 | | Journal (article/letter/editorial) | | whicharepredicted consequences of pyritization. Gudmundite andnativeantimony onlydisplay theranges of solubility...above antimony, the iron-antimony sulfideminerals,gudmundite The purpose (FeSbS)and berthierite(FeSb.2S4)...thelatteristhecasein gestedby the occurrence of aggregates of gudmundite and manydeposits, andwheretherearedeviations...lowpressure, andfromlow- 1928).Occurrences of gudmundite-pyrite are,however, exsalinityfluids(e.g.,Munozand...higher S-O comprise native antimony, stibnite, gudmundite fo.•orfs.•thangudmundite. It is foundmostcommonly |  | | Journal (article/letter/editorial) | | 128 Mineralogy of the Silvermines district, County Tipperary, Eire. (With Plates IV to VI.) B y H. N...sericite, and chlorite) at four mines in this district is discussed. Of particular interest are the conversion...formation of primary goethite. The occurrence of gudmundite is recorded for the first time in the British...'Notes on the Mines and Minerals of the Silvermines District, County Tipperary'. A recent survey of various...nineteenth-century workings and one modern productive lead mine near Silvermines, coupled with microscopic examination |  | | Journal (volume) | | controlled by the same factors as the zinc-, copper- and lead-bearing bodies. The sulphides show mutual patterns...................... ... 9 THE GEOLOGY OF THE :MINE..... . . .... .. ................. . ... . ........ . . . . . . . . . . . . . .. 19 ZINC-COPPER-LEAD BODIES .. . . . . . . . . . . . . . . . . . . ...25°08'E (Fig. 1). Fig. 1. The location of the Vihanti Mine. The terrain is typical of the Central Bothnian...the ore deposit is based on diamond drillings and mine workings. The discovery of the ore deposit dates |  | | Journal (article/letter/editorial) | | Instituteof Mineralogy,MiningUniversity,Leoben,Austria Introduction Although the Broken Hill orebody...hasbeenan importantsourceof silver as a by-productof the lead and zinc production sinceitsdiscoveryin 1883, therearefew...recorded,includingpyrargyyses of two samples of lead concentrates. rite, polybasite,stephanitc,argentitc...retrogrademetamorphic rich lensesare stratigraphically below the lead-rich breakdownoftetrahedrite into: (1) a nonsilverfraclenses(Fig...NEW ZINC / --BROKEN HLL -• CORP -LTD SW SOUTH MINE Moreshoft • NORTH • •'BROKEN HILL--* • LTD. |  | | Journal (article/letter/editorial) | | arsenopyrite,zinc blende,chalcopyrite, gold, gudmundite,stibnite,galena, pyrrhotite, hematite, tantalite...Yellowknife field may becomean importantmining district. INTRODUCTION. Location.--Yellowknifebay is oneof...westsideand nearthe headof the Bay (Fig. 2). The Con mine is locatednearly2 milessouthof the townsite,and...Properties:w-These two minesare the first goldproducers of the district. The Con, a unit of the Consolidated Mining and...diabase. They cut acrossall otherrocks in the district and would be consideredthe last geologicalevent |  | | Journal (article/letter/editorial) | | bismuth in the Loddiswell quartz carbonate vein mine, southwest England [14], the Tanco pegmatite, Canada...skarn deposit, Russia [16] and the Katerina coal mine in the Czech Republic [17], bismuthian antimony...intrusions with widespread outcrop across the district (Figures 1b and 2). Geochemical features show...tintinaite and gudmundite (Gd). the edges and internal fissures of tintinaite and gudmundite (Gd). Analyses...with Sb-Bi alloys and sulphosalts are galena, gudmundite bismuthinite Other minerals (Bi2 S3 ), unnamed |  | | Journal (article/letter/editorial) | | Mineralogyand Trace ElementContentof the Wood River Lead-SilverDeposits,Blaine County,Idaho WAYNE E. HALL...HALL AND G. K. CZAMANSKE Abstract The Wood River lead-silverdeposits,near Bellevuein south-centralIdaho...the ore averages1.25 ouncessilver for each percent lead. Sevenpurifiedmineral separatesof galenacontain2...T•IE Wood River lead-silverdepositsare in Blaine County in the Mineral Hill district, south-central ...have produced an estimated $26 million in gold, lead, silver, and zinc--mostly from extensive operationsin |  | | Journal (article/letter/editorial) | | functionof temperaturefor stibnite,berthierite, gudmundite, and FeSb•. Comparison of calculatedmineralstabilitieswith...careful study of natural materials. Berthierite,gudmundite,and aurostibiteare clearly stableonly under conditionsof...react with berthierite to yield pyrrhotite plus a lead sulfantimonideoperates to make berthierite a rather...whosesulfur monmineralsberthierite(FeSb2S4) and gudmundite activityis to be measured.Then the run is quenched...