 | Chiaradia, M., Tripodi, D., Fontbote, L., Reza, B. (2008) Geologic Setting, Mineralogy, and Geochemistry of the Early Tertiary Au-Rich Volcanic-Hosted Massive Sulfide Deposit of La Plata, Western Cordillera, Ecuador. Economic Geology, 103 (1) 161-183 doi:10.2113/gsecongeo.103.1.161 | Journal (article/letter/editorial) | | Volcanic-Hosted Massive Sulfide Deposit of La Plata, Western Cordillera, Ecuador M. CHIARADIA,†D. TRIPODI, L. FONTBOTÉ...MINERA S.A., Isabel La Católica No. 882 y Cordero, Quito, Ecuador Abstract La Plata is, economically,...sulfide (VHMS) deposits of the Western Cordillera of Ecuador, with preliminary estimated reserves of 840,000...the Chimbo-Toachi shear zone in the late Eocene. La Plata displays a typical VHMS vertical zonation, from...sulfides, massive sulfide lenses, and a thin red jasper bed with exhalative-sedimentary textures. The massive |  | Vallejo, Cristian, Soria, Francisco, Tornos, Fernando, Naranjo, German, Rosero, Bayardo, Salazar, Fredy, Cochrane, Ryan (2016) Geology of El Domo deposit in central Ecuador: a VMS formed on top of an accreted margin. Mineralium Deposita, 51 (3) 389-409 doi:10.1007/s00126-015-0616-x | Journal (article/letter/editorial) | | ARTICLE Geology of El Domo deposit in central Ecuador: a VMS formed on top of an accreted margin Cristian...arc rocks of the Macuchi Formation in central Ecuador. The mineralization includes massive and semi-massive...Av. 10 de Agosto N37-232 y Villalengua, Quito, Ecuador 2 Geostrat SA, Av. República de El Salvador E9-10... de Los Shyris Edificio ONIX, Piso 10, Quito, Ecuador 3 Centro de Astrobiologia (CSIC-INTA), Torrejon...Farallon and the South American Plate. Keywords Ecuador . Massive sulfides . Macuchi . El Domo . Western |  | | Journal (article/letter/editorial) | | : V. Bécu Geological Survey of Canada, 490 rue de la Couronne, Quebec City, QC G1K 9A9, Canada e-mail:...tonnages, as an open pit operation will typically mine large tonnages at lower grades, illustrating the...Similarly, the VMS deposits of the Macuchi Belt in Ecuador are particularly rich in gold (Chiaradia and Fontboté...Lemoine, Quebec; Guha 1984; Guha et al. 1988; La Plata, Ecuador; Chiaradia et al. 2008; Iron King, Arizona;...Lake Camps; Caribou in the Bathurst Mining Camp; La Zarza in the Iberian Pyrite Belt; Greens Creek in |  | | Report (issue) | | Utah is a part of the Colorado Plateau treated. province, a land of naked rocks, of canyons, buttes, In...region had been mapped by Emery 1 in 1917 and much province which includes the San Rafael Swell and of the...connection with the early surveys of the plateau province, described adjacent districts and only incidentally...Book Cliffs, east of Green River, and north of the La Sal Mountains is a large district showing only minor...though igneous rocks are prominent in the near-by La Sal, Blue, and Henry Mountains and in the southern |  | Borg, G., Karner, K., Buxton, M., Armstrong, R., Merwe, S. W. v. d. (2003) Geology of the Skorpion Supergene Zinc Deposit, Southern Namibia. Economic Geology, 98 (4) 749-771 doi:10.2113/gsecongeo.98.4.749 | Journal (article/letter/editorial) | | between the Kalahari cratonic province and the Rio de la Plata cratonic province. The metavolcanic and subvolcanic...and some 15 km north-northwest of the Rosh Pinah mine in the southernmost Namib Desert, Namibia (Fig....rifting (Frimmel et al., 1996a, b; Frimmel, 2000; Jasper et al., 2000; Borg and Kärner, 2001; Borg et al...Ocean which, subsequently, separated the Rio de la Plata craton to the west from the Angola and Kalahari...1991; Trompette, 1994; Frimmel and Frank, 1998; Jasper et al., 2000). Amphibolites of the allochthonous |  | | Report (issue) | | Argentina Falkland Islands Chile Bolivia Peru Ecuador xv < . AMERICA E America General E11-E29...under the country; in certain cases with state or province; e.g., FI219, Mexico; F1529.M9, Mosquito Reservation...general works only For mounds in a particular state, province, or region see E78.A+ (74.A-Z) 75 76 76.2 76...7 76.8 76.85 76.86.A-Z 77 77.2 77.4 By state, province, or region, A-Z Indians of North America Periodicals...treatises Juvenile works Minor works By state, province, or region, A-Z < Including Indian antiquities |  | | Report (volume) | | Rico district____________________________________ La Plata district._________________________ Engineer Mountain...maximum background______ ____ __ ___ _____ 2. Mines or mine dumps in the Red Mountain mining district having...maximum background________ __ ____ __. 