 | | Journal (article/letter/editorial) | | SEPTEMBER I 9 7 6 , VOL. 40, PP- 7 2 1 - 3 5 The Lodran meteorite and its relationship to the ureilites R I...Angeles, CA 9oo24 SUMMARY.Lodran is a unique meteorite consisting of roughly equal amounts of metal,...chromite are found. A model for the formation of Lodran includes three steps: Formation of large olivine...ureilites are similar to those in Lodran. In some respects Lodran appears to be a metal-rich ureilite...University meteorite is a mesosiderite and not closely related to Lodran. THE L o d r a n meteorite fell in |  | | Journal (article/letter/editorial) | | Mineralogy of new Antarctic achondrites with affinity to Lodran and a model of their evolution in an asteroid HIROSHI...group of meteorites with an affinity to Lodran (stony-iron meteorite) and their formation processes. This...coarse-grained orthopyroxene (Opx) and olivine as in Lodran and variable amounts of FeNi metal and troilite...etc. MAC88177 has more augite and less FeNi than Lodran; Y74357 has more olivine and contains minor augite;...assemblages do not correspond to those of known meteorite groups (Bell, 1991; Gaffey et al., 1993). Some |  | | Journal (article/letter/editorial) | | Bild and Wasson (1976) suggested that Lodran, the type meteorite of the lodranites, resulted from partial...metallic Fe,Ni as inclusions in silicates and in the meteorite matrix (Herrin et al., 2005), troilite, chromite...strong evidence that the parent lithology of this meteorite clan was chondritic (Fig. 3). Systematic compositional...Icefield 031323 Meteorite Hills 01195** Meteorite Hills 01198** Meteorite Hills 01212** Meteorite Hills 01232**...01232** Meteorite Hills 01244** Miller Range 07582 Monument Draw Northwest Africa 090 Northwest Africa 1617 |  | McCoy, T.J., Keil, K., Clayton, R.N., Mayeda, T.K., Bogard, D.D., Garrison, D.H., Wieler, R. (1997) A petrologic and isotopic study of lodranites: Evidence for early formation as partial melt residues from heterogeneous precursors. Geochimica et Cosmochimica Acta, 61 (3) 623-637 doi:10.1016/s0016-7037(96)00359-6 | Journal (article/letter/editorial) | | lodranites in an attempt to constrain their genesis. Lodran, Gibson, Y-791491, Y-791493, Y-74357, Y-8002, Y-75274...and Wasson ( 1976)) it has been recognized that Lodran is probably the residue of a partially molten region...workers (e.g., Prior, 1916). Based on our criteria, Lodran, Gibson, Yamato 791491, Yamato 791493, Yamato 74357...following thin sections were studied: Gibson, UH 192: Lodran, USNM 481-4; Yamato 791491, 61-2; Yamato 791493...Research; MAC, LEW, and EET = Meteorite Working Group; FRO = European Meteorite Group). Several of the meteorites |  | Palme, H, Schultz, L, Spettel, B, Weber, H.W, Wänke, H, Michel-Levy, M.Christophe, Lorin, J.C (1981) The Acapulco meteorite: Chemistry, mineralogy and irradiation effects. Geochimica et Cosmochimica Acta, 45 (5) 727-752 doi:10.1016/0016-7037(81)90045-4 | Journal (article/letter/editorial) | | The Acapulco meteorite: chemistry, mineralogy and irradiation effects H. PALME.L. SCXULTZ,B. SPETTEL...accepted in revisedform 14 January 1981) Acapulco meteorite fell in August, 1976, at El Quemado, near Acapulco...mineral chemical data indicate formation of the meteorite under AWra&--The redox conditions intermediate...E- and H-chondrites, with some Tfi~ ACAPULCO*meteorite fell on August 11, 1976 at similarities to those...petrographical and minersimilar to Antarctic meteorite Allan Hiifs A 77081. alogicai study (~1s~~~ MICHEL-LEVYand |  | | Journal (article/letter/editorial) | | however, from the oxygen inventory of other meteorite classes (Nagahara and Ozawa 1986; McCoy et al...the conclusion of previous authors that this meteorite clan was generated by complex and diverse processes...