 | Hall, R.B., Feininger, Tomas, Barrero, L., Dario, Rico H., Alvarez, A., , (1970) Mineral resources of parts of the Departments of Antioquia and Caldas, Zone II, Colombia. Open-File Report Vol. 1970 (70-148) US Geological Survey doi:10.3133/ofr70148 | Report (issue) | | OF PARTS OF THE DEPARTMENTS OF ANTIOQUIA AND CALDAS, ZONE II, COLOMBIA by Robert B. Hall and To mas Feininger...mines................................. , 23 Frontino Gold Mines Ltd............... 24 Minas Nacionales............. 27 La Bramadora mine..................... 34 Berlin mine*.......................... 36...and silver (con't.) Lode mines (cont.) El Limon mine.............. 40 Sma11 lode mines 43 .........Consolidated Gold Dredging Ltd.... 46 La Viborita mine........... 53 Sup^a placer district....... 58 |  | | Report (issue) | | UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY i PROJECT REPORT Colombia Investigations...AN AREA IN THE DEPARTMENTS OF ANTIOQUIA AND CALDAS (SUBZONE IIB), COLOMBIA By Tomas Feininger U. S. Geological...Survey x and Dario Barrero L. and Nestor Castro Q. Colombia Institute Nacional de Investigaciones Geolo'gico-Mineras...the Government of Colombia and the Agency for International Development U. S. Department of State 1973 ...AN AREA IN THE DEPARTMENTS OF ANTIOQUIA AND CALDAS (SUBZONE IIB), COLOMBIA By Tomas Feininger U. S. Geological |  | Sillitoe, Richard H., Jaramillo, Luis, Damon, Paul E., Shafiqullah, Muhammad, Escovar, Ricardo (1982) Setting, characteristics, and age of the Andean porphyry copper belt in Colombia. Economic Geology, 77 (8) 1837-1850 doi:10.2113/gsecongeo.77.8.1837 | Journal (article/letter/editorial) | | and Age of the Andean PorphyryCopper Belt in Colombia RICHARD H. SILLITOE, 8 West Hill Park, HighgateVillage...LuIs JARAMILLO, UNDP, Apartadoadreo091369,Bogotd,Colombia* PAUL E. DAMON, MUHAMMED SHAFIQULLAH, Departmentof...INTERCOL, Carrera 7, No. 37-69, 6ø piso,Bogotd,Colombia* Abstract Threedistinctporphyrycoppersubbelts...publicationof the mostrecentcopperinventory(Esin Colombia make no mention of mineralization of corce,1978)...phyry ores" were, however, recognizedin several Colombia. partsof the countryby Wokittel (1960),but the |  | | Report (volume) | | Mineral Resources of Colombia (other than Petroleum) By QUENTIN D. SINGEWALD GEOLOGIC INVESTIGATIONS...PRINTING OFFICE, WASHINGTON i 1950 UNITED STATES DEPARTMENT OF THE INTERIOR Oscar L. Chapman, Secretary ..._____________________________________________ Antioquia.___________________________________________________...and Boyacd___________________._________________ Antioquia.___________________________________________________...Copper___ ____________ ____________________________ Antioquia. _________-______--_-__---__-___________-_____ |  | Tschanz, Charles MaFarland, Hall, R.B., Feininger, T., Ward, D.E., Goldsmith, R., MacLaughlin, D.H., Maughan, E. (1968) Summary of mineral resources in four selected areas of Colombia. Open-File Report Vol. 1968 (68-279) US Geological Survey doi:10.3133/ofr68279 | Report (issue) | | UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY PROJECT REPORT Colombia Investigations (IR)...OF MINERAL RESOURCES IN FOUR SELECTED AREAS OF COLOMBIA by" C. M. Tschanz, R. B. Hall, Tomas Feininger...OF MINERAL RESOURCES IN FOUR SELECTED AREAS OF COLOMBIA by C. M. Tschanz, R. B. Hall, Tomas Feininger...Miscellaneous . Metallic Mineral Resources Chromite , Copper ^ Gold and Silver Placer gold Iron ore Lead and...Phosphate rock Prospective resources Lead-zinc-copper Barite Summary of Mineral Resources in Igneous |  | | Report (issue) | | UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY OPEN FILE REPORT Colombia Investigations...GEOCHEMICAL STUDY OF THE RIO PANTANOS AREA DEPARTMENT OF ANTIOQUIA, COLOMBIA Preliminary report by Henry V. Alminas...International Development U. S. Department of State and the Government of Colombia 1972 A GEOCHEMICAL STUDY...STUDY OF THE RIO PANTANOS AREA DEPARTMENT OF ANTIOQUIA, COLOMBIA Preliminary report by Henry V. Alminas...GEOCHEMICAL DATA................................. 9 Copper...................................... 