Search Results - "Luvizotto, George L"

On the occurrence and boron isotopic composition of tourmaline in (ultra)high-pressure metamorphic rocks by Marschall, Horst R, Korsakov, Andrey V, Luvizotto, George L, Nasdala, Lutz, Ludwig, Thomas

“…The extensive P-T stability and the high chemical variability of tourmaline (Tur) together with its common occurrence in metasediments proves its high…”
Get full text

Testing Trace-Element Distribution and the Zr-Based Thermometry of Accessory Rutile from Chromitite by Federica Zaccarini, Giorgio Garuti, George L. Luvizotto, Yuri de Melo Portella, Athokpam K. Singh

“…Trace element distribution and Zr-in-rutile temperature have been investigated in accessory rutile from stratiform (UG2, Merensky Reef, Jacurici), podiform…”
Get full text

Using two-pyroxene mafic granulites to reconstruct ultra-high temperatures and the retrograde P–T path of metamorphism in the Socorro-Guaxupé Nappe (Southern Brasília Orogen, SE Brazil) by Silva, Otavio Sant’ Anna G., Luvizotto, George L., Fumes, Regiane A., Moraes, Renato, Junior, George W. Clemence, de Oliveira, Marcos Aurelio F.

“…In the southernmost part of the Southern Brasília Orogen (SE Brazil), regional ultra-high temperature metamorphism has been reported mainly in garnet-bearing…”
Get full text

The potential for using metagreywacke to study metamorphism of amphibolite facies conditions: a comparison study within the Luminárias Nappe, Southern Brasília Orogen (Southeastern Brazil) by Fumes, Regiane A., Luvizotto, George L., Moraes, Renato, Patto, Lara A.

“…Metagreywacke is a very common rock type in orogenic settings. It occurs in several domains within the Neoproterozoic Southern Brasília Orogen, that registers…”
Get full text

A statistical-based reach scale classification for the lower Tapajós river channel, eastern Amazonia by De Cortes, João Paulo S, de Fraga, Rafael, Pupim, Fabiano N, Luvizotto, George L

“…The Tapajós river is among the largest rivers in the world and has been credited as the main affluent of the lower Amazon River. Geomorphological studies in…”
Get full text

Denudation history of the Great Escarpment in the southwestern flank of the Angola (Bié) Dome, Africa by Silva, Bruno V., Souza, Daniel H., Hiruma, Silvio T., Siqueira-Ribeiro, Marli C., Luvizotto, George L., Glasmacher, Ulrich A., Hackspacher, Peter C.

“…The origin of the topography and relief of southern Africa has been the subject of intense debate. The landscape is characterized by a high, low-relief inland…”
Get full text

Geophysical modeling of the manganese deposit for Induced Polarization method in Itapira (Brazil) by Vieira, Leandro B., Moreira, César A., Côrtes, Ariane R. P., Luvizotto, George L.

“…This paper presents the results of the investigation of a supergene manganese occurrence in the southeast of Brazil, using the Induced Polarization geophysical…”
Get full text

The Cedrolina Chromitite, Goiás State, Brazil: A Metamorphic Puzzle by Yuri de Melo Portella, Federica Zaccarini, George L. Luvizotto, Giorgio Garuti, Ronald J. Bakker, Nelson Angeli, Oskar Thalhammer

“…The Cedrolina chromitite body (Goiás-Brazil) is concordantly emplaced within talc-chlorite schists that correspond to the poly-metamorphic product of…”
Get full text

In situ U–Pb rutile dating by LA-ICP-MS: 208Pb correction and prospects for geological applications by Zack, Thomas, Stockli, Daniel F., Luvizotto, George L., Barth, Matthias G., Belousova, Elena, Wolfe, Melissa R., Hinton, Richard W.

“…Rutile is a common accessory mineral that occurs in a wide spectrum of metamorphic rocks, such as in blueschists, eclogites, and granulites and as one of the…”
Get full text

The Early Paleozoic sedimentary record in northeastern Brazil: Unravelling the sedimentary provenance and evolution of fluvial systems after the Western Gondwana assembly by Cerri, Rodrigo I., Warren, Lucas V., Luvizotto, George L., Spencer, Christopher J., Assine, Mario L.