(1991). According to the latter authors, the meteorite is composed mainly of orthopyroxene and olivine...accessory phosphates were observed. Dho 125 This meteorite (Dho = Dhofar) was found in Oman on the Arabian...place this very heterogeneous, coarse-grained meteorite into a transitional position (Field et al. 1993; |  | McCoy, Timothy J., Corrigan, Catherine M., Dickinson, Tamara L., Benedix, Gretchen K., Schrader, Devin L., Davidson, Jemma (2019) Grove Mountains (GRV) 020043: Insights into acapulcoite-lodranite genesis from the most primitive member. Geochemistry, 79 (4) 125536 doi:10.1016/j.chemer.2019.125536 | Journal (article/letter/editorial) | | University, Bentley, WA, 6102, Australia d Center for Meteorite Studies, School of Earth and Space Exploration...subsequent overgrowths during metamorphism. Keywords: Meteorite Chondrite Acapulcoite Melting Asteroid Mineralogy...recognition came from anomalous meteorites like Lodran (Bild and Wasson, 1976) and Acapulco (Palme et...recognition of meteorites similar to Acapulco and Lodran, establishment of acapulcoites and lodranites as...(Na) for feldspar; and Fe, Ni and Co metal and schreibersite (P) for Fe,Ni metal. Only stoichiometric silicate |  | | Journal (article/letter/editorial) | | plagioclase with varying amounts of metal, troilite, schreibersite, chromite, ‘clinopyroxene and other accessories...determined for the inclusion applied to the entire meteorite. MAXJN (1967) proposed formation by injecting...1977). Winona is classified as an anomalous stony meteorite (WASSON,1974) though published data show many...Woodbine were obtained by sawing slices of the meteorite l-4 mm thick and breaking the melusions from the...AIUV-Analytlsches Institut, Univ. Vienna; AML-~ American Meteorite Laboratory; NMNH-National Museum of Natural Hlstory |  | | Journal (article/letter/editorial) | | alteredcomposition. Udei Station appearsto be a IAB meteorite even though its FeO/(FeO + MgO) ratio is slightly...slightly above the IAB tield. The highly weathered meteorite Tierra Blanca is closely related to IAB but has...of an incomplete sam- signed to the IAB iron meteorite group, its silicate inclusions are more oxidized...(1977) (201 Nmon and N&en (19681 sizes. The meteorite is heavily weathered and contains veins of hematite/limonite...intermediate between Udei Station (more reduced) and Lodran (more oxidized). No O-isotope data are available |  | Dhaliwal, Jasmeet K., Day, James M.D., Corder, Christopher A., Tait, Kim T., Marti, Kurt, Assayag, Nelly, Cartigny, Pierre, Rumble, Doug, Taylor, Lawrence A. (2017) Early metal-silicate differentiation during planetesimal formation revealed by acapulcoite and lodranite meteorites. Geochimica et Cosmochimica Acta, 216. 115-140 doi:10.1016/j.gca.2017.06.042 | Journal (article/letter/editorial) | | isotopes for Acapulco, Allan Hills (ALHA) 81187, Meteorite Hills (MET) 01195, Northwest Africa (NWA) 2871...isotope ratios of graphite grains in the archetype meteorite, Acapulco, indicate distinct source compositions...several examples of paired meteorites (e.g., Meteorite Hills [MET] 01195 is paired with MET 01198 and...acapulcoites or lodranites, but that are in fact other meteorite types (e.g., ureilite Miller Range 091004; Day...inaccessible. Additionally, among the Antarctic meteorite finds, a large fraction (~60%) of the acapulcoites |  | | Book | | obtain a panorama of the scope and substance of meteorite research. I endeavored to remedy this situation...not exhaustively discussed—the great upsurge in meteorite research along many new lines in recent years...and conservation of meteoritic material. Every meteorite is to some degree unique; and meteorites, unlike...I not been favored bv the curatorship of the meteorite collection of The American Museum of Natural History...Chicago Natural History Museum, the Nininger Meteorite Collection (Arizona State University, Tempe), |  | Mittlefehldt, David W., Lindstrom, Marilyn M., Bogard, Donald D., Garrison, Daniel H., Field, Stephen W. (1996) Acapulco- and Lodran-like achondrites: Petrology, geochemistry, chronology, and origin. Geochimica et Cosmochimica Acta, 60 (5) 867-882 doi:10.1016/0016-7037(95)00423-8 | Journal (article/letter/editorial) | | SSDI 0016-7037(95)00423-S AcapulcoDAVID W. and Lodran-like achondrites: Petrology, chronology, and origin...but Acapulco-like), and LEW 88280 and MAC 88 177 (Lodran-like) . We have also performed 39Ar- 40Ar chronology...low temperature Fe-Ni-S melt. In contrast, the Lodran-like achondrites are depleted in the highly incompatible...are consistent with a model for formation of the Lodran-like achondrites as partial melting residues. However...However, the low lr/Ni and high Se/Co ratios in two Lodran-like achondrites suggest the metal + troilite in |  | | Journal (article/letter/editorial) | | processes have been invoked