 | | Report (issue) | | Geology and Mineral Resources of Paraguay A Reconnaissance GEOLOGICAL SURVEY PROFESSIONAL Prepared...Obras Publicas y ComunicacioneSj Republica del Paraguay, under the auspices of the Institute of Inter-American...PAPER 327 Geology and Mineral Resources of Paraguay A Reconnaissance By EDWIN B. ECKEL With sections...Obras Publicas y Comunicaciones, Republica del Paraguay, under the auspices of the Institute of In ter-...PRINTING OFFICE, WASHINGTON : 1959 UNITED STATES DEPARTMENT OF THE INTERIOR FRED A. S EATON, Secretary GEOLOGICAL |  | Lajoinie, MarĂa Florencia, Sial, Alcides, BalliviĂĄn Justiniano, Carlos Alberto, Cingolani, Carlos Alberto, Recio, Clemente, Etcheverry, Ricardo Oscar, Basei, Miguel, Lanfranchini, Mabel Elena (2019) First geochronological constraint for the Palaeoproterozoic Lomagundi-Jatuli δ13C anomaly in the Tandilia Belt basement (Argentina), RĂo de la Plata Craton. Precambrian Research, 334. 105477 doi:10.1016/j.precamres.2019.105477 | Journal (article/letter/editorial) | | Clemente Reciof, Ricardo Oscar Etcheverrya,d, Miguel Baseig, â Mabel Elena Lanfranchinia,h, a Instituto... Calle 60 y 124, Berisso CP1923, Argentina c Department of Geology, Federal University of Pernambuco...Tandilia Belt basement. The marble was found at the San Miguel area as part of a metamorphic rock assemblage...was intruded by leucogranites that provoked the San Miguel skarn formation. First U-Pb LA-ICP-MS age of...data would favor the correlation between the San Miguel marble and the Montevideo Formation marble of |  | | Report (issue) | | ............................................. Graphite ................................................50 Clays 50 Coal 52 Fluorspar 52 Gold ..'. 53 Graphite .... 53 Gypsum 54 Iron 55 Limestone 55 Manganese...mining and shipment of the mineral. SAN MIGUEL COUNTY In San Miguel County, barite occurs 2 miles north...reported in other metal mines in the county.34 SAN MIGUEL COUNTY Flourspar is found as a gangue mineral...675,607 in gold was produced from Ouray County. SAN MIGUEL COUNTY Gold predominates in the ores of the Telluride |  | | Journal (issue) | | be divided into three assemblages: (1) quartz, graphite, fluorite and pyrite; (2) calcite, barite, fluorite...sulfides near shear zones? What is the origin of the graphite? Are the diabase dikes in the area related to...calcite is one of the last minerals to have formed. Graphite C âCoal blendâ (a straightforward translation...been used for graphite or bitumen at Kongsberg. Chemical analyses show that this graphite consists of 90%...very much like those of anthracite. Kongsberg graphite has been briefly Argentite Ag2S Argentite occurs |  | | Journal (article/letter/editorial) | | deposits (Aguas TenĚidas Este, ConcepcioĚn, San Miguel, San Telmo and Cueva de la Mora) located in the...northern IPB (namely, Aguas TenĚidas Este, San Telmo, San Miguel, Cueva de la Mora and ConcepcioĚn). Additionally...deposits (Aguas TenĚidas Este, San Miguel, ConcepcioĚn, Cueva de la Mora and San Telmo massive sulphide deposits...0.2 g/t Au (Miner 1993 unpublished data). San Miguel, San Telmo and Cueva de la Mora are presently out...del Hierro; RT Rio Tinto; SM San Miguel; SP San PlatoĚn; SO Sotiel; ST San Telmo; SV Soloviejo (Mn mineralization); |  | Gomez-Caballero, J. A., Villasenor-Cabral, M. G., Santiago-Jacinto, P., Ponce-Abad, F. (2010) HYPOGENE Ba-RICH TODOROKITE AND ASSOCIATED NANOMETRIC NATIVE SILVER IN THE SAN MIGUEL TENANGO MINING AREA, ZACATLAN, PUEBLA, MEXICO. The Canadian Mineralogist, 48 (5) 1237-1253 doi:10.3749/canmin.48.5.1237 | Journal (article/letter/editorial) | | AND ASSOCIATED NANOMETRIC NATIVE SILVER IN THE SAN MIGUEL TENANGO MINING AREA, ZACATLĂN, PUEBLA, MEXICO...Universitaria, CoyoacĂĄn, 04510 D.F., Mexico Abstract The San Miguel Tenango area, in the northern part of the State...silver, Pliocene, San Miguel Tenango, Puebla, Mexico. Sommaire La rĂŠgion de San Miguel Tenango, dans le...manganosite, barium, argent natif, Pliocène, San Miguel Tenango, Puebla, Mexique. Introduction Previous...associated with