“…[Display omitted] •Multi-proxy approach propose an unprecedented model of sedimentary evolution.•Northeastern Brazil basal sedimentary successions yielded…”
Get full text

Pressure-Temperature-time paths from metapelites reveal Neoproterozoic continental crust underthrusting related to the West Gondwana amalgamation by Westin, Alice, Tedeschi, Mahyra, Campos Neto, Mario C., Luvizotto, George L., Motta, Rafael G., Nobre, Augusto G., Ando, Rômulo A.

“…In this contribution, we employed a petrochronological approach to investigate the tectonometamorphic evolution of Al-rich garnet-staurolite and…”
Get full text

In situ U-Pb rutile dating by LA-ICP-MS: Pb-208 correction and prospects for geological applications by Zack, Thomas, Stockli, D. F., Luvizotto, G. L., Barth, M. G., Belousova, E., Wolfe, M. R., Hinton, R. W.

“…Rutile is a common accessory mineral that occurs in a wide spectrum of metamorphic rocks, such as in blueschists, eclogites, and granulites and as one of the…”
Get full text

Using detrital zircon and rutile to constrain sedimentary provenance of Early Paleozoic fluvial systems of the Araripe Basin, Western Gondwana by Cerri, Rodrigo I., Warren, Lucas V., Spencer, Christopher J., Varejão, Filipe G., Promenzio, Paloma, Luvizotto, George L., Assine, Mario L.

“…The Early Paleozoic of the NE Brazilian sedimentary basins are key to understanding the primeval depositional environments and paleogeography of Western…”
Get full text

Characterization of the inverted metamorphic gradient of the Passos Nappe (SE-Brazil) based on multiple geothermobarometers by Simões, Luiz S.A., Silva, Otavio S.G., Fumes, Regiane A., Luvizotto, George L.

“…Inverted metamorphic gradients are recognized in several Proterozoic to Phanerozoic orogens. However, the mechanisms that are responsible for the formation of…”
Get full text

Unraveling the origin of the Parnaíba Basin: Testing the rift to sag hypothesis using a multi-proxy provenance analysis by Cerri, Rodrigo I., Warren, Lucas V., Varejão, Filipe G., Marconato, André, Luvizotto, George L., Assine, Mario L.

“…Syneclises are long-lived sedimentary basins characterized by complex subsidence and erosion histories. The premise that these geotectonic units evolve from…”
Get full text

Metamorphism of retroeclogites from the Passos Nappe, Southern Brasília Orogen by Santos, Caio A., Luvizotto, George L., Moraes, Renato, Fumes, Regiane A., Zack, Thomas

“…High-pressure metamafic rocks from the Passos Nappe, Southern Brasília Orogen, have been traditionally interpreted as highly retrogressed eclogites, even…”
Get full text

P-T evolution of metasedimentary rocks of the Santa Filomena Complex, Riacho do Pontal Orogen, Borborema Province (NE Brazil): Geothermobarometry and metamorphic modelling by Santos, Felipe H., Amaral, Wagner S., Luvizotto, George L., Martins de Sousa, Daniel F.

“…We present in this paper petrologic data and discuss the pressure-temperature (P-T) metamorphic history of the neoproterozoic metasedimentary rocks of the…”
Get full text

U Pb zircon ages and metamorphic conditions of mafic granulites from the basement of the southern Brasilia Orogen, Campinas-SP region by Amaral, Wagner S., Santos, Felipe H., Bravo, Jozias C.S., Fedel, Henrique S., Luvizotto, George L., Godoy, Daniel F.

Get full text

UPb zircon ages and metamorphic conditions of mafic granulites from the basement of the southern Brasilia Orogen, Campinas-SP region by Amaral, Wagner S., Santos, Felipe H., Bravo, Jozias C.S., Fedel, Henrique S., Luvizotto, George L., Godoy, Daniel F.

“…In the southern Brasília Orogen, slices of an intensively reworked Paleoproterozoic basement occur. These are partially covered by a Neoproterozoic sequence of…”
Get full text

In situ U-Pb rutile dating by LA-ICP-MS: ^sup 208^Pb correction and prospects for geological applications by Zack, Thomas, Stockli, Daniel F, Luvizotto, George L, Barth, Matthias G, Belousova, Elena, Wolfe, Melissa R, Hinton, Richard W

“…Rutile is a common accessory mineral that occurs in a wide spectrum of metamorphic rocks, such as in blueschists, eclogites, and granulites and as one of the…”
Get full text