 | | Journal (article/letter/editorial) | | source of Ca and S in soil gypsum, anhydrite and calcite in the Atacama Desert, Chile JASON A. RECH,*,‡...gypsum/anhydrite and 87Sr/86Sr values of soil calcite along three east-west trending transects. Our results...basins, such as the Salar de Atacama and Salar de Punta Negra, separate the Andes from the Cordillera Domeyko...Domeyko and contain thick deposits of valley fill. The Coastal Cordillera is composed of Jurassic andesitic...just south of Antofagasta, through Quebrada la Negra, to the Cordillera Domeyko. This area has a large |  | Prol-Ledesma, R. M., Canet, C., Melgarejo, J. C., Tolson, G., Rubio-Ramos, M. A., Cruz-Ocampo, J. C., Ortega-Osorio, A., Torres-Vera, M. A., Reyes, A. (2002) CINNABAR DEPOSITION IN SUBMARINE COASTAL HYDROTHERMAL VENTS, PACIFIC MARGIN OF CENTRAL MEXICO. Economic Geology, 97 (6) 1331-1340 doi:10.2113/gsecongeo.97.6.1331 | Journal (article/letter/editorial) | | submarine hydrothermal vents at about 10 m depth in the Punta Mita area in western Mexico. The vents occur in...basaltic lava flows, and mafic intrusions crop out in Punta Mita; however, at present there is no volcanic activity...H2, CO2, H2S, and O2. Deposits of carbonates (calcite and aragonite), sulfides (pyrite, cinnabar, minor...areas near the vents. The hydrothermal activity in Punta Mita is related to deep circulation of ground water...Zealand (Stoffers et al., 1999), and now in the Punta Mita submarine hydrothermal system, Mexico. Relatively |  | | 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...amphibole ± epidote alteration at Candelaria. In the Punta del Cobre district, ore in the deeper parts of the |  | | Report (issue) | | physiography --------------Coastal Range and Central Valley -------Atacama Basin and vicinity -------------Andean...tal Range -----------------------------Central Valley -----------------------------Atacama Basin and...ma Basin and vicinity -----------------Central Valley and Coastal range ------------Environment of present...moist gypseous crus,t, eastern side of Salar de Punta Negra -----------------------Diagrams of distinctive...constructional salt terraces at the eastern side of the valley of Rio Salado 35. Small brine pool in a thin rock-salt |  | | Journal (article/letter/editorial) | | and along the whole meridional line Cto. Solo-Punta Negra-Rio Chaiiarmuyo ravine (Figure 1). In these zones...interstitially. Apatite, zircon, titanite, epidote, and calcite are accessory minerals. Enclaves with crenulated...zone at the contact of Campanas granite and Punta Negra basic rocks); (b) MME formed by plastic fragmentation |  | | Catalog/List | | harniotome xtls to --· -,10mm sitting on a brown sparry calcite matrix in exposed vugh. Found 1963, Purchsed from...between 7 & 20mm dia. £8 19) CALCITE,Freiberg,Saxony,GermanyWhite hexagonal calcite xtls to 13mm covering druse...QUARTZ & CALCITE,Haut Atlas,Morocco. Slightly amethystine quartz geode with secondary calcite xtls on...Compania Minera Caren, Tulahuren Oriente, Cerro Punta Negra, 60km from Ovalle, Andes Mountains, Chile. A... Quebec, Canada. Pure FL SW pink. Ml. £10 51) CALCITE (multi-banded),nr New Windsor, Carroll County, |  | Quade, J., Rasbury, E.T., Huntington, K.W., Hudson, A.M., Vonhof, H., Anchukaitis, K., Betancourt, J., Latorre, C., Pepper, M. (2017) Isotopic characterization of late Neogene travertine deposits at Barrancas Blancas in the eastern Atacama Desert, Chile. Chemical Geology, 466. 