 | | Journal (article/letter/editorial) | | investigation of thin sections of a fragment of this meteorite, illustrated with eight drawings indicating peculiarities...it may be inferred that the grey silicate is enstatite, the colourless silicate is peridot. It is hardly...a black enamel, while the grey powder of the meteorite, when moistened with distilled water, reacts distinctly...by whom it was undertaken, finds the Knyahinya meteorite to have the following composition :— Nickel-iron...according to Damours's analysis, constitutes the meteorite of Chassigny (1815, October 3rd), and occurs as |  | | Journal (article/letter/editorial) | | CARLETON B. MOORE and CHARLES F. LEWIS Center for Meteorite Studies, Arizona State University, Tempe, Arizona... C-4) carbonaceoue chondrites. The Vigamno and Ornans subgroups of the C-3 chondrites have differences...10 per cent. Different samples from the same meteorite often showed greater variations indicating a degree...nitrogen abundances in carbonaceous Carbon ( %) Meteorite Source/or Reference* Replicates (This work)...Horiskino Cold Bokkeveld Erakot, Mighei chondrites Ornans sub-group Felix chondrites sub-group 3280, 3090 |  | | Journal (article/letter/editorial) | | A. + .oo Chondrules and matrix in the Ornans CO3 meteorite: Possible precursor components Institute...components, we analyzed chondrules separated from Ornans, the prototypical CO3 chondrite. On the basis of...matrix sample was acquired by sieving the crushed Ornans powder a&er removal of the chondrules. No microprobe...Biochemistry. 425 Table 1. Mean compositions Ornans chondrules. xn mol%. chd txt pta SiO2 Data...KING (1978) measured the apparent diameters of Ornans chondrules in thin section and found a mean of |  | | Journal (article/letter/editorial) | | Ca–Alrich inclusions (CAi) of several meteorites (Ornans, Davis 1984, Davis and Hinton 1985; Murchison,...reported in the Ca–Al-rich inclusion of the Allende meteorite, where a new clinopyroxene named davisite (CaScAlSiO6)...perovskites (Ma and Rossmann 2009a). The Allende meteorite, in particular, contains some minerals extremely...to 56 % occupancy) are reported from chondrites: Ornans, (Davis 1984; Davis and Hinton 1985), Murchison...davisite, has been found in a CAi of the Allende meteorite (Ma and Rossman 2009a). Davisite is isostructural |  | | Journal (article/letter/editorial) | | chemical composition, mineralogy, genesis of meteorite. DOI: 10.1134/S0016702912010065 INTRODUCTION...stan fieldite [18–20]. The radiation age of this meteorite of 78 ± 7 Ma coincides with the age of other ironstony...RNZ, glasses of the amoebalike inclusion in the Ornans CO chondrite [50–52], inclusions BB110, SH2...lower than in iron meteorites (0.4–0.7 wt %) and enstatite and ordinary chondrites (0.3–1.3 wt %) [42]. The...composition of opaque minerals and petrography of this meteorite [26]. lithophile elements in the fragments could |  | | Journal (article/letter/editorial) | | whether it is the fused crust usually noticed on a meteorite. The crystals of felspar, which, according to...are very readily reduced to powder, as the Ornans meteorite (1868, July 11th), while that which fell at...at a spot about 30 rods distant from her. The meteorite entered the hard soil to a depth of two feet,...figure, with a flat base, and resembles the Durala meteorite (1815, February 18th) preserved in the British...which would perhaps now be more correctly termed enstatite. The rounded globules are bluish-grey, rarely |  | | Journal (issue) | | University of Leeds, UK Janne Blichert-Toft ENS Lyon, France Don Canfield University of Southern Denmark,...cover Barred olivine chondrule from the Allende meteorite, in transmitted light. The chondrule is surrounded...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...the first ultra-refractory inclusion in the Ornans meteorite. GEOCHEMICAL PERSPECTIVES | H E R B E R T |  | | Book | | past decade. More discoveries will follow as meteorite hunters (scientists and amateurs) continue to...assistance of many people. Scientists, collectors, meteorite dealers and hunters the world over responded enthusiastically...to the subject and a field guide to specific meteorite types. Lastly and certainly not least of all we............................................... Meteorite Surface Features ........................................................................ 