 | | Journal (article/letter/editorial) | | (2006) http://meteoritics.org The Benguerir meteorite: Report and description of a new Moroccan fall...revision accepted 03 January 2006) Abstract–A meteorite fall was witnessed on November 22, 2004, at 11:45...near the city of Benguerir, Morocco. This is one of the first falls from Morocco to be scientifically described...INTRODUCTION Over the last decade, numerous meteorite finds in Morocco have given rise to a problem of nomenclature...identification. Many meteorite falls in Morocco, including the two most recent ones, Bensour (Russell et al |  | Gattacceca, J., Suavet, C., Rochette, P., Weiss, B. P., Winklhofer, M., Uehara, M., Friedrich, Jon M. (2014) Metal phases in ordinary chondrites: Magnetic hysteresis properties and implications for thermal history. Meteoritics & Planetary Science, 49 (4) 652-676 doi:10.1111/maps.12268 | Journal (article/letter/editorial) | | individual meteorites while homogeneous among meteorite subsamples. Except for the most primitive chondrites...kamacite that dominates the induced magnetism and tetrataenite (both in the cloudy zone as single-domain grains...Types 5 and 6 ordinary chondrites have higher tetrataenite content than type 4 chondrites. This is compatible...approximately 500 °C result in the disordering of tetrataenite and associated drastic change in magnetic properties...properties. As a good indicator of the amount of tetrataenite, hysteresis properties are a very sensitive |  | | Journal (article/letter/editorial) | | REMVmethod underestimates the true paleointensity for meteorite samples with magnetizations that are heterogeneous...other scientific investigations) and because meteorite mineral assemblages are often metastable under...preferable to magnetic susceptibility (e.g. [11]) as meteorite remanence is often carried by a minor fraction...fraction of the total magnetic material in the meteorite, especially in case of metalbearing meteorites. The...is calibrated for TRMs whereas the nature of meteorite magnetizations is not always constrained. These |  | GATTACCECA, J, ROCHETTE, P, DENISE, M, CONSOLMAGNO, G, FOLCO, L (2005) An impact origin for the foliation of chondrites. Earth and Planetary Science Letters, 234 (3) 351-368 doi:10.1016/j.epsl.2005.03.002 | Journal (article/letter/editorial) | | cannot be studied as easily as L chondrites: tetrataenite in LL chondrites affects the AMS in an unpredictable...intensity of meteorite foliation and that of thermal metamorphism suffered by the meteorite parent body...apparatus. Repeated AMS measurements on the same meteorite sample with both KLY2 and KLY3 apparatus showed...grains in four LL chondrites. Besides the Bensour meteorite, that is described in detail in Gattacceca...explained by the presence of tetrataenite in LL chondrites [29]. Tetrataenite may influence the degree of |  | Oliver, P., Ralchenko, M., Samson, C., Ernst, R. E., McCausland, P. J. A., West, G. F. (2018) Enhanced nondestructive characterization of ordinary chondrites using complex magnetic susceptibility measurements. Meteoritics & Planetary Science, 53 (3) 433-447 doi:10.1111/maps.13028 | Journal (article/letter/editorial) | | uncertainty level was far lower than the intra-meteorite variability for the Gao–Guenie suite suggesting...limits the interpretation of results in terms of meteorite characteristics such as magnetic mineralogy or...Tancredi et al. (2009) Bassikounou Bensour-1 6.6262 1.1036 Bensour-2 Bruderheim 1.3235 29.9307 Carancas-1...susceptibility (270 Hz) (1e6 m3 kg1) Bassikounou Bensour-1 Bensour-2 Bruderheim Carancas-1 Carancas-2 Carancas-3...measurement and the inherent difficulty in measuring meteorite volume, and to provide consistency with established |  | Uehara, Minoru, Gattacceca, Jérôme, Leroux, Hugues, Jacob, Damien, van der Beek, Cornelis Jacominus (2011) Magnetic microstructures of metal grains in equilibrated ordinary chondrites and implications for paleomagnetism of meteorites. Earth and Planetary Science Letters, 306 (3) 241-252 doi:10.1016/j.epsl.2011.04.008 | Journal (article/letter/editorial) | | Stixrude Keywords: extraterrestrial magnetism tetrataenite cloudy zone magnetic microscopy magneto-optical...nm large tetrataenite precipitates embedded in Ni-poor matrix) and a 1–10 μm thick tetrataenite rim. (2)...Zoneless plessite