 | | Journal (article/letter/editorial) | | paleomagnetic conglomerate test using the Abee E4 meteorite N. Sugiura and D.W. Strangway Department of...Toronto, Ont. (Canada) Revised version received September 15, 1982 The meteorite Abee is a type 4 enstatite...study the thermal and magnetic history of the meteorite. The directions of magnetization in mutually oriented...clasts are significantly different, suggesting the meteorite was not reheated to temperatures m u c h above...paleointensities up to 60 Oe. 1. Introduction The meteorite Abee is an type 4 enstatite chondrite with m a n |  | | Journal (article/letter/editorial) | | $17.00 + .00 Pergamon PII S0016-7037(96)00335-3 Abee and related EH chondrite impact-melt breccias ALAN...revisedform September 17, 1996) A b s t r a c t - - T h e Abee EH chondrite is an impact-melt breccia. About 8...magmatically on Earth, occur throughout the rock. Abee experienced two episodes of impact melting with...second impact event produced melt which engulfed the Abee fragments and dark inclusions, primarily digesting...melt to quench. Previously described diamonds in Abee containing typical solar-system isotopic compositions |  | | Journal (article/letter/editorial) | | within and between the clasts, and the matrix of the Abee enstatite chondrite suggest an impact-based differentiation...within and between the clasts, and the matrix of the Abee enstatite chondrite suggest an impact-based differentiation...within and between the clasts, and the matrix of the Abee enstatite chondrite suggest an impact-based differentiation...à Chicoutimi, Québec G7H 2B1, CANADA, *mhiggins@uqac.ca Abstract Abee is an enstatite chondrite breccia...textures of different individuals within a coherent meteorite group. Another approach is possible for breccia |  | | 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 |  | | Journal (article/letter/editorial) | | Composition and origin of clasts and inclusions in the Abee enstatite chondrite breccia Derek W. Sears *'***...inclusion and two dark metal-poor inclusions from the Abee enstatite chondrite. The clasts are heterogeneous... single-stageprocess. 1. Introduction The Abee meteorite is of special interest because it is the largest...23 are known. To add to its particular interest, Abee is brecciated, c o n t a i n i n g clasts of up...Publishing Company 181 Fig. 1. Photograph of Abee sample SI 2096 showing the dark inclusion used in |  | PRZYLIBSKI, Tadeusz A., ZAGOŻDŻON, Pawel P., KRYZA, Ryszard, PILSKI, Andrzej S. (2005) The Zakłodzie enstatite meteorite: Mineralogy, petrology, origin, and classification. Meteoritics & Planetary Science, 40. doi:10.1111/j.1945-5100.2005.tb00424.x | Journal (article/letter/editorial) | | http://meteoritics.org The Zak≥odzie enstatite meteorite: Mineralogy, petrology, origin, and classification...accepted 21 January 2005) Abstract–The Zak≥odzie meteorite was found in September 1998, about 40 km west...images, and X-ray diffraction data show that the meteorite is composed of clino- and orthoenstatite, two...Fe-Ni alloy (kamacite and taenite), troilite, schreibersite, graphite, and sulfide (Mg, Mn, Fe)S, which...crystallized at ∼580–600 ºC. Thus, the Zak≥odzie meteorite formed by the nearly complete melting of an enstatite |  | | Report (issue) | | Powder Pattern: Zakłodzie enstatite achondrite meteorite. 2.5859 (100), 1.8285 (35), 1.4929 (18), 1.2929...38.71 16.84 39.11 99.12 44.45 100.00 (1) Abee meteorite; by electron microprobe; corresponds to (Fe0...(with relict forsterite cores), plagioclase, schreibersite, oldhamite, graphite, sinoite, an SiO2 polymorph...polymorph (Zakłodzie). Distribution: From the Abee [TL], Adhi-Kot, Saint-Sauveur, LEW 88180, RKP A80259, |  | | Journal (article/letter/editorial) | | during shock melting and crystallization of the Abee EH-chondrite impact-melt breccia Alan E. RUBIN Institute...Abstract–Literature data show that, among EH chondrites, the Abee impact-melt breccia exhibits unusual mineralogical...to impact melting, F was distributed throughout Abee, perhaps in part adsorbed onto grain surfaces; after...broadly similar thermal histories. INTRODUCTION Abee, the largest (107 kg) enstatite-chondrite fall,...of ~4565 Ma (Shukolyukov and Lugmair 2004). The Abee breccia comprises ~50 vol% subangular to subrounded |  | | Journal (article/letter/editorial) | | intergrowthsof theseminerals(piessite),cohenite, schreibersite, graphite,native copper,native gold, trollitc...detail in only a few stony meteorites,be- each meteorite individually, even though each causewith earlier...d:•tinguishbetweenphases(e.g., a and7 ironor iron and schreibersite). During the