 | | Journal (article/letter/editorial) | | Geology Vol. 96, 2001, pp. 1799–1826 The Candelaria-Punta del Cobre Iron Oxide Cu-Au(-Zn-Ag) Deposits, Chile...Genève, Rue des Maraîchers 13, 1211 Genève 4, Switzerland Abstract Several iron oxide-rich Cu-Au(-Zn-Ag)...a group of middle- and small-sized mines in the Punta del Cobre district, which is located about 3 km...mainly by volcanic and volcaniclastic rocks of the Punta del Cobre Formation and, in places, also occur in...is characterized by abundant magnetite and/or hematite and by locally elevated concentrations of Ag, |  | | Catalog/List | | Attractive large lustrous silvery hematite xtls up to 25mm set in pure hematite matrix. G.RF/D. SPC. C. £6 25)...face to 6cm nearly complete with minor micaceous hematite. G.D. C.£5 Highly Aesthetic World Display_ _...Compania Minera Caren, Tulahuren Oriente, Cerro Punta Negra, 60km from Ovalle, Andes Mountains, Chile. A |  | | Journal (article/letter/editorial) | | Cordillera de Domeyko to the west of the Salar de Punta Negra (Fig. 2b). The oldest unit is a marine clastic...Cordillera de Domeyko, west of the Salar de Punta Negra [9]. Sampling location is shown by black square...magnetite and hematite. The decay of remanence under A F treatment is uncharacteristic of hematite, and typical...temperature of magnetite suggests the presence of hematite. While the magnetite carrier would likely be of...of a primary igneous origin, the hematite carrier would have to have originated as an oxidation product |  | | Report (issue) | | Cataloging-in-Publication Data Cover: The Rio San Juan valley. Its spectacular landscape is a combination of...onto the Paleozoic sedimentary uccession. Thus the valley provides the mo t complete geologic transect through...The dark sediments that follow are part of the Punta Negra Formation, which in turn are overlain by red...Precordillera to Gondwana. The easterly derived Punta Negra flysch-like sediments record uplift and erosion...Andes (Cordillera Frontal) by the longitudinal valley of IglesiasCalingasta-Uspallata (Fig. 2). Toward |  | | Journal (article/letter/editorial) | | C° Yanacocha Yanacocha dacites A Encajon Punta Negra dacite La Quinua dacite Pabellon Sur Granja...beudantite, ba - barite, go = goethite, he = powdery hematite, jar = jarosite, lim = miscellaneous hydrous Fe...Sanidine F Biotite F p p Corimayo-Maqui Maqui-Punta Negra p p Alunite p Stage 3 p p Tr N p Stage 2 Carachugo-Baul...Chaquicocha Sur dome (0.2 km2) crops out in a glaciated valley and is the root of a formerly larger eroded dome...Chaquicocha Norte. Domes at Corimayo, La Quinua, Punta Negra and Chaquicocha Norte have distinctive flow foliations |  | | Book | | Geneve 12, rue des Maraichers CH-1211 Geneve 4, Switzerland Prof. Dr. JOSE FRUTOS Programa de Geologia Econ6mica.... . . . . . . . . . . . . . . . . . . 353 La Negra-Coquimbana Manganiferous District, Southern Atacama...Cauca-Patio graben; 5 Central Cordillera; 6 Magdalena Valley; 7 Eastern Cordillera; 8 Cordillera de Merida;...HILLS sue o:::::il i NTER • EASTERN ANDEAN CORD. VALLEY IT::!] an Precambraan a.nd Paleoro•c granuoads...Marcapomacocha Michiquillay Marcona Monterrosas Martin, San Negra Huanusha Ocofia Olachea Orcopampa Palma Pasto Bueno |  | | Report (chapter) | | K-feldspar (microcline), plagioclase, opaque minerals, hematite and sedimentary or metamorphic rock fragments...maturity, are found in the Villavicencio and Punta Negra formations both from the Precordillera terrane...Precordillera central sanjuanina: Formación Punta Negra. Revista de la Asociación Argentina de Sedimentologı́a |  | | Book | | limestones. The central depression (zone 2), or Central Valley, is a c.Jownwarp with a Mesozoic to Quaternary...several major cities. In southern Chile the centrai valley is not recognized and the transition between the...so-called ·fiat slab' zone). where the Central Valley is also absent. The northern volcanoes a re builL...first description of Cretaceo us am1nonites near Punta Arenas. Subsequently, he spent the best part of...the term ·complex' is n1ore a ppropriate): the Punta Angamos Forn1ation (PAF) and the Jorgino Forn1ation |  | | Journal (article/letter/editorial) | | matrix is mainly sandy and orange-coloured by hematite coating tinting (Net, 1999). Coarse-grained diamictite...foreland basin, easthern Kentucky. In: Incised-valley systems: origin and sedimentary sequences, SEPM... Bustos, U. and Astini, R. (1997) Formaci6n Punta Negra: anilisis secuencial y evoluci6n de la cuenca...