 | | 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 |  | 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) | | 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, 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...low-Ca pyroxene to olivine ratio, high kamacite to taenite ratio, and relatively FeO-poor mafic silicates (Fa10...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 |  | | 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; |  | | Journal (article/letter/editorial) | | relationship of the silicates to the kamacite-taenite structure of the metal requires that the metal-silicate...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) | | 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...contain several percent 10- to 40lm-size patches of taenite. Between 30% and 60% of the metal grains are adjacent...abundances of phases in acapulcoites and lodranites Meteorite Section Group No. of points ALH A77081 17 acapulcoite |  | | 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) | | 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 |  | | Journal (article/letter/editorial) | | constrained, the lack of basaltic rocks in the world’s meteorite collections complementary to the lodranites suggests...also measured volatile contents in Acapulco and Lodran to gain insight into the fate of volatiles with...of a sample of Acapulco (8 1.59 mg) and one of Lodran (80.35 mg) were determined using dynamic high-temperature...exceed the escape velocities of asteroidal-sized meteorite parent bodies, and melts will leave the parent...McSween et al., 1978). Partial melting on a meteorite parent body Fig. 1. Transmitted light photomicrographs |  | 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) | | from most previous ones in using untreated bulk meteorite fragments as starting materials, rather than powders...with a small piece of the Canyon Diablo iron meteorite at the target temperature and oxygen fugacity...troilite; and Carmichael(1989) for kamacite and taenite. The densities of the glasses were approximated...merrillite, Chr = chromite, Kam = kamacite, Tae = taenite, Troi = troilite. *Bulk composition of Leedey calculated...experiments utilized untreated fragments of the Leedey meteorite rather than powders or analogue samples. Thus |  | | 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 |  | | 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), |  | | 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 |  | | 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 |  | Ulff-Møller, Finn, Rasmussen, Kaare L., Prinz, Martin, Palme, Herbert, Spettel, Bernhardt, Kallemeyn, Gregory W. (1995) Magmatic activity on the IVA parent body: Evidence from silicate-bearing iron meteorites. Geochimica et Cosmochimica Acta, 59 (22) 4713-4728 doi:10.1016/0016-7037(95)00318-5 | Journal (article/letter/editorial) | | range 1400-1350°C was inferred for the Steinbach meteorite from the estimated distribution coefficient for...Group IVA is the third largest magmatic iron meteorite group, comprising fifty-six known meteorites....most of the meteorites in other magmatic iron meteorite groups, at least four of the group IVA iron mete4713...polished surfaces of Steinbach specimens at the meteorite collections in Paris, Vienna, and Berlin, as well...pockets are evenly distributed throughout the meteorite and are typically 2 - 3 mm across though they |  | | Book | | the study of meteorites and information on key meteorite falls. ISBN-13: 978-1-55407-515-7 (bound).--978-1-55407-833-2... opposite Weighing in at 60 t plus, the Hoba meteorite is the largest |known on Earth. | or the moon...metal and silicate minerals. These different meteorite types are further described in chapter 4. Peebe...on Earth is in the form of tiny dust grains, meteorite: stone, iron and stony- usually less than 1 mm... WHAT ARE METEORITES? LEFT The Peekskill meteorite was witnessed by many people as it partially burned |  | 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 |  | | 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 | | 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 |  | | 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...are exceedingly rare. Remnant, badly corroded taenite and plessite lamella, and comb plessite areas are...inclusions, as grain-boundary schreibersite, as taenite-border schreibersite, and as rhabdites. Large graphite...inaccurate or lacking, we have used data for other meteorite classes, but with allowance for fractionation |  | | Catalog/List | | Tasseq slopes, Ilimaussaq Complex, Narsaq, Kitaa Province, West Greenland This attractive little freeform...EXCEPTIONAL MARIALITE, VAR. WERNERITE Grenville, Quebec Province, Canada Marialite is a member of the Scapolite...SHORTWAVE WERNERITE AND DIOPSIDE Grenville, Quebec Province, Canada Although smaller than the previous lot...Sar-e-Sang Mine, Koksha River Valley, Badakhshan Province, Afghanistan This Lot comprises two specimens...Complex, Villedieu Township, Temiskaming Co., Quebec Province, Canada The Kipawa Complex is an alkaline syenite |  | | 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 |
|
