 | | Journal (article/letter/editorial) | | PYROXENES IN THE PATWAR MESOSIDERITE:j: Peter W. Weigand * Univergity of California Log Angeleg, CA 90024...determined with the electron microprobe in pyroxene from Patwar, one of the least metamorphosed mesosiderites....fall in the range W02.3Enn to W03,9Ens9' while pigeonite from a basalt clast clusters around W013En38....support petrographic evidence that the silicates in Patwar were derived from a heterogeneous source. INTRODUCTION...mesosiderites and their relationship to other meteorite groups are still poorly understood. It appeared |  | | Journal (article/letter/editorial) | | Moore Co. feldspar 1.9-3.0 and 0.51; Moore Co. pigeonite 2.c2.9 and 0.078-0.35. The fission-track densities...Reis has the least radiogenic Sr yet seen in a meteorite (PAPANASTASSIOU,1970), and apparently crystallized...of radionuclides, etc.) were not met in this meteorite. and so nothing at all can be made of this negative...the Juvinas eucrite (SCHEINtN et a/.. 1974),a meteorite at most only a few million years younger than...data for augite, the principal mineral of this meteorite. FLEISCHER et al. (1970) found that only 70% of |  | Lal, D., Muralli, A.V., Rajan, R.S., Tamhane, A.S., Lorin, J.C., Pellas, P. (1968) Techniques for proper revelation and viewing of etch-tracks in meteoritic and terrestrial minerals. Earth and Planetary Science Letters, 5. 111-119 doi:10.1016/s0012-821x(68)80024-x | Journal (article/letter/editorial) | | develop fossil tracks of costa ic ray nuclei in Patwar enstatite using the molten NaOlt bath (210 °) or...known [8--I I ], e.g. enstatite and hypersthene in Patwar, bronzite in Andura, hypersth,~;ne in Johnstown...terrestriaJt ones (table I). In the ease o f mesosiderite Patwar, its mineralogy is not well studied. Mason [12]...study Duke [ 141 has observed a pigeonite-anorthite assemblage in Patwar. The results based o~1 a large...2 also contain information based on studies of Patwar. As was mentioned earlier, properly etched tracks |  | | Book | | METEORITE RESEARCH ASTROPHYSICS AND