3. Mines or mine dumps in the Bonanza mining district having maximum...______ __ 4. Mines or mine dumps in the Telluride, Mount Wilson, Rico, La Plata, Engineer Mountain, Burrows...collected from the Bonanza, Upper Uncompahgre, La Plata, and Red Mountain districts contain 2.71, 0.53 |  | | Report (issue) | | Plateau Province..................... 21 Major divisions of the Jurassic............ 22 La Plata group...Chuska Valley ......... . . 100 Undifferentiated La Plata and McElmo of Carrizo laccolith ............................... . 100 the Hopi Buttes Province .............. . 65 Monument Valley volcanic field ................ . 100 Undifferentiated La Plata and McElmo of General character ........................... . Garnet .......................... : ..... . Jasper or petrified wood ................. . Building |  | | Report (issue) | | Chile chemistry Colombia crystallography Cuba Ecuador French Guyana Honduras hydrology Latin America...Central Chile quimica Colombia cristalografia Cuba Ecuador frances Guyana Honduras hidrologia Latinoamerica...cabelleria (Costa Rica) cabelleria (Cuba) cabelleria (Ecuador) cabelleria (El Salvador) cabelleria (Guatemala)...(Nicaragua) cabelleria (Santo Domingo) cantero (Ecuador) carga (Venezuela) caro (Santo Domingo) corral...sitio de labor(Mex) solar (Costa Rica) solar (Ecuador) suerte (Nicaragua) suerte (Uruguay) tahulla (Spain) |  | | Report (issue) | | . . . . . . . . . . . . . . . . . . . . . 33 Ecuador . . . . . . . . . . . . . . . . . . . . . . . ...Bonavia, an archaeologist at the Academia Peruana de la Historia in Lima, recognized and was intrigued with...materials from Perú, Bolivia, Chile, Colombia, and Ecuador. Additional analytical data may be found in unnumbered...sub-glacial deposits in the mountainous region near La Rinconada (Puno) continue to provide a part of Perú’s...use today. Native copper from the Cerro de Pasco Mine, a shell used as a palette for mixing cinnabar-based |  | | Report (chapter) | | unit in the entire belt (Hälbich & Alchin 1995; Jasper et al. 2000). Regional mapping (von Veh 1993; Frimmel...western Richtersveld region of the Northern Cape Province in South Africa, and striking out to sea south...Namibian sector by Hälbich & Alchin (1995) and Jasper et al. (2000). An attempt to resolve the sedimentology...parts of the stratigraphic succession was made by Jasper et al. (1992 –1993). Metamorphism (Frimmel 1995)...exhalative base-metal mineralization (Rosh Pinah mine and protore of the secondary Skorpion deposits) |  | | Report (volume) | | portion of coarse-grained granite veins in Piedmont Province from alteration of feldspar. In Calhoun County...STATES ALABAMA. H ing in pure white clay at Eureka mine, 4 miles northeast of Valley Head. Etowah County...was mined with other copper ores at Woods' copper mine. Mica (muscovite). Chilton County, mined in T. 22...County, at Huntsville and Hazelgreen; Walker County, Jasper; Winston County, Haleyville. Largest well in State...also. Randolph County, small quantity at Pinetucky mine; carries gold; also at other gold mines. Pyrolusite |  | | Journal (article/letter/editorial) | | Penn. fossils and zeolites. Slabs and tumbled Pa. jasper and serpentine. Micromounts. Inquiries invited...and w e ' l l postpay. The B r u m m i t t ' s , La Plata, M o . MICROMOUNTS M I C R O M O U N T S — Eight...Sundays. 