previously for other meteorite groups. Rubin (2004) studied 210 equilibrated...1 Thin sections examined in the current study Meteorite Sections Classification Shock stage ALH A77081...extinction indicative of shock-stage S5. The meteorite contains several fine-grained metal–troilite assemblages...abundances of phases in acapulcoites and lodranites Meteorite Section Group No. of points ALH A77081 17 acapulcoite...100.0 85.5 5.8 0.0 4.9 0.7 0.1 0.0 3.0 100.0 Meteorite Section Group No. of points Silicate Kamacite |  | | Journal (article/letter/editorial) | | ' In spite of numerous historical records of meteorite falls, a century of scientific scepticism about...in meteorites. White inclusions of the Allende meteorite carry the melilite, spinel, diopside, and perovskite...with 27A1/24Mg in anorthite from the Allende meteorite (Lee et al., I977a , b); Hutcheon et al., I977;...carbonaceous chondrites; however, mixtures of several meteorite types are more plausible than just a single type...12; normalized to log H = 12; log atomic, b. CI meteorite; log atomic normalized to log Mg + log Si = 15 |  | | Journal (article/letter/editorial) | | where R = crate ring rate, m = moon, and p = meteorite parent body. In terms of this relation, the above...cometary origin can be ruled out for all stony meteorite classes that have gas-rich members. This includes...crystal from the Murchison meteorite. A REINVESTIGATION OF THE LODRAN METEORITE Richard W. Bild, John T...University of California Los Angeles, CA 90024. The Lodran meteorite was described by Tschermak. He reported a...bodies that might be plagioclase. zahringer found Lodran to be rich in planetary-type rare gases. The roughly |  | | Journal (article/letter/editorial) | | 44, 1161. Huss et al., 1981. G.C.A. 45, 33. METEORITE CONCENTRATIONS IN ANTARCTICA - HOW COMPLETE IS...have been proposed to explain the phenomena of meteorite accumulations on blue ice fields. Model I, suggested...pictorially by Yanai, is a general picture relating meteorite fall and accumulation to the entire Antarctic...Nagata-Yanai model assumes a steady state balance in the meteorite concentration zone between emergent ice gain and...numbers of specimens found and the old terrestrial meteorite ages. The Whillans-Cassidy model assumes a steady |  | | Book | | discuss recent evidence from the “84001 Martian meteorite,” which has raised provocative new questions...Wainwright at Gerzeh in Egypt. tions observed meteorite falls, collected the debris and wrote accounts...accounts of the events. The oldest known record of a meteorite fall comes from around 4000 years ago in Phrygia...Roman historian Titius Livius, the celebrated meteorite at Phrygia was later transported in royal procession...earliest names for meteoritic iron. The word meteorite comes from the ancient Greek meteoros, meaning |  | | Journal (article/letter/editorial) | | Saudi Arabia, iron meteorite is a 275 kg Severely weathered remnant of an ancient meteorite fall. It was found...sufficient information for classification. The meteorite landed as a carbon-rich octahedrite, undoubtedly...observed. The troilite is surrounded by remnant schreibersite, followed by cohenite. Black areas of cohenite...occasional well preserved cohenite is present. Schreibersite occurs in association with cohenite or cohenite...inclusions, as grain-boundary schreibersite, as taenite-border schreibersite, and as rhabdites. Large graphite |  | | 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 |  | | Book | | 2. Lunar geology. 3. Planets — Surfaces. 4. Meteorite craters. I. Title. QB501.K56 550'.999 75-45357...at Mecca. This stone is widely reputed to be a meteorite and even thought to be the oldest preserved fragment...Jefferson was quoted in reference to a report of a meteorite fall; “. . .It may be very difficult to explain...of modes of meteorite origin, and possible genetic relations between different meteorite types. More... Paris Museum of Natural History, Center for Meteorite Studies of Arizona State University, Harvard and |  | | 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. | | | 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....interstellar graphite grains from the Murchison meteorite indicate a massive star origin. Astrophys. J. |
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