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| TIBOOBURRA, A NEW AUSTRALIAN METEORITE FIND, AND OTHER CARBONACEOUS CHONDRITES OF HIGH PETROLOGIC GRADE...University ofAdelaide G.P.O. Box 498. Adelaide, South Australia. 5001 A.L.Jaques Bureau ofMineral Resources...Tibooburra, a new meteoritefindfrom western New South Wales, belongs to the Yigarano subgroup ofthe carbonaceous...Petrological evidence suggests that. like the Allende meteorite. Tibooburra is a CV3 chondrite which has experienced...several other CV chondrites, such as Coolidge and Karoonda, which have been strongly metamorphosed. This |
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| A77307, Adelaide, Al Rais, Coolidge, Grosnaja, Karoonda and Renazzo) with uncertain classifications were...of these chondritea (A77307. Adelaide. Al-Ra& Karoonda and Ret&o) are &i&e ‘grouplets’, not closely related...fractionation line indicate that this is plausible. Karoonda has refractory lithophile abundances _ 1.2 1 X...A77307, Adelaide, Al Rais, Coolidge, Grosnaja, Karoonda and Renazzo for 29 elements by instrumental and...reported XRF analyses for major and minor elements in Karoonda. Previously published trace-element data are mainly |
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| Ornans. Land. lsna. Warrenton. Assignment of Karoonda to the Ornans subtype is uncertain, but it is...metamorphism, but the effects are small. The meteorite Ornans presents an intriguing paradox. Observed...suggests these may be the most abundant of all meteorite types in the asteroid belt (CHAPMAN. 1976). Four...chondrite. Karoonda. appears to have properties of both the Ornans and Vigarano subtypes. Karoonda was unclassified...the C3(0) group by CLARKEer nl. (19701. This meteorite has been examined in the present study to determine |
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| ' 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...of excess 26Mg with 27A1/24Mg in anorthite from the Allende meteorite (Lee et al., I977a , b); Hutcheon...1977 ) are consistent with crystallization of anorthite from aluminium enriched in nucleosynthetic 26A1...carbonaceous chondrites; however, mixtures of several meteorite types are more plausible than just a single type |
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| Meteorites, Ice, and Antarctica Bill Cassidy led meteorite recovery expeditions in the Antarctic for 15 years...searches resulted in the collection of thousands of meteorite specimens from the ice. This fascinating story...and speculating on its significance 227 10 Meteorite stranding surfaces and the ice sheet 274 11...(Antarctic Search for Meteorites) program of meteorite collection in Antarctica and its importance for... The subsequent discovery of several hundred meteorite samples by another Japanese team proved the point |
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| cover Barred olivine chondrule from the Allende meteorite, in transmitted light. The chondrule is surrounded.... . . . . . . . . . . 8.1 Hyde Park, South Chicago . . . . . . . . . . . . . ...wiegen, zu zersetzen, was der Außenwelt angehört. (Meteorite stones provide us with the only possibility of...I retired from the university and joined the meteorite group at the Senckenberg Research Institute in...first ultra-refractory inclusion in the Ornans meteorite. GEOCHEMICAL PERSPECTIVES | H E R B E R T PA |
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| 4f secondary ion mass spectrometer. For each meteorite, five to fifteen particles ofabout 30-50 ~m in...terrestrial olivine samples and most data of the meteorite samples plotted near the normal mass fractionation...isotopic measurements of Mg-spiked (1000 ppm) anorthite glasses (I). (,"Mg (0/00) ± 2um Sample Gravimetric'...heavy nitrogen (1, 2). Stepped combustion of the meteorite shows that the release profile of the carbon and...period comets. PIXE measurements on the iron meteorite Mundrabilla. S. Bajt' and K. L. Rasmussen.' 'Max |
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| Science Tunis, Tunisia, 4 Meteorite Laboratory Lehmweg Gifhorn, Germany, 5 Meteorite Recon Mühlendamm Hamburg...calculation of meteorite flux is possible [4]. Following previous estimation of meteorite flux based on...structures in the alluvial fan, or the result of a meteorite shower. Their age, whatever the event is, is very...ANALYSIS (INAA) FOR ELEMENTAL COMPOSITION OF FRESH METEORITE FALL IN ORISSA, INDIA (2003). B. Adur, H.B. Mali...there were rains of the meteorite shower. Results: - A sample of the meteorite which fell in Purva Suniti |
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| Geological Sciences University of Cape Town Rondebosch, South Africa ISSN 2510-1307 ISSN 2510-1315 (electronic)...Mouginis-Mark (Honolulu), Andrea Murphy (Adelaide, Australia), Martin Pfleghaar (Heidelberg), Cornelia Schmitt-Riegraf...Seckendorff (Würzburg), Denis Smith (Adelaide, Australia), Wilhelm Stürmer (Erlangen), Ekkehart Tillmanns...fourfold rotary inversion axis in c. Example: the meteorite mineral schreibersite (Fe,Ni)3P. 5 4/m, tetr.-dipyramidal:...with the end members albite, Na[AlSi3O8], and anorthite, Ca[Al2Si2O8], in which the valence adjustment |
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| sharp, but irregular interfaces with the host meteorite and have characteristics which suggest that formed...from hot deserts. The 26AI concentration in a meteorite depends upon different parameter like the exposure...analyzed sample and the terrestrial age of the meteorite. Our data contributes to the understanding of...production rate characteristic for the corresponding meteorite class. We do not find extremely low 26AI concentrations...order to reconstruct the irradiation history of a meteorite in detail, it is essential to analyze other cosmogenic |
