 | | Report (issue) | | INSTITUTE OF MINING & TECHNOLOGY CAMPUS STATION SOCORRO, NEW MEXICO NEW MEXICO INSTITUTE OF MINING AND TECHNOLOGY...quadrangle, within the Tusas Mountains physiographic province, contains Precambrian and Mesozoic rocks unconformably...Rocky Mountain province, and the San Juan Basin, part of the Colorado Plateau province. Cebolla is a fifteen-minute...which are the towns of Cebolla, Park View, and Tierra Amarilla, county seat of Rio Arriba County. The northern...Hopewell—Bromide gold, silver, and copper mining district abuts the eastern edge of the quadrangle. The |  | | Report (issue) | | INSTITUTE OF MINING & TECHNOLOGY CAMPUS STATION SOCORRO, NEW MEXICO NEW MEXICO INSTITUTE OF MINING & TECHNOLOGY...fossiliferous, calcareous sandy beds near the middle (Juana Lopez Member of Dane, Cobban, and Kauffman, 1966)...quadrangles, as well as the northwestern part of the Tierra Amarilla quadrangle, were written by Adams (1957), Trice...southeastern Chama Basin. Current mapping of the Tierra Amarilla quadrangle by Dane and associates will essentially...tourists, fishing, and hunting. Chama and Tierra Amarilla, each with about 1200 inhabitants, are the |  | | Report (volume) | | silver, and gold have been produced from adjacent mining districts, but there is no record of production...Investigations by the Bureau of Mines of claims and mining properties within the study area indicate reserves... FIGURE lead, zinc, and silver in the Lady Bug mine within the large area of altered rock. Other localities...Fruitland Formation near the Himes-Kleckner coal mine shown in plate 1 . . . . . . . . . . . . . . . ...depoists in the nearby Summitville and Platoro mining districts, and Steven and Ratte (1960) in their |  | Armienta, M.A., Talavera, O., Villaseñor, G., Espinosa, E., Pérez-Martínez, I., Cruz, O., Ceniceros, N., Aguayo, A. (2004) Environmental behaviour of metals from tailings in shallow rivers: Taxco, central Mexico. Applied Earth Science, 113 (1) 76-82 doi:10.1179/037174504225004510 | Journal (article/letter/editorial) | | Pérez-Martínez, O. Cruz, N. Ceniceros and A. Aguayo Mining in Mexico has produced important economic benefits...south-west of Mexico City, is one of the historical mining zones of Mexico. The environmental behaviour of...south-west of Mexico City, has been one of the major mining areas in Mexico since pre-Hispanic times. After...conquest, Hernán Cortés opened, in Taxco, the first mine of America called ‘Socavón del Rey’ or ‘Socavón...‘Socavón de Cortés’ in 1522, to exploit silver. Silver mining activities continued irregularly through the following |  | | Report (issue) | | Formation in Western McElmo Canyon. 22 "The Mound." The Juana Lopez Member in the Mancos Shale____.__________...------------64 Map and section of the Karla Kay mine, McElmo Canyon, Montezuma County, Colo_ _______-_-__-_-_----65...showing stratigraphic relations at the Karla Kay mine._________________-____--_-----------------66 CONTENTS...gray limestone and interbedded gray mudstone. The Juana Lopez Member is about 475 feet above the base of...gray to black shaly mudstone and claystone. The Juana Lopez Member is cuesta-forming sandy fossiliferous |  | | Journal (issue) | | . . . . . . . . . . . . 359 SCOTT ROSE QUAR1Z MINE. By Mrs. Edna M. Seo/I ................ 360 TECHNICAL...Mississippi, and South Carolina missing. also the District of C0lumbia) : on Alaska, Hawaii, Philippine Islands...