 | | Journal (article/letter/editorial) | | Tin-Polymetallic Mineralization in the Oruro Mining District, Central Bolivian Tin Belt Asahiko SUGAKI...vein-type tin-polymetallic ore deposits of the Oruro mining district in the central part of the Bolivian tin...concluded that hypogene mineralization in the Oruro mining district took place during the early to middle Miocene:...alunite, jarosite, sericite, sulfur isotope, Oruro, Bolivia mineralization epochs of Bolivian epigenetic-type...deposits in the northernmost tin belt. In the Oruro mining district, just south of the Arica Elbow Line, we |  | Jansen, Nicholas H., Gemmell, J. Bruce, Chang, Zhaoshan, Cooke, David R., Jourdan, Fred, Creaser, Robert A., Hollings, Pete (2017) Geology and Genesis of the Cerro la Mina Porphyry-High Sulfidation Au (Cu-Mo) Prospect, Mexico. Economic Geology, 112 (4) 799-827 doi:10.2113/econgeo.112.4.799 | Journal (article/letter/editorial) | | porphyry-style potassic veins (quartz + K-feldspar ± biotite) and stage 1 pyrite that are preserved in clasts...molybdenite at 780 ± 10 ka (Re-Os). 40Ar/39Ar dating of biotite (689 ± 13 ka) records the age at which the hydrothermal...hydrothermal system cooled below the biotite closure temperature of ~300°C and provides a maximum estimate...Cerro la Mina prospect along with the nearby Santa Fé mine and Campamento deposit represent parts of a...2007; Valencia-Moreno et al., 2007). Thus far, the Santa 799 Submitted: May 8, 2014 Accepted: November |  | | Journal (article/letter/editorial) | | detrital potassic minerals (K-feldspar, muscovite, biotite and illite) and different authigenesis of K-feldspar...to subglacial and pro-glacial deposits of the Santa Fé Group. During the Late Jurassic–Early Cretaceous...are present (av. 1.33%) as well as muscovite and biotite, opaque minerals and mud intraclasts (av. 0.67%)...Detrital plagioclase—fractured 0.33 Muscovite 1 Biotite 0.67 Volcanic rock fragment 1.67 Phyllite rock...palaeomagnetic study was performed on the Late Palaeozoic Santa Fe Group, and its age was estimated at 280–260 Ma |  | | Book | | including Gorgona Island, Chocó Arc, Sierra Nevada de Santa Marta, La Macarena, and the Guiana Shield: remote...Geologie und Petrographie der Sierra Nevada de Santa Marta (Kolumbien, Südamarika). Schweiz, Mineralogische...Continental Sub-Plate Chocó Arc Caribbean Large Igneous Province Central Tectonic Realm circa, approximately centimeter...Pacific Terranes Romeral Mélange Sierra Nevada de Santa Marta W-E Tectono-Sedimentary Anomaly Western Tectonic...morpho-structural features, including the Sierra Nevada de Santa Marta (SM), the Sierra de Mérida (ME, the “Venezuelan |  | | Journal (article/letter/editorial) | | vein in the central part of the Guanajuato mining district. Hydrothermally altered rocks were characterized...of undiscovered orebodies in the Guanajuato mining district and elsewhere where similar mineralization...(Smirnov, 1962, 1963, 1976, Vassallo, 1981). The district has a 450 year history of production. Estimated... 2009a,b). Hydrothermal mineralization in the district is hosted in several vein systems, but by far...displacement of 1200 m near Las Torres mine and of 1700 m at the Valenciana Mine. The Veta Madre vein was discovered |  | | Catalog/List | | Internet, Fax, and Mail) Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 Sunday...52001-52306 LOT VIEWING Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 Wednesday...directly from the miners at the Elmwood Mine in Tennessee, when the mine was actively producing twenty years...Auction 3 52001 HEMATITE Elba Island, Livorno Province, Tuscany, Italy If there was ever a specimen that...SZENICSITE with POWELLITE Jardinera No. 1 Mine, Inca de Oro, Chañaral Province, Atacama Region, Chile Terry Szenics |  | | Journal (issue) | | can be applied to labels. They are as follows: Mining Engineer Shortage The decline in the number of...an effect on at least one