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Kirschsteinite from
Angra dos Reis meteorite, Ilha Grande, Angra dos Reis, Rio de Janeiro, Brazil


Locality type:Meteorite Fall Location
Classification
Species:Kirschsteinite
Formula:CaFe2+SiO4
Comments:Kirschsteinite occurs interstitially within olivine aggregates
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Kirschsteinite data
Locality Data:Click here to view Angra dos Reis meteorite, Ilha Grande, Angra dos Reis, Rio de Janeiro, Brazil
Data Identifiers
Mindat Occurrence Record ID:887286
Long-form Identifier:1:3:887286:9
GUID (UUID V4):e1ba7e48-928e-4cb9-bea2-67067430315a
References
Reference Search (possible matching items)
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...metallic Ni-Fe, troilite, as well as magnesian kirschsteinite (Ks62.3Mo37.7), within olivine grains, and
Journal (article/letter/editorial)
Lewis Cliff 86010 angrite as inferred from kirschsteinite lamellae in olivine G. A. McKAY1*, M. MIYAMOT02...angritic meteorite Lewis Cliff (LEW) 86010 contains abundant exsolution lamellae of kirschsteinite. Compositional...the compositional profiles near the olivine/kirschsteinite interface suggest that continuous cooling was...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
Journal (article/letter/editorial)
Ca-rich olivine, except for the type specimen, Angra dos Reis, which is composed almost entirely of Al-Ti...have spectral properties very different from Angra dos Reis. These newly measured angrites all have broad...characteristic of some clinopyroxenes. The spectrum of Angra dos Reis has the characteristic 1 and 2 µm features...et al. 2003). These vestoids link Vesta to the meteorite-delivering 3:1 resonance and could be impact-derived...(Sunshine et al. 2004). Even with these additional meteorite and potential parent asteroids, the number of
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)
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...be attributed to the presence of islands of kirschsteinite in the olivines. The large-ion lithophile trace...abundances in the derivative magma from which the Angra dos Reis clinopyroxene crystallized were estimated from
Journal (article/letter/editorial)
Postfach 417, A-1014 Vienna, Austria CONICET—Dept. de Geologia, Universidad Nacional del Sur, 8000 Bahia...Ti) led to precipitation of Ca-olivine and kirschsteinite (⬃Fo1La20 and ⬃Fo1La33, respectively) and of...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)
[41 Sm-Nd-Pu TIMEPIECES IN THE A N G R A DOS REIS METEORITE G.W. LUGMAIR and K. MARTI Chemistry Department...pyroxene and phosphate mineral separates of Angra dos Reis. A pyroxene-phosphate internal isochron age...system where the Angra dos Reis parent body formed. The exposure age of Angra dos Reis, as obtained by...lSOSm/149Sm in Angra dos Reis by 6 parts in 104. 1. Introduction The unique meteorite Angra dos Reis (ADOR)...[6]. We considered it important to study this meteorite for the following reasons. No reliable internal
Journal (article/letter/editorial)
anorthite. Minor and accessory phases include kirschsteinite, spinel, ulvöspinel, metallic Fe,Ni, troilite...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
Journal (article/letter/editorial)
between the natural mineral cores at the time the meteorite crystallized, and (2) lack of subsequent subsolidus...fractional crystallization. The observed variation of DE”/& withf02 for pyroxene and plagioclase was combined...elements. The original angrite, Angra dos Reis (ADOR), fell in Brazil in 1869. Klaus Keil organized a...a consortium to study this meteorite in detail in the mid-1970s. Studies by members of this consortium...lamellae of kirschsteinite. Based on Ca diffusion profiles in olivine adjacent to kirschsteinite exsolution
Journal (article/letter/editorial)
chromium isotopic studies of the LEW86010 and Angra dos Reis meteorites and the chronology of the angrite...systematics. INTRODUCTION Four angrite meteorites-Angra dos Reis (ADOR), LEW86010, LEW87051, and Asuka 881371...ancient meteorites and made it the subject of the Angra dos Reis Consortium (Keil, 1977). The U-Pb ages, Sm-Nd...contains plagioclase (-32%), olivine (-20%), and kirschsteinite (-3%), as well as minor amounts of troilite...was allocated to the McKay consortium by the Meteorite Working Group. Large fragments were broken with
