 | | Journal (article/letter/editorial) | | Wl6-7037/87/%3.00 + .oO The Semarkona meteorite: First recorded occurrence of smectite in an ordinary...hydrothermally altered. Analyses of Abstract-Semarkona altered materials and opaque matrix are presented...calcite and Na, Fe smectite, respectively. In Semarkona the process possibly requires open system behavior...The low petrologic type previously assigned to Semarkona is the result of retrograde metamorphism, under... of a higher temperature mineral assemblage. Semarkona, and possibly Bishunpur, should be assigned to |  | Joswiak, D.J., Nakashima, D., Brownlee, D.E., Matrajt, G., Ushikubo, T., Kita, N.T., Messenger, S., Ito, M. (2014) Terminal particle from Stardust track 130: Probable Al-rich chondrule fragment from comet Wild 2. Geochimica et Cosmochimica Acta, 144. 277-298 doi:10.1016/j.gca.2014.08.017 | Journal (article/letter/editorial) | | USA Laboratory for Early Solar System Evolution, Division of Earth and Planetary Materials Science, Graduate...aggregates (AOAs). Measured widths of augite/pigeonite lamellae in the clinopyroxene indicate fast cooling...amounts of low-Ca pyroxene, Mg-rich olivine and pigeonite was suggested to be related to Al-rich chondrules...0 0) in the dark phase are in agreement with pigeonite while 0.46 nm (2 0 0) fringes in the bright phase...and pigeonite) with coincidental c* axes and non-overlapping a* axes. Both augite and pigeonite crystallize |  | | Journal (article/letter/editorial) | | near the surface of some chondrules in LL3.0 Semarkona, and silica-rich igneous rims around many type-I...grains derived from disrupted type-IA chondrules. Semarkona chondrule mesostases that show increased concentrations...(FeO-rich porphyritic olivine—PO) chondrules in Semarkona LL3.0 and found that most phenocrysts exhibit...Meteoritical Society, 2018. 2 A. E. Rubin Semarkona, and silica-rich igneous rims around many type-I...ANALYTICAL PROCEDURES Two thin sections of LL3.0 Semarkona (USNM 1805-3 and AMNH 4128-2) were examined microscopically |  | | Journal (article/letter/editorial) | | mineralogy of Type II, FeO-rich chondrules in Semarkona (LL3.0): Origin by closed-system fractional crystallization...of type II porphyritic olivine chondrules in Semarkona (LL3.0) has been studied in detail. Olivines in...similar to olivines in type IA chondrules in Semarkona and may result from d&aggregation of such chondrules...The type IA porphyritic olivine chondrules in Semarkona were described by JONESand Scorr ( 1989), who...olivine chondrules in the same chondrite. In Semarkona, type II chondrules represent approximately 23 |  | | Journal (article/letter/editorial) | | Singhvi c a b c Space Science and Astrobiology Division, NASA Ames Research Center, MS245-3, Moffett Field...Physical Research Laboratory, Ahmedabad 380 009, India a r t i c l e i n f o Article history: Received...age Metamorphism a b s t r a c t Early work on meteorite thermoluminescence (TL), influenced by pottery...(2) the terrestrial age (time since fall) of a meteorite. For 14 years natural TL measurements were routinely...value of such data are presented, an Antarctic meteorite that underwent a major orbit change prior to fall |  | | Journal (article/letter/editorial) | | occurrences of Ca-rich armalcolite and geikielite in a meteorite, and the second occurrence of phase T (an unidentified...2007). To gain a deeper insight into this unique meteorite and a better understanding of the variety of materials...described by Jiang et al. (2004). Samples of Allende meteorite were treated and analyzed in the same way for... Al-diopside (with Al2O3 up to 10.4 wt%) and pigeonite. Minor amounts of nepheline and sodalite replaced...µm, Fa0.8) phenocrysts, with minor dendritic pigeonite and diopside overgrowing on anorthite. The mantle |  | | Journal (article/letter/editorial) | | and opaque chondrule rims in Bishunpur, Krymka, Semarkona, Chainpur (all LL3), Tieschitz and Sharps (both...pre-solar, component is limited to 3 vol.