784 N O V A SCOTIA AGATE — Chalcedony and jasper. Electro-plated jewelry, findings. Custom t u m...Manufacturers: 1 0 % o f f 100 lbs. one i t e m ; mine o w n 5 0 % off. A d d $1 per 10 lbs. postage, half...and w e ' l l postpay. The B r u m m i t t ' s , La Plata, M o . CHRYSOCOLLA — Bright blue specimens, generous |  | Doe, B. R., Steven, T. A., Delevaux, M. H., Stacey, J. S., Lipman, P. W., Fisher, F. S. (1979) Genesis of ore deposits in the San Juan volcanic field, southwestern Colorado; lead isotope evidence. Economic Geology, 74 (1) 1-26 doi:10.2113/gsecongeo.74.1.1 | Journal (article/letter/editorial) | | mineralization. Some other deposits (Summitville, Jasper, Red Mountain district) have values of 2ø•Pb/•ø4Pbsimilar...exposed in a belt which trends northeast from the La Plata Mountains, through Rico and Ouray, and along...Sample number spectrometric Fieldnumber Name of mine technique 2ø6Pb/2ø4Pb 2ø7Pb?ølPb•ø8Pb/•øtPb or...37.31 37.50 CrystalHill mine GloryHoleat Bledell Creek Crystal Hill mine Sky City igneouscenter,...andlowerTertiaryigneous centers are associatedwith the La Plata, Rico, and Ouray centers. Intrusive and volcanic |  | | Report (chapter) | | during continental collision between the Rio de la Plata and Kalahari plates at the end of the Neoproterozoic...dolostone and arenite, and minor ferruginous chert, jasper, vein quartz, limestone, oolitic dolostone and...with isolated dropstones and interbedded chert and jasper (Rooihoogte Bed of Buehrmann 1981). Locally, the...positioned between the Kalahari and the Rio de la Plata Cratons. Both Pb and Nd isotopic evidence (Frimmel...gneiss-sediment relationship northwest of Vanrhynsdorp, Cape Province. Bulletin, Precambrian Research Unit, University |  | | Book (volume) | | .....................45 Arizona – Yuma Co. Hull Mine Site Map ...............................................50 Arkansas – Garland Co. Coleman Crystal mine Site Map ..............................51 Arkansas..................................212 Maine – Pitt mine Map .........................................................................213 Maine – Callahan Mine Map ...................................................................235 Maryland – Great Falls Mine Map ........................................... |  | Janzer, Victor J., Stanley, G.W., Long, H.K., Farrar, J.W., Brezina, K.A. (1991) Data for gross alpha, gross beta, gross radium as radium-226, and uranium in ground and surface waters in the United States, mid-1954 through 1965. Open-File Report Vol. 1991 (91-70) US Geological Survey doi:10.3133/ofr9170 | Report (issue) | | 15 S., R. 46 E., sec. 1, SE1/4. at Keane Vander mine T. 27 N., R. 1 E., sec. 4, NW1/4. spring at mouth...Garfield Mesa Pitkin La Veta Grand Junction Glenwood Springs Grand Junction Carbondale La Veta Grand Junction...Otis Wiley Silverton La Plata Trimble Otis Wiley Opening of caved-in Yukon mine, 3 mi W. of Silverton...Zeigler 10/26/59 Archuleta Archuleta La Plata Red Mesa La Plata Trimble Pikerton Springs, 4 mi N....T. 38 N., R. 3 W., sec. 32, NW1/4, 10/21/59 La Plata Red Mesa 40 mi N. of Pagosa Springs Soda Springs |  | | Report (volume) | | famous mining districts, such as those at Rico and La Plata, but there is no significant mining being done.............................................. . La Plata District (May Day, Oro Fino) ...................63. 64. CONTENTS Geologic map of the Graysill mine area in the Graysill vanadium-uranium mining district...................................... 43 Map of La Plata mining district showing igneous stocks related...78 Schematic diagram of Au-Ag-Te veins in the La Plata district.. .................................. |  | | Book | | wire and leaf gold were taken from the Printer Boy mine, Lake County, in tellurium in many in 1870...a pound. The Boulder Nest mine in Clear Creek County, and the Caribou mine in Boulder County were especially...found iu the Pittsburg mine at Empire. Dendritic coatings found in the Centennial mine, Georgetown. Loose...Summit county. Occasionally found in the Las Animas mine, Boulder county, associated with bismutite and bismuthinite...adamantine. Analysis by Konig of mineral from Iron Arrow mine: sulphuric acid 28'57, sesquioxyd of iron 51'10 |  | | Report (volume) | | COUNTY Locality 1.