particles that consist of large tetrataenite grains (N 1 μm) embedded in a kamacite matrix...saturation remanence shows that, the submicron-sized tetrataenite islands in cloudy zone carry a much stronger...stronger remanence than the μm-sized tetrataenite crystals in the tetrataenite rims and plessite. Micron-scale |  | Llorca, Jordi, Gich, Martí, Molins, Elies (2007) The Villalbeto de la Peña meteorite fall: III. Bulk chemistry, porosity, magnetic properties,57Fe Mössbauer spectroscopy, and Raman spectroscopy. Meteoritics & Planetary Science, 42. doi:10.1111/j.1945-5100.2007.tb00603.x | Journal (article/letter/editorial) | | http://meteoritics.org The Villalbeto de la Peña meteorite fall: III. Bulk chemistry, porosity, magnetic... The specific magnetic susceptibility of the meteorite is 4.85 ± 0.05 (in 10−9m3kg−1) and the porosity...spectroscopy of the whole rock indicates that the meteorite faced oxidizing conditions prior to fall. The...ferromagnetic phases kamacite and taenite. No tetrataenite is present, which is in total accordance to...INTRODUCTION The fall of the Villalbeto de la Peña meteorite on January 4, 2004 (Spain) is one of the best |  | Bezaeva, Natalia S., Badyukov, Dmitry D., Nazarov, Mikhail A., Rochette, Pierre, Feinberg, Joshua M., Markov, Gennadiy P., Borschneck, Daniel, Demory, François, Gattacceca, Jérôme, Borisovskiy, Sergey E., Skripnik, Anna Ya (2014) Magnetic properties of the LL5 ordinary chondrite Chelyabinsk (fall of February 15, 2013) Meteoritics & Planetary Science, 49 (6) 958-977 doi:10.1111/maps.12307 | Journal (article/letter/editorial) | | multidomain FeNi alloys taenite and kamacite (no tetrataenite is present). However, below approximately 75...values of saturation magnetization. Chelyabinsk meteorite shower (LL5, S4, W0) immediately and shortly after...spectacular atmospheric fireball in the Chelyabinsk region of Russia. It was recovered in the form of the...2014. 2 N. S. Bezaeva et al. Chelyabinsk meteorite fragments (Badyukov and Dudorov 2013), petrology...magnetic characterization of the Chelyabinsk meteorite remains lacking. The magnetic properties of meteorites |  | Keil, Klaus, Zucolotto, Maria E., Krot, Alexander N., Doyle, Patricia M., Telus, Myriam, Krot, Tatiana V., Greenwood, Richard C., Franchi, Ian A., Wasson, John T., Welten, Kees C., Caffee, Marc W., Sears, Derek W. G., Riebe, My, Wieler, Rainer, dos Santos, Edivaldo, Scorzelli, Rosa B., Gattacceca, Jerome, Lagroix, France, Laubenstein, Matthias, Mendes, Julio C., Schmitt-Kopplin, Philippe, Harir, Mourad, Moutinho, Andre L. R. (2015) The Vicência meteorite fall: A new unshocked (S1) weakly metamorphosed (3.2) LL chondrite. Meteoritics & Planetary Science, 50 (6) 1089-1111 doi:10.1111/maps.12456 | Journal (article/letter/editorial) | | (2015) doi: 10.1111/maps.12456 The Vicência meteorite fall: A new unshocked (S1) weakly metamorphosed...accepted 17 March 2015) Abstract–The Vic^encia meteorite, a stone of 1.547 kg, fell on September 21, 2013...age distribution of LL group chondrites. The meteorite is unusual in that it contains relatively large...angrite D’Orbigny. INTRODUCTION The Vic^encia meteorite, a single stone weighing 1.547 kg and measuring...Borracha on September 28, 2013 and purchase the meteorite on September 30, 2013 from the finder (Fig. S4) |  | BEZAEVA, Natalia S., BADJUKOV, Dmitri D., ROCHETTE, Pierre, GATTACCECA, Jérôme, TRUKHIN, Vladimir I., KOZLOV, Evgeny A., UEHARA, Minoru (2010) Experimental shock metamorphism of the L4 ordinary chondrite Saratov induced by spherical shock waves up to 400 GPa. Meteoritics & Planetary Science, 45 (6) 1007-1020 doi:10.1111/j.1945-5100.2010.01069.x | Journal (article/letter/editorial) | | Physics, Snezhinsk (Chelyabinsk-70), Chelyabinsk Region 454070, Russia * Corresponding author. E-mail:...also showed a shock-induced transformation of tetrataenite to taenite within all shocked subsamples, resulting...shock experiments was a sample of the Saratov meteorite, provided by the Vernadsky Institute of the Russian...weight of the fall: 328 kg, several stones). This meteorite is classified as an L4 ordinary chondrite (Grady...1997). In literature, the bulk density of Saratov meteorite was found to be 2.98 ± 0.02 g cm)3 (Flynn et al |  | | Journal (article/letter/editorial) | | meteorites from the Moon and Mars. Formation