% of each meteorite, so equilibrium condensate was not the carrier...During our work, however, it transpired that Semarkona, LL3.0, and Bishunpur, LL3.1, are partially hydrothermally...Meteorites studied Name Bishunpur Chainpur Krymka Semarkona Sharps Tieschitz Class LL3.1 LL3.4 LL3.0 LL3...and chondrules are most clearly shown in this meteorite, so most of our textural study was performed on |  | | Journal (article/letter/editorial) | | studies, Hutchison et al. (1985) suggested that Semarkona (LL3) bore signs of alteration and may in fact...types 2 and 3. We present here TEM studies of Semarkona, Bishunpur, Chainpur, Krymka, Sharps and Tieschitz...metamorphism/metasomatism in ordinary chondrite parent bodies. Semarkona shows the greatest alteration and primarily in...69-1.75 1.49-1.52 1.29-1.32 0.97-0.99 0.86-0.88 Semarkona Bishunpnr range range 4.51-4.62 2.53-2.65...The considerable redistribution of elements in Semarkona suggests the presence of a grain boundary fluid |  | | Journal (article/letter/editorial) | | California, Los Angeles, CA 90095-1567, USA c Division of Geological and Planetary Sciences, California...primitive chondrites (e.g., L3.0 NWA 7731; LL3.0 Semarkona) are interpreted to be products of the processes...the IMACNMNC, including 17 from the Allende CV3 meteorite (Ma, 2015a) and high-pressure phases such as bridgmanite...kaersutite ureyite omphacite orthopyroxene pigeonite potassic-chloro-hastingsite pyroxferroite rhodonite...perrierite perryite PGE-dominated alloys phlogopite pigeonite plagioclase plagionite platinum pleonaste portlandite |  | | Journal (article/letter/editorial) | | Society, 1997. Printed in USA. Mineralogy of meteorite groups ALANE. RUBIN Institute of Geophysics and...shocked ordinary chondrites. Secondary minerals in meteorite finds that formed during terrestrial weathering...numbers of meteorites (including members of new meteorite groups; Table 1) from hot and cold deserts, the...variations 23 1 A. E. Rubin 232 TABLEI . Meteorite classification. Chondrites Carbonaceous chondrites...Wasson and Kallemeyn, 1990). 233 Mineralogy of meteorite groups TABLE 2. Minerals in meteorites. ~~ ~ |  | Wang, Ying, Hsu, Weibiao, Li, Xianhua, Li, Qiuli, Liu, Yu, Tang, Guoqiang (2016) Petrology, mineralogy, and oxygen isotope compositions of aluminum-rich chondrules from CV3 chondrites. Meteoritics & Planetary Science, 51 (1) 116-137 doi:10.1111/maps.12590 | Journal (article/letter/editorial) | | for the origin of ARCs. Ningqiang is a unique meteorite which has been classified as CV3 anomalous, CK3...(up to 1 mm long) and overgrown diopside and pigeonite, with sporadic 12.4 12.8 31.0 12.4 10.5 10.9...subhedral spinel, plagioclase, and dendritic pigeonite is enclosed by a porphyritic olivine chondrule...(j) composed of plagioclase, spinel, and minor pigeonite. The chondrule–CAI boundary is dimmer than that...13) (0.07) (3.41) (0.14) Enstatite (N = 34) Pigeonite (N = 8) High-Ca pyroxene (N = 30) Plagioclase |  | | Book | | METEORITE MINERALOGY Meteorites are fascinating cosmic visitors. Using accessible language, this book...book documents the history of mineralogy and meteorite research, summarizes the mineralogical characteristics...photographs of meteorite minerals, and with an accompanying online list of meteorite minerals, this book...book provides a useful resource for meteorite researchers, terrestrial mineralogists, cosmochemists,...students in these fields. a l a n e . r u b i n is a meteorite researcher who recently retired from the University |  | Joswiak, D. J., Brownlee, D. E., Matrajt, G., Westphal, A. J., Snead, C. J. (2010) Kosmochloric Ca-rich pyroxenes and FeO-rich olivines (Kool grains) and associated phases in Stardust tracks and chondritic porous interplanetary dust particles: Possible