 | | Report (issue) | | No. 12: Bolivia ht of Mineral Collecting N 978-0-9790998-5-4 Publisher Lithographie, LLC Denver, Colorado...specimen 'being sold with the shrine when he was in Bolivia buying mineral specimens in the 1970s. He took...(presumably without the shrine) to a European in La Paz, Bolivui. Rolf Wein bought the specimen on July...ophyllite; 5. 2 cm tall Cerro Rico, Potosi, B,atillo province, Potosi Andy Seibel col/action Jejf-SC,m/.plwto...wp11�. Yaalte: 12.5 cm wide Siglo XX Mine, ,U� Bustillo province, Potosi Malty Zinn colkdknt (ex Marv |  | | Journal (issue) | | Articles Famous mineral localities: The Bristol copper mine, Connecticut......................................in the U.S.A. notesfrom th r EDITORS OLD YUMA MINE Another great mineral locality has now been closed...longfamous Old Yuma mine near Tucson (see R. L. Jones, “Famous mineral localities: the Old Yuma mine,” in vol....period of activity, access to the mine was cut off in 1984. In 1996 the mine area was absorbed into the Saguaro...and Mining Company for the sum of $558,000. The mine is now owned outright by the Federal Government |  | | Journal (article/letter/editorial) | | TURNEAURE OF GEOLOGISTS AND No. 7 ANDES OF BOLIVIA. REAL. K. K. WELKER. CONTENTS. PAGE Introduction...more recent years, the Eastern Andean range of Bolivia includesore depositsin great variety. It is of...granitic intrusives. This well-definedmetallogenetic province,characterized primarily by tin and tungsten,affordsan...Turneaure, F. S.: The tin depbsits of Llallagua, Bolivia, Ecoa. GEo,,., vol. 30, pp. 14-60, 170-190, 1935...Gibson,Russell: Tin depositsof Ca•'guaicollo. Bolivia, Am. Journ. Sci., vol. 243A (Daly Volume), pp. |  | | Journal (article/letter/editorial) | | silicicto basic,but in the oresas well. For example,at La Joya (Fig. •), enargite-tennantite veinsoccurwith...•lntimony I?ei•zs.--Most of the antimonydepositsof Bolivia belongto this group. They havebeenformedat depthsranging...quartz with stibnitecrystals. A vein at the Tarumita mine near Caracollo north of Oruro contains smallpocketsof...CryptobatholithicDeposits. Condeauqui. 2mThis district, with its many mines,is uniquein its mineral associations...dolomite,and in the La Bombaminescheelite occurs F•. 2. Map of the Huanuni district. witha largeproportion |  | | Journal (article/letter/editorial) | | the polymetallic hydrothermal ore deposits in Bolivia A. Sugaki ~, S. Kojima ~ and N. Shimada 2 i Institute...barite from the 28 tin-polymetallic ore deposits in Bolivia. Generally, the homogenization temperatures and...mineralization, such as Morococala and Avicaya in the Oruro district, frequently indicating a temperature higher than...Oruro district as well as at the Tasna and ChocayaAnimas mining areas in the Quechisla district temperature...were confirmed. The province of the Eastern Cordillera of the Andes in Bolivia is a geologically important |  | | Journal (article/letter/editorial) | | Metallogenetic Epochs and Provinces of Bolivia The Tin-Province (Part I) The Metallogenetic Provinces...the Altiplano (Part II) F. A~LFELD Cochabamba, Bolivia Partf. An attempt is made to solve the relationships...formation of ore deposits using the Bolivian tin-province as an example. In the eastern Cordillera we are...old geotectonic zone of weakness divides the tin district into two parts which differ from each other in...tin-silver mineralization is discussed. Within the tin-province three metallogenic epochs are recognized, with |  | Lehmann, Bernd, Ishihara, Shunso, Michel, Hubert, Miller, Jim, Rapela, Carlos W., Sanchez, Alberto, Tistl, Michael, Winkelmann, Lothar (1990) The Bolivian tin province and regional tin distribution in the Central Andes; a reassessment. Economic Geology, 85 (5) 1044-1058 doi:10.2113/gsecongeo.85.5.1044 | Journal (article/letter/editorial) | | UniversidadMayor de SanAndrds,Casilla11152, La Paz, Bolivia MICHAEL TISTL, MisiSnGeolSgicaAlemana,c/o...alAndes(northern Chile,northwestern Argentina,Bolivia)implya regionallyvariablebulktin distribution coefficient...hydrothermal redistribution (fo2belowto magnetite-pyrite-pyrrhotite buffer)of magmatically preenriched tin...