 | | Journal (article/letter/editorial) | | maskelynite; melts; glasses; L chondrites; SNC Meteorite 1. Introduction Shock-induced deformation in...near-labradorite composition in the Shergotty meteorite [19]. Later, Tschermak revised his identi¢cation...the shocked L-chondrites Sixiangkou, Tenham, Peace River, Dar al Gani 355, the SNC meteorites Dar al Gani...(Pl) in the shocked meteorites Stannern (a) and Peace River (b) containing a complex fracture network consisting...Mg Fe Totals Sixiangkou (L6) Tenham (L6) Peace River (L6) Shergotty Zagami Stannern Dar al Gani |  | | Book | | Anthony J. Why te The Meteorites of Alberta Digitized by the Internet Archive in 2011 http://www...org/details/meteoritesofalbeOOwhyt Meteorites of Alberta Hmm pftjGwB 1 }''>' Ji raTraJ aTBfTraS ... Meteorites of Alberta DQ£\ The University of Alberta Press 1 Published by The University of Alberta Press...Edmonton, Alberta, Canada T6G 2E Copyright © 2009, Anthony J. Whyte. Library and Archives Canada Cataloguing...Publication Whyte, Anthony J., 1951- The meteorites of Alberta / Anthony J. Whyte. Includes bibliographical references |  | Malavergne, Valérie, Guyot, François, Benzerara, Karim, Martinez, Isabelle (2001) Description of new shock-induced phases in the Shergotty, Zagami, Nakhla and Chassigny meteorites. Meteoritics & Planetary Science, 36 (10) 1297-1305 doi:10.1111/j.1945-5100.2001.tb01825.x | Journal (article/letter/editorial) | | event connected with the impact ejecting the meteorite into space. Langenhorst and Poirier (2000) report...of Nakhla (Greshake, 1998) indicated that this meteorite was only weakly shocked with an estimated peak...polished thin slides were made out of chips of each meteorite. They were then mounted on 3 mm Cu rings with...composition as augites commonly encountered in the meteorite, but with different structure. The compositions...thus be considered as calcium-rich majorites. The majorite crystals, containing neither fractures nor subgrain |  | | Journal (article/letter/editorial) | | minerals provide clues about the impact events of meteorite parent bodies, including their size and mutual...in Arizona, which was the product of an iron meteorite INTRODUCTION The Earth’s crust and upper mantle...ion milling and ultramicrotomy. In the case of meteorite samples, the target particles for TEM observations...spinel was discovered in the shock vein of a meteorite, the Umbarger chondrite (L6; Xie et al. 2002b)...discovered in the shock veins of the Tenham and Peace River chondrites (L6; Putnis and Price 1979; Price |  | | Journal (article/letter/editorial) | | com/locate/epsl The breakdown of diopside to Ca-rich majorite and glass in a shocked H chondrite Naotaka Tomioka...January 2003 Abstract Fine-grained assemblages of majorite and glassy grains are for the first time identified...a shock-induced melt vein in an H chondritic meteorite. The bulk chemical composition of these aggregates...of diopside CaMgSi2 O6 in the host rock. Both majorite and glassy grains are Ca-rich and their formulae...Keywords: shock event; H chondrite; diopside; majorite; perovskite 1. Introduction Olivine, high-Ca |  | Ozawa, Shin, Ohtani, Eiji, Miyahara, Masaaki, Suzuki, Akio, Kimura, Makoto, Ito, Yoshinori (2009) Transformation textures, mechanisms of formation of high-pressure minerals in shock melt veins of L6 chondrites, and pressure-temperature conditions of the shock events. Meteoritics & Planetary Science, 44 (11) 1771-1786 doi:10.1111/j.1945-5100.2009.tb01206.x | Journal (article/letter/editorial) | | identified in Sahara 98222. Wadsleyite, ringwoodite, majorite, akimotoite, jadeite, and lingunite (NaAlSi3O8-hollandite)...original olivine. The nucleation and growth of majorite took place along the grain boundaries or fractures...ringwoodite, which has been described from this meteorite in a previous report (Grossman 1999). Jadeite...