precursors to FeO-rich type II chondrules in ordinary chondrites. Meteoritics & Planetary Science, 44 (10) 1561-1588 doi:10.1111/j.1945-5100.2009.tb01192.x | Journal (article/letter/editorial) | | with Ca contents transitional between augite and pigeonite are found in contact with roedderite and enstatite...that this phase is probably Ko-bearing augite/pigeonite. Diffraction patterns (Fig. 10) have shown that...from this TP. Ko-aug/pig = kosmochloric augite/pigeonite. short beam exposure the crystal suffered significant...fragment KeyA-A which fall in the sub-augite and pigeonite portions of the quadrilateral. These grains are...fragment KeyA-A plot in the subcalcic augite and pigeonite fields. Low-Ca pyroxene analyses from SD fragment |  | | Journal (article/letter/editorial) | | magnetite and pyrrhotite grains in the martian meteorite are of magnetotactic bacterial origin. A6 Meteoritics...exsolved augite. However, exsolution of the primary pigeonite (Wo,) has not proceeded very far: Augite lamellae...obtained from NASA; additional chips from each meteorite were examined petrographically at the Smithsonian...iron in a weathered sample of an equilibrated meteorite, with weight gains predicted for an unweathered...the carbonate globules present in the martian meteorite ALH 84001 have detected polycyclic aromatic hydrocarbons |  | Hicks, L. J., MacArthur, J. L., Bridges, J. C., Price, M. C., Wickham-Eade, J. E., Burchell, M. J., Hansford, G. M., Butterworth, A. L., Gurman, S. J., Baker, S. H. (2017) Magnetite in Comet Wild 2: Evidence for parent body aqueous alteration. Meteoritics & Planetary Science, 52 (10) 2075-2096 doi:10.1111/maps.12909 | Journal (article/letter/editorial) | | this hypothesis, powdered material from a CR2 meteorite (NWA 10256) was shot into the aerogel at 6.1 km...silicates, requiring aqueous activity in the meteorite parent body. Hematite and maghemite c-Fe2O3 are...look at powdered material from a CR2 chondrite meteorite, selected as an analogue to Wild 2, including...magnetite grain from a thin section of the same CR2 meteorite shows a Fe-rich content with a trace of Cr. Peaks...8.056, and all final results for cometary and meteorite samples and reference materials, including Fe-K |  | JOSWIAK, David J., BROWNLEE, Donald E., MATRAJT, Graciela, WESTPHAL, Andrew J., SNEAD, Christopher J., GAINSFORTH, Zack (2012) Comprehensive examination of large mineral and rock fragments in Stardust tracks: Mineralogy, analogous extraterrestrial materials, and source regions. Meteoritics & Planetary Science, 47 (4) 471-524 doi:10.1111/j.1945-5100.2012.01337.x | Journal (article/letter/editorial) | | were marginally high enough for classification as pigeonite (Wo = 6.5 mol%, Table 4, ref 358). Electron diffraction...(Table 4, ref 359), while Wo contents span the pigeonite field and are transitional to augite. Zone axis...microtome sections, the kosmochloric augite ⁄ pigeonite was observed sharply in contact with roedderite...Fo62-67 Frag 9 Frag 8 k l Pyrrhotite Mn-rich pigeonite Potted butt BSE c 1 μm 1 μm Track 77 (Puki):... equilibrated Fo58–61(fragment 104), Mn-rich pigeonite (fragment 9), and a single pyrrhotite crystal |  | McCanta, M.C., Treiman, A.H., Dyar, M.D., Alexander, C.M.O’D., Rumble, D., Essene, E.J. (2008) The LaPaz Icefield 04840 meteorite: Mineralogy, metamorphism, and origin of an amphibole- and biotite-bearing R chondrite. Geochimica et Cosmochimica Acta, 72 (23) 5757-5780 doi:10.1016/j.gca.2008.07.034 | Journal (article/letter/editorial) | | elsevier.com/locate/gca The LaPaz Icefield 04840 meteorite: Mineralogy, metamorphism, and origin of an amphibole-...online 11 September 2008 Abstract The R chondrite meteorite LaPaz Icefield (LAP) 04840 is unique among metamorphosed...ordinary chondrite phyllosilicates (as in the Semarkona chondrite), and insoluble organic matter (IOM)...mccanta@ gmail.com (M.C. McCanta). 