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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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| THE ADELAIDE METEORITE R. Davy* and S.G. Whitehead Australian Mineral Development Laboratories (A mdel)...Frewville, South Australia 5063 G. Pitt Department ofMines Greenhill Road, Eastwood, South Australia 5063...analysis of the newlydiscovered Adelaide meteorite is given. This meteorite is a C2 chondrite with C3 affinities...affinities. However, the meteorite is unlike both C2 and C3 chondrites in having a CalAI ratio of 0.47. The...closer to the Vigarno than the Ornans subtype. The meteorite is unusual in that it contains primary magnetite |
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| 1994 Introduction Before 1990, meteorites like Karoonda, Mulga (West), Coolidge and several others from...pyroxenes (Fs&. (3) Presence of heterogeneous plagioclase varying compositionally between Anzo and An,...experimental methods Polished thin sections of Karoonda, Mulga (West), Maralinga, Watson 002, Cook 003...al. (1991). Based on the description of this meteorite given in Rubin et al. (1988) we cannot recognize...parageneses in CK chondrites. All data in vol.% Meteorite Karoonda Mulga (West) Marahnga Cook 003 Watson 002 |
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| Nakamura and N. Nakamura Structural state of plagioclase from the Kobe CK chondrite: Implications for...the structural state of six plagioclase crystals from the Kobe meteorite by measuring the separation...Gandolfi camera. The formation temperature of each plagioclase crystal was then estimated by plotting the Δ131...between the Δ131 parameters and temperatures of plagioclase synthesis, as proposed by Smith (1972). Three...representing the crystallization temperature of plagioclase, and the highest recorded temperature is thought |
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| analyzing a thin section of the NWA 6604 CK4 meteorite, only altered chondrules and various components...above. During the third phase, only Ca-rich plagioclase crystallized along thin veins, and in a fourth...possible case models should be considered for this meteorite: alteration by purely impact-driven processes...type carbonaceous chondrite is presented. This meteorite was purchased at a market in Morocco as a 605...7.5 (9–29). As the petrological type of this meteorite specimen is 4, it suffered a low level of alteration |
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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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| detail in only a few stony meteorites,be- each meteorite individually, even though each causewith earlier...Bluff Boerne 1V[.Kinney Mt. Morris, Wisconsin Murray New Concord Ochansk Bonita Spring Olivenza in...pend on the sulfur and oxygen contents of the meteorite. A higher content of sulfur or oxygen With few...phase of stony meteorites, and minor amounts of plagioclase. Other minerals, Neumann lines are uncommon...Si,, which are absent,from other parts of this meteorite. On rare occasionsgraphite forms well-devel- |
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| et al. (2006), there is a common assumption in meteorite taxonomy that all meteorites in the same group...standards. The precision (1r) quoted for individual meteorite samples analyzed in this study is based on replicate...Fe–Mg silicates are mid-grey, dark areas are plagioclase rich. The magnetite-rich object to the right...grain is enclosed by a rim of plagioclase (dark grains). (g) Karoonda (CK4 fall) type I porphyritic olivine... 1991). Dark areas within the chondrule are plagioclase, bright areas are magnetite. (h) Altered CAI |
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| alteredcomposition. Udei Station appearsto be a IAB meteorite even though its FeO/(FeO + MgO) ratio is slightly...slightly above the IAB tield. The highly weathered meteorite Tierra Blanca is closely related to IAB but has...lNTRODIJCIlON roxene, minor (- 10%) albitic plagioclase) and high contents of planetary-type primordial...of an incomplete sam- signed to the IAB iron meteorite group, its silicate inclusions are more oxidized...rs?ncobbin CumberlandPalls (chon) enon Krkmgari Karoonda LOdIM Nstschaevo ImnaIIO Suwahib (Bmak) Ticrre |
 | Ward, Dustin, Bischoff, Addi, Roszjar, Julia, Berndt, Jasper, Whitehouse, Martin J. (2017) Trace element inventory of meteoritic Ca-phosphates. American Mineralogist, 102 (9) 1856-1880 doi:10.2138/am-2017-6056 | Journal (article/letter/editorial) |
| mesosiderites, and 1 silicate-bearing IAB iron meteorite. Although Ca-phosphates predominantly form in...this uniformity within single samples, distinct meteorite groups do not necessarily have unique REE-patterns...(mesosiderites, enriched shergottites, IAB-iron meteorite); (3) LREE-enriched patterns, with either positive...sensitive indicator to evaluate the timing of plagioclase and phosphate crystallization. Based on our data...Ca-phosphates are only accessory phases in numerous meteorite classes, they are ubiquitous and represent the |
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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...with 27A1/24Mg in anorthite from the Allende meteorite (Lee et al., I977a , b); Hutcheon et al., I977;...carbonaceous chondrites; however, mixtures of several meteorite types are more plausible than just a single type...12; normalized to log H = 12; log atomic, b. CI meteorite; log atomic normalized to log Mg + log Si = 15 |
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| thana century ago. Today more than ahundred known meteorite craters suggest that the earth underwent intense...which the scientific community came to recognize meteorite craters and comprehend their significance. Controversy...sites, such as the Bushveld Igneous Complex in South Africa, remains acontroversy to this day. Although...Although accounts of the recognition of meteorite craters have been scattered throughout the scientific literature...offered a non-technical history of the subject. Meteorite Craters unfolds the story of these scientific |
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| cover Barred olivine chondrule from the Allende meteorite, in transmitted light. The chondrule is surrounded... . . . . . . . . 29 6.5 Analysis of Plagioclase Grains from Lunar Highland Rocks . . . ..... . . . . . . . . . . 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 |
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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...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...1- 1500 020406080 o 20 40 60 SOwn iron meteorite Mundrabilla (Bajt et al., 1990). Absolute calibration |
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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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| 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 |
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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...centre. Examples are most important minerals like plagioclase, microcline (7 Sect. 11.6.2), kyanite (. Fig...fourfold rotary inversion axis in c. Example: the meteorite mineral schreibersite (Fe,Ni)3P. 5 4/m, tetr.-dipyramidal: |