13 Outcrop |  | | Report (issue) | | RESOURCES OF CENTRAL ANTIOQUIA AND PART OF CALDAS DEPARTMENT (ZONE IIA), COLOMBIA By Robert B. Hall U...Survey and Jairo Alvarez A. and Hector Rico H. Colombia Institute Nacional de Investigaciones Geol6gico-Mineras....... 100 La Bramadora mine.............................. 104 Berlin mine...........................district.......................... 108 Puerto Antioquia placer prospect............... 110 Porcecito............................ 123 Nueva Esperanza mine at Aranzazu...................... 123 Aguadas |  | | Journal (article/letter/editorial) | | 401, Bogota, Colombia 2 Calle 128 No. 59-48, Interior No. 5, Calatrava II, Bogota, Colombia Received: February... 1992 Abstract. Source rock gold deposits in Colombia include Proterozoic unconformity-related paleoplacers...look at the main types of gold deposit found in Colombia in relation to their geological setting and then...Primary deposits Guyana Shield (Palaeoplacers) Colombia has been worked for gold since pre-colonial times...present in ninth position in the western world, Colombia still ranks amongst the leading producers and |  | | Book | | Consulting Geologist Department of Geology University EAFIT Medellín, Colombia Robert Peter Shaw Consulting...Tectonics Colombia 1938–1946 “Unique – a dream” Highlights • Key geological realms in Colombia were the...The Ganssers had four daughters (Ursula, born in Colombia, 1941; Manuela, 1949; Francesca, 1956; and Rosanna...and two sons (Mario, born in Colombia, 1943; Luca, also born in Colombia, 1945). In 2000, Gansser’s dear...the Escuela de Minas (Medellín, 1887) and the Department of Geology and Geophysics at the Unversidad Nacional |  | | Journal (issue) | | 15 Frank Mills, £35¢. 100 Taquaril, 12s. 3d. 50 Frontino, 19s. 20 Bwich Consols, £34. 2 W. Chiverton, £55... R. THOMAS THOMPSON, STOCK AND SHAREDEALER, AND MINE AGENT, 12, OLD JEWRY CHAMBERS, LONDON, B.C. R. C...AND LANE, Wheal Seton. Providence. Chontales. Frontino. Nanteos Consols. Crebor. New East Lovell. LIMMER...Kast Caradon, £6 7s 9 20 Bwich Consols, £3 1s. 50 Frontino, 19s. 6d. 2 Providence, £3534. 15 Chiverton, £2...recommend the purchase of shares in a progressive mine, making profits and fast approaching a dividend |  | | Journal (issue) | | Oliver Cummings Farrington, Ph. D. Curator, Department of Geology. Chicago, U. S. A. May, 1902. I...polished surface of the meteorite with them or by copper sulphate. troilite grains is Ueber + On the... Assistant Curator of the Department, in the laboratory of the Department. For this analysis a fragment...large enough to weigh. proved phosphate search for copper gave only a very faint brownish coloration with...and by not taking on a deposit of copper when immersed in copper sulphate. These troilite grains are |  | | Journal (issue) | | Angio-Argentine, 20s, 30 Anglo-Brazilian. 20 Frank Mills. 