1 Present address: Division of Geological and Planetary Sciences, California...significant, and here we report such a find: the meteorite LAP 04840, a Rumuruti (R) group chondrite, with |  | | Book (edition) | | Italy NT Chieti NT Marsica AJjsaroka Fault Abee Meteorite aa Taylor County Texas Texas Southwestern U...River IN Index Indian states as applica¬ ble. BT India SA Bihar SA West Bengal Ajman Sheikdom. One of federation...Peninsula Ajmer City and district in central Raja¬ sthan, NW India. BT Rajasthan BT India akaganeite BA oxides...Endicott Mountains NA Fairbanks Alaska NA Fairbanks District NT Fairweather Fault NT Glacier Bay NA Glacier...Interior Seaway NX Western Overthrust Belt SA Abee Meteorite SA Altyn Limestone SA Banff Formation SA Bearpaw |  | | Journal (article/letter/editorial) | | Amorsson S. ~stmann~o~r H. Ok&son J. Sigvaldason G. E. INDIA Krishnaswami S. ISRAEL Aizenshtat 2. Ben-Yaakov...MARTI:Nucleogenic noble gas com~nent~ in the Cape York iron meteorite 163 Book Reviews S. A. MORSE:“Lunar Bases and...forsterite-bearing Ca-Al-rich inclusions in the Aliende meteorite . LAWRENCE R. BERNSTEIN and GLENNA. WAYCHUNAS:...Organic Ge~hemist~ Division, Minutes 1028 . 1030 Organic Geochemistry Division, Slate of Officers...inside amoeboid olivine aggregates in the Allende meteorite . . . . . . . . . . . . . . . .._............ |  | | Journal (article/letter/editorial) | | http://www.uark.edu/meteor LL~ Zoned chondrules in Semarkona: Evidence for high- and low-temperature processing...Abstract-At least 15% of the 10w-FeO chondrules in Semarkona (LL3.0) have mesostases that are concentrically...Sears et ai. (1999), who found a chondrule in Semarkona (LL3 .0) with concentrically zoned mesostasis...Nagahara et al. (1999) discusses two more zoned Semarkona chondrules, and interprets their compositional...systematic study of zoned chondrules as a class. Semarkona was chosen as the host chondrite to avoid the |  | | Journal (article/letter/editorial) | | St. Louis MO 63130, USA. The present state of meteorite chemistry as established by Wasson and Kallemeyn...including Mg, Si, Sr. the Earth lies close to CI meteorite as previously established. The estimate of si...ratios in the Earth's mantle. as well as on the meteorite trend permils us to estimate the composition of...difference in their relative abundances among meteorite classes reflects differences in the dust!gas ratio...HIGH-DENSITY INTERSTELLAR GRAPHITE FROM THE MURCHISON METEORITE. S. Amari 1.2, E. Zinner), and R. S. Lewis-, IMcDonnell |  | | Book | | rate ratio of Mg/(Mg þ Fe) in a section of the Semarkona LL3.0 chondrite, constructed from magnesium and...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 |  | | Journal (article/letter/editorial) | | OF THE METALLIC PHASES IN THE ALMAHATA SITTA METEORITE (FRAGMENT#051). Y. A. Abdu1, A. M. Gismelseed2...Khartoum, Sudan. Introduction: The Almahata Sitta meteorite fall was unique because asteroid 2008 TC3, the...large fragments of the 1947 Sikhote-Alin iron meteorite [2] fallen in the waterlogged deposits. In the...impact structures containing large boulder-sized meteorite rocks may be present. References: [1] Anfinogenov...Fonton S. S. 1959. In: The Sikhote-Alin iron meteorite shower. Part I. Ed.: V. G. Fesenkov and E. L. |  | | 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 | | range of topics covered, including asteroid and meteorite classification, chemical and physical properties...Floor, Ansari Road, Daryaganj, Delhi –110002, India 79 Anson Road, #06-04/06, Singapore 079906 Cambridge...Minerals Terrestrial Weathering Meteorite Classification Meteors Meteorite Densities Magnetic Field Radioactive...How well can we link these bodies to particular meteorite groups? What can be learned from returned samples...in the sky, it will be called an asteroid. A meteorite is a natural fragment of any celestial body that |
|