•CHILE '•["""" ' ' •-• ElAbra • Choro.que *) SW Bolivia $.. ..... :•.*........: --.-.,, •....... •*...porphyrieswhichoccurmainlyin centralandsouthern Bolivia(Everndenet al., 1977; Grantet al., 1979; blagesona |  | | Journal (article/letter/editorial) | | extensivefield mappingby the GeologicSurveyof Bolivia, are adequateto allow elucidationof the major featuresof...collectedon rocks in part suppliedby severalgeologistsin Bolivia and in part collectedon field trips by the authors...dating veins, flows, and in- have been publishedin Bolivia. The part of this trusions associated with various...Altiplano Basin carried out by the GeologicSurvey of Bolivia in cooperationwith the U.S. Agency for International...680 670 SORATA BATHOLITH I BOLIVIA X• '• HUAYNA POTOSI • TAQUEZI LA PAZ• MURURATA ß Populated |  | | Journal (article/letter/editorial) | | deposits of thisrangeintoa singlemetallogenic province,in spite of the occurrenceof distinct cassiteriteand...characteristic high temperaturetin depositsoccur in the district and that I classified the mineralizationof the...range and some newly developedoccurrenceseast of La Paz, that is, depositsin the granitic areas and in...QuimsaCruz Rangeand one on the Colquechaca Silver-Tin District have not been publishedat the date of this writing...mineralization in the eastern cordillera of Bolivia is established beyondquestion. As examplesof |  | | Journal (article/letter/editorial) | | cassiterite wolframite molybdenite arsenopyrite pyrite x x tr x x tr x x x x x x pyrrhotite x...averages(ñ1 •) for the sulfidesare as follows(%0):pyrite = 5.1 ñ 0.2 (n -- 14), pyrrhotite = 5.5 + 0.1 (n...were obtained. Sufficientdata (n = 14) existfor pyrite from different stages(1, 2, 3) to examinethe possibilityof...presentdata set indicates,therefore, a uniformvaluefor pyrite duringthe mainmineralizing stages. sulfide-be...theseintensiveparamsulfidesamples were separated (14 pyrite,3 pyrrho- eterscouldinfluencethe •34Svaluesof the |  | | Book | | at a level of 150,000-250,000 t Sn/year, with a mine output in 1989 of 210,000 t Sn (MCS 1990). This...areas with which the author is most familiar with (Bolivia, SE Asia, Europe). This inductive approach condenses...any simple and broad-scale picture ("Apr6s tout, la raison est bien I'esclave des passions"; Feyerabend...Northern Bolivia .......................................................... Chorolque, Southern Bolivia .....Launay (1913) introduced the term "metallogenic province". The observational background for this situation |  | | Journal (article/letter/editorial) | | Tin-Silver No. 2 Province F. S. TURNEAURE Abstract The tin-silver provinceof Bolivia includesthe Cordillera...mineralization betweenthe tin-silverprovinceof Bolivia, the copperprovinceof Chile and the belt of polymetallicores...The tin-silver provinceof the Eastern Andes of Bolivia has only a generalconnotation,as the belt Geology...determinations of interbeddedvol- THE BOLIVIAN TIN-SILVER PROVINCE • .•, 660 (j•.L__ok_ .e• ,. 'Tiffcoco.