50 Frontino, 21s. 9d. 10 Australian Uni. Gold, 75 General...CORNHILL, E.C. Business as BUYER or SELLER in Frontino, Chontales, Don Pedro, General Brazilian, and...36 (4, «688 CARDIGAN BAY CONSOLS (Silver-lead, Copper, and Blende), £5 shares, fully paid up—recommended...prices. , BUSINESS in the gold shares, especialiy Frontino, Chontales, and Taquaril, can be transacted upon...Statistical Information on the Tin Trade, Rise in the Copper Standard, and Particulars of the Gold Discoveries |  | | Journal (article/letter/editorial) | | situation is evident for other metals, particularly copper and tin. The reason for the recurrent generation...situation in marked contrast to the majority of tin or copper resources, which in the E-mail: aucu@compuserve...orogenic and pluton-related deposits. porphyry copper deposits are included if either the value of the...contained gold roughly equals or exceeds that of the copper, or the gold endowment is metallogenically outstanding...gold and comparisons with the main Cordilleran copper and tin belts provides the basis for comment on |  | | Journal (issue) | | respond more severely to the strike than either copper or zinc. Many had sold short and are now scrambling...have to sink a new shaft to reach their ore body. A mine collapse shut down the 70,000 to 100,000 tpy property...ALUMINUM- unalloyed ingot 24½t a lb Copper Holding Firm The copper market continues strong. The Mount...mean a scarcity of refined copper in a few months if pipelines dry up. Copper fabricators shipped a record...record 1,729,143 tons in 1964, U.S. Copper Assn. figures show. The old mark was 19441s 1,701,753. A 24 |  | | Journal (article/letter/editorial) | | admitted fact. At present, it is only profitable to mine for it under circumstances of com· paratively little...are just beginning to pay, while the mines of Frontino and B olivia seem to give speci. mens of remarkable...abundar,ce. heating up the ad Unite 1 States Department of Agriculture. a collection of suggest that...may be obtained. Among the.e specimens are notive copper from the Tijeris ence of the wave ridges raised...is a sufficient rise mountain; Rurple copper and native copper f rom the Nacia· flotation; and that not |  | | Journal (issue) | | Great Western. FOR SALBJ, a few shares in a TIN MINE, to pay upwards of 80 per cent., at R. JOHN has...Anglo-Brazil., 12s. 3d 0 Brynpostig, 28s. 9d. 100 Frontino, 8s. 6d. 5 Cain Camborne, 11s6 ) Chiverton, £356...Brazilian, Taquaril Gold shares. : DRTH TRESKERBY.—This mine is looking better than at any time during past Saastwo...still recommend the purchase of these shares. The mine is progressing fast towards a highly remunerative...mines, at close market prices :— Bedford United. Frontino and Bolivia. Tincroft. Chiverton. Great Wheal |  | | Journal (issue) | | every stage of grinding ball manufacture, from the mine to the finished product. The result is forged alloy...Products for The Mining Industry Grinding Rods « Mine Rails and Accessories * Rock Bolts « Realock Metallic...served by pointing out the errors. When speaking of mine shafts it is, of course, usual to think in terms...depths and harder rocks normally encountered in mine shafts. Weights of tools and casing will approach...on April 1961 23, No.4 Major discoveries of copper in Arizona, zinc in New Mexico, ilmenite-magnetite |  | | Journal (issue) | | Two Hydroseal Sand Pun in the plant of a Major copper producer - in the Southwest. to handle ball-mill...southwestern plant of one of America’s largest copper producers. A long series of tests convinced the...and Section = " World’s Largest Molybdenum Mine 4 s is the striking setting for this new Lorain...Distributor — to boost production and cut costs in your mine or pit! THE THEW SHOVEL LORAIN, OHIO HYD RAUL...COMPRESSORS— Models to from 1.6 to 3656 C.F.M. MINE-AIR CONTINUOUS MINERS—For efficient, low-cost mining |  | | Report (issue) | | Cobbing Cenozoic arc magmatism of northwestern Colombia Jorge Julian Restrepo and Jean Francois Toussaint...Peru, and Cenozoic magmatic rocks of northwestern Colombia. The late Precambrian to late Paleozoic and early...University, U.S.A.), D. J. Kontak (Nova Scotia Department of Mines and Energy, Canada), F. Megard (French...continuously along the Pacific coastline from Colombia, through Peru and Chile, into the Antarctic Peninsula...Geochemical and isotopic variations Stephen G. Weaver Department of Geology, Beloit College, Beloit, Wisconsin |  | | Book | | Pachuca, Mexico Giielmambi River, Colombia Cerro de Pasco, Peru Bocaza mine, Bolivia Toquepala, Peru Uncia...Bolivia Potosi, Bolivia St John d’el Rey mine, Brazil Matilde mine, Bolivia Copiapo, Chile Coquimbo, Chile... 