41-56 doi:10.1016/j.chemgeo.2017.05.004 | Journal (article/letter/editorial) | | found at Devils Hole and Furnace Creek in Death Valley, USA, CE 1. Introduction PT and as such warrant...characterized in IP several localities in Death Valley USA, namely at Devils Hole and Furnace Creek CR...situated in the southeast quadrant of the Salar de Punta Negra T basin, ~200 km southeast of the coastal city...Cordillera IP Domeyko borders the western side of the valley, and the loftier western Cordillera of the CR...the margins of Salar de Punta Negra (Fig. 1), a large phreatic playa in the valley bottom. M Barrancas |  | | 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 |  | | Report (issue) | | Borateras de Chilcaya Salar del Huasco Salar de Punta Negra DEPOSrTNAME Table 1 . Borate deposits. | ...Iran |D ', Ashin Deh-e-Shotoran Tonkar Puga Valley i ii , Greece Karlovassi Basin - Samos Island...116-40-34W Death Valley Death Valley Death Valley Death Valley Death Valley Death Valley Fort Cady P 'BO...36-19-11N Death Valley - Ryan area Death Valley - Amargosa area ; 36-1 5-30N 36-23-14N Death Valley 36-31-35N...36-31-35N Valley 36-29-5 IN Valley Valley - Amargosa area 36-14-16N 36-17-53N Valley - Ryan area 116-53-35W |  | | Journal (article/letter/editorial) | | C° Yanacocha Yanacocha dacites A Encajon Punta Negra dacite La Quinua dacite Pabellon Sur Granja...weakly developed zone of chlorite-illite-smectite-calcite (propylitic) (Table 2; Harvey et al., 1999; Myers...Alteration abbreviations: alun = alunite, ca = calcite, chl = chlorite, dia = diaspore, dick = dickite...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 |  | | Journal (article/letter/editorial) | | 103.5). Several groundwaters are at or above calcite saturation, although several groundwaters with...with elevated SO42 contents are well below calcite saturation, and also possess carbon isotopic compositions...that groundwaters collected from the Salar de Punta Negra show clear evidence for evaporation and hydrogen...sulfur and strontium isotopes of soil gypsum and calcite in three transects from the coast towards the Andes...groundwaters from in and around the Salar de Punta Negra, near Mina Escondida, have d34SCDT from +3.0& |  | | 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 |  | | Journal (article/letter/editorial) | | from dilute and brackish waters, probably in Mg-calcite and authigenic smectites (Badaut and Risacher,...completely each year. Only minerals of low solubility (calcite, Mg-silicates) may remain partially in place. Therefore...(ac3); 28, Capur (cpr); 29, Imilac (imi); 30, Punta Negra (pun); 31, Aguas Calientes 4 (ac4); 32, lag....source of Ca and S in soil gypsum, anhydrite and calcite in the Atacama Desert, Chile. Geochim. Cosmochim |  | Mathur, R., Marschik, R., Ruiz, J., Munizaga, F., Leveille, R. A., Martin, W. (2002) Age of Mineralization of the Candelaria Fe Oxide Cu-Au Deposit and the Origin of the Chilean Iron Belt, Based on Re-Os Isotopes. Economic Geology, 97 (1) 59-71 doi:10.2113/gsecongeo.97.1.59 | Journal (article/letter/editorial) | | (1998) WSW NNE Bronce deposit Mine closed Punta Negra Tailing impoundments 1000 m N Viñita Azul...Candelaria PC 99023 A' Khd Carola Lar Fault Punta del Cobre district Panamericana Highway Bronce...99027 Scapolite ±pyroxene ±garnet skarn CSZ Punta del Cobre Formation Volcaniclastic rocks Portezuelo...Khd Alluvium Bandurrias Group (including the Punta del Cobre Formation) Atacama Gravels Chañarcillo...and volcaniclastic rocks of the Early Cretaceous Punta del Cobre Formation (>1,000 m thick; Marschik and |  | Parker, R. L., Stalder, H. A., de Quervain, F., Niggli, E., Graeser, St. (1973) Die Mineralfunde Der Schweiz (2nd ed.) Verlag Wepf & Co., Basel. | Book (edition) | | 3-85977-002-0 Copyright by Wepf & Co., Basel Printed in Switzerland Buchdruckcrci Birkhauser AG, Basel inTIWNRI...Andermatt-Oberalp Ambri- oberstes Maggiatal-Fiesch 2. Untere Leventina und unteres Bleniotal Obrige Schweizer Alpen ...nur im Binnatal, in der mittleren und unteren Leventina und in der Umgebung von Olivone gefunden worden...Goschcncr Alp Alpc Sella Obcralpstock Niederwald Val Cadlimo Pizzo Grandinagia Atome pro 106 Si Li Al , ,I...durchgeflihrt. Dabei konnte er zwei Gruppen verschiedener Calcite (bzw. Karbonate) unterscheiden : 1. Kluftkarbonate |  | | Report (chapter) | | concentration regarding the presence of Ca in carbonates (calcite and dolomite) and phosphates (apatite) are needed...