(Fig. 1). We identified ringwoodite, wadsleyite, majorite, akimotoite, jadeite, and lingunite (NaAlSi3O8-hollandite)...polycrystalline aggregates of majorite (Figs. 5 and 7d). Individual majorite crystals have a spindle-like |  | | Journal (article/letter/editorial) | | characteristics of shock-induced microstructures in the two meteorite major phases, kamacite (bcc, Ni-poor) and taenite...dislocations tend to form cell structures (Iron meteorite Gibeon - TEM bright field). (b) Dislocations in...olivine-ringwoodite transformation. High pressure polymorphs Majorite - ilmenite - perovskite The high-pressure polymorphs...minerals in meteorites generally form near or within Majorite (garnet structure) is one of the high pressure...TEM bright field). Fig. 16. Al, Ca and Na-rich majorite grains (in white) that crystallized from a high |  | Bindi, Luca, Brenker, Frank E., Nestola, Fabrizio, Koch, Tamara E., Prior, David J., Lilly, Kat, Krot, Alexander N., Bizzarro, Martin, Xie, Xiande (2019) Discovery of asimowite, the Fe-analog of wadsleyite, in shock-melted silicate droplets of the Suizhou L6 and the Quebrada Chimborazo 001 CB3.0 chondrites. American Mineralogist, 104 (5) 775-778 doi:10.2138/am-2019-6960 | Journal (article/letter/editorial) | | Keywords: Wadsleyite, iron, spinelloid, chondrite, meteorite, crystal structure, microprobe analysis, Earth’s...materials [i.e., M-Si-O (M = Mg, Fe)] such as majorite (Tomioka et al. 2016), akimotoitehemleyite (Tomioka...Co-type material (Quebrada Chimborazo 001 CB meteorite) is preserved at the Goethe University Frankfurt...inside the bright Fe,Ni-metal) in the Suizhou meteorite. Bottom: Enlarged region highlighted in the top...Fe-rich wadsleyite (Fa35–45). Suizhou is a shocked meteorite with occurrence of thin, less than 300 μm in thickness |  | | Journal (article/letter/editorial) | | 859–869, 2013 The pressures and temperatures of meteorite impact: Evidence from micro-Raman mapping of mineral...wadsleyite, ringwoodite, high-Ca clinopyroxene, majorite-pyrope, jadeite, maskelynite, and lingunite. Olivine...silicate pocket, all enstatite transformed to a majorite-pyrope solid solution, whereas the high-Ca clinopyroxene...highly shocked chondrites include: ringwoodite; majorite; wadsleyite; magnesiowüstite; akimotoite; lingunite;...discovery by Binns et al. (1969) in the Tenham meteorite (e.g., Gupta and Goyal 2011; Madon and Poirier |  | | Journal (article/letter/editorial) | | Mineralogist, Volume 102, pages 1279–1286, 2017 Majorite-olivine–high-Ca pyroxene assemblage in the shock-melt...980-8578, Japan 1 Abstract High-pressure minerals—majorite-pyrope garnet and jadeite—were found in the Pervomaisky...Pervomaisky L6 ordinary chondrite. Majorite-pyrope (79 mol% majorite) was observed within the fine-grained...crystallized from the melt in the SMV matrix of meteorite. P-T conditions of the formation of the SMV matrix...1750–2150 °C, the lowest parameters among all known majorite-bearing (H,L)-chondrites. The estimated conditions |  | | Journal (article/letter/editorial) | | Department of Geology, University of Alberta, Edmonton, Alta. T6G 2E3 (Canada) Received August 10, 1989; revised...homogenised the silicate phases forming the bulk of the meteorite. These results are difficult to reconcile with...Falconbridge Ltd., Falconbridge, Ont. P0M 1S0, Canada. 0012-821X/90/$03.50 © 1990 - Elsevier Science...less randomly from one individual of a given meteorite. To the best of our knowledge, seldom, if ever...some extent, grains in different parts of the meteorite will not have achieved equilibrium with one another |  | | Journal (article/letter/editorial) | | Department of Geology, University of Alberta, Edmonton, Alta. T6G 2E3 (Canada) Received August 10, 1989; revised...homogenised the silicate phases forming the bulk of the meteorite. These results are difficult to reconcile with...Services Division, Fort Saskatchewan, Alta. T8L 2P2, Canada. 