M.-S. Ma, A. V. Murali, R. A. Schmitt,
... and trace element abundances were determined in seven Angra dos Reis samples including whole rocks, fassaite (clinopyroxene), olivine and ... rare earth element (REE) abundance pattern for the Angra dos Reis clinopyroxene separates shows a concave downward shape with ... abundances in the derivative magma from which the Angra dos Reis clinopyroxene crystallized were estimated from the clinopyroxene data ... degrees of clinopyroxene fractional crystallization to yield the Angra dos Reis derivative magma. Using the trace element abundances in ...
Tópico(s): Planetary Science and Exploration
1977 - Elsevier BV | Earth and Planetary Science Letters
G. J. Wasserburg, F. Tera, D. A. Papanastassiou, J. C. Huneke,
... for total meteorite and mineral separates of the Angra dos Reis achondrite. U-Pb, Th-Pb and Pb-Pb ... total meteorite and for high-purity whitlockite in Angra dos Reis. This establishes Angra dos Reis as an early planetary differentiate which has not ... ago. Measured87Sr/86Sr in pyroxene and whitlockite for Angra dos Reis (ADOR) are distinctly below BABI by two parts ... for the magmatism on the parent planets of Angra dos Reis and the basaltic achondrites (BABI) then the relatively ... between the whitlockite and the fassaitic pyroxene in Angra dos Reis. The enrichment factors demonstrate close analogy between the ...
Tópico(s): Planetary Science and Exploration
1977 - Elsevier BV | Earth and Planetary Science Letters
David W. Mittlefehldt, Marilyn M. Lindstrom,
The angrites Angra dos Reis, LEW86010, and LEW87051 are petrologically and compositionally similar achondrites. All angrites have high FeOMnO ratios of 80–94 ... All angrites have fractionated Ca/Al ratios, with Angra dos Reis exhibiting the most extreme ratio (3.1 × CI). ... by the presence of significant cumulus material. For Angra dos Reis, cumulus material may be the cause of the ... of LEW86010 and LEW87051 show similar patterns, while Angra dos Reis has both greater enrichments in these elements and ... origin of the unusual refractory element pattern in Angra dos Reis remains obscure. The differences between the LEW86010-LEW87051 ...
Tópico(s): Cultural Heritage Materials Analysis
1990 - Elsevier BV | Geochimica et Cosmochimica Acta
O. Eugster, Th. Michel, Samuel Niedermann,
... similar to those observed for the basaltic achondrite Angra dos Reis, until recently the only known angrite. Fission Xe ... age 19 ± 40 Ma younger than that of Angra dos Reis. Thus, LEW86010 formed contemporaneously with Angra dos Reis for which previous analyses yielded a formation age ... gas retention age, a feature observed earlier for Angra dos Reis. LEW87051 shows the lowest nominal U/Th-4He ... reported exposure age of 55.5 Ma for Angra dos Reis. For the radionuclide 81Kr we measured an activity ...
Tópico(s): Geomagnetism and Paleomagnetism Studies
1991 - Elsevier BV | Geochimica et Cosmochimica Acta
Produção Nacional
Revisado por pares
Marcos Barbosa de Souza, Raimundo Wilson de Carvalho, Roberto Nei Martins Machado, Eduardo Dias Wermelinger,
... leishmaniose visceral canina e leishmaniose tegumentar americana em Angra dos Reis, Rio de Janeiro, Brasil. O município de Angra dos Reis apresenta casos humanos de leishmaniose tegumentar americana desde ... Lutzomyia longipalpis no Rio de Janeiro, Ilha Grande, Angra dos Reis. Em agosto de 2002 foi notificado o primeiro caso canino de leishmaniose visceral na Ilha Grande, Angra dos Reis. Inquéritos flebotomínicos realizados nos peridomicílios, no período de ... a maio de 2003, em quatro localidades de Angra dos Reis, resultaram em 12.554 flebotomíneos e a presença ...
