 | | Journal (issue) | | TSKnerals of i'eru ! Indian miner, Cerro de Pasco, Peru, 1869 (Simonin, 1869). J3E(mes and J3E(merals...crystal group, 7 cm, from the Huanzala mine, Dos de Mayo Province, Peru. Marty Zinn collection; Jeff Scovil............................... History of Peru Mining in Peru The Mineral Specimen Business C o l l e c....................... Quiruvilca district, Santiago de Chuco province, department of La Libertad PASTO.......................... Pasto Bueno district, Pallasca province, department of Ancash R a u r a -H u |  | | Journal (article/letter/editorial) | | GEOLOGY AND MAJOR ORE DEPOSITS OF CENTRAL ULRICH PERU PETERSEN CONTENTS PAGE Abstract ................................ 427 430 434 448 454 462 Casapalca ................................................the center of the districts to the margins. This district zoning is modifiedby local or orebodyzoning and...Cerro de Pascoand later expanded' to Morococha, Casapalca,San Cristobal and Yauricocha. Exploitation of...complexenterprise,includingthe Goyllarisquizga coal mine, concentrating, smelting,and refiningfacilitiesand |  | | Journal (article/letter/editorial) | | tetrahedritesfrom Coeur d'Alene,Idaho, and Orcopampa andJulcani,Peru,to documenttheseobservations. Similarheterogeneity...Althoughgenerallyclassedasa copper samplesfrom Casapalca,Peru (Wu and Petersen, sulfosalt,its crystalstr...tetrahedritesare commonlyhet- Idaho; Orcopampaand Julcani,Peru; and Creede, erogenousin composition(Yui, 1971;...the brecciapipe at Cananea,Mexico. electrons,Casapalca sample5270, showingcompositional growth Ag co...proximalto the presumedsourceof the solutions Casapalca,Peru (determinedby the zonationof wall-rockalteration |  | | Journal (article/letter/editorial) | | Springer-Verlag 1992 The Hiendelaencina mining district (Guadalajara, Spain) d. Martinez Frias Instituto...12, 1991 Abstract. The Hiendelaencina mining district (Guadalajara, Spain), includes the ore deposits...areas. In this paper a general overview of this district is given, with special emphasis on the parageneses...sulphosalts such as freibergite, pyrargyrite, polybasite, stephanite, freieslebenite and the Bi-rich sulphosalt...49 Aso.o2) $13; pyrargyrite Ag3.38 Sbl. o S3; polybasite (Agt6.3Cuo.15) (Sb2.8 Aso.15) $11; stephanite |  | | Journal (article/letter/editorial) | | National University] at 06:43 31 December 2014 mine in Colorado, and they found virtually the entire...lustrous group of tetrahedrite crystals from Casapalca, Peru. Jewel Tunnel Imports specimen when photographed...tetrahedrite and pyrite specimen from the Anchor mine, Park City, Utah. The specimen was in the stock...examples at the present time are from the Sweet Home mine, near Alma, Park County, Colorado, where it occurs...Colorado localities include the Silverton-Eureka district, San Juan County, where tetrahedrite is often |  | | Journal (issue) | | except the Dale Beck Valley, Dry Gill and Carrock End Mine. Grahamis hoping to get the permit system properly...still very much a 'frontier place'. One supposed mine was started by a character called Otto van Stryk...Stryk who thought he had found a huge iron mine. Alas, he never got any useable ore out of it. Rick went... So now it is recognised as a potential uranium mine! Another anecdote involved a light plane brought...amethyst, fluorapatite and tourmalines. Rossinguranium mine, a uraniferous granite, was also mentioned. Rick |  | | Journal (article/letter/editorial) | | January 2015 Bournonite Yaogangxian Mine, Chenzhou, Hunan Province, China T here are certain mineral...the most prolific being the Yaogangxian mine, Hunan Province. (Additional locality information and photographs...from such disparate localities as the Black Hawk mine, Blue Hill, Maine; New York City, New York; an unspecified...Pennsylvania; the Cofer deposit in the Mineral district of Louisa County, Virginia, where it occurs with...States. Best known are