Search Results - "Zappettini, Eduardo"

Large geographic and temporal extensions of the Río de la Plata Craton, South America, and its metacratonic eastern margin by Santos, João O.S., Chernicoff, Carlos J., Zappettini, Eduardo O., McNaughton, Neal J., Hartmann, Léo A.

“…Integration of existing isotopic and geological data allows a reconsideration of the distribution and age of the Río de la Plata Craton within South America…”
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Development of tourmaline-bearing lithologies of the peraluminous Tusaquillas composite granitic batholith, NW Argentina; evidence from quartz and tourmaline by Henry, Darrell J, Zappettini, Eduardo O, Dutrow, Barbara L

“…Textural and chemical characteristics of quartz and tourmaline found in tourmaline-rich orbicules, greisens, pegmatites, and tourmalinite segregations…”
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The petrogenesis of back-arc magmas, constrained by zircon O and Hf isotopes, in the Frontal Cordillera and Precordillera, Argentina by Poole, Gregory H., Kemp, Anthony I. S., Hagemann, Steffen G., Fiorentini, Marco L., Jeon, Heejin, Williams, Ian S., Zappettini, Eduardo O., Rubinstein, Nora A.

“…The Andean margin of the South American continent has been magmatically and tectonically active for over 330 million years. It is the type location where…”
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Zircon and Titanite U-Pb SHRIMP dating of unexposed basement units of the Buenos Aires region, southeastern Río de La Plata Craton, Argentina by Chernicoff, Carlos J., Zappettini, Eduardo O., Santos, João O.S., Pesce, Abel, McNaughton, Neal J.

“…We present U-Pb Sensitive High Mass Resolution Ion MicroProbe (SHRIMP) data of unexposed igneous-metamorphic basement rocks from two areas of the southeastern…”
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Mineral chemistry and petrogenesis of the Puesto la Peña undersaturated alkaline potassic complex, Mendoza, Argentina by Zappettini, Eduardo O, Villar, Luisa M, Hernandez, Laura B

“…The late Early Miocene Puesto La Pena alkaline potassic complex, Mendoza, Argentina, is a multiphase intrusion with a large variety of rock types (including…”
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Enigmatic Alluvial Sapphires from the Orosmayo Region, Jujuy Province, Northwest Argentina: Insights into Their Origin from in situ Oxygen Isotopes by Ian T. Graham, Stephen J. Harris, Laure Martin, Angela Lay, Eduardo Zappettini

“…This study sought to investigate in situ oxygen isotopes (δ18O) within alluvial colorless-white to blue sapphires from the Orosmayo region, Jujuy Province, NW…”
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Metallogeny of the Triassic-Jurassic Rift-Related Mineralizations in Argentina by ZAPPETTINI, Eduardo O., CROSTA, Sabrina, RUBINSTEIN, Nora, SEGAL, Susana J.

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Geochemical and isotopic constraints on the petrogenesis of the Puesto La Peña undersaturated potassic complex, Mendoza province, Argentina: Geodynamic implications by Zappettini, Eduardo O., Villar, Luisa M., Hernández, Laura B., Santos, João O.

“…Major and trace element and radiogenic and stable isotope data are reported for the Miocene Puesto La Peña undersaturated potassic complex, located in the…”
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Retrowedge-related Carboniferous units and coeval magmatism in the northwestern Neuquén province, Argentina by Zappettini, Eduardo O., Chernicoff, Carlos J., Santos, Joao O. S., Dalponte, Marcelo, Belousova, Elena, McNaughton, Neal

“…The studied Carboniferous units comprise metasedimentary (Guaraco Norte Formation), pyroclastic (Arroyo del Torreón Formation), and sedimentary (Huaraco…”
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The interplay between magma source and geodynamic evolution in porphyry Cu-Au fertility of the Farallon Negro Volcanic Complex, Argentina by Ince, Madeleine, Hagemann, Steffen, Fiorentini, Marco, Kemp, Anthony, Rubinstein, Nora, Zappettini, Eduardo

“…Zircon U-Pb, O, Lu-Hf and trace element systematics are used to track the magmatic-hydrothermal evolution and metallogenic potential of porphyry intrusions and…”
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Porphyry CU deposits in the Central Andes of Argentina: An overview by Rubinstein, Nora A., Zappettini, Eduardo O., Gómez, Anabel L.R.