10 3 Commerce, credit and control in Chilean Copper Mining Before 1880 John Mayo 29 4 Labour relations...decline of a mining region and mining policy: Chilean copper in the nineteenth century William W. Culver and...Patricia Sachs 192 12 Troncos among black miners in Colombia Friedemann 204 Nina S. de vi Contents 13 |  | | Report (issue) | | ••• Brazil •• • ••• •• • Chile .. . • •• ••• ••• Colombia • • • ••• ••• Dutch Guiana ••• ••• Ecuador •••...often in large quantity. An appreciable amount of copper is sometimes alloyed with natural gold, while occasionally...vary from yellow to nearly silver-white, while copper deepens the tint. • The atomic weight of pure gold...considerably lower than that of either silve.r or copper, while its thermal conductivity is also much inferior...metals smelted from simple and complex ores of copper, lead, and zinc. In the United States, during the |  | | Book (edition) | | Resources - Venezuela — finally getting serious? ° Colombia/Peru — braving guerillas - Mexico — the new frontier...Appendices: I Western World Gold Supply II World Gold Mine Production III Western World Gold Supply and Demand...history, the private buying of gold had exceeded mine supply, forcing central banks to sell into the market...to sign a contract with the city of Palo Alto to ‘mine’ its sewage to recover gold from the effluent of...also made use of gold coins. However, silver and copper coins were used in harness with gold — and were |  | | Journal (article/letter/editorial) | | to extract cobalt, usually to separate it from copper and nickel. One traditional method produces a concentrate...concentrates are converted to sulfate, removing the copper, aluminum, nickel, zinc, and iron via chemical... Hydrometallurgy 2013, 139, 73–78. [CrossRef] Frontino, P.J.; Busnardo, N.G.; Afonso, J.C. Recovery of |  | Qiu, Kun-Feng, Yu, Hao-Cheng, Deng, Jun, McIntire, Duncan, Gou, Zong-Yang, Geng, Jian-Zhen, Chang, Zhao-Shan, Zhu, Rui, Li, Kang-Ning, Goldfarb, Richard (2020) The giant Zaozigou Au-Sb deposit in West Qinling, China: magmatic- or metamorphic-hydrothermal origin?. Mineralium Deposita, 55 (2) 345-362 doi:10.1007/s00126-019-00937-w | Journal (article/letter/editorial) | | authorized users. * Jun Deng djun@cugb.edu.cn 2 Department of Geology and Geological Engineering, Colorado...Kumtor, and Obuasi: Hall and Wall 2007; Pataz and Frontino: Sillitoe 2008; Barberton district: Dirks et al...gold mineralization: an example from the Paulsens mine, southern Pilbara craton. Econ Geol 112:1205–1230...into the formation of the Taiyangshan porphyry copper-molybdenum deposit, western Qinling orogenic belt...Petrogenesis of granitoids in the Dewulu skarn copper deposit: implications for the evolution of the |  | | Journal (volume) | | Analysis, Methods of , -J. Haldane S. Ajo. Copper Leaching at (m.d.) Alaska Juneaa Reorganization...American Metal Co., Control of Ammonia, Leaching Copper Ores with {m.d.) Ammonia, Oxidation of (m.d.) Anaconda...Anaconda, Electrolytic Zinc at Andes Copper Co., Financing the Anthracite Mines in South Russia Aramayo...Aramayo Francke Mines Arizona Copper Armstrong Mechanical Shovel Arsenic in Queensland Arsenic Output of...England Barite, its Uses and Occurrences (m.d.) Basset Mine Closes Belmont, S. A., Qeolooy of Country round |
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