(L. A. Clark, 1960) the failureto synthesize gudmundite is not surprising. compositional rangeand which |  | | Journal (volume) | | partly inhabited and weakly forested. The urban district does not touch the zone found to contain antimony...exist in the Törnävä locality oE the Seinäjoki district came to the attention of the Geological Survey...arsenopyrite appear in minor amounts, a few grains of gudmundite, and finally unaltered, bright but ragged grains...441 44 2 FIG. 6. The stone counts in Seinäjoki district. Circles denote abundance of plagioclase porphyrite...clayeyness (Fig. 17 and Table 1), whereas the antimony, lead and tungsten show this tendency only to a slight |  | | Journal (article/letter/editorial) | | Unsealed road // •, l'ros•ot Cowie Pb-Zn •' Mine // •' CANNINGTON N //A-Pb-Zn I .if// :fill...magnetite, loellingite- Common textures Equivalent mine terminology • Laterallycontinuous (overmeterscales...pyrosmalite, localized ferroanpyroxmangite, minorapatite, mine area. Coarse-grained remobilizedgalena(_ spha- andwidespread...edarsenopyrite overgrowths, antimonialsilver,gudmundite TABLE 2. Average Compositions of MajorMineralization...fluoritearetypically absent, although minoramounts occur gudmundite display similartextural habitsto freibergite |  | | Journal (article/letter/editorial) | | ORES, BOLIDEN MASSIVE SULFIDE DEPOSIT, SKELLEFTE DISTRICT, NORTHERN SWEDEN THOMAS WAGNER§ Mineralogisches...Au–Cu–As massive sulfide deposit, in the Skellefte district, in northern Sweden, have been investigated by...variety of ore minerals, including Au–Ag alloy, gudmundite, selenian galena, kobellite, tetrahedrite, bournonite...solution, decomposition reaction, Boliden, Skellefte district, Sweden. SOMMAIRE Le minerai en veines riche...paléoprotérozoïque de Boliden (Au–Cu–As), dans le district de Skellefte, dans la partie nord de la Suède |  | | Journal (article/letter/editorial) | | mineralization in the H/illeforssilver mining district occurs as stratabound bodies in skarn-like black...and other carbonates in the eastern part of the district, and as epigenetic, tectonically controlled vein...deposits are located in the Bergslagen mining district which is in the northern part of the Grythyttan-Hfillefors...dyke; 6, amygdaloid effusive greenstone; 7, silver mine; 8, lakes and rivers. 50, 51, 53 schematic locations...pyrite, boulangerite, bournonite, meneghinite, gudmundite, and silver minerals are found. There are rare |  | | Report (issue) | | Gudmundite FeSbS c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Monoclinic, pseudo-orthorhombic... Association: Pyrite, pyrrhotite, chalcopyrite, lead sulfantimonides, antimony, bismuth, kermesite, arsenopyrite...From Waldsassen, Bavaria, Germany. In the Salsigne mine, 15 km north of Carcassone, Aude, France. In the...Republic, at Vlastéjovice, Sáxova. From the Pezinok mine, Male Karpaty Mountains, Slovakia. In Ireland, at...Nicolet antimony mine, South Ham, Quebec; in the Hemlo gold deposit, Thunder Bay district; and from near |  | | Journal (article/letter/editorial) | | 2014 Abstract Ag-Sb deposits of a new economic district that occurs on the boundary of the southeastern...northwestern Mongolia as part of a new mining district. Roug hly 2 0 sites with Ag-Sb ores were discovered...Fleck, 1990; Fleck et al., 1991); the Freiberg district (Baumann, 1958, 1965, 1 9 6 8 ) ; t h e Cornwall...zones along major faults. Geology The Yustid ore district occurs in the Yustid de pression (also called...Mesozoic. There is considerable age overlap among the district intrusions. 1. The oldest intrusion is the Kara-Oyuk |  | | Journal (article/letter/editorial) | | breithauptite, nisbite, costibite, arsenopyrite and gudmundite. Co-existing galena is characterised by elevated...minerals have been described from the Sulitjelma district (Table 1). The mineralogical diversity at Sulitjelma...Dyscrasite Electrum Empressite b Geocronite a.c Gudmundite Hessite Jamesonit a Jordanite Kongsbergite b...lamellae abundant. Wide variety of trace minerals: gudmundite, nisbite, breithauptite, costibite, Ag-tellurides...rarer minerals, including electrum, freibergite, gudmundite, breithauptite, nisbite, aurostibite, native |  | | Journal (article/letter/editorial) | | of argentite, bornite, dyscrasite (Ag3Sb), and gudmundite (FeSbS). The inclusions exhibit a strong enrichment...trapped as sulfide melt inclusions. The Challenger Au mine in South Australia was shown to be a metamorphosed...OREBODY G GARNET QUARTZITE 2 LENS LEAD LODE LOW-GRADE RHODONITIC LEAD LODE 0 Scale in km 3 PYRRHOTITE...Z3031, and C144) from Perilya Ltd.’s Broken Hill mine. Methodology Garnet grains were separated from the...dyscrasite chalcopyrite C tetrahedrite D gudmundite bornite galena arsenopyrite sphalerite 20 |  | | Journal (article/letter/editorial) | | 1023 52. Lobanova, G. M. (1963) Olginsky ore district of southern Primorye. Dr. thesis. IGEM, Moscow... VOL. 50, PP. 728-30 Lead chromate minerals from the Argent lead-silver mine, Transvaal, South Africa:...occurrence of embreyite T HE disused Argent lead-silver mine is situated