Tópico(s): Research on Leishmaniasis Studies
2009 - Entomological Society of Brazil | Revista Brasileira de Entomologia
... systematics in pyroxene and phosphate mineral separates of Angra dos Reis. A pyroxene-phosphate internal isochron age ofT2 = 4. ... the region of the solar system where the Angra dos Reis parent body formed. The exposure age of Angra dos Reis, as obtained by the81Kr-83Kr method is55.5 ± ... to cosmic rays increased the ratio150Sm/149Sm in Angra dos Reis by 6 parts in 104.
Tópico(s): Nuclear Physics and Applications
1977 - Elsevier BV | Earth and Planetary Science Letters
Eugene A. Carver, Anders Edward,
Charged particle tracks were studied in the Angra dos Reis and Moore County meteorites, both of which contain an unexplained excess of He4. A selective annealing method was used to resolve cosmic-ray ... fission-track densities, in units of 106cm−2: Angra dos Reis 1.3–4.4 and 7.8; Moore ... start of track retention were 0.003 for Angra dos Reis and 0.002–0.03 for Moore Co. ... and ≥ 6 km/sec. The etching behavior of Angra dos Reis augite is highly anomalous, giving rise to spurious ...
Tópico(s): Gamma-ray bursts and supernovae
1976 - Elsevier BV | Geochimica et Cosmochimica Acta
C. M. Hohenberg, T. J. Bernatowicz, F. A. Podosek,
... this meteorite and in the first known angrite, Angra dos Reis. Both meteorites are poor in trapped Xe and ... Lewis Cliff 86010 differs somewhat from that in Angra dos Reis, primarily in a lower relative yield of the ... require a complex exposure history for at least Angra dos Reis. The244Pu/REE ratio in Lewis Cliff 86010 is only about half that in Angra dos Reis. This difference probably does not reflect a difference ...
Tópico(s): Geological and Geochemical Analysis
1991 - Elsevier BV | Earth and Planetary Science Letters
Xenon released in stepwise heating of the Angra dos Reis stone is found to be largely cosmogenic (from cosmic ray spallation reactions) and fissiogenic (presumably from the spontaneous fission of 82 million year ... in the eucrites which results chiefly from barium, Angra dos Reis xenon appears to have significant contributions from spallation ... on rare earth targets. A previous report that Angra dos Reis contains fission xenon of a new type is ...
Tópico(s): Atomic and Molecular Physics
1970 - Elsevier BV | Geochimica et Cosmochimica Acta
M. Tatsumoto, R.J. Knight, Claude J. Allègre,
... Pb/(204)Pb = 29.476. The leads of Angra dos Reis, Sioux County, and Nuevo Laredo achondrites are very ... and 4.555 x 10(9) years for Angra dos Reis. When calculated with the uranium decay constants used ... difference of 27 x 10(6) years between Angra dos Reis and the other two meteorites is compatible with ... the initial (87)Sr/(86)Sr ratio of Angra dos Reis and that of seven basaltic achondrites observed by ...
Tópico(s): Isotope Analysis in Ecology
1973 - American Association for the Advancement of Science | Science
C. M. Hohenberg, B. Hudson, B. M. Kennedy, F. A. Podosek,
We have resolved literature Xe data for the Angra dos Reis meteorite into constituent spallation, fission and trapped components. ... the Ba and rare earth spallation Xe compositions. Angra dos Reis spallation Xe compositions are systematically different from those ... the irradiation conditions (geometry and shielding). Thus the Angra dos Reis data appear to be superior to lunar data ...
Tópico(s): Planetary Science and Exploration
1981 - Elsevier BV | Geochimica et Cosmochimica Acta
The preatmospheric mass of Angra dos Reis is estimated to be about 80 kg, based on cosmic ray track densities of 1−3 × 106 cm−2 in ... cooling (>70 K per m.y.) of the Angra dos Reis material 4.55 b.y. ago. This fast ... since that time. If the4He excess found in Angra dos Reis is a real effect, the source of this ...
