 | Prinz, M., Keil, K., Hlava, P.F., Berkley, J.L., Gomes, C.B., Curvello, W.S. (1977) Studies of Brazilian meteorites. Earth and Planetary Science Letters, 35 (2) 317-330 doi:10.1016/0012-821x(77)90134-0 | Journal (article/letter/editorial) | | R I T E S , III. ORIGIN AND HISTORY OF THE ANGRA DOS REIS ACHONDRITE M. P R I N Z Department of Mineral...87131 (USA} C.B. G O M E S Instituto de Geociencias, Universidade de Sao Paulo, Sao Paulo (Brasil) and W...W.S. C U R V E L L O Museu Nacional, Rio de Janeiro (Brasil) Received November 12, 1976 Revised version...version received March 14, 1977 The Angra dos Reis meteorite fell in 1869 and is a unique achondrite. It...7Ab 1.7Or0.4) which are phases reported in a meteorite for the first time, and plagioclase (An86.0), |  | | Book | | 523.5'1'0981 ISBN 0-8263-0543-1 2. Meteorites—Brazil. II. Title. 80-5333 © 1980 by the University of...recognize a meteorite. Brazilian stone meteorites. 7.1. ACHONDRITES . 7.1.1. Fassaite achondrite. Angra dos Reis...Reis . 7.1.2. Augite-olivine achondrite . Governador Valadares. 7.1.3. Monomict pigeonite-plagioclase...e achondrites . . . Ibitira. Serra de Mage.:. 7.2. CHONDRITES. 7.2.1. H-group chondrites. Avanhandava.... Itapicuru Mirim . Macau. Marflia. Sao Jose do Rio Preto. Sete Lagoas. Uberaba. 7.2.2. L-group chondrites |  | | Journal (article/letter/editorial) | | Printedin Great Brltam Nuclear tracks in the Angra dos Reis and Moore County meteorites EUGENE A. CARVER*...Abstract-Charged particle tracks were studied in the Angra dos Reis and Moore County meteorites, both of which...fission-track densities, in units of 106cm-‘: Angra dos Reis 1.3-4.4 and 7.8; Moore Co. feldspar 1.9-3.0...the start of track retention were 0.003 for Angra dos Reis and 0.002-0.03 for Moore Co. No evidence was...and 26 km/set. The etching behavior of Angra dos Reis augite is highly anomalous, giving rise to spurious |  | ABDU, Yassir A., SCORZELLI, Rosa B., VARELA, Maria E., KURAT, Gero, AZEVEDO, Izabel de Souza, STEWART, Silvana J., HAWTHORNE, Frank C. (2009) Druse clinopyroxene in D'Orbigny angritic meteorite studied by single-crystal X-ray diffraction, electron microprobe analysis, and Mössbauer spectroscopy. Meteoritics & Planetary Science, 44 (4) 581-587 doi:10.1111/j.1945-5100.2009.tb00753.x | Journal (article/letter/editorial) | | org Druse clinopyroxene in D’Orbigny angritic meteorite studied by single-crystal X-ray diffraction, electron...SCORZELLI2, Maria E. VARELA3, Gero KURAT4, Izabel de Souza AZEVEDO2, Silvana J. STEWART5, and Frank C...Brasileiro de Pesquisas Físicas, Rua Xavier Sigaud 150, 22290-180 Rio de Janeiro, Brazil 3Complejo Astronómico...5IFLP, CONICET, Depto. De Física, Facultad de Cs. Exactas, Universidad Nacional de La Plata, Argentina *Corresponding...D’Orbigny. INTRODUCTION D’Orbigny is an angrite meteorite found in the Buenos Aires province of Argentina |  | | Journal (article/letter/editorial) | | CRYSTAL STRUCTURE AND COMPOSITIONAL VARIATION OF ANGRA DOS REIS FASSAITE ROBERT M. HAZEN and LARRY W. FINGER...crystal structure of fassaite from the Angra dos Reis meteorite has been determined by least-squares refinement...principal modal component (over 90%) of the Angra dos Reis (ADOR) achondrite. The present study was designed...] and a titaniferous variety from the Allende meteorite by Dowty and Clark [2]. 