“…Porphyry Cu deposits are the world's most important source of Cu and the Central Andes of South America hold some of the largest Cu resources worldwide. In…”
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Combined isotope study of the Ordovician Cerro de los Viejos Granite, La Pampa province, Argentina. Its derivation from the autochthonous, early Mesoproterozoic southwesternmost border of the Río de la Plata craton by Chernicoff, Carlos J., Zappettini, Eduardo O., Santos, João O., McNaughton, Neal

“…We have carried out the zircon U–Pb SHRIMP dating of the Cerro de los Viejos (CLV) Granite of southern La Pampa province, Argentina, which has yielded a…”
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U-Pb geochronology of Martín García, Sola, and Dos Hermanas Islands (Argentina and Uruguay): Unveiling Rhyacian, Statherian, Ectasian, and Stenian of a forgotten area of the Río de la Plata Craton by Santos, João O.S., Chernicoff, Carlos J., Zappettini, Eduardo O., McNaughton, Neal J., Greau, Y.

“…The Río de la Plata Craton is one of the three major cratons of South America. The craton is largely covered by sedimentary basins where its most exposed area…”
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Trace element geochemistry and metasomatic origin of alluvial sapphires from the Orosmayo region, Jujuy Province, northwest Argentina by Harris, Stephen J, Graham, Ian T, Lay, Angela, Powell, William, Belousova, Elena, Zappettini, Eduardo

“…This study primarily sought to investigate the trace element composition of alluvial sapphires from the Orosmayo region, Jujuy Province, northwest Argentina…”
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The southern segment of the Famatinian magmatic arc, La Pampa Province, Argentina by Chernicoff, Carlos J., Zappettini, Eduardo O., Santos, João O.S., Allchurch, Shelley, McNaughton, Neal J.

“…The present study led to the identification of a largely hidden southern segment of the Famatinian magmatic arc in the province of La Pampa, south-central…”
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Identification and isotopic studies of early Cambrian magmatism (El Carancho Igneous Complex) at the boundary between Pampia terrane and the Río de la Plata craton, La Pampa province, Argentina by Chernicoff, Carlos J., Zappettini, Eduardo O., Santos, João O.S., Godeas, Marta C., Belousova, E., McNaughton, Neal J.

“…We have identified late Early Cambrian metaigneous rocks very poorly exposed at the Estancia El Carancho, in central La Pampa province, Argentina. They…”
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Geophysical Evidence for Terrane Boundaries in South-Central Argentina by Chernicoff, Carlos J., Zappettini, Eduardo O.

“…The geological interpretation of high-resolution aeromagnetic data over the La Pampa province, in central Argentina, in addition to lower resolution magnetic…”
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El Corredor Magmático Intracratónico Pérmico-Triásico de la provincia de La Pampa, Argentina: nuevas edades U-Pb SHRIMP, composición isotópica de Hf e implicancias geodinámicas by Chernicoff, Carlos J., Zappettini, Eduardo O., Santos, João O., McNaughton, Neal

“…Se ha realizado un estudio y revisión de las unidades magmáticas que integran el Corredor Magmático Intracratónico Pérmico-Triásico de La Pampa (CMPT-LP),…”
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The belt of metagabbros of La Pampa: Lower Paleozoic back-arc magmatism in south-central Argentina by Chernicoff, Carlos J., Zappettini, Eduardo O., Villar, Luisa M., Chemale, Farid, Hernández, Laura

“…Combined geological, geochronological, geochemical and geophysical studies have led to identification of a large (∼300 km long, ∼5 km wide) N–S trending belt…”
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Geoquímica, dataciones U-Pb SHRIMP sobre circón e isótopos de Hf del magmatismo gondwánico en el NW de Argentina: petrogénesis e implicancias geodinámicas by Poma, Stella, Zappettini, Eduardo O., Quenardelle, Sonia, Santos, Joao O., Koukharsky, †Magdalena, Belousova, Elena, McNaughton, Neal J.

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