•:'L•...Pirquitas Turneaure, 1960). In this district andesitcflows are mine in Argentina,a distanceof 900 km; it |  | | Journal (article/letter/editorial) | | 40-km2plutonof intermediate granitoid rocks5 JudasTadeo mine (lat 15o34'54"S; long 70ø22'18" W); itslithophi...itslithophilemetal-richquartzvein systemwould km westof the mine(Fig.2) isnamedhereafterCerro be morecharacteristic...domain of the Cordillera Oriental to (Fig. 1).The mine,alsoknownasMilagrode SanJudas on its northwestmarginby...it cooledrapidlyand mineralizedarea (Fig. 2). The mine is at an altitude Suet al., 1984), suggesting size...mesocratic porphyritic rock (Fig. 3b) is exposedin the mine. Strong argillic alteration locally affectsthe dike |  | Lehmann, B., Dietrich, A., Heinhorst, J., Métrich, N., Mosbah, M., Palacios, C., Schneider, H. -J., Wallianos, A., Webster, J., Winkelmann, L. (2000) Boron in the Bolivian tin belt. Mineralium Deposita, 35 (2) 223-232 doi:10.1007/s001260050017 | Journal (article/letter/editorial) | | magmatic-hydrothermal systems of the Bolivian tin province. The average boron content in melt inclusions...and porphyry deposits of the Andean tin belt of Bolivia and southernmost Peru. Both metal provinces represent...43±31 Ma (Collahuasi/Quebrada Blanca, Chuquicamata, La Escondida, El Salvador) and 10±4 Ma (Los Pelambres...minor 220 Ma old tin granite systems (Chacaltaya, Chojlla) and major 25±12 Ma old tin granite/porphyry systems...framework of the central Andes The Andean tin belt of Bolivia, SE Peru and northernmost Argentina (Fig. 1), usually |  | | Report (issue) | | category ........ Estimated cumulative and annual mine production of tungsten contained in ore and concentrate—...For each country having a tungsten deposit or district listed in the ISMI tungsten inventory...........also recovered from placer deposits. Most current mine production of tungsten is from vein/ stockwork,...accounted for over three-fourths of the world’s mine production of tungsten. China alone produced about...new mines in Brazil and boosted production in Bolivia, Japan, and Spain. In the 1950’s, during and after |  | | Report (volume) | | Cordillera Occidental, Bolivia By U.S. GEOLOGICAL SURVEY and SERVICIO GEOLOGICO DE BOLIVIA With a section on...Cordillera Occidental, Bolivia I by U.S. Geological Survey and Servicio Geol6gico de Bolivia; with a section...mineral resources-Bolivia-Cordillera Occidental. 3. Geology-Altiplano. 4. Geology-Bolivia-Cordillera Occidental...Geological Survey (U.S.) II. Servicio Geol6gico de Bolivia. Ill. Series. QE75.B9 no. 1975 [TN39.A4] 557.3s--dc20...cooperation between the Servicio Geologico de Bolivia and the U.S. Geological Survey. The geologic research |  | | Journal (article/letter/editorial) | | 02138 Abstract The centralAndeanCordilleraof Peru,Bolivia,northwestern Argentina,andnorthernChile may be...Andesof Peru. Province III: The Eastern Cordillera of southeasternPeru, central Bolivia and northwestern...stronglyperaluminous characterof muchof the magmatism in province III. Detailed comparisons of lead isotopedata...isianbasementof the northernBritishIsles against suppose Province I includes the Mesozoic-Cenozoic volmoreisoto...Lead isotope studiesof Andean rocks and ores the La Negra, Chafiarcillo,and Cerrillos Formations publishedto |  | | Journal (issue) | | Calaveras County, Calif. GOLD on Quartz—$1,400 Crystal Mine, Angels Camp, Calif. GOLD—1.4 oz. mass, large crystals...dera County, Calif. GOLD on Quartz—$2,750 Crystal Mine, Angels Camp, Calif. KRISTALLE Wayne and Dona.............. 28 by Peter B. Leavens The Bluebell Mine, Riondel, British Columbia, Canada................89503 Introduction The Copper Mountain mining district, Prince of Wales Island, Alaska, was active from...there has been no production. The major mine in the district, the Jumbo, produced 5000 tons of copper |  | | Book | | Mineralization in the Nigerian Younger Granite Province . . . 