Journal (article/letter/editorial)
The Netherlands [CLI Rare earth elements in Angra dos Reis and Lewis Cliff 86010, two meteorites with...individual grains of merrillite, fassaite, olivine, kirschsteinite and plagioclase of LEW 86010, the second known...measurements in merrillite and fassaite of Angra dos Reis (ADOR). The rare merrilfite is highly enriched...melt whose composition is close to that of the meteorite bulk composition. The ADOR melt had higher REE...processes. 1. Introduction The A n g r a dos Reis ( A D O R ) meteorite was, until recently, the only k n o
Journal (article/letter/editorial)
crystallization experiments on the Angra dos Reis achondritic meteorite G.E. Lofgren a and A.B. Lanier...clearly have a melt origin the hypothesis that Angra dos Reis (ADOR) itself is a cumulate is being reconsidered...temperature interval before the appearance of kirschsteinite, spinel, and a pyroxferroite-like phase. Alternatively...present in quantities compatible with ADOR and kirschsteinite appears to have been stabilized kinetically...[4] has r e n e w e d i n t e r e s t in A n g r a dos R e i s ( A D O R ) , t h e " t y p e " a n g r i
Journal (article/letter/editorial)
Bunkyo-ku, Tokyo 113-0033, Japan 4 Southwest Meteorite Laboratory, P.O. Box 95, Payson, AZ 85547, USA...differ from those of the other angrites. This meteorite seems to have crystallized from a different source...recently been reported (Jambon et al., 2002). Angra dos Reis is dominated by megacrysts of the clinopyroxene...textures and contain abundant olivine (including kirschsteinite) and anorthite in addition to clinopyroxene...data further emphasize the distinct nature of Angra dos Reis. Crozaz and McKay (1990) carried out detailed
Report (issue)
CaFe2+ SiO4 Kirschsteinite c 2001 ° Mineral Data Publishing, version 1.2 Crystal Data: Orthorhombic...Baikal, eastern Siberia, Russia. In the Angra dos Reis meteorite. Name: For Dr. Egon Kirschstein, German...References: (1) Sahama, T.G. and K. HytÄonen (1957) Kirschsteinite, a natural analogue to synthetic iron monticellite...V.S. Lebedeva (1970) First ¯nd of magnesian kirschsteinite in the USSR. Doklady Acad. Nauk SSSR, 190,
Journal (article/letter/editorial)
2108 crystallization properties of the Angra dos Reis meteorite. This bulk composition is unusual in that...study approximates the composition of the Angra dos Reis meteorite (ADOR) as determined by Mittlefehldt and...gl = glass; sp = spinel; rh = rhonite; kir = kirschsteinite. to suppress the signals of complex molecular...shown in the Ca X-ray map (Fig. 2b). In ADE106, kirschsteinite, merrillite, spinel, and a rhonite-like mineral...highly enriched in incompatible elements. The kirschsteinite has a complex intergrowth of Ca-rich and Ca-poor
Journal (article/letter/editorial)
revisedform August 29, 1990) Abstract-The angrites Angra dos Reis, LEW86010, and LEW87051 are petrologically...angrites have fractionated Ca/Al ratios, with Angra dos Reis exhibiting the most extreme ratio (3.1 X CI)...presence of significant cumulus material. For Angra dos Reis, cumulus material may be the cause of the high...and LEW8705 1 show similar patterns, while Angra dos Reis has both greater enrichments in these elements...in Angra dos Reis remains obscure. The differences between the LEW860 IO-LEW8705 1 duo and Angra dos
Journal (article/letter/editorial)
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...overall match to BoûnÏmcová, we can look at what meteorite classes contain significant amounts of this type...a common phase in meteorites. The only known meteorite group that contains this phase in abundance is...nine angrite meteorites have been identified: Angra dos Reis (Prinz et al. 1977), Asuka-881371 (Yanai 1991)
Journal (article/letter/editorial)
samples, including pairings, as of March 2017; Meteorite Database; http://www.lpi.usra.edu/meteor/) of...(fassaite), and a distinctive Ca-rich olivine (kirschsteinite) (Floss et al. 2003; Burbine et al. 2006).... Surprisingly, the “type specimen,” Angra dos Reis (AdoR), differs from the rest of the group and is...(stepped combustion) of milligram-sized aliquots of meteorite. The samples analyzed, and their sources, are...Because the samples that exhibit these features are meteorite “finds,” it is unclear whether the APB volcanism