present investigation polished...RAMDOHR TABLE 1. StonyMeteoritesInvestigated* Aarhus Abee Alfianello Kingfisher Knyahinya Lake Labyrinth...in a few stony meteoritesin small amoun.t•, Schreibersite(FesP) is widely distributed'm smallamounts; |  | | Journal (article/letter/editorial) | | magnetic minerals. The Morasko and Coahuila II meteorite show a several mm-thick carbon- and phosphorous-rich...magnetic cohenite and nonmagnetic or magnetic schreibersite. At Morasko, these phases have a characteristic...Morasko and Coahuila II, Ni is enriched in schreibersite. The minerals have crystallized from immiscible...immiscibility was not reached. Independent of meteorite group and cooling history, the magnetic mineralogy...mineralogy (daubreelite, cohenite and/or schreibersite, magnetite) is very similar to the troilite (and transition |  | | Journal (article/letter/editorial) | | identification has elucidated many aspects of meteorite formation. Of particular interest are five phosphate...calcium- and aluminum-rich silicates in the Allende meteorite, a Type 1II carbonaceous chondrite which fell...(Mason, 1962), when I wrote an account of the meteorite minerals then recognized, see Table 1, the list...Diamond Graphite 'Y-(Fe,Ni) Cu C C Sulfur Schreibersite S (Fe,NihP Cohenite (Fe,Ni)3 C *Osbornite...following: diamond, Anders and Lipschutz (1966); schreibersite, Reed (1965); cohenite, Brett (1967); silica |  | | Journal (article/letter/editorial) | | the separation of the metal from the minerals Schreibersite and Cohenite, allowing determinations to be...preserved on heat-treating or forging of specific meteorite specimens, so in most cases recognition of altered...ablation and corrosion crust is different when the meteorite has been reheated by man (Rasgata specimens of...fissures may indicate that original troilite and schreibersite melted and sweated out during a late reheating...Mill), as do heavily fractured troilite and schreibersite (often, however, these are pre terrestrial features) |  | | Journal (article/letter/editorial) | | in five enstatite achondrites (aubrites); Norton County, ALH78113, Cumberland Falls, Bishopville and Mayo... and two enstatite chondrites (Happy Canyon and Abee) to investigate the relationship of their origin...neutron capture was firstly discovered in Norton County [10]. There are reports on isotopic measurements...2.1. Sample In this study, five aubrites (Norton County, ALH78113, Cumberland Falls, Bishopville and Mayo...and two enstatite chondrites (Happy Canyon: EL6; Abee: EH4) were used to determine the isotopic composition |  | | Journal (article/letter/editorial) | | Aubrites represent samples from a third enstatite meteorite parent body. 3. The aubrite parent body may have...Shallowater may be a sample from yet a fourth enstatite meteorite parent body. 6. Shallowater experienced a complex...reassembly. 7. It is unknown why some enstatite meteorite parent bodies melted (the aubrite and Shallowater...Tucson iron meteorite which had previously been thought to be related to the enstatite meteorite clan (Nehru...Kaczaral et al. (1988) suggested that all three meteorite types come from one parent body that was initially |  | Lorenzetti, S., Eugster, O., Busemann, H., Marti, K., Burbine, T.H., McCoy, T. (2003) History and origin of aubrites. Geochimica et Cosmochimica Acta, 67 (3) 557-571 doi:10.1016/s0016-7037(02)01085-2 | Journal (article/letter/editorial) | | enstatite chondrite Abee (Wacker, 1982). The cosmic ray exposure (CRE) age of Norton County, the first measured...measured stony meteorite (Begemann et al., 1957), yields the longest currently known exposure time of a...a stone meteorite. Gaffey et al. (1992) suggested a link between aubrites, nearEarth asteroid 3103, and...Shallowater meteorite also are indicative of regolith processes. Thermal neutron fluxes in Norton County and...g., Mason, 1962). The composition of metal, schreibersite, and perryite was studied by Wasson and Wai |  | | Journal (article/letter/editorial) | | Aubrites Shock effects Asteroidal parent bodies Meteorite breccias Impact melting Sinoite a b s t r a c...impact-melt globules and spherules. No single meteorite possesses all of these features, although many...% Si in EH4 Indarch kamacite; Keil, 1968), schreibersite, and sulfide phases containing some cations (Na...history (4.50–4.54 Ga ago); only one enstatite-rich meteorite (EH4 Bethune) appears to have been impact heated...Enstatite-chondrite impact-melt breccias and impact-melt rocks Abee is the prototypical enstatite-chondrite impact-melt |  | | Journal (article/letter/editorial) | | which the meteorites experienced. See ted. THE METEORITE CONCENTRATION MECHANISM AT ALLAN HILLS, ANTARCTICA...study of ice ablation and movement as related to meteorite finds. The triangulation chain is composed of...