51 P. Bowden Tourmalinization in Cornwall...Vokes Hydrothermal Activity in the St Just Mining District, Cornwall, England. . . . . . . . . . . . N.J...Tin-tantalum-niobium Pegmatites in the Masuku Area, Southern Province, Zambia ......... . . . .............. . .......Mineralization and Fluid Inclusion Study of the Yod Nam Tim Mine, Southern Thailand . . . . . . . . . . . . . . ...Boliviana Mayor de San Andres, Casilla 6548, La Paz, Bolivia VILLALPANDO F.M. VOKES Geologisk Jnstitutt |  | | Journal (article/letter/editorial) | | albite-phosphate ing quartz veins and zeolite-fiuorite-pyrite veins (7,300 km2) SouthMountainbatholithcomplexof...quartz-topaz-cassiterite-sulfide greisen,andidioblastic pyrite of ca. 0.5- to 1.0-cmsizein fine-grained sericitegreisen;in...sericitegreisen;in eachcaseit is notablethat pyrite euhedraareconsiderably coarserthanthe restof the rock;(2)...coexistingwith euhedralto anhedralsulfides (e.g., pyrite, pyrrhotite,chalcopyrite,and galena) and massivequartz;(4)...Comments EK-86-178 Pyrite (1) +5.5 Qtz-wolf-cass-pypo-sphal-cpy EK-86-182D Pyrite (1) +5.4 Py EK-87-1 |  | | Journal (article/letter/editorial) | | central Andean tin belt in the Eastern Cordillera of Bolivia (Fig. 1). The tin belt extends from southern Peru...Argentina and is the easternmost metallogenic province of the central Andes (Ahlfeld, 1967; Turneaure...Rice, 1997), which makes Llallagua the largest tin mine of the western world. The bulk geochemical tin enrichment...producer of the world and became an important tin mine in the early twentieth century. The cumulated Ag...are two major epochs of tin mineralization in Bolivia. Tin-tungsten mineralization in association with |  | | Report (issue) | | ........................................... S16 Mine Waste Characteristics........................................................................ S20 Mine Closure.................................................... S12 Pie chart showing estimated world mine production of tin in 2015, by country and amount...tantalum, tin, tungsten, and (or) gold AMD acid mine drainage ATPC Association of Tin Producing Countries...meter ppm part per million QSP quartz-sericite-pyrite SEC U.S. Securities and Exchange Commission |  | | Journal (article/letter/editorial) | | and Morocco), the American Cordillera (Peru, Bolivia, New Mexico), the western Pacific margin (Korea...some combination of arsenopyrite, pyrrhotite, and pyrite (rather than base metal sulfides). Minerals which...are quartz, cassiterite, muscovite, molybdenite, pyrite, pyrrhotite, arsenopyrite, and tourmaline. Whether...Hercynian Western Pacific Castle an Dinas Chicote Chojlla Cinovec Cligga Head Dae Hwa Lake George Hercynian...Caledonian Baid al Jimalah Ballinglen Kaneuchi Province Deposit TABLE 1. Summary of Geologic Data on |  | | Journal (article/letter/editorial) | | Electrochemical accumulation of visible gold on pyrite and arsenopyrite surfaces P. M611er and G. Kersten...chemically deposited on semiconducting sulfide minerals (pyrite, arsenopyrite, chalcopyrite) from aerated as well...element in establishing, p-type conductivity of pyrite and arsenopyrite. This feature may explain why...electrochemical precipitation. Among natural sulfide minerals pyrite and arsenopyrite are frequently associated with...1991; Schoonen 1992; Knipe et al. 1991, 1992). Pyrite is the most common sulfide mineral in all types |  | | Report (issue) | | Geologicas Universidad Nacional de La Plata Calle 1, No. 644 1900 La Plata, Argentina SPECI/ml fJJPCB...Tin-bearing granites from the Cordillera Real, Bolivia; A petrological and geochemical review . Waldo...Tertiary granitoids of the Cordillera Real of Bolivia, the Mesozoic and Tertiary granitoids of Peru,...massif (up to 390 ± 15 Ma) occur in western Neuquen province. Some of these are peraluminous, two-mica, microcline-bearing...1 Ma (British Antarctic Survey and Universidad de La Plata, unpublished data). These rocks have an evolved |
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