on the farms Brakfontein 559 IR...pyrite, chalcopyrite, pyrrhotite, arsenopyrite, gudmundite, argentite, bournonite, boulangerite, and tetrahedrite...described 'A Transvaal silver-lead deposit', Willemse (1942) wrote of 'Lead deposits near Argent Station' |  | | Journal (article/letter/editorial) | | are identi®ed in sulphide samples from Bleikvassli mine, Norway. Detailed optical microscopy and electron...Boulangerite (Pb5Sb4S11), jamesonite (FePb4Sb6S14) and gudmundite (FeSbS) occur in trace amounts. Snsulphosalts...25 g/t Ag since production commenced in 1957. The mine is at present closed, due to severe ¯ooding taking...hosting the ore body, locally referred to as the Mine Sequence, the structurally uppermost part of the...sketch map of the area surrounding the Bleikvassli mine the RNC (Trùnnes and Sundvold 1995), have yielded |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....Rice, Dolores co., both Colorado, at the Questa mine, Taos co., New 1994. Abernathyite K2[(UOJ 2l(AsO_J2]•6HzO...Harding Co .. South Dakota. and at the Fuemrole No2 mine, Emery co .. Utah. Also at Menzenschwand Scbwarzwald...mainly in crystals to 5 cm at the Himmelsftirst mine, Freiberg, both Saxony, Germany. In the subtropical |  | | Journal (article/letter/editorial) | | diversifying into iron and steel manufacture; copper, lead, zinc, silver, gold and aluminium smelting and...bauxite, limestone, manganese, uranium, silver, lead, zinc, copper, phosphate and gold mining elsewhere...horizons. Metamorphism The rocks of the Broken Hill district have undergone two events of high-grade metamorphism...Ma (Pidgeon 1967; Shaw 1968). The uranium-lead and lead-lead ages determined by Gulson (1983) suggest...is still much dispute about the structure in the mine area. The structural models by Hobbs (1966), Hodgson |  | | Journal (article/letter/editorial) | | 461-478 Mineralization and Paragenesisof the Huanzala Mine, Central Peru HIDEKI IMAI, MASASHI KAWASAKI, MITSUO...SaitamaPrefecture,Japan362 Abstract The Huanzala mine is a zinc and lead mineral deposit found in the Lower Cretaceous...mineralization,occasionally accompanied by skarnization. The lead and zinc mineralizationstagewasfollowedby late-stagecopperore...are, from bottom to top, chert (Chimu THE Huanzala mine is situated in central Peru, about Formation), ...north-northwest-trending (Fig. •). pany, Ltd. In 1981, the mine produced900 metric The Huanzala deposit occursin |  | | Journal (article/letter/editorial) | | Unit cell 89, Space group \)0. Thc Gudmundstorp gudmundite. . . . . . . . . . . Material 90, :\lcthod 90...equi-inclination W eissen berg study of the Gudmundstorp gudmundite. The new data differ from those found in the...mostly the powder method). The dat,1 so obtained lead de J ong to the cell constants which are listed...axes on the basis of comparable powder photographs lead de .J on g to aSSi,l')l incorreetly a doubled (...oscilJation method, and for both arsenopyrite and gudmundite studied by the W eissen berg method, is different |  | | Book (edition) | | Mineralogisches Institut, Universität Heidelberg, Im Neuenheimer Feld 236, D-69120 Heidelberg, Germany...Changes in the physicochemical conditions could lead to cases in which a paramorph may not be distinguishable...(upper right) and complex (lower left) twinning of gudmundite (blue and brown anisotropy). 6 Malleability/Ductility...Zonal Growths Episodes of interrupted crystal growth lead to concentric shell-like layering of grains and...through the cracks and deposit later mineral phases or lead to an alteration of the primary mineral. Where malleable |  | | Journal (article/letter/editorial) | | approximately 150 km south of the Skellefte ore district, north-central Sweden. Most of the mineralisation...north-central Sweden, ca. 150 km SW of the Skellefte ore district and the nearby existing processing facilities...Similar to other VHMS deposits of the Skellefte ore district, the Rockliden mineralisation shows high concentrations...south of the Skellefte ore district and north of the Bergslagen ore district (Kumpulainen, 2009; Fig. 1)...veins or calcite veinlets (Fig. 4b). Besides gudmundite, various Sb-bearing sulphosalts were documented |  | | Journal (article/letter/editorial) | | 1978). The Gold and mined until 1912 for silver, lead, and gold Hill shear zone, which extends from the...separates slate 1910; Pardee and Park, 1948). The mine was belt rocks from Paleozoic intrusive and amphiclosed...ore stockpiled at the mine. 368 m. y. ago (Butler and Fullagar, 1978). The mine lies in the Carolina slate...slate belt, a northGeology of the Mine Area east-trending belt of volcanic and volcanicsedimentaryrocksthat...Carolina is 210 km The stratigraphic sequence in the mine area wide (Fig. 1). consists of tuffaceous sedimentary |
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