native silver, as in the now-abandoned San Miguel Tenango and the nearby Tetela de Ocampo mining |  | Shuster, Jeremiah, Reith, Frank, Izawa, Matthew, Flemming, Roberta, Banerjee, Neil, Southam, Gordon (2017) Biogeochemical Cycling of Silver in Acidic, Weathering Environments. Minerals, 7 (11) 218 doi:10.3390/min7110218 | Journal (article/letter/editorial) | | 700-0082, Japan; matthew_izawa@okayama-u.ac.jp Department of Earth Science, The University of Western Ontario...ore bodies below the surface [37â41]. The San Telmo, San Miguel and Tharsis mines (near Huelva, Spain) once...formations and mine soils were collected from San Telmo, San Miguel and Tharsis mines, Spain. Samples of weathered...southern Spain and locations of the abandoned San Telmo, San Miguel and Tharsis open pit mines (A); a schematic...source (Co KÎą, Îť = 1.7902 Ă
), with curved-crystal graphite monochromator. The diffractometer was calibrated |  | | Report (issue) | | the Pecos mine of the American Metal Company in San Miguel County. This property has become the chief producer...molybdenum ore have been mined near Las Vegas, San Miguel County. Molybdenum deposits are reported in the...preservatives. Bismuth. - Bismuth ores occur in the San Andreas Mountains, Socorro and Dona Ana counties...has been marketed from the northern part of the San Andreas Mountains. Bismuth is made use of in fusible...products, feldspar, fluorspar, fuller' s earth, graphite, guano, gypsum, limestone and lime, lithium minerals |  | Litherland, M., Annells, R. N., Appleton, J. D., BerrangÊ, J. P., Bloomfield, K., Burton, C. C. J., Darbyshire, D. P. F., Fletcher, C. J. N., Hawkins, M. P., Klinck, B. A., Llanos, A., Mitchell, W. I., O'Connor, E. A., Pitfield, P. E. J., Power, G., Webb, B. C. (1986) The geology and mineral resources of the Bolivian Precambrian shield. Overseas Memoir 9. British Geological Survey | Report (volume) | | 55 Minor intrusions 55 Tectonic framework of the San Ignacio Orogeny 56 The early events (Doi and Do2)...Metamorphic Basement ( > 1400Ma) Geochronology 11 The San Ignacio Schist Supergroup 12 Stratigraphy 14 Quartzites...mafic/ulu¡arnafic intrusive formations 24 Deposition of. the San Ignacio Supergroup 25 The Chiquitania Gneiss Complex...Basen1ent 38 The quest for a stratigraphy 39 Three: The San Ignacio Orogeny (c.1400-1280Ma) 41 Geochronology...Petrogenesis 50 Other orogenic rock units 53 Migmatites 53 San Ignacio granitoids of the Southern Zone 54 11 Four: |  | | Journal (article/letter/editorial) | | variety manganoan, Argentine vein, Idarado mine, San Miguel County, Colorado. Dave Bunk specimen, Ed Raines... 35 Arem, J. E., see Media Reviews Arrojadite, Miguel Arrojado Ribeiro Listoa, 47 Arsenic, Madagascar... Part 2, 106-7 Graftonite, New Hampshire, 254 Graphite, Maine, 415; Ontario, Canada, 172 Gratonite, Lengenbach...98 Haynes, P. E., Mineralogy of the Joiniic Mine, San Juan County, Utah, 240-48 Head, J. A., see Twenty-Sixth...and Mining History of the Telluride District, San Miguel County, Colorado: Part I-A Historical Overview |  | Barton, H.N., Fey, D.L., Motooka, J.M., Hopkins, R.T. (1992) Analytical results and sample locality maps of stream-sediment and heavy-mineral-concentrate samples from the San Juan National Forest, Archuleta, Dolores, Hinsdale, La Plata, Mineral, Montezuma, Rio Grande, San Juan, and San Miguel counties, Colorado. Open-File Report Vol. 1992 (92-709) US Geological Survey doi:10.3133/ofr92709 | Report (issue) | | UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY Analytical results and sample locality maps...stream-sediment and heavy-mineralconcentrate samples from the San Juan National Forest, Archuleta, Dolores, Hinsdale...Plata, Mineral, Montezuma, Rio Grande, San Juan, and San Miguel counties, Colorado By Harlan N. Barton*...inductively coupled plasma method.........5 Gold by graphite furnace atomic absorption...........5 Uranium... 8 Illustrations Figure 1. Location map of the San Juan National Forest, Archuleta, Dolores, Hinsdale |  | | Book | | Hermosillo District ... Alamos District ........ San Bernardo Area Alistos District ........... Magdelena...Eulalia District....... El Potosi Mine............. San Antonio Mine....... Cusihuiriachic District............ El Sanlin Mine......................... San Miguel de Allende ........... Queretaro ........................... Mexican Opal Names............... San Juan del Rio......................... Queretaro Area...Charcas District .......... Guadalcazar District .. San Luis Potosi .......... 46 46 46 46 47 INDEX MAP |  | | Book (edition) | | DEPARTMENT OF THE INTERIOR UNITED STATES GEOLOGICAL SURVEY J. \V. POWELL, DIRECTOR USEFUL MINERALS...pyrites. Coal, bitumin Coal ous. Gold Gold Galenite Graphite Lignite Muscovite Pyrite Remarks. Many unworked...many other ores and rocks. Granite . Graphite, plumbago, Rare. Graphite . black lead. Mined as flux in lead...Copper ore . . Galena, lead ore . Granite Solano and San Luis Obispo counties. Used for mantels, pedestals...ornaments. Placer and Butte counties. Los Angeles, San Luis Obispo, Santa Barbara, and Santa Cruz counties |  | | Report (issue) | | ...........................................52 Graphite ................................................few miles to the south of the Old Placers, in the San Pedro (Tuerto) Mountains. The first symptoms of "gold...The Hamilton mine, on the Pecos in northwestern San Miguel County; also, numerous prospects in the Santa...strike were recently placed on exhibition at the San Diego Exposition in the New Mexico building and are...Georgetown Kimball Lone Mountain Pinos Altos Pyramid San Simon Steeple Rock Telegraph Luna Cooks Peak Florida |  | | Journal (article/letter/editorial) | | the limestone, and the temperature very high, graphite will form. At the contact, the limestone may be...new minerals as epidote, quartz, chlorite, etc. Graphite is found only in metamorphic rocks. It may be...disseminated graphite flakes. The marble of Mahren, Austria, was once mined for graphite. In Alabama there...that average 3 per cent graphite. Sonora, Mexico produces considerable graphite from coal beds altered...by heat and the residual carbon was changed to graphite. Similarly, coal beds at Cranston, Rhode Island |  | | Report (issue) | | New Mexico Legislature of 1927. It was made a department of the New Mexico School of Mines, and hence...publications can be obtained by writing direct to the department or bureau of issue, Washington, D. C., some being...Contributions Dept. . . . . . . . . . . . . . . . . . . . Department Doc ....................... Document Ed. . ....U. S. Pacific R. R. Expl. United States (War Department), Pacific Railroad Explorations (U. S., 33d Congress...Dept.), Chief Engr., An. Rp. United States (War Department), Chief of Engineers, Annual Report. Utah Acad |  | | Book (edition) | | have access. Katherine G. Simons, of the English Department at the University, contributed suggestions as...been recovered from excavations in Chaco Canyon, San Juan County: as a Aragonite Malachite Muscovite...the Rio Grande Valley, somewhere between and the San Mateo Mountains, they found "very contents." The...established his headquarters and first Spanish settlement, San Juan, 7 at the pueblo of Oke, near the junction of...northwest of the present San Juan Pueblo on Geol. Survey topographic map of the San Juan Pueblo quadrangle |  | | Report (volume) | | DEPARTMENT OF THE INTERIOR UNITED STATES GEOLOGICAL SURVEY GEORGE OTI8 SMITH, DIRECTOR BULLETIN 585... Tenn. California........Mr. William H. Storms, San Francisco. Prof. A. F. Rogers, Stanford University...Tallapoosa County, Tallassee. Graphite (plumbago). Chilton County, flake graphite mined along Mountain Creek...THE UNITED STATES. Lone Star; Maricopa County, San Domingo; Mohave County, Bentley and Hualpai; Pima... Warren and Tombstone districts; Mohave County, San Francisco district; Yavapai County, Big Bug, Martinez |  | | Map | | Mexico Energy, Minerals and Natural Resources Department, 1986-2015; McLemore and Lueth, 2016; McLemore...Mexico Energy, Minerals and Natural Resources Department (2015). **Industrial minerals include the