2. Experimental A single...fassaite from the Angra dos Reis achondrite Electron microprobe analyses of Angra dos Reis fassaite Space |  | | Journal (article/letter/editorial) | | variable from meteorite to meteorite and sometimes also show large variations in the same meteorite. A clinopyroxene...that these elements were fractionated during the meteorite formation. Fission tracks in meteorites are due...was present in the solar system at the time of meteorite formation, is geochemically linked to both U and...meteorites (Allende and two basaltic achondrites, Angra dos Reis and Juvinas). This prompted these authors to...phases (diopside, albite and enstatite) of the meteorite Toluca, found a decrease in the track excess with |  | | Journal (article/letter/editorial) | | R A DOS REIS: PLUTONIUM DISTRIBUTION AND COOLING HISTORY D. ST()RZER and P. PELLAS Laboratoire de Min~ralogie...January 3, 1977 The preatmospheric mass of Angra dos Reis is estimated to be about 80 kg, based on cosmic...instantaneous cooling (>70 K per m.y.) of the Angra dos Reis material 4.55 b.y. ago. This fast cooling is...since that time. If the 4He excess found in Angra dos Reis is a real effect, the source of this excess...studies o f the charged particle track record in Angra dos Reis (ADOR) pyroxenes provided conflicting results |  | Kurat, G., Varela, M.E., Brandstätter, F., Weckwerth, G., Clayton, R.N., Weber, H.W., Schultz, L., Wäsch, E., Nazarov, M.A. (2004) D’Orbigny: A non-igneous angritic achondrite?. Geochimica et Cosmochimica Acta, 68 (8) 1901-1921 doi:10.1016/j.gca.2003.10.016 | Journal (article/letter/editorial) | | Postfach 417, A-1014 Vienna, Austria CONICET—Dept. de Geologia, Universidad Nacional del Sur, 8000 Bahia...thus forming augite druses. Also, some of the preexisting olivine was converted into augite, which is very...metasomatic granoblastic rocks (LEW 86010, Angra dos Reis?) and aggregates (D’Orbigny). In addition,...chondrites. U-Pb, Th-Pb and Pb-Pb ages for Angra dos Reis and LEW 86010 are between 4.54 and 4.5578 Ga...and Marti, 1977 —Angra dos Reis), 4.56 Ga (Jacobsen and Wasserburg, 1984 —Angra dos Reis) and 4.55 and 4 |  | | Journal (article/letter/editorial) | | 1998 April 21) Abstract-Olivine in the angritic meteorite Lewis Cliff (LEW) 86010 contains abundant exsolution...1994). The group consists of Angra Dos Reis (ADOR), which fell in Brazil in 1869 and was described by...display a wide range of thermal histories. Angra Dos Reis lies at one extreme. Olivines and pyroxenes...Miyamoto and Takeda (1994), who used growth of augite lamella in pyroxene to study the cooling history...were allocated from LEW 86010 by the Antarctic Meteorite Working Group and supplied by L. Nyquist at the |  | | Journal (article/letter/editorial) | | empirically either, because with one exception (Angra dos Reis f a s s a i t e - see below), clinopyroxene...titanian fassaite from the Angra dos Reis meteorite; and an iron-rich augite from lunar mare basalt 15555...ascertained from cleavage, or in the case of Angra dos Reis, by X-ray precession photography. All these...for terrestrial titanaugite, pure pinkish for Angra dos Reis, and orange-red for the lunar pyroxene. These...measurements on the titanian pyroxene from Angra dos Reis in a number of orientations which are in principle |  | | Journal (article/letter/editorial) | | geothermal temperature field [1-4]. Cooling rates of meteorite parent bodies have been estimated from the study...hypersthene, olivine and augite from the meteorites Johnstown, Eagle Station and Angra dos Reis respectively. Fossil... The predominantly fission tracks in augite from Angra dos Reis [25,26] were revealed by etching them...for fission tracks in pyroxene (augite) from the meteorite Angra dos Reis. Statistical errors of individual...Annealing field for olivine from the Eagle Station meteorite. Other details are the same as in Fig. 1. for |  | | Book | | America 123 Rogelio Daniel Acevedo Centro Austral de Investigaciones Científicas Tierra del Fuego Argentina...Argentina Víctor Manuel García Centro Austral de Investigaciones Científicas Tierra del Fuego Argentina...the Centro Austral de Investigaciones Científicas (CADIC) and the Consejo Nacional de Investigaciones Científicas.... . . . . . . . . . . . . . . . . . 