Tópico(s): Isotope Analysis in Ecology
1977 - Elsevier BV | Earth and Planetary Science Letters
Antônio José Teixeira Guerra, José Fernando Rodrigues Bezerra, Maria do Carmo Oliveira Jorge, Michael A. Fullen,
This paper analyses the geomorphology of Angra dos Reis and Paraty municipalities, Southern Rio de Janeiro State, regarding both environmental and anthropogenic characteristics. Several analytical procedures were adopted. These included bibliographic ... geomorphological units which constitute part of Paraty and Angra dos Reis are the fluvial terraces and fluvio-marine plains, ... and Pereque Acu (Paraty) and Mambucaba and Bracuhy (Angra dos Reis). The presence of four Conservation Units is another ...
Tópico(s): Soil erosion and sediment transport
2013 - UNIVERSIDADE FEDERAL DO AMAZONAS | Revista Geonorte
... the structure of a phosphate from the achondrite Angra dos Reis. In the β-Ca3(PO4)2 structure, there ... unfavorable configuration; natural phosphates with this configuration (including Angra dos Reis) have composition Ca19(Mg,Fe)2(PO4)14. ... substitutions of Na, (Y, RE) or H in Angra dos Reis phosphate implies that these elements were relatively scarce ...
Tópico(s): Chemistry Education and Research
1977 - Elsevier BV | Earth and Planetary Science Letters
T. H. Burbine, T. J. McCoy, J. L. Hinrichs, P. G. Lucey,
... Ca-rich olivine, except for the type specimen, Angra dos Reis, which is composed almost entirely of Al-Ti ... 99555 also have spectral properties very different from Angra dos Reis. These newly measured angrites all have broad absorption ... is characteristic of some clinopyroxenes. The spectrum of Angra dos Reis has the characteristic 1 and 2 μm features ...
Tópico(s): Geology and Paleoclimatology Research
2006 - Wiley | Meteoritics and Planetary Science
Produção Nacional
Revisado por pares
D.A. Azevedo, M.L.S. Simões Gonçalves, Domingos Barbosa da Silva,
Angra dos Reis City, Rio de Janeiro State, Brazil, is an area of environmental interest due to the great tourist activity, mainly nautical. Also, Angra dos Reis is of economic importance based on its oil terminal, harbor, shipyard, and nuclear power plant. For this ...
Tópico(s): Microbial bioremediation and biosurfactants
2007 - Taylor & Francis | Environmental Forensics
José Francisco de Oliveira‐Júnior,
... no Complexo Nuclear Almirante Alvaro Alberto (CNAAA), Angra dos Reis - Rio de Janeiro, foram feitas avaliacoes climatologicas, sazonais, ... the Almirante Alvaro Alberto Nuclear Complex (CNAAA), Angra dos Reis - Rio de Janeiro, climatological evaluations were made during ...
Tópico(s): Tropical and Extratropical Cyclones Research
2009 - Brazilian Society of Geophysics | Brazilian Journal of Geophysics
Produção Nacional
Revisado por pares
Jesús Berrocal, Celia Fernandes, Armingulo Bueno, Key Seixas, Ailton Bassini,
... sequence of microearthquakes occurred in Monsuaba, district of Angra dos Reis, state of Rio de Janeiro, Brazil, 24 km away from the Angra dos Reis nuclear power plant. the activity was recorded initially ...
Tópico(s): Earthquake Detection and Analysis
1993 - Oxford University Press | Geophysical Journal International
O. Eugster, Th. Michel, Samuel Niedermann, Deqi Wang, Wen Yi,
... retention in these chondrites and that of the Angra dos Reis achondrite. We find that the ordinary chondrites started ... retain fission Xe 48 ± 30 Ma earlier than Angra dos Reis; we do not observe systematic differences between H, ...
Tópico(s): Geological and Geochemical Analysis
1993 - Elsevier BV | Geochimica et Cosmochimica Acta
... The results obtained suggest that the report that Angra dos Reis fission xenon differs from that in Pasamonte may ... that unusual spallation xenon yields are expected in Angra dos Reis, which complicates estimation of the fission xenon spectrum. ...