Journal (article/letter/editorial)
Sinica, Taipei, Taiwan, ROC 5 Instituto de Ciencias Astronómicas de la Tierra y del Espacio (ICATE) Avenida... were identified from the D'Orbigny angrite meteorite by electron probe microanalysis, electron microscopy...ulvöspinel +Al-Ti-bearing hedenbergite + fayalite-kirschsteinite intergrowth, the formation of tsangpoite and...tsangpoite or plate-like matyhite from the fayalite-kirschsteinite symplectic rim of Fe-sulfide into hedenbergite...Ca-merrillite, were identified from the D'Orbigny angrite meteorite in this study. Angrites are a small group of achondritic
Journal (article/letter/editorial)
supported by NSF grant EAR 76-01146. THE SHAW METEORITE: EVIDENCE FOR AN IGNEOUS ORIGIN J.L. Berkley...Johnson Space Center, Houston, TX 77058 The Shaw meteorite has Lgroup chondritic bulk chemistry and mineralogy...recrystallization, support an igneous origin for the Shaw meteorite. Data are presently insufficient to determine...million years in one fragment of the Dhajala meteorite have been measured. The variation of 54Mn and...indicate that the preatmospheric size of the meteorite was at least about a ton. The activity due to
Report (issue)
Structural and compositional properties of iron meteorite groups ___________ The geochemical behavior of...ABBREVIATIONS The following abbreviations for the meteorite classes are used throughout the tables and elsewhere;...percent) ; all others (<0.01 percent). A list of meteorite minerals is provided, and a tabulation of elemental...minerals are quartz and aluminosilicates; the common meteorite minerals are anhydrous, whereas hydrated minerals...actual extraterrestrial abundances; irons dominate meteorite finds since they are resistant to weathering and
Book
available. ISBN: 978-1-118-79832-4 Cover image: A meteorite on the blue ice of the Miller Range, Antarctica...and Allocation of Samples in the U.S. Antarctic Meteorite Collection Kevin Righter, Cecilia E. Satterwhite...������������������������������������ 131 8 Meteorite Misfits: Fuzzy Clues to Solar System Processes... 10 A Statistical Look at the U.S. Antarctic Meteorite Collection Catherine M. Corrigan, Linda C. Welzenbach...the same time, our roles in the U.S. Antarctic Meteorite program mean we share the goal of preserving and
Journal (article/letter/editorial)
compact group of bodies and form the stable "meteorite swarm" in resonant orbit (Hughes, 1982). A small...from the recent cosmic-ray irradiation of the meteorite; the rest presumably comes from a presolar cosmic-ray...Interstellar amorphous carbon in the Murchison meteorite: Carrier of neon-E(L). Sachiko Amari,' Edward...movement of the ice with some ice dropping into the meteorite concentration zone of the Main Icefield. The majority...of 820 ± 80°C for the eucrite-related LEW86010 meteorite. Estimates of metamorphic temperatures of equilibrated
Book
it, it was just at this time that the Allende meteorite fell and the minerals contained within the so-called...Silliman Chair and being curator of the Yale meteorite collection. In a continuation of Karl’s foray...chemical histories both in the solar nebula and in meteorite parent bodies. It was in CAIs that the great discovery...interstellar medium, in the solar nebula, in meteorite parent bodies, and during atmospheric entry. Each...realization in the early 1970s that there are natural meteorite concentration mechanisms at work there. There
Book
grains (Hoppe et al., 1995) from the Murchison meteorite are compared to astronomical measurements of the...bulk samples of SiC extracted from the Murchison meteorite. Isotopic ratios are relative to the reference...result of isotopic equilibration, either on the meteorite parent body or in the laboratory. Apparently,...circumstellar silicon carbide grains from the Murchison meteorite. Meteoritics 30, 679–693. Amari S., Lewis R. S...interstellar graphite grains from the Murchison meteorite indicate a massive star origin. Astrophys. J.
 
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