of meteorite 223 A ugus t 2009 with implied magnetizations...in the asteroid belt for nearly all observed meteorite falls. A cometary origin has also been suggested...than those of other meteoritic phases, these meteorite classes are ideal for the study of early solar...system paleomagnetism. The oldest-known Martian meteorite, ALH 84001, contains pure magnetite nanoparticles...are mainly Fe–Ni alloys (kamacite, taenite, tetrataenite, awaruite), but they also include phases with |  | | Journal (article/letter/editorial) | | Laboratory simulation of terrestrial meteorite weathering using the Bensour (LL6) ordinary chondrite Martin...dissolution experiments using the LL6 ordinary chondrite Bensour demonstrate that meteoritic minerals readily react...experiment 3, condensed boiling water was dripped onto meteorite subsamples within a Soxhlet extractor. Solutions...significant proportion of the Na, Cl, and K within the Bensour subsamples entered solution, demonstrating that...accumulation of weathering products within a group of meteorite finds, usually ordinary chondrites whose terrestrial |  | | Journal (article/letter/editorial) | | High-field magnetic measurements on HED meteorites Meteorite Diogenites Manegaon Manegaon Roda Shalka Shalka...sufficiently diluted, which may not be the case in HED meteorite and may lead to underestimation of the real χp...orientation of the non-spherical metallic grains. Tetrataenite has been observed by one of us (MG) in one eucrite...Ni-rich taenite (Gooley and Moore, 1976). However, tetrataenite abundance is very low with respect to kamacite...multidomain kamacite or taenite grains, whereas tetrataenite has a strong magnetocrystalline anisotropy and |  | Rochette, P., Gattacceca, J., Ivanov, A.V., Nazarov, M.A., Bezaeva, N.S. (2010) Magnetic properties of lunar materials: Meteorites, Luna and Apollo returned samples. Earth and Planetary Science Letters, 292 (3) 383-391 doi:10.1016/j.epsl.2010.02.007 | Journal (article/letter/editorial) | | March 2010 Editor: R.W. Carlson Keywords: lunar meteorite Apollo Luna magnetic properties metallic iron...abundance of anorthositic highland samples in the meteorite collection allows one to better describe the properties...have compiled and measured in a large number of meteorite collections the magnetic susceptibility (χ) of...masses of multiple samples and thus estimating meteorite 384 P. Rochette et al. / Earth and Planetary...various applications: (1) providing clues for meteorite classification (i.e. distinction between lunar |  | | Journal (article/letter/editorial) | | specific conditions during impact. The Pułtusk meteorite fell on January 30, 1868 in Poland. It is an H4–5...appropriate for this study, 38 samples of the Pułtusk meteorite were examined mesoscopically (in hand sample)...It may be accompanied by Ni-rich taenite (or tetrataenite) with 48.2–51.8 wt% of Ni and 0.05– 0.11 wt%...2. Deformational features observed in Pułtusk meteorite. a) Shear fracture cutting through the chondrule...nodules in tomographic reconstructions of Pułtusk meteorite. a) Dark, cataclastic matrix reveals dispersion |  | | Journal (article/letter/editorial) | | the midplanes of the terrestrial planet-forming region in protoplanetary disks are currently inaccessible...remanent magnetization (NRM). Furthermore, many meteorite samples experienced remagnetization in strong...magnetized in the same direction within a given meteorite. A second, unidirectionality test examines the...measurement of a 30 μm thin section of the Allende meteorite and inversion calculations of a single chondrule...magnetization at the <5 mm scale carried by tetrataenite in the Bensour LL chondrite (Gattacceca et al., 2003) |  | | Book | | Theoretical advances and new data from asteroid and meteorite observations, coupled with spacecraft missions...the processes of planet formation. Combining meteorite, asteroid, and icy body observations with theory...families is much less than what is observed among meteorite groups. In Chapter 15, Carol Raymond and colleagues...that until now has mainly been inferred from meteorite studies and observations of the presentday asteroid...diversity is not expected for a relatively narrow region of the nebula. The remnant of the mass is a grab-bag |
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