those from the Park City district, Summit County, Utah, where at one time crystals |  | | Journal (article/letter/editorial) | | s at Topia showthat tetrahedrite-freibergite,polybasite,sphalerite,galena,and electrum were codepositedovervirtuallythe...orebandoccursisconsistent with the possiblepresenceof a district-wide"inverted-saucer" ore domewhich,if present... Virginia, and by Gross(1956) in the Blyklippen mine, Greenland, beingparticularlyinfluentialpioneeringstudies...locationsof undiscovered ore in the Julcanidistrict, Peru, by GoodellandPetersen(1974) andPetersen et al....geocronite-jordanitesolid solutionsat Huachacolpa,Peru (Birnie and Petersen,1977), and of tetrahedrite |  | | Catalog/List | | Time 8am -9pm) FLUORITE,Rosilare Level.Minerva Mine No 1 ,Cave-in-Rock District.Southem Illonois.Xtl...£10 9. SPHALERITE,var.Ruby Blende.Mid-Continent Mine,Pitcher.Oklahoma,USA Rich continuous druse of ruby...free Very attractive D Ml. £5 36 MALACHITE,Dolwen Mine,Devils Bridge.Dyfed.Wales Vughy matrix of milky...Matrix free Good D or RF Ml £8 39 PYRITE,Nanisivik Mine,Baffin Island.North West Territory,Canada Xtl group...well Matrix free D SPC C £15 43 PYRITE,Casapalca Prov,Lima,Peru Xtl group of equant modified pyrite cubes |  | Zeng, N., Izawa, E., Motomura, Y., Lai, L. (2000) Silver Minerals and Paragenesis in the Kangjiawan Pb-Zn-Ag-Au Deposit Of the Shuikoushan Mineral District, Hunan Province, China. The Canadian Mineralogist, 38 (1) 11-22 doi:10.2113/gscanmin.38.1.11 | Journal (article/letter/editorial) | | Pb–Zn–Ag–Au DEPOSIT OF THE SHUIKOUSHAN MINERAL DISTRICT, HUNAN PROVINCE, CHINA NANSHI ZENG AND EIJI IZAWA Department...Kangjiawan deposit, in the Shuikoushan district, Hunan Province, China, is a representative hydrothermal...argentian tetrahedrite, freibergite and abundant polybasite–arsenpolybasite, pearceite and pyrargyrite– proustite...arsenpolybasite + pyrargyrite–proustite in the south to polybasite–arsenpolybasite + pyrargyrite, and to pyrargyrite...Keywords: silver minerals, tetrahedrite, freibergite, polybasite–arsenpolybasite, pearceite, pyrargyrite–proustite |  | | Journal (article/letter/editorial) | | 2005 Origin of high-Ag fahlores from the Galena Mine, Wallace, Idaho, U.S.A. RICHARD O. SACK,1,2,* ROB...Tetrahedrite fahlores from the Galena Mine of the Coeur d·Alene Mining District (Wallace, Idaho) have been found...yet found [molar Ag/(Ag + Cu) = 0.443] in the district, and forms a secondary overprint on any primary...obtained for the Gold Hunter vein of the Lucky Friday Mine. This result and the absence of readily detectable...detectable diaphorite (~Pb2Ag3Sb3S8) in the Galena Mine sample containing the highest Ag fahlore indicate a |  | | Journal (article/letter/editorial) | | being STUDIES OF THE FINLahVDIat VEIY, CENTRaIL PERU 951 worked. It presenteda unique opportunity for...about 30,000 metric tons of trict, Department of Lima, Peru (Fig. 1), at the silver ore. In 1958, Compafiia...formed and major operationsswitched ters northeast of Lima and 27 kilometers northwest to the Finlandia vein...vein, supplying200 metric tons of of Casapalca. Elevations vary between4,200 and ore per day to the mill...ounces of gold, 1,694,207 for "silver" and the district hasbeenintermittently ounces of silver, 18,992 |  | | Journal (article/letter/editorial) | | consists of fahlore [(Cu,Ag)10(Zn,Fe)2(Sb,As)4S13], polybasite [(Ag,Cu)16Sb2S11]–pearceite [(Ag,Cu)16As2S11]...pyrite. The Ag:Sb of the bulk concentrate from the mine is 1.076 and the Ag:Pb is 0.088. Compositions of...pyrargyrite-proustite + sphalerite, and fahlore + polybasite-pearceite solid solution + (Ag,Cu)2S solid solution...elevations in the mine. K EY WORDS : Mexico, Ag-Zn-Pb system, ore genesis, fahlore, polybasite, pearceite,...1984), although ore in the nearby Chalchihuites district was discovered in 1556 1558 (Consejo de Recursos |  | | Journal (article/letter/editorial) | | minor phaseof metallizationwith