |  | | Journal (article/letter/editorial) | | 1977); 3813+z/ --14 (Baadsgaard et al., 1984 ). A galena sample from a vein in the centre of the supracrustal...) 3.2.1. Zimbabwe. From a Pb isotopic study of galena occurrences throughout the Archaean of Zimbabwe...~°Tpb/2°npb ~ 13.74, 2°8pbff°npb 31.96) in the Big Stubby galena, corresponding to a model Pb age of ~ 3.5 Ga (Sangster...of the Duffer Formation (in which the Big Stubby galena occurs) in the Warrawoona Group of the Pilbara...continental) already existed at ~ 4.1-4.2 Ga. ~- 3.2.4. Antarctica. Here the published evidence is much more problematical |  | | Journal (article/letter/editorial) | | gold-sulphide associations, the sulphides being galena, chalcopyrite and pyrite. In south India, gold...sulphide veins. The sulphide minerals are mainly galena, pyrite, chalcopyrite and arsenopyritc. The rocks...veins associated with sulphides, mainly pyrite and galena. The magnetite-quartzites in the Archaean BIF of...pyrite, pyrrhotite in all three countries. However, galena has not been reported from Sri Lankan vein deposits...of geologic correlation between Sri Lanka and Antarctica. Interim Report of Japan, pp. 1-18. Holt, R.W |  | Turner, Simon, Blichert-Toft, Janne, Schaefer, Bruce, Albarède, Francis, Foden, John (2017) A reappraisal of the evolution of the palaeo-Pacific margin of Gondwana from the Pb and Os isotope systematics of igneous rocks from the southern Adelaide fold belt, South Australia. Gondwana Research, 45. 152-162 doi:10.1016/j.gr.2017.01.006 | Journal (article/letter/editorial) | | Orogeny in South Australia and the Ross Orogeny in Antarctica (Fig. 1) and strong structural continuity between...206Pb/204Pb487Ma = 17.7-25.4) and we have analysed a galena from the southern Adelaide fold belt which has...end-member (K2) with the Pb isotope composition of this galena. The latter is clearly too radiogenic to account...above), let alone the more radiogenic Pb of the galena, can explain the gabbro arrays. These CE observations...feldspars from contemporaneous regions of west Antarctica (Fig. 9). Potassium feldspars from the Eastern |  | | Journal (article/letter/editorial) | | Pyrrhotite Loellingite Stibnite sulphosalts sulphides Galena sulphides sulphosalts Chalcedony X X X X X X X...sulphide minerals are present, almost exclusively galena, sphalerite and chalcopyrite (in varying proportions)...scheelite. Cu, Pb, Zn sulphides: chalcopyrite; galena; sphalerite; Ag sulphosalts are Pb, Cu, Ag, Sb...of Landsborough–Percydale domain, with pyrite, galena, arsenopyrite, (2) low-sulphide, quartz-rich Ballarat...and Chiltern domains with trace arsenopyrite and galena, (3) massive stibnite of Costerfield domain, (4) |
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