0012-821X/91/$03.50 © 1991 - Elsevier Science...less randomly from one individual of a given meteorite. To the best of our knowledge, seldom, if ever...some extent, grains in different parts of the meteorite will not have achieved equilibrium with one another |  | | Journal (article/letter/editorial) | | ringwoodite, low-Ca majorite, clinoenstatite, hollandite-structured plagioclase and Ca-rich majorite. The Ca-rich...Ca-rich majorite occurs as a symplectitic intergrowth with a Ca-poor amorphous silicate phase in a 200 μm-diameter...a Ca-rich clinopyroxene precursor into Ca-rich majorite and (FeMg)SiO3 perovskite, which subsequently...solid-state transformation; shock metamorphism; Ca-rich majorite; ringwoodite lamellae; growth rate; Tenham 1...chondrites [1–15]. These minerals include ringwoodite, majorite, wadsleyite, magnesiowüstite, akimotoite, hollandite-structured |  | | Journal (article/letter/editorial) | | 2010) Abstract–High pressure phases majorite, possibly majorite-pyropess, wadsleyite, and coesite are...combinations of olivine and low-Ca pyroxene, as well as majorite garnet (Mg4Si4O12), a phase that forms by high-pressure...olivine. Compositions of the majorite suggest both majorite and majorite-pyrope solid solution may be...be present. The mineral assemblage of majorite and wadsleyite suggest minimum shock pressures and temperatures...transformation to low pressure polymorphs throughout the meteorite. The high pressure phases record a high temperature–pressure |  | Stöffler, Dieter, Hamann, Christopher, Metzler, Knut (2019) Addendum to “Stöffler, D., Hamann, C., and Metzler, K., Shock metamorphism of planetary silicate rocks and sediments: Proposal for an updated classification system. Meteoritics & Planetary Science 53, 5–49, 2018”. Meteoritics & Planetary Science, 54 (4) 946-949 doi:10.1111/maps.13246 | Journal (article/letter/editorial) | | stages S5–S6 (ringwoodite, wadsleyite, ahrensite, majorite, akimotoite, bridgmanite, shenzhuangite, and lingunite:...that all samples taken from a large meteorite or from a meteorite strewn field show the same degree of...natural (Mg,Fe)2SiO4 spinel group in the Tenham meteorite. Nature 221:943–944. Liu L.-G. and El Goresy A...new shock-metamorphic mineral from the Tissint meteorite: Implications for the Tissint shock event on Mars...Wadsleyite, natural ß-(Mg,Fe)2SiO4 from the Peace River meteorite. Canadian Mineralogist 21:29–35. Rubin A |  | | Journal (article/letter/editorial) | | the clues to understand the impact events of meteorite parent bodies, but also insights on the structure...中のショックベインか ら発見された(Putnis and Price, 1979)。その後，Peace River コンドライト( L6 )からも同様の鉱物が発見され， オーストラリアの結晶学者 A.D....成 し て い る も の が Peace ロンの板状リングウッダイトを発見し，これをリングウッ ン石中に板状のリングウッダイトが成長するため，リング River, ALHA78003, Y74445...al., 2008 and 2009)。Miyahara et al. (2008)は Peace River コンドライト ウッダイトラメラはコヒーレントな相転移により生成した ( L6 )のシ...wadsleyite (Wd) and ringwoodite (Rw) in the Peace River L6 chondrite (Miyahara et al., 2008). There is |  | | Book | | Concentrations on Crystallization of Garnet in the Majorite-Knorringite System . . . . . . . . 3.4.2 Crystallization...Aluminum-rich bridgmanite Al-rich garnet Al-rich majorite Anhydrous phase B Bridgmanite (MgSiO3 with perovskite-type...Ilmenite Knorringite (Mg3Cr2Si3O12) Lherzolite Majorite (Mg4Si4O12) Magnesiochromite Mg(Mg,Cr)(Mg,Si)O4...the K14 and K10 kimberlites, Buffalo Hills, Alberta, Canada: diamond growth in a plume. Lithos 77:99–111...Brezinaite was registered only in the Tucson iron meteorite (Busch and Fuchs 1969), in which the oxygen activity |  | Ma, Chi, Tschauner, Oliver, Bindi, Luca, Beckett, John R., Xie, Xiande (2019) A vacancy‐rich, partially inverted spinelloid silicate, (Mg,Fe,Si)
2
(Si,□)O
4
, as a major matrix phase in shock melt veins of the Tenham and Suizhou L6 chondrites. Meteoritics & Planetary Science, 54 (9) 1907-1918 doi:10.1111/maps.13349 | Journal (article/letter/editorial) | | assessments of the melt matrices concluded that majorite and akimotoite were the major phases. Our contrasting...the Earth’s transition zone and lower mantle (majorite, wadsleyite, ringwoodite, bridgmanite) were all...to majorite, which was recently found as rare fragments in the shock vein of the Tenham meteorite (due...offler et al. 1991, 2018). The 160 kg Tenham (L6) meteorite fell near Tenham station in western Queensland...(Binns et al. 1969) and the ~70 kg Suizhou (L6) meteorite fell near the city of Suizhou in Hubei province |  | | Journal (article/letter/editorial) | | implications for planetary science. Keywords: Shocked meteorite, Highpressure polymorph, Olivine, Silica I....