35 37 4 Brazil. . . . . . . . . . . . . . . . . . . . . . . ....to reach to the Earth’s surface it is called a meteorite. So meteorites are small solid masses coming from |  | | Journal (article/letter/editorial) | | Netherlands [41 G E N E S I S O F T H E A N G R A DOS R E I S A N D O T H E R A C H O N D R I T I C M E...element abundances were determined in seven Angra dos Reis samples including whole rocks, fassaite (clinopyroxene)...earth element (REE) abundance pattern for the Angra dos Reis clinopyroxene separates shows a concave downward...abundances in the derivative magma from which the Angra dos Reis clinopyroxene crystallized were estimated from...clinopyroxene fractional crystallization to yield the Angra dos Reis derivative magma. Using the trace element abundances |  | Shestopalov, D.I., Golubeva, L.F., McFadden, L.A., Fornasier, S., Taran, M.N. (2010) Titanium-bearing pyroxenes of some E asteroids: Coexisting of igneous and hydrated rocks. Planetary and Space Science, 58 (10) 1400-1403 doi:10.1016/j.pss.2010.06.012 | Journal (article/letter/editorial) | | Center, Greenbelt, MD 20771, USA c LESIA, Observatoire de Paris, 5 Place Jules Janssen, F-92195 Meudon Principal...Gaffey and Kelley, 2004) – are the most obvious meteorite analog of E-asteroid material. The first idea was...a spectrum of titanium-bearing ( 6 wt%) lunar augite (Abu-Eid, 1976). The bands of separate Ti3 + (M1)...in a spectrum of Ti fassaite from the Allende meteorite (Dowty and Clark, 1973; Sterns et al., 1982)....in a spectrum of Ti fassaite from the Angra dos Reis meteorite (Sterns et al., 1982; Mao et al., 1977) |  | | Journal (article/letter/editorial) | | an angrite, the type meteorite that fell into the Bay of Angra dos Reis, Brazil, at about 5:00 a.m. in...by the ADORABLES (1976), the members of the Angra dos Reis Consortium, of the only angrite known at the...fall had been observed by a local judge and the meteorite weighing ∼1500 g was recovered by a diver from...Plutonic angrites Date of fall/find Location Angra dos Reis (stone)a LEW 86010 NWA 2999b NWA 3158b NWA...2006 2007 2007 2007 2010 2006 2007 Bay of Angra dos Reis, Brazil Lewis Cliff, Antarctica Morocco or Algeria |  | | Report (issue) | | \hornblende," biotite (Mt. Shaheru, Congo); titanian augite, wollastonite, melilite, garnet, calcite, cuspidine...Baikal, eastern Siberia, Russia. In the Angra dos Reis meteorite. Name: For Dr. Egon Kirschstein, German |  | Cloutis, Edward A., Binzel, Richard P., Burbine, Thomas H., Gaffey, Michael J., McCoy, Timothy J. (2006) Asteroid 3628 Božněmcová: Covered with angrite-like basalts?. Meteoritics & Planetary Science, 41 (8) 1147-1161 doi:10.1111/j.1945-5100.2006.tb00512.x | Journal (article/letter/editorial) | | longer wavelengths, and a new link to clinopyroxene (augite) was suggested (Burbine 2000; Binzel et al. 2001)...plausible meteorite and mineral analogues, in order to better constrain its mineralogy, meteorite affinities...inferred surface mineralogy is represented in the meteorite collection. The analysis is based on the positions...(Adams 1974), broadly consistent with the link to augite made by Burbine (2000). Type A clinopyroxene spectra...overall match to BoûnÏmcová, we can look at what meteorite classes contain significant amounts of this type |  | | Journal (article/letter/editorial) | | Ray Exposure Age and Time of Formation of a New Meteorite, Dhofar 007 Achondrite from Oman: A Rock Fragment...noble gases was investigated in the Dhofar 007 meteorite. Petrographic and mineralogical observations suggested...of radiogenic argon during the history of the meteorite, most likely related to impact metamorphic events...E. Two double-polished thin sections of this meteorite, ~2 cm2 and ~6 mm2 in area, were examined under...Yamaguchi et al., 2003) showed that the Dhofar 007 meteorite from Oman belongs to the achondrite class and |  | | Journal (article/letter/editorial) | | matrix is less radiogenic than that of the whole meteorite, whereas lead in Ca- and Al-rich chondrules and...might correspond to the agglomeration age of the meteorite and a time of probably later disturbance, respectively...inclusions