profession: mining engineering. Mining engineers obviously have to know their...continues to grow while the number of new graduates in mining engineering has fallen so low that it is no longer...retire. “The mining engineering workforce is short by 300%,” says University of Arizona Mining Engineering...are [graduating] students to fill them.” Only 86 mining engineers graduated nationwide last year, and the |  | | Journal (article/letter/editorial) | | the formation of magnetite and/or hematite after biotite. A paleomagnetic pole (PP) was computed from the...tonalite and granodiorite, and minor horblende–biotite diorite, are exposed at the Arroyo Salado locality...twinning and zoning, dark brown-yellowish brown biotite (strongly replaced by chlorite, epidote, zoisite...equigranular texture, with similar mineralogy but with biotite, apatite, magnetite and zircon forming aggregates...twins, associated sericitization, breakdown of biotite to pale green chlorite is coupled with the appearance |  | Renac, Christophe, Mexias, André Sampaio, Gomes, Márcia Elisa Boscato, Ronchi, Luiz Henrique, Nardi, Lauro Valentin Stoll, Laux, Jorge Henrique (2014) Isotopic fluid changes in a Neoproterozoic porphyry–epithermal system: The Uruguay mine, southern Brazil. Ore Geology Reviews, 60. 146-160 doi:10.1016/j.oregeorev.2013.12.016 | Journal (article/letter/editorial) | | Neoproterozoic porphyry–epithermal system: The Uruguay mine, southern Brazil Christophe Renac a,⁎, André Sampaio...of Brazil, Rua Banco da Província, 105, Bairro Santa Tereza, Porto Alegre, RS, Brazil b c a r t i c...Cycle. This study focused on the Uruguay open-pit mine through a detailed assessment of the mineralogy...sedimentary rocks. The results indicate that the Camaquã mine is a low-sulfidation epithermal-type deposit with...Sul (RS), the southernmost state of Brazil, gold mining occurs in disseminated gold deposits associated |  | Lesage, G., Richards, J. P., Muehlenbachs, K., Spell, T. L. (2013) Geochronology, Geochemistry, and Fluid Characterization of the Late Miocene Buritica Gold Deposit, Antioquia Department, Colombia. Economic Geology, 108 (5) 1067-1097 doi:10.2113/econgeo.108.5.1067 | Journal (article/letter/editorial) | | , and small-scale underground mining began in 1992 at the Yaragua mine, located approximately 2 km south...ault 400 kkm m Leg Legend end Sier ra Ne vada de Santa Mar ta Sierra Nevada Marta Santander massif, Ser...fault 78°45’W 79°00’W Cañasgordas Ca uc ult Santa Fé de Antioquia N 0 5 Ro ra me l fa ult Tonusco...Cañas 6°35’N r Pinguro Giraldo a rive Yaragua mine Espiritu Santo Buriticá Sa nta Ri ta f au lt...Amphibolite Fault Inferred fault Drainage Town / village Mine Quaternary Neogene Paleogene Late Cretaceous |  | | Catalog/List | | Internet, Fax, and Mail) Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 Session...Collection LOT VIEWING Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 Wednesday...museum-quality Tourmalines, including the 2nd largest Sapo Mine “shaving brush” and an exceptional Elbaite on Feldspar...Auction 2 53001 CALEDONITE Mammoth-Saint Anthony Mine, Tiger, Pinal Co., Arizona, USA Named by the Romans...This example hails from the Mammoth-Saint Anthony Mine: a legendary Arizona locality. Unlike the vast majority |  | | Book | | deposits and are a significant contributor to the mining industry in Brazil. This book provides a state...between the São Francisco Craton and the Borborema province in the north. The Araçuaí belt (Chap. 14, Alkmim...and Brasília belts. The Borborema strike-slip province includes the Rio Preto, Riacho do Pontal and Sergipano...Quadrilátero Ferrífero (Iron Quadragle) mineral province and the Mineiro belt (Alkmim and Marshak 1998;... WR., 2000. Tectonic history of the Borborema Province, Northeastern Brazil. In: Cordani, U., Milani |  | | Book (edition) | | Francisco mine, Sonora, Mexico; (center) ameihyst, Veracruz, Mexico; (center) vivianite, Bolivia; (center...rnodochrosite, N’Chwaning mine, South Africa; (lower left, center) wulfenite, Red Cloud mine, Arizona; (lower...beeen foe We @ Wadeetin relvvagigld .xteliliey? santa rowan leks ) Get « ryi St pewory sine toting bee...Pe Wr * se vat © C6 tad GAa Snive Sr Certain Mine (ax agry wh Oe ee — SS 4 eae wid Bharce ©...ye ty a ara id (ean ® “1 le hI AAP : oo A Mine seh Ranier “i i : lever vei ekealps ; cet |  | | Journal (volume) | | 20unse 7 The Only Mining Journal Pablithed in Mexico. Vhe Mexican Mining Journal Published SKConthly...