(1994) The stratigraphic organization of incised-valley systems associated with the relative sea level...Zaitlin, B.A. and Dalrymple, R. (Eds.), Incised valley systems: orgin and sedimentary sequences. SOC.Econ |  | | Report (volume) | | same type and of similar age in the Neelum River valley, High Himalaya (Fontan et al. 2000). These deposits...Detrital zircon provenance analysis of the Great Valley Group, California: Evolution of an arc-forearc...39Ar chronology and tectonic model for the Neelum valley, Azad Kashmir, NE Pakistan. In: Khan, M. A., Treloar...kinematics of detachment faulting in the Death Valley region, California. Tectonics, 11, 507 –522. Holtz...Multimethod detrital thermochronology of the Great Valley Group near New Idria, California. Geological Society |  | Van Kranendonk, Martin J., Mazumder, Rajat, Yamaguchi, Kosei E., Yamada, Koji, Ikehara, Minoru (2015) Sedimentology of the Paleoproterozoic Kungarra Formation, Turee Creek Group, Western Australia: A conformable record of the transition from early to modern Earth. Precambrian Research, 256. 314-343 doi:10.1016/j.precamres.2014.09.015 | Journal (article/letter/editorial) | | of magnetite, subordinate, very small anhedral hematite crystals, and blades of 177 riebeckite (Fig...structures and combined-flow ripples in the Punta Negra Formation (Lower-Middle Ac ce p 928 d 926...sedimentary processes of La Jolla submarine fan and fan-valley, California. American Association of Petroleum...Van Kranendonk, M.J., Ushikubo, T., Kozdon, R., Valley, J.W., 2011. Constraining atmospheric oxygen and...coarse, euhedral magnetite crystals (black), tiny hematite crystals (red) and riebeckite needles (blue) (width |  | | Book | | .", ~~)'t Demerara '/) ,Plateau ~~~"" q" u Punta Alegre domain /\0,<')0.1.. A. "," 0, \ PANGEAN...MEXICAN " ~""i%\~ . ~v:' ~% ./ ~Siana) America Punta Alegre domain), This reconstruction defines the...intermediate, and silicic volcanism along the Magdalena Valley. Examples of sediments include the Los Indios,...radiometric ages on the blueschists of the eastern Cauca Valley date the collision between the Amaime Terrane and...Metamorphic Zone), and along the eastern Cauca Valley in Colombia near Pasto (Los Azules Complex), east |  | | Report (volume) | | ................................... ' 72 Shady Valley.............................................................................. Lower Mississippi Valley and Gulf region..................................THE UNITED STATES Continued. Lower Mississippi Valley and Gulf region Continued. 5 Pa^e. West-central...district................................ 188 Amazon Valley......................................................................................... 204 Switzerland............................................. |  | | Book | | limestone seal combined to localize Candelaria-Punta del Cobre (Marschik and Fontboté, 2001). The third...on the one hand and the much younger Candelaria-Punta del Cobre district on the other are markedly different...Olympic Dam deposit, some of the neodymium in the hematite-rich ore was derived from the same source as that...Marschik, R., and Fontboté, L., 2001, The Candelaria-Punta del Cobre iron oxide Cu-Au (-Zn-Ag) deposits, Chile:...Publication 9, p. 299–332. Skirrow, R.G., 2009, “Hematite-group” IOCG±U ore systems: tectonic settings, |  | | Book | | of the Pavón Formation. It is carried either by hematite (B1) or magnetite (B2) and the presented dual...pyrite and sphalerite), as well as the hydrothermal hematite of the Alto Molle mine (within the La Horqueta...K-feldspar (microcline), plagioclase, opaque minerals, hematite and sedimentary or metamorphic rock fragments...textural maturity, e.g. the Villavicencio and Punta Negra Formations both from the Cuyania terrane. They...Bonorino G (1975) Sedimentología de la Formación Punta Negra y algunas consideraciones sobre la geología regional |  | | Report (issue) | | 1,700 feet and finally dropping rapidly to the valley of the Pulangui at to 1,200 feet. The an elevation...south by Mount Kotunlod and the Pulangui River Valley. A lofty, igneous range of mountains, wliich includes...34. Cox, Ferguson, H. G. Coal in the Cagayan Valley. (1908), 3, 635-537. 