a to- and 200 RL mine levels acrossthe exposedstrike tally differentparagenesis...arrangingthe data in the order of increasingatomic mine, is locallytermedthe "geocronitezone." of any The...Ag-bearingsulfosaltmineralssuchasproustitepyrargyrite,pearceite-polybasite, owyheeite,rayitc, etc. in the vein ores(MookherjeeandMishra...Julcani miningdistrict,Peru (GoodellandPetersen,1974), from the CoeurD 'Alene district(HackbarthandPetersen...en, 1984), and from Casapalca,Peru (Wu and Petersen,1977). In the Rajpura-Daribadeposit,the situationdiffers |  | | Journal (article/letter/editorial) | | Tetrahedrite CompositionalVariation at Orcopampa,Peru ERICH U. PETERSEN, Departmentof Geologyand Geophysics... Footwallandhanging-wall lithOrcopampadistrict, Peru, were selectedfor study. ologiesoften differ becauseof...Orcopampamining district is locatedabout berman et al., 1985). 150 km north-northwestof Arequipa, Peru (15o15'...severalcenturies.Com- which is accompanied bornite,polybasite, andgold. pafi•ade Minas Buenaventura,S.A., under...ofquartzandtetrahedrite; IV, milky mineral district but are intersectedby a deep mine quartzplustetrahedrite andrhodochrosite; |  | | Report (chapter) | | deposits are best known from Chile and southern Peru. They consist o f stratiform concentrations of disseminated...northwest it impinges on the Sonoran Basin and Range province and in the southeast, south of the Trans-Mexico...zinc and copper. According to an analysis of the district undertaken by Geyne and co-workers, 9 the volcanic...carbonatization fringing the veins. At Tayoltita, San Dimas district (Fig. 1), volcanic rocks and an intercalated conglomerate...820 g/ton Ag and 16 g/ton Au. 10 The Guanajuato district (Fig. 1) is characterized by at least 700 m of |  | | Journal (issue) | | Cd-bearing phosphate mineral from the Gold Quarry mine, Eureka County, Nevada . . . . . . . . . . . . ...crystal cluster, 7.3 cm, from near Bapu, Guangdong Province, China. Rob Lavinsky specimen, now in the Tom...recovered from the dumps of this small mine. Local collectors reworked the mine dumps many times in search of...about 325 meters southwest of the Bishop manganese mine. The locality was early on referred to as a “copper...spatially distinct from the nearby Bishop manganese mine. The dumps do not contain significant manganese |  | | Journal (article/letter/editorial) | | galena-IV: (1) a Cu and Ag As–Sb sulfosalt close to polybasite 4 Similar heterogeneous fahlore aggregates have...(Brn-Sel-II), galena-IV (Gn-IV), carbonate (Carb), and polybasite (Pol) as small (≤100 μm) aggregates (a) and fine...fahlore-IV aggregates. Fe-tennantite*-IV is cut by polybasite–galena–bournonite–seligmannite veinlet with intimate...13 wt %) are higher than that of the Casapalca and Guignol (Peru), Rajapura– Dariba (India), and Bereznyakovskoe...of zonal tennantite–tetrahedrite of the Casapalca deposit (Peru) from an ascending evolving fluid (Hackbarth |  | | Journal (issue) | | .89 by W. E. Wilson The Palomo mine, Huancavelica Department, Peru . . . . . . . . . . . . . . . . .... . .95 by J. Hyršl Pseudomorphs from Peru . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....White Ca-Mg-Fe-rich rhodonite from the Morro da Mina mine, Conselheiro Lafaiete, Minas Gerais, Brazil . ....BaCa2(CO3)2F2, a new mineral species from the Kirovskii mine, Khibiny, Kola Peninsula, Russia . . . . . . . ...crystal cluster, 3.5 cm, from the Mashamba West mine, atanga, Republic of the Congo. Rob Lavinsky (The |  | Gemmell, J. Bruce, Simmons, Stuart F., Zantop, Half (1988) The Santo Nino silver-lead-zinc vein, Fresnillo District, Zacatecas, Mexico; Part I, Structure, vein stratigraphy, and mineralogy. Economic Geology, 83 (8) 1597-1618 doi:10.2113/gsecongeo.83.8.1597 | Journal (article/letter/editorial) | | The Santo Nifio Silver-Lead-Zinc Vein, Fresnillo District, Zacatecas, Mexico: Part I. Structure, Vein