その周囲ではケイ酸塩，リン酸塩鉱物，シリカなどの高密 Fig. 1. Photograph of a shocked meteorite (Dar al Gani 477 L6 ordinary chondrite) with a...grain adjacent to a shockmelt vein in Martian meteorite, Dar al Gani 735. Two diŠerent decomposition textures...of seifertite (Sei) in silica grain of lunar meteorite, Northwest Africa 4734. Amorphous or poorly crystallized...K. (2013): The pressures and temperatures of meteorite impact: Evidence from microRaman mapping of mineral |  | | Journal (article/letter/editorial) | | shock veins, which irregularly transect the bulk meteorite. To understand the origin of these high-pressure...EL GORESY A., WOPENKA B. AND XIE X. (1996) The majorite-pyrope + magnesiowustite assemblage: Constraints...(2000a) "Eclogitic" minerals in a shocked basaltic meteorite. Earth Planet. Sci. Lett. 176,259-265. LANGENHORST...of Solids-Shock Chemistry with Applications to Meteorite Impacts (eds. L. Davison, Y. Horie and T. Sekine)...Wadsleyite, natural j3-(Mg,FehSi04 from the Peace River meteorite. Can. Mineral. 21, 29-35. RAIKES S. A. AND |  | | Journal (article/letter/editorial) | | 日本鉱物科学会賞第回受賞者 受賞記念研究紹介 隕石中の鉱物：序説 Introduction to Meteorite Mineralogy 木村 眞(Makoto KIMURA) Minerals in...primarily larger than previously estimated. Keywords: Meteorite, New mineral, Enstatite chondrite, Refractory...glass (PxGl), among ˆnegrained matrix (mostly majorite garnet). The host comprises ortho pyroxene (Opx)...Ringwoodite, natural (Mg, Fe)2SiO4 spinel in the Tenham meteorite. Nature, 221, 943944. Chen, M., Sharp, T. G....Goresy, A., Wopenka, B. and Xie, X. (1996): The majoritepyrope＋magnesiow äustite assemblage: Constraints |  | | Journal (article/letter/editorial) | | 2017). In 2008, Dera et al. discovered that the meteorite mineral allabogdanite, Fe2P, is the result of...transforms the rock-forming minerals ringwoodite and majorite into periclase and bridgmanite (Fig. 2, Ringwood...Recently stishovite was reported from a lunar meteorite (Kaneko et al. 2015). Presence of stishovite in...for the peak shock pressures that the Shergotty meteorite had experienced prior ejection from Mars (Fritz...pressures of the Shergotty meteorite. Thus, type seifertite in the Shergotty meteorite has probably formed from |  | | Journal (article/letter/editorial) | | weathering category A (Meteorite Newsletter 15), Y-980223 is listed as category A/B (Meteorite Newsletter 16)...cardboard slides. For standards we used the Allende meteorite (Jarosewich et al., 1987), the USGS international...1994), and the North Chile (Filomena) IIAB iron meteorite. Analyses were carried out following a protocol...difficult to use these data to determine whether this meteorite is more closely related to EH or EL chondrites...with increasing volatility. In contrast, the meteorite exhibits a much more complex fractionation pattern |  | | Journal (article/letter/editorial) | | recognized and defined at terrestrial impact craters in Canada and Germany around 1965. The driving force for...Earth-crossing orbit and found on Earth as a meteorite. The procedures to detect multiple consecutive...geological conditions under which a specific meteorite was affected by shock compression are not known...these scenarios, the potential delivery of a meteorite to Earth depends on the approach velocity of the...of pleochroism (if present), transformation to majorite, akimotoite, and bridgmanite, decomposition to |  | | Report (issue) | | Electron microprobe analyses (4) from Blithfield meteorite. ALABANDITE. Tornroos, Neues Jahrb. Mineral.,...indices AMBLYGONITE. London and Burt, Mineral. Assoc. Canada Short Course no. 8, 99-133 (1982). Review of occurrence...Microprobe analysis (av.) from Adhi Krot meteorite from St. Sauveur meteorite (richterite) AMPHIBOLE. Rudashevskii...(1987) Microprobe analyses (4), Grenville Province, Canada. AMPHIBOLE. Thomson et al. (Can. Mineral. 23, 173-186)...(1985). Microprobe analyses (3) from Shergotty meteorite (and Zagami). AMPHIBOLE. Tripathi and Goel (Proc |
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