-Gold Hill district, Copper King mine. Bravoite, cobaltite, garnierite, morenosite, pentlandite...pentlandite, polydymite, and violarite. The Copper King mine is three-fourths mile southwest of Gold Hill and...COUNTY Locality 1.-Browns Creek area, California mine. Beryl, brannerite, ferrimolybdite, .fluorite, jarosite...molybdenite, quartz (clear to smoky), and rutile. The mine is 2 miles southwest of Mount Antero, at an altitude...Chalk Creek. Locality 2.-Turret district, Calumet mine. Beryl, columbite, corundum (var. sapphire), diopside |  | | Book (edition) | | Fayette Court-house, Fayette county, and near Gold Mine in Marion county. These localities are at a distance...ties. Gold. 692 MINERAL RESOURCES. ALABAMA — Mine d — Continued. Mineralogical name. Common name...Wood's mine, Cleburne county, a bedded lode with pyrite, copper ore. in mica schist; Smith's mine, near...Coosa counties. Smelting works erected at wood's mine, Cleburne county j not now in operation. Emery....copper mine, Cleburne county, with other ores of copper; T. 20, R. 7 E., Clay county (Copper Mine). per |  | Almeida, D. del P.M., Hansen, M.A.F., Fensterseifer, H.C., Petry, K., de Lima, L. (2003) Petrology of a Subduction-related Caldera and Post-Collisional, Extension-related Volcanic Cones from the Early Cambrian and Middle Ordovician (?) of the Camaquã Basin, Southern Brazil*. Gondwana Research, 6 (3) 541-552 doi:10.1016/s1342-937x(05)71005-4 | Journal (article/letter/editorial) | | subduction of the Adamastor plate beneath the Rio de la Plata plate in the early Cambrian. The second event...occurred right after the collision of the Rio de La Plata and Kalahari continental plates, in a retroarc...of the Dom Feliciano Belt (to the east) and the La Plata River Craton (to the west). The Camaquii Basin...ET AL. andesitic rocks, local concentrations of jasper, chalcedony and geodes are present throughout the... As, Mo, Sn, Sb, Cs, W, Pb, e U) and rare-earth (La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Tb, |  | | Report (volume) | | Resources of the Mesa Verde Area Montezuma and La Plata Counties, Colorado GEOLOGICAL SURVEY BULLETIN...Resources of the Mesa Verde Area Montezuma and La Plata Counties, Colorado By ALEXANDER A. WANEK CONTRIBUTIONS...________ ________ ___ _ 4. Sedimentary rocks of the La Plata district, Colorado- _______ 5. Analyses of coals...RESOURCES OF THE MESA VERDE AREA, MONTEZUMA AND LA PLATA COUNTIES, COLORADO By ALEXANDER A. WANEK ABSTRACT...Montezuma and La Plata Counties, Colorado. The area lies within the Colorado Plateaus province and is immediately |  | | Report (issue) | | _____________. Rio Bayamon __________________. Rio de La Plata ________________. Rio Grande de Manati ____________...____. Eastern streams _______________. The Upland province _______________. Cordillera Central _______________...divisions of Puerto Rico - Continued The Upland province-Continued Lowland areas ______________________...and valleys _______________ The Northern Karst province _________________ Cone karst _________________________...Zanjones _________________________ The Coastal Plains province __________________ Northern Coastal Plains __________________ |  | | Report (volume) | | working in pure white clay at Eureka V ALABAMA. 7 mine 4 miles northeast of Valley Head. Etowah County...portion of coarse-grained granite veins in Piedmont Province from alteration of feldspar. In Calhoun County...was mined with other copper ores at Woods' copper mine. Mica. See Muscovite. 10 USEFUL MINERALS OF THE...County, mined in Wedowee, and prospected at Pinetucky mine, Natural gas. Occurs in scattering wells in Franklin...at Huntersville and Hazelgreen; Walker County, Jasper; Winston County, Haleyville. Largest well in State |
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