1 map. Cox, A. J. Philippine...well 21 meters deep and found some Vigo River Valley. On oil. This Bayhay River there is another...Guinobatan River. A light-house has been erected on Punta Colorada opposite Aroroy, allowing vessels to enter |  | | Journal (article/letter/editorial) | | geological targets: the Helvetics nappes of Switzerland and the Franciscan complex of central California...University of Lausanne, BFSH-2, 1015 Lausanne, Switzerland Hydrothermal alteration about 350 meters thick...of Geological Sciences, University of Bern, Switzerland (latoui@geo.unibe.ch) Noble gases are a uniquely...times attempting to minimize the formation of hematite (or magnetite) as a weathering product. Typical...initial values, which can eventually result in hematite formation. However, this reaction might be counterbalanced |  | | Book (volume) | | Rivers—Germany Naab River Valley (Germany) UF Naab Valley (Germany) BT Valleys—Germany Naab Valley (Germany) USE...USE Naab River Valley (Germany) Na’ami sheep USE Awassi sheep Na‘ar (The Hebrew word) BT Hebrew language—Etymology...Nacimiento River Valley (Calif.) UF Nacimiento Valley (Calif.) Nacimiento River Valley (Calif.) (Continued)...Valleys—California Nacimiento Valley (Calif.) USE Nacimiento River Valley (Calif.) Nacionalni park Kornati...River Valley (England) USE Nadder Valley (England) Nadder Valley (England) UF Nadder River Valley (England) |  | | Book | | viewed with mixed feelings by those living in the valley of the Nile since prehistoric times. One of the...walls of the valley or by variations in the thickness or hardness of the alluvial valley deposits. He...Lyell's further travels to Spain, Germany, and Switzerland, deals primarily with stratigraphic 9 geology...by a flood of waters pouring violently down this valley." Historical Background Dana also thought that...Himalayas, compared it with the "Molasse" of Switzerland and with modern alluvium, as follows: 13 Growth |  | | Report (issue) | | water The pre-Quaternary surface in the Jordan Valley, Utah, by Ted Arnow, Richard Van Horn, and Reed...undated rocks on the south side, in Pilot Knob Valley, consist largely of chert with lesser amounts of...crop out south of the Garlock fault in Pilot Knob Valley and 30 to 40 miles east of the El Paso Mountains...Formation (El Paso Mountains) and in Pilot Knob Valley Fault Dnt.ted whe-re concealed !.-Generalized...map and lithologic data. The rocks in Pilot Knob Valley had been noted during earlier reconnaissance mapping |  | | Report (issue) | | — ______ 30 11. Lithium production from Searles Valley, by Larry E. Rykken, Kerr-McGee Chemical Corporation...___________________________________ Map showing Imperial Valley geothermal area and location of geothermal wells...Locations of the Long Valley caldera (from Bailey and others, 1976), Long Valley Reservoir (Lake Crowley)...Index map showing location of Searles Lake, Clayton Valley, and Willcox P'aya ———————————————————————— Profile...___—__ Regional Bouguer gravity map of Clayton Valley, Nev __—— ———————— —————— ——— ——————— ———— ———— |  | Kogel, Jessica Elzea, Trivedi, Nikhil C., Barker, James M., Krukowski, Stanley T. - Eds. (2006) Industrial Minerals and Rocks (7th ed.) Society for Mining, Metallurgy, and Exploration, Inc., Littleton, CO. | Book (edition) | | Vermiculite Technologies Dillon, Montana Retired Oro Valley, Arizona David C. Hoffman William H. Langer ...Macon, Georgia Santini and Associates Inc. Oro Valley, Arizona George Podolsky Kevin D. Schaal Elementis...coproducts, such as fluorite and barite from Mississippi Valley–type lead-zinc deposits, or quartz, feldspar, and...ilmenite, and rutile; chrysoberyl, co rundum, hematite, and magnetite; periclase, p yrochlore, and pyrolusite;...in v arious ore deposits, including Mississi ppi Valley (lead/zinc ) type deposits, h ydrothermal veins |  | | Book | | 273 Basin margin sediments.275 Lake Lisan, Jordan Valley .277 Lake Asal, Republic of Djibouti.280 Are all...Plio-Pleistocene sediments of the East African Rift Valley lakes (Casanova, 1986). Similar marginward microbial...halite from perennial saline lake interval, Death Valley core, depth >f 15.8 m. Bottom-grown halite crystals...halite from perennial saline lake interval, Death Valley core, depth of 8.6 m. Halite pisoids, 1-5 mm in...both pedogenically precipitated the African Rift Valley and along the southern end in the Dead and detrital |
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