combined...for metals. On October 6, 1942, the U. S. War Department closed all gold mines in the United States. Only...Arriba San Juan 25 Mora Los Alamos 2.5 Sandoval McKinley 40 2.0 Cibola Valencia San Miguel Santa...prospects, mills, and mines was funded by the U.S. Department of Energy and the NMBGMR, and released as McLemore |  | | Journal (issue) | | (Mon-Fri, 9am-5pm). Or write to: Back Issues Department, Treasures of the Eanh, Orbis Publishing Ltd...477 7391 for details, or write to: Back Issues Department, Republican News Agency, PO Box 16034, Doornfontein...distinctly greasy to the touch. It looks similar to graphite but has a higher specific g r avity. The iron...bounded in the north and northeast by Bolivia, Paraguay and Brazil; in the east by U ruguay and the South...::0 e SAN MIGUEL OE T\JCUMAN )> ⢠LA RIOJA g ⢠SAN JUAN ACONCAGUAMf ⢠⢠coROOBA I!; SAN LORENZO |  | | Report (issue) | | New Placers (San Pedro, Golden, Tuerto) district ................................ 37 San Pedro mine .............................................. 53 Graphite .................................................. 34 10. Metal production of the New Placers (San Pedro, Golden, Tuerto) mining district, Santa Fe...Todilto Formation (Jurassic), and natural gas from the San Juan Basin. Annual production of nonmetals ranges...three-county area is not large, proximity to the San Juan gas field is a favorable economic factor. Introduction |  | | Report (issue) | | Sedimentary Rocks in the Slick Rock District, San Miguel and Dolores Counties, Colorado GEOLOGICAL SURVEY...Sedimentary Rocks in the Slick Rock District, San Miguel and Dolores Counties, Colorado By DANIEL R. SHAWE...GEOLOGIC INVESTIGATIONS IN THE SLICK ROCK DISTRICT SAN MIGUEL AND DOLORES COUNTIES, COLORADO GEOLOGICAL SURVEY...PRINTING OFFICE, WASHINGTON : 1968 UNITED STATES DEPARTMENT OF THE INTERIOR STEW ART L. UDALL, Secretary... GEOLOGIC INVESTIGATIONS IN THE SLICK ROCK DISTRICT, SAN MIGUEL AND DOLORES COUNTIES, COLORADO PETROGRAPHY OF |  | | Report (volume) | | PRINTING OFFICE, WASHINGTON : 1961 'UNITED STATES DEPARTMENT OF THE INTERIOR CECIL D. ANDRUS, Secretary ...from Boulder County to the southern limits of the San Juan Mountains. They have yielded much of the silver...diopside, epidote, essonite, .fluorapatite, garnet, graphite, hematite, magnetite, muscovite, quartz (sagenitic)...chlorite, diopside, epidote, fluorapatite, garnet, graphite, heulandite, !azurite, magnetite, mizzonite, sahlite...12 miles, thence turn east 2 miles to the mine. SAN JUAN COUNTY Locality 1.-Silverton district, Sunnyside |  | | Report (volume) | | DEPARTMENT OF THE INTERIOR FRANKLIN K. LANE, Secretary UNITED STATES GEOLOGICAL SURVEY GEORGE OTIS SMITH...Nashville, Tenn. California____.Mr. William H. Storms, San Francisco. Prof. A. F. Rogers, Stanford University...Tallapoosa County, Tallassee. Graphite (plumbago). Chilton County, flake graphite mined along Mountain Creek...present in Coconino County, in the region of the San Francisco Mountains, and in ...McDonnell Mountains; Vulture district, Cleopatra mine; San Domingo placers, where it is known by the Mexicans |  | Collins, Donley S., Cobban, Robert R., Foord, Eugene E., Murphy, Jack A. (1989) Bibliography for update and revision of U.S.G.S. Bulletin 1114, Minerals of Colorado -- a 100 year record, by Edwin B. Eckel, Part A - Paper copy --Bibliography data file disks. Open-File Report Vol. 1989 (89-206) US Geological Survey doi:10.3133/ofr89206a | Report (issue) | | UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY Bibliography for update and revision of U...nomenclature. 'U.S. Geological Survey Denver, Colorado Department of Geology, Denver Museum of Natural History...E., 1900, Report on the Alta group of mines, San Miguel County, Colorado: Golden, Colorado School of...F. , 1970, Precambrian melasyenite of Ute Creek, San Juan Mountains, Colorado--Chemistry, petrology and...1984, Geology of an Oligocene-age acid hot spring, San Luis Hills, Conejos and Costilla Counties, Colorado: |
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