is similar to the initial ratio of the Angra dos Reis achondrite (PAPANASTASSIOU, Thesis, 1970)...in the type III carbonaceous chondrite, Pueblito de Allende. (e.g. LORD, 1965; LARIMER, 1967; LARIMER...represent the and verified PATTERSON’S (1955) meteorite age. Fur- early condensates of the cooling solar |  | | Journal (article/letter/editorial) | | Ito 1950 edge: finite clusters; face: Newnham & de Haan 1962 isolated clusters edge: infinite AlrA12;...Burnham et al 1971 substitutional blocking by augite M-M cluster) edge: infinite All-All by orthopyroxenes...orthopyroxene Clark et 3.15 same as augite Dowty & = 3.13 same as augite Hazen & Finger = 2.90 similar...Clark 1973a Ca(Mg,Ti3 + ,Ti4+ ,AI) (Si,Alh06 Angra dos Reis fassaite (Ca,Fe2+)(Fe2+ ,Ti4+ ,Mg,Al) (Si,AI)... Goldman & Rossman 1977a, Annersten et al1978 augite 13,000: FeM -+ Fe�i MIS detects Fe2 + and Fe3 |  | | Journal (article/letter/editorial) | | Mineralogical and chemical characteristics of this meteorite have been described by Wilkening and Anders (1975)...transformation of pigeonite to orthopyroxene and augite and very limited variations in MglFe and Ca/Fe...Ibitira suggests formation -5 Ma prior to the Angra dos Reis (ADOR) achondrite (Prinzhofer et al., 1992;...disturbance anticorrelates with the time period between meteorite formation and the event disturbance. In discussing...Wasserburg G. J. ( 1985) U-Th-Pb isotopic studies on meteorite ALHA 81005 and Ibitira. Lunar Planet. Sci. XVI |  | | Journal (article/letter/editorial) | | abundance Sample no. 47 omphacite 20 augite 30 aegirine 13 diopside'17 augite 16 diopside 7 diopside 32 enstatite...diopside 40 diopside 1 spodumene 3 diopside 9 augite 46 augite 6 diopside 37 enstatite 45 aegirine 5 diopside...enstatite 12 diopside-8 aeg.-aug. 10 diopside 51 augite 19 enstatite 28 diopside 2 diopside 38 enstatite...Norway Magnet Cove, AR Obersulzbach,Austria Juan de Fuca Ridge Kyogle, Australia Vesuvius, ltaly Rajasthan...Cove, AR Angra dos Reis meteorite synthetic Harroult, Ontario Oka, Quebec Waldo Mine,NM Rio Marine, Elba |  | | Journal (article/letter/editorial) | | Nous décrivons un échantillon de diopside violacé provenant du sud de l’île de Baffin, au Nunavut, dans l’Arctique...l’Arctique canadien, prélevé d’une lentille de calc-silicates et associé à marialite, pargasite, phlogopite...massifs de grains équidimensionnels. Un plan de séparation (001) est évident, mais les plans de clivage...clivage sont subtiles. Les indices de réfraction sont n␣ 1.670(1), n 1.675(1), et n␥ 1.695(1), avec 2VZ égal...n’y a aucun pléochroïsme. La densité calculée est de 3.30 g/cm3. Les paramètres réticulaires ont été déterminés |  | | Journal (article/letter/editorial) | | due to late thermal disturbance during later meteorite bombardment event(s). We focused on the study...estimate of the 146Sm/144Sm ratio at the time of meteorite formation. These results will be compared to previous...diogenite. Cumulate eucrites are mainly composed of augite and plagioclase, with minor phases that include...mesosiderites, angrites, and one study of the meteorite Acapulco. For that reason, results of these studies...or a largely under-constrained regression (Angra dos Reis, Nyquist et al., 1994). Samples considered |  | | Journal (article/letter/editorial) | | mesosiderite; as well as on Acapulco, an unclassified meteorite with chondritic chemical composition and a highly...there is a new report on the Sm-Nd system in this meteorite (BROUXELand TATSUMOTO,1991 f. ~ETR~~PHY fbitira...fbitira Ibitira is a eucrite which fell in Brazil in 1957. It is composed of pyroxene (60%) and plagioclase...Mg43Fe53C&)showing exsolution lamellae of high-Ca pyroxene (augite, Mg34Fe26Ca40). Rare, apparently homogeneous pigeonite...rate of mesosiderites. Acapulco The Acapulco meteorite, which fell in 1976, has been extensively described |
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