(Louisiana and North Dakota mi~sing) : on the District of Columbia: on Alaska, Canal Zone, Guam, a11d...part of the Island, is the most important from a mining standpoint. Copper: Copper is the most widespread...southeast of San Juan. At one time a small copper mine was operated there in a very inaccessible section |  | | Report (volume) | | Survey C4 Appraisal of identified resources C4 Mining history C4 Mineral appraisal C4 Assessment of potential...southeastern part of the Colorado Plateaus physiographic province. Sedimentary rocks in the study area are folded...In 1981 most of the study area was covered with mining claims; however, these have been abandoned. The...mineral deposits, occurrences, mineralized areas, and mining activity. Land status plats were acquired from...Morrison Formation at the Cebolla 2 prospect and in limonite-stained limestone fragments along the contact |  | | Journal (article/letter/editorial) | | ServicioNacionalde Geologfay Minerfa,Casilla10465,Santiago,Chile Abstract Eightygalenasamples fromdifferentmineraldeposits...galenaspecimens from different ore depositsfrom 48 mining districtsin Chile are presentedhere (Fig. 1). The selected...Jurassicto Pliocene 1973; Grant et al., 1979). Pb IN CHILE,AN GALENAS In more detailed studiesof metallogeniczonesin...strata-boundbodies (see Wellmer et al., 1983, for the El Toqui mine). PreviousWork on Pb Geochemistryin the Central...for •øTpb/2ø4Pb, and•øSPb/•ø4Pb ratios,reof the Chile ridge (46ø S). These Pb data have a •ø6Pb/•ø4Pb |  | | Report (volume) | | 17 Climate and vegetation. 18 _._ History of mining and present conditions___________________ 20 ..._______________ . Placers __ _ Mineralogy ____________ Mining districts, camps, and properties. Helvetia district_..._______________ _____ Ore deposits _ . Copper World mine ____ _____ _____ Location and topography _ _ History..._____ Black Horse mine _ Leader mine_ '. Isle Royal mine Heavy Weight mine Old Dick mine _______________..._______________ _ Mohawk mine _ ___ Omega mine _. 76 77 78 78 78 78 79 80 84 85 86 87 91 91 91 92 92 98 99 99 100 |  | | Book | | Cretaceous-Early Tertiary and Metallogenic Scheme of Northern Chile, Between 20· and 26· S T. Bogdanic C.I S. Espinoza...Cretaceous geology and metallogenesis in the north of Chile. This is followed by a paper on Cretaceous evolution...the Cretaceous evolution of central Argentina and Chile in the present volume, due to force of circumstances...Paracotos and Garrapata Formations (Gonzalez de Juana et aI., 1980), have recently yielded Paleocene and...Brisas Formation of the Caracas Group, Gonzalez de Juana et al., 1980). Despite this imprecision, the geometry |  | Levresse, Gilles, Villarreal-Fuentes, Janet, Nieto-Samaniego, Angel F., Alexandre, Paul, Corona-Esquivel, Rodolfo, Solé Viñas, Jesus (2017) New metallogenic model of telescoped Eocene-Miocene Au-U epithermal mineral deposit in the Placer de Guadalupe district, Chihuahua, Mexico. Ore Geology Reviews, 91. 133-152 doi:10.1016/j.oregeorev.2017.10.011 | Journal (article/letter/editorial) | | epithermal mineral deposit in the Placer de Guadalupe district, Chihuahua, Mexico Gilles Levresse, Janet Villarreal-Fuentes...epithermal mineral deposit in the Placer de Guadalupe district, Chihuahua, Mexico, Ore Geology Reviews (2017)...epithermal mineral deposit in the Placer de Guadalupe district, Chihuahua, Mexico Gilles Levresse1, Janet Villarreal-Fuentes1...all of the largest Ag-Au mining districts. The Placer de Guadalupe Au-U district contain a unique association...the volcanic intrusions and dykes dated in the district (yielding ages of ca. 36 Ma). Altered uraninite |  | | Book | | org/details/geologyofchile0000unse The Geology of Chile • The Geologica l Society of London Books Editorial...T. & GIBBO, s, W . (eds) 2007 . The Geology of Chile. The Geological Society, London. CHARRIER, R., PINTO...the Andean Orogeo in Chile. Jn: MORENO, T. & GrnsoNs, W. (eds) The Geology of Chile. The Geological Society...Society, London, 21-114. The Geology of Chile EDITED BY TERESA MORENO Earth Sciences Institute 'J aume...Grosjean 13. Field excursion from central Chile to the Atacama De<,crt. W. Gibbons & -1. Moreno 329 |  | | Report (issue) | | GEOLOGY AND MINERAL RESOURCES OF THE ORTIZ MINE GRANT, SANTA FE COUNTY, NEW MEXICO Open-file Report 560...Institute of Mining & Technology Socorro, New Mexico 87801 March 2014 ABSTRACT The Ortiz Mine Grant, as...approximately 10 mi x 10 mi tract centered on the old Ortiz Mine in the eastern part of the Ortiz Mountain range...Tuerto Hills, in the southwestern part of the Ortiz Mine Grant. These rocks are similar to those exposed...the Ortiz Mountains. Igneous rocks on the Ortiz Mine Grant may be divided into an early calc-alkaline |  | | Report (issue) | | Puerto Rico Mr. Gregory E. McKelvey Phelps Dodge Mining Company, Tucson, Arizona Mr. Dennis P. Cox United....... 8 Geology of the Area: Southwest Igneous Province ........................ 12 Geology and PGE Potential...Ramon A. Harris (DNR), Greg McKelvey (Phelps Dodge Mining Company), and Joseph Troester (WRD) deserve our...M'l Cretaceous Inlnisivcs lneous Province Northeast//^ Province Figure 1. Schematic geologic map of...Eocene volcanic and Sedimentsry Rocks Icneous Province Oligocenc - Miocene limestone AGE SEIGLIE |  | | Report (volume) | | application of mineral deposit models to classic mining areas in Bolivia. The data that result from these...United States. Bolivia has a long and important mining history, and mineral resources will probably continue...development of future exploration and investment of the mining industry in nontraditional areas of the Andean...being the best example. After hundreds of years of mining, these deposits are still productive and the Cordillera...effort to promote the development of the Bolivian mining sector, TDP provided a grant of $2 million to the |  | | Book (edition) | | PAGE Extraction of Metals and Minerals 398 Mining, 398; Milling, 1+10; Smelting, 1+11+; Refining...and as such was taught as one phase of mining in the early mining schools. As greater attention was paid...tive industries. The early kinship with mining, and metal mining in particular, with which economic geology...specialized subdivision of economic geology known as mining geology which deals especially with the problems...problems of ore deposits and their relation to metal mining and, to some extent, with metallurgy. This relation |  | | Report (volume) | | ....................................... 102 District of Columbia ....................................to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to...abundant it may have been completely exhausted by mining or quarrying. Deposits of minerals that are widely...because they occur in sufficient quantity to warrant mining for their usual products, but because they furnish...near Rockford and Hissop. Brown iron ore. See Limonite. Cement material (Portland). Portland cement manufactured |  | O'Sullivan, R. B., Repenning, C.A., Beaumont, E.C., Page, H.G. (1972) Stratigraphy of the Cretaceous rocks and the Tertiary Ojo Alamo Sandstone, Navajo and Hopi Indian Reservations, Arizona, New Mexico, and Utah. Professional Paper 521e. US Geological Survey doi:10.3133/pp521e | Report (issue) | | between Shiprock and Bitlabito --------------11. Juana Lopez Member of the Mancos Shale along road between...---20. Wepo Formation near the Cow Springs coal mine ------------------'-----------------21. Northeast...through 18 are in the Navajo Indian Reservation, and district 6 is in the Hopi Indian Reservation. Geologic... \ Bureau of Indian Affairs district boundary and numbers of district -m1 Number of 15-minute quadrangle...administration districts and 15-minute quadrangles, by district number and quadrangle number, respectively. Districts |  | | Journal (article/letter/editorial) | | 9.5 Ma and 1.9 Ma. Located 600 km from the Peru-Chile trench, the volcanic belt represents the easternmost...veins cut