84 Enstatite Chondrites .................................. |  | | Book | | 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...realization in the early 1970s that there are natural meteorite concentration mechanisms at work there. There |  | | Book | | discuss recent evidence from the “84001 Martian meteorite,” which has raised provocative new questions...Wainwright at Gerzeh in Egypt. tions observed meteorite falls, collected the debris and wrote accounts...accounts of the events. The oldest known record of a meteorite fall comes from around 4000 years ago in Phrygia...Roman historian Titius Livius, the celebrated meteorite at Phrygia was later transported in royal procession...earliest names for meteoritic iron. The word meteorite comes from the ancient Greek meteoros, meaning |  | | Book | | Chondrites and Their Counterpart Asteroids 6 7 2.3 Enstatite Chondrites and Their Counterpart Asteroids 77...Water-Rich Small Bodies 390 6.5 Primitive Asteroid-Meteorite Matches 394 6.6 Implications for Exploration of...Pierre et Marie Curie, Universite Paris Diderot, France Neyda M. Abreu The Pennsylvania University, DuBois...Pierre et Marie Curie, Universite Paris Diderot, France Christine M. Hartzell University of Maryland,...Pierre Beck Institut Universitaire de France, Grenoble, France Edward B. Bierhaus CO, United States |  | | Book | | in carbonaceous, unequilibrated ordinary, and enstatite chondrites with concentrations ranging up to ...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...Studies of SiC X grains isolated from the Qingzhen enstatite chondrite (Lin et al., 2002) suggest that there...chondrites is ,1%, it is only ,0.1% in SiC from the enstatite chondrites Indarch and Qingzhen (Besmehn and Hoppe |  | | Book | | Meteorites and Meteorite Hunters O. Richard Norton Illustrated by Dorothy S. Norton Mountain Press...O. Richard. Rocks from space : meteorites and meteorite hunters / O. Richard Norton ; illustrated by Dorothy...Meteorites 5. Meteorite Showers 6. Two Great Siberian Meteorite Falls 7. America's Great Meteorite Crater 8...Ill 131 Part ll - what is a Meteorite? 9. How to Recognize a Meteorite 10. Chondrites-The Common Stony...Mantles of Planets 157 175 201 215 235 Part ill - Meteorite Hunters 14. The Great Meteorites—Their Discovery |  | | Book (edition) | | nepheline-leucite-silica Field evidence regarding nepheline Enstatite and feldspathoids Sodalite, cancrinite, analcime...Fell, Cumberland 15. Map of the Querigut granite, France 16. Map of the Palabora complex, Transvaal 17....) 2 NaAl(SiO,) 2 NaFe(SiO.,) 2 LiAl(SiO.,) 2 Enstatite Ferrosilite Rhodonite Diopside Hedenbergite Jadeite...Orthopyroxene or Hypersthene serie.s, ranging'. from enstatite to ferrosilite. A little manganese may be present...manganese makes the structure triclinic. The enstatite -and the hypersthene ordinarily found in rocks |  | | Book (edition) | | Orthopyroxenc or Hypersthene series, ranging from enstatite to ferrosilite. A little manganese may be preThe...much manganese makes the structure triclinic. enstatite and the hypersthene ordinarily found in rocks...transform into monoclinic varieties known as clino-enstatite and clino-hypersthene these are rarelv found in...accompany it. The C. in 1907, series is A Enstatite-Angite series, so named by W. Wahl includes...feature of this series that as the content of enstatite increases the optic axial angle diminishes to |  | | Book | | fourfold rotary inversion axis in c. Example: the meteorite mineral schreibersite (Fe,Ni)3P. 5 4/m, tetr.-dipyramidal:... . Fig. 4.6 Cosmic nickeliron, (Fe,Ni). Iron meteorite (octahedrite) from Joe Wright Mountain, Arkansas...(7 Chap. 31; 7 Sect. 32.2). The biggest iron meteorite so far known has a weight of about 60 t and is...microdiamonds are found in meteorite craters where, due to the impact of a big meteorite, the adjacent country... first recorded by Foote (1891), in the iron meteorite of Canyon Diablo, Arizona. Many of these diamonds | | | Book | | in carbonaceous, unequilibrated ordinary, and enstatite chondrites with concentrations ranging up to ...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...Studies of SiC X grains isolated from the Qingzhen enstatite chondrite (Lin et al., 2002) suggest that there...chondrites is ,1%, it is only ,0.1% in SiC from the enstatite chondrites Indarch and Qingzhen (Besmehn and Hoppe |
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