— Vhe Mexican Mining Journal APARTADO 105 £IS. MEXICO CITY, MEX. THE MEXICAN MINING JORNAL INDEX TO...20 and 1. January to December 1915. Accounts Mine, System Action of Dissolved Air of, in Mill Pulp...Longest in Colombia, Aguascalientes, Asientos Mining District, Air, Dissolved, Action of in Mill Pulp, Air...and Folation, Air and Temperature in the Deepest Mine in the World,. Air, Compressed, for Ore Flotation |  | | Book | | geomorphology, pedology 10. Structural/petroleum/mining geology, geodynamics, marine geology The dynamic...Zhen-Dong Cui (AJGS Editor): China University of Mining and Technology, Xuzhou, Jiangsu, China Ali Karrech...Kamal Abdelrahman The South West Atakor Volcanic District (Hoggar-Algeria): Petrography and Mineralogy from...Cryptomelane in Altered Rhyolite from Tazrouk Volcanic District, Latea, Hoggar, Algeria . . . . . . . . . . ....in BIF Mines: An Approach Referring to the Bonito Mine, Northeastern Brazil . . . . . . . . . . . . . |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | British Columbia NF Labrador (part of Newfoundland Province) MB Manitoba NB New Brunswick NF Newfoundland...CE PA Ee PE PI RJ RN RS Rondonia RO Roraima Santa Catarina Sao Paulo Sergipe Tocantins RR SC SP SE...Spotsylvania Co., and Partridge mine, Orange Co., VA, and at Dahlonega, GA; Homestake mine, Lawrence Co., SD; Silver...Lake Co., Breckenridge(*), Summit Co., Ground Hog mine(*), Gilman Co., Silverton and Telluride, San Juan...Ledge mine, Nevada Co., Jamestown, Tuolumne Co., Colorado quartz mine, Mariposa Co., Bonanza mine, Trinity |  | | Report (issue) | | Niemi (now of the University of California at Santa Barbara) not only discussed with me the cratonic...between them (an ideal example being in the Assynt district of the Scottish Highlands, where the section from...hold the slime which the flood has left” (italics mine). The flood therefore appears in these myths as...alone. (Pindar, Olympian Odes, VII, 55–69; italics mine) In the song On Delos, Pindar calls that island...increased their height” (Lucretius, V, 489– 493, italics mine)90. It is perhaps not surprising that Empedocles |  | Piedrahita, V.A., Bernet, M., Chadima, M., Sierra, G.M., Marín-Cerón, M.I., Toro, G.E. (2017) Detrital zircon fission-track thermochronology and magnetic fabric of the Amagá Formation (Colombia): Intracontinental deformation and exhumation events in the northwestern Andes. Sedimentary Geology, 356. 26-42 doi:10.1016/j.sedgeo.2017.05.003 | Journal (article/letter/editorial) | | chlorite or paramagnetic silicates as hornblende and biotite. These minerals are found in the mineralogy of...after the collision of the Caribbean Large Igneous Province with northern South America (Villagómez and Spikins...south in the Andean chain, in Ecuador, Peru and Bolivia continuous exhumation between ~45 and ~30 MA ...the central Andean fold-thrust belt, northern Bolivia: implications for plateau evolution. Earth and...Edad y ambiente de la Formación Amagá (Sector de Santa Fé de Antioquia-Sopetrán) con base en evidencias |  | | Book | | boundaries of the mineral industry are clear: the mining and milling of feldspar, for example, belong to...does not. But how does one draw the line between mining and manufacturing where brine from a salt well...districts, or a representative district if there are many. We name the chief mining companies, and give production...supply must come not merely from one district but from a single mine. Thus the physical properties of many...government may even decide to go directly into mining, as Saskatchewan has done with potassium minerals |  | | Journal (article/letter/editorial) | | schists (metabasic rocks are overlain by muscovite-biotite schists. The emerald deposit gradually open pit...