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 |  | | Journal (article/letter/editorial) | | the gravel-coveredhills rise east of the Central Valley toward the high Andes traces of precipitationincrease...hills to the flat valley of Tamarugal at about •,ooo meters. The Tamarugal or Central Valley is continuousthroughout...To the east of theseat the lowestpoints in the valley are found in Tarapaca the salaresor salt and borax...its north-flowingcourse. Farther to the eastthe valley risesgently throughthe great part of its widthto...Here farther to the east in succession come the valley of the upperLoa and the high Andesat the Chilean |  | | Journal (article/letter/editorial) | | which developed a dorsal skeleton composed of calcite sclerites, achieving a world-wide distribution...Gualcamayo Formation (Middle Ordovician) up to the Punta Negra Formation (Lower–Middle Devonian). The succession |  | Placzek, C.J., Matmon, A., Granger, D.E., Quade, J., Niedermann, S. (2010) Evidence for active landscape evolution in the hyperarid Atacama from multiple terrestrial cosmogenic nuclides. Earth and Planetary Science Letters, 295 (1) 12-20 doi:10.1016/j.epsl.2010.03.006 | Journal (article/letter/editorial) | | basins, such as the Salar de Atacama and Salar de Punta Negra, are located east of the Cordillera Domeyko at...source of Ca and S in soil gypsum, anhydrite and calcite in the Atacama Desert, Chile. Geochim. Cosmochim |  | | Report (issue) | | region of northern Chile, which is a 40-km-long valley filled with coarsely crystalline halite to depths...Muerto 7. Salar de Pintados 31. Salar de Punta Negra 8. Salar de Soronal 32. Salar de Aguas Calientes...physiographic units the Coastal Range and Central Valley of northern Chile and the Andean Highlands to the...(Mortimer and Saric 1972, 1975). The Central Valley became largely filled with debris from the uplifted...Quaternary faults, whereas those in the Central Valley formed in depressions resulting from differential |  | | 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) | | © 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed...are: (1) Synechococcus sp.-precipitating gypsum, calcite, and magnesite [25]; (2) isolated bacteria-precipitating...salt flats. Ulexite (NaCaB5 O6 (OH)6 ·5H2 O) and calcite (CaCO3 ) were only found in PAJ. Epsomite (MgSO4...Temperature pH Na+ Mg2+ Ca2+ K+ SiO2 Cl− SO4 2− HCO3 − Calcite SI Gypsum SI Halite SI Opal SI Sepiolite SI Pajonales...was always supersaturated with respect to the calcite (SI > 0.3). These fluids were in equilibrium or |  | | Report (volume) | | ore stage quartz, hydrothermal breccias, bladed calcite, and adularia suggests that boiling occurred during...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 |  | Sial, A.N., Peralta, S., Gaucher, C., Toselli, A.J., Ferreira, V.P., Frei, R., Parada, M.A., Pimentel, M.M., Silva Pereira, Natan (2013) High-resolution stable isotope stratigraphy of the upper Cambrian and Ordovician in the Argentine Precordillera: Carbon isotope excursions and correlations. Gondwana Research, 24 (1) 330-348 doi:10.1016/j.gr.2012.10.014 | Journal (article/letter/editorial) | | 1969), and the Lower Devonian Talacasto and Punta Negra formations (Peralta, 2003). The San Juan Formation...enriched during formation of late-stage ferroan calcite cement (Ripperdan et al., 1992; Derry et al., 1992;...section due to a markedly change in the dolomite/calcite ratio. The difference in the mineral–water fractionation...intervals, but we cannot ignore some influence of the calcite/dolomite mineral–water fractionation factor, enhancing...Ordovician Decorah Formation, Upper Mississipi Valley. Geological Society of America Special Paper 306 |  | | Journal (article/letter/editorial) | | ) Carboniferous undif. Volcan Fm. (Garb.) Punta Negra Fm. (Dev.) Talacasto Fm. (Dev.) Los Espejos...104 pp Schlager W, James NP (1978) Low-magnesian calcite limestones forming at the deep-sea floor, Tongue |
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