(upwelling) of the ice in the area of highest meteorite concentration approximately balances this yearly...centimeters on the east. Although the mechanism of meteorite transport and concentration is imperfectly understood...during incorporation of the inclusion into the meteorite. In one portion, there is a sharp contact between |  | | 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) | | most stable NRM in the enstatite chondrites. All meteorite samples, together with reference materials, and...literature values for some other EH4,5 chondrites (Abee from Baedecker and Wasson, 1975; Indarch, St. Marks...of the enstatite chondrites. Proportion (in %) Meteorite Co~ Ni¢ Ni-Co* Qingzhen (EH3) ALH84170 (EH3)...elements for b u l l enstatite chondrites, including Abee (EH4), Indarch (EH4), St. Marks (EH5), and St. Sauveur...chondrites. Lithophile Siderophile Chalcophile Meteorite Weathering type# Na mg/g Ca mg/g A1 mg/g |  | | Journal (article/letter/editorial) | | TREMORGIO (CANTON TICINO) AS A POSSIBLE QUARTERNARY METEORITE IMPACT CRATER IN THE SWISS ALPS Kurt Bachtiger...the author had, some years ago, the idea of a meteorite impact crater in the Quarternary, i.e. 20-50,000...some interpretations will be attempted. 171 K Meteorite Type (ppm) johnstown (whole rock) Di 853...Total Ar 39_Ar40 age (G.Y.) 4.38 4.07 maximum Meteorite minimum Bjurbole 4.12 3.46 3.96 3.98 1.62 ...determined Ag, Bi, Co, Cs, Ga, In, Se, Te, Tl and Zn in Abee samples heated at 700°C under 173 Ne at 10-3 |  | | Journal (article/letter/editorial) | | SENSITIVITY STABLE CARBON ISOTOPE ANALYSIS FOR METEORITE AND LUNAR STUDIES P.I. Abell, A.E. Fallick and...events which disturbed the U-Ph system. All these meteorite Ph isotope compositions, when corrected for the...phenomenon is not due to contamination of the meteorite samples by terrestrial lead. Further, the data...mineral fractions were isolated from the Murchison meteorite by a succession of chemical treatments and grain...have made a 117Rb·1l7Sr study in a number of meteorite classes,ranging from chondrites to iron meteorites |  | | Journal (article/letter/editorial) | | Melt rock samples have been examined from Brent (Canada. 3.8 km, 414 my). Saaksjarvi (Finland. 5 krn, 490...(France. 23 krn, 150-170 my) and East Clearwater (Canada. 23 km, 216 my). In all cases the melt rock bulk...689-690. SOME OBSERVATIONS ON THE MECHANISM OF METEORITE CONCENTRATION IN VICTORIA LAND. ANTARCTICA John...appeared to meet the established criteria for meteorite concentration. Since this field exhibited a step-like...ablation might not be of primary importance in meteorite accumulation. It is suggested that the Allan Hills |  | | Report (issue) | | Structural and compositional properties of iron meteorite groups ___________ The geochemical behavior of...ABBREVIATIONS The following abbreviations for the meteorite classes are used throughout the tables and elsewhere;...percent) ; all others (<0.01 percent). A list of meteorite minerals is provided, and a tabulation of elemental...minerals are quartz and aluminosilicates; the common meteorite minerals are anhydrous, whereas hydrated minerals...actual extraterrestrial abundances; irons dominate meteorite finds since they are resistant to weathering and |  | | Journal (article/letter/editorial) | | tektites, photographs, a: 864-855 Ablation rate iron meteorite “Thule”, 25: 98 Absolute abundance of the chromium...1085-1099 Norton County, 27: 939-947 Norton County, Br analysis, 29: 470 Norton County, Cl an&y&s, 22:...22: 478 Norton County, lanthanids pattern, 20: 242243, 244-245 Norton County, organic oompounds snalysed...snalysed, 27:805-834 Norton County, tantalum in, 29: 46 oxygen isotopes in minerals, 22: 492 Pasamonte, Ca isotopes...Bruderheim meteorite, 26: 6132 aubrite, Bishopville, 29: 1085-1099 cosmic-ray, Bruderheim meteorite, 26: 662 |  | | Catalog/List | | Front Cover: Gibeon mask — an incomparable iron meteorite (see lot 49079, page 62) Above: Foreground —...— the largest complete slice of the Abee meteorite (see lot 49116, page 90) Background — close-up of immense...alike. Meteorites are named after the closest city, county or geological feature in proximity to the place...solar system. It has been hypothesized that a meteorite not only led to the demise of the dinosaurs (providing...amino acids have been discovered in an Australian meteorite. How rare are meteorites? The entire mass of all |
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