basement rocks. In the Cañada Honda district, the most important mineral deposits are the Diente...southeastern flat-slab Andean segment of the San Luis province of northwestern Argentina, extending from 28°...canic rocks. Lying 600 to 700 km east of the Peru-Chile trench, Pocho and San Luis volcan ics correspond...terrains in the Sierras Pampeanas of San Luis province have been dated as late Precambrian to earliest |  | | Journal (article/letter/editorial) | | at the Arcturus Mine, Marble, Itasca County, Minnesota (Text-fig. 3). The Arcturus mine is located in the...that the Cretaceous sediments of the Mesabi mining district were “…spread as a mantle over an uneven surface...STEPHEN C. HOOK AND WILLIAM A. COBBAN Arcturus Mine, Marble, Itasca County, Minnesota Pleistocene drift... gray-brown, polished pebbles of hematite and limonite. No fossils. 0 0 Concealed. Top of bench (fossiliferous...Precambrian Biwabik Fm. 2 Conglomerate, hard, polished limonite and hematite pebbles. Conglomerate, coarse basal |  | | Book (edition) | | Extended treatment is not accorded metallurgical and mining processes under mineral co1nmodities. This book...and as such was taught as one phase of mining in the early mining schools. As greater attention was paid...extractive industries. The early kinship with mining, and 1netal mining in p articularJ with which economic geology...specialized subdivision of economic geology known as mining -geology, which deals especially with the problems...geology. The economic geologist functions early in mining operations when he is called upon to determine |  | | Journal (issue) | | abundance. Secondary inclusions include hematite and limonite. These inclusions mainly occur as discrete individual...Majhgawan ( 2 4 ° 3 8 ' N : 8 0 ° 4 ' E ) in P a n n a district, M a d h y a Pradesh, and its geology has been...° 4 9 ' N : 8 0 ° 2 7 ' E ) , where large-scale mining operation is being conducted by the National Mineral...diopside, (vii) gaseous CO2, (viii) hematite and (ix) limonite. Opaque ore minerals : Dark opaque inclusions... developed pseudomorphously after magnetite. Limonite : These are secondary in origin and they occur |  | | Report (chapter) | | (Fig. 1) (Dengo 1953; Kugler 1953; Gonzales de Juana et al. 1968; Maresch 1974; Frost & Snoke 1989; Donovan...Woodbourne Trough of Barbados and the Scotland District to the north, where the Eocene reservoirs are...Total Limonite count Total transluscent Accessories Amphibole?, biotite, apatite, limonite, staurolite...actinolite, chloritoid, epidote, ?kyanite Kyanite, limonite, ?apatite ?Anatase Downloaded from http://sp...facies, and gypsum beds (Dengo 1953; Gonzales de Juana et al. 1968; Potter 1968; Maresch 1974; Algar 1993; |  | | Journal (article/letter/editorial) | | ........................................ 238 Mining districts ....................................... an importantdistributiveand shippingpoint for mining districts, is locatedon the Benson-Nogales branchof...where it crossesthe south-centralpart of the range. MINING DISTRICTS. Beginning on the north the range is...Greatervilledistrictson thenorth,the Tyndall district,on thewest-central slopeof therange,andtheFlarshaw...instances, as at the 240 FRANK C. SCHRADER. Flux mine,nearPatagonia, andat the Duquesne-Washington camp |  | | Report (issue) | | siltstone interbeds; interpreted to be equivalent to Juana Lopez Member of the Carlile Shale (Herman and others...Joint surfaces contain red, orange, and yellow limonite encrustations. The middle shale member consists...Geology and ore deposits of the Breckenridge Mining District, Colorado: U.S. Geological Survey Professional... Geology and ore deposits of the Breckenridge district, Colorado: U.S. Geological Survey Professional |
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