(metabasicpasses rocksinto arethe overlain by muscovite-biotite schists. The(Photograph: emerald deposit gradually...e.g., in Sri Lanka and in Brazil [60]. In some mining districts, the gemstones form a by-product of alluvial...the diggerse.g., moved the Brazil [60]. In some mining districts, the gemstones form a by-product of alluvial...Paraiba verdellite from the Mendoza Pegmatite Province, Argentina. tourmaline from the Capoeira Pegmatite |  | Avellaneda-Jiménez, D. S., Cardona, A., Valencia, V., Barbosa, J. S., Jaramillo, J. S., Monsalve, G., Ramírez-Hoyos, L (2020) Erosion and regional exhumation of an Early Cretaceous subduction/accretion complex in the Northern Andes. International Geology Review, 62 (2) 186-209 doi:10.1080/00206814.2019.1596042 | Journal (article/letter/editorial) | | with epidote gneisses (Lm5), quartz + muscovite + biotite + chlorite with titanite and epidote schists (Lm5)...amphibole with titanite and epidote schists (Lm5). Biotite, muscovite, epidote, tourmaline, and garnet were...zoisite, and un-stable minerals such as muscovite, biotite, amphibole (actinolite, hornblende, tremolite,...1997a. The Caribbean-Colombian Cretaceous igneous province: The internal anatomy of an oceanic plateau, in...early collision of the Caribbean large igneous province (290-75Ma): Gondwana Research, v. 27, no. 1, pp |  | | Journal (volume) | | AFFECTING ITS QUALITY: EXAMPLES FROM THE ROVANIEMI DISTRICT OF NORTHERN FINLAND AND WESTERN NICARAGUA by...affecting its quality: examples from the Rovaniemi district of Northern Finland and western Nicaragua. Geological...affecting the latter were studied in the Rovaniemi district of Northern Finland and in western Nicaragua,...land use. Groundwater quality in the Rovaniemi district was studied in dug wells and some wells drilled...Diriamba and in the agricultural and gold mining district of Santo Tomás-La Libertad together with that |  | | Book | | Alluvial Sapphires from the Orosmayo Region, Jujuy Province, Northwest Argentina: Insights into Their Origin...Cenozoic Alkaline Basalts of the Ratanakiri Volcanic Province (Cambodia), Southeast Asia—Trace Element Geochemistry...Distinguished Visiting Professor at the China University of Mining and Technology. His research activity covers a...pegmatite situated in the Borborema Pegmatitic Province (BPP) from Rio Grande do Norte in Northeast Brazil...alluvial sapphires from the Orosmayo region (Jujuy Province, NW Argentina) and importantly shows that there |  | | Catalog/List | | Internet, Fax, and Mail) Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 PRELIMINARY...866-835-3243 Email: Bid@HA.com Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 Thursday...Fossil Traumatocrinus hsuixi Triassic Guizhou Province, China Crinoids are echinoderms that live in marine...Traumatocrinus hsuixi Triassic, Hiuxia Beds Guizhou Province, China This unique and uncommon grouping of Triassic... 73026 Saudi Palm Slab Palm Miocene, Hanidh Eastern Province, Saudi Arabia This piece of Petrified Wood has |  | | Book | | Science, N.S. XXIII; 696, 1906. III. Cerrillos Hills district, N.M.—Johnson, Sch. of M. Quart., XXIV: 492, 1903...section, and hence outcrop around the margir, the mining operations being therefore confined to a narrow...coals produce an excellent quality of coke. Gulf Province Lignites.?°-—These are of Eocene (Tertiary) age...) Crowsnest Pass field. USES OF COAL 99 Mining and Preparation.—Coal of all kinds is commonly...3 to 7 feet in thickness. Bituminous coal after mining may be screened and cleaned, especially if it is |
|