Tópico(s): Radiation Therapy and Dosimetry
1970 - American Geophysical Union | Journal of Geophysical Research Atmospheres
C. C. Schnetzler, J. A. Philpotts,
... exist. The rare-earth and barium concentrations of Angra dos Reis (stone) and its composition (more than 90% augite), ... a cumulate from a normal achondritic liquid; the Angra dos Reis (stone) rare-earth and barium concentrations are surprisingly ...
Tópico(s): High-pressure geophysics and materials
1969 - Springer Nature (Netherlands) | Astrophysics and space science library
Produção Nacional
Revisado por pares
Maria Teresa Menezes de Széchy, Anderson Domenique Faria de Sá,
... epífitas em Sargassum vulgare de uma população de Angra dos Reis, Baia da Ilha Grande, Rio de Janeiro, e ... adultos de S . vulgare da praia das Gordas, Angra dos Reis, foram realizadas em fevereiro, maio, julho e outubro ...
Tópico(s): Coral and Marine Ecosystems Studies
2008 - UNIVERSIDADE FEDERAL DO RIO DE JANEIRO | Oecologia Australis
Andreas Weigel, O. Eugster, Christian Koeberl, U. Krähenbühl,
... differs from those of the other three angrites—Angra dos Reis (55.5 Ma), LEW 86010 (17.6 Ma), ... is contemporaneous with that of the other angrites Angra dos Reis and LEW 86010. For Divnoe the abundance patterns ...
Tópico(s): High-pressure geophysics and materials
1997 - Elsevier BV | Geochimica et Cosmochimica Acta
Robert M. Hazen, L. W. Finger,
The crystal structure of fassaite from the Angra dos Reis meteorite has been determined by least-squares refinement of three-dimensional X-ray data to anR value of 3.3%. The pyroxene is ...
Tópico(s): Geological and Geochemical Analysis
1977 - Elsevier BV | Earth and Planetary Science Letters
Robin Brett, J. S. Huebner, Motoaki Sato,
... an interior bulk sample of the cumulate achondrite, Angra dos Reis. Data clustered between theƒO2-T relationship of the ...
Tópico(s): Geological and Geochemical Analysis
1977 - Elsevier BV | Earth and Planetary Science Letters
... compared with measurements in merrillite and fassaite of Angra dos Reis (ADOR). The rare merrillite is highly enriched in ...
Tópico(s): Geochemistry and Elemental Analysis
1990 - Elsevier BV | Earth and Planetary Science Letters
... clearly have a melt origin the hypothesis that Angra dos Reis (ADOR) itself is a cumulate is being reconsidered. ...
Tópico(s): Geological and Geochemical Analysis
1992 - Elsevier BV | Earth and Planetary Science Letters
G. W. Lugmair, Stephen J.G. Galer,
... together with a reassessment of the type angrite Angra dos Reis (ADOR). The principal objectives of this study are ...
Tópico(s): Mineralogy and Gemology Studies
1992 - Elsevier BV | Geochimica et Cosmochimica Acta
Produção Nacional
Valéria Cid Maia, Jussara Costa de Oliveira,
... Biológica Estadual da Praia do Sul (Ilha Grande, Angra dos Reis, RJ), sendo a maioria foliar (64%). Galhas desenvolvidas ...
Tópico(s): Forest Insect Ecology and Management
2010 - Fundação de Amparo à Pesquisa do Estado de SP | Biota Neopropica/Biota Neotropica
Produção Nacional
Revisado por pares
Flávia O. Marins, Roberto Leonan Morim Novaes, Rosana Moreira da Rocha, Andréa de Oliveira Ribeiro Junqueira,
... not comprehensive and targeted mainly ports and marinas. Angra dos Reis is an excellent system that provides an opportunity ... introduced species only in the port areas of Angra dos Reis reinforces the need for continued, periodic monitoring in ...
Tópico(s): Coral and Marine Ecosystems Studies
2010 - Pensoft Publishers | Zoologia (Curitiba)