Stratigraphy...abundance, arepyrite,sphalerite, galena,pyrargyrite,polybasite, chalcopyrite, arsenopyrite, tetrahedrite,argentite/acanthite...the Fresnillo district. Locationswherecarefulgeologicandgeochemical THE Fresnillo district, located 750... The recent oxidized stockwork. The Fresnillo district lies in the developmentof the Santo northwestern...phicsuccessions. Nifio vein in the Fresnillo district made it an attractive sitefor a detailedstudyof |  | Mulshaw, Sean C., Puig, Carlos, Spiro, Baruch, Buchanan, Dennis L. (1997) Genesis of epizonal Ag vein mineralization at San Bartolome in central Ecuador; textural evidence, fluid inclusions, and stable isotope geochemistry. Economic Geology, 92 (2) 210-227 doi:10.2113/gsecongeo.92.2.210 | Journal (article/letter/editorial) | | byNisshoi IwaiofJapan(Worley, The San Bartolom6 mine is situated at an elevation of about 1989),in a...Inc., Canada,finallyled to the development of the mine 3,000m, approximately ownedbythe Armenosubsidiary...qui Formation The Huaneabambadeflection,near the Peru-Ecuadorbor- oldervolcanic package in themineareaitself(Fig...identifiable by the followsa southeasterly linein Peru. of veryhard,rounded, exfoliated boulders upto 2...detailof thesegeologic successions is westofthe mine(W. Murton,perscommun., thatmetalliferous fluidsmayhaveexploited |  | | Journal (issue) | | came from two localities Posey Mine (San Juan Co., Utah, USA) and Planet Mine (La Paz Co., Arizona, USA)...USA). That from Posey Mine is composed of 5-10 mm veins, composed of fibers perpendicular to the veins, in...(Shi Lu near Guangdong, Yangchun Co, Guangdong Province), France (Chessy near Lyon) and Utah (La Sal):...brown 4-5 mm crystals from Yellow Cat Mine (New Idria District, San Benito Co .. California, USA) wilh...had 3/8-11/4 inch ( 1-3 cm) six-sided, labular polybasite, and I even saw a few pieces wi1h 3/g-2 inch |  | | Journal (article/letter/editorial) | | that much of the Ag mined from the Coeur d’Alene district was originally present in galena. They also confirm...minerals that include acanthite, stephanite, and polybasite. Introduction EARLY in his career, Harold C...mixing properties of Ag and Cu in (Ag, Cu)2S and polybasite (Plb) (Ag, Cu)16Sb2S11 solid solutions. The revised...solutions; Fah = fahlore; Mia = miargyrite; Plb = polybasite; Prg = pyrargyrite; Stb = stibnote (from Sack...1990). Of lesser reliability are the models for polybasite (Harlov and Sack, 1994) and (Ag, Cu)2S solid |  | Catchpole, H., Kouzmanov, K., Putlitz, B., Seo, J. H., Fontbote, L. (2015) Zoned Base Metal Mineralization in a Porphyry System: Origin and Evolution of Mineralizing Fluids in the Morococha District, Peru. Economic Geology, 110 (1) 39-71 doi:10.2113/econgeo.110.1.39 | Journal (article/letter/editorial) | | Evolution of Mineralizing Fluids in the Morococha District, Peru Honza Catchpole,1,†,* Kalin Kouzmanov,1 Benita...polymetallic mineralization) in the Morococha district, central Peru, is part of a large magmatic-hydrothermal...Toromocho porphyry Cu-Mo deposit in the center of the district and display a typical concentric base metal zonation...systems can comprise areas larger than 50 km2 with a district-scale metal zonation of Cu, Mo → Zn, Pb → Ag,...metal vein and replacement bodies at Morococha, Peru—the subject of this study (McLaughlin and Graton |  | | Journal (article/letter/editorial) | | thermodynamic model may be used to understand district Ag-distribution or as an exploration tool. Keywords:...(Czamanske and Hall 1975), the Santa Eulalia mining district, Mexico (Lueth et al. 2000), 1630 CHUTAS ET...Bergslagen, Sweden (Jeppsson 1987), and the Nipissing Mine, Ontario (Scott 1976). In many deposits, Ag appears...(1999), and galena from the Coeur d’Alene mining district, which is at least 99.99% PbS. Cations (Ag, Pb...skarn-type silver deposits in the Santa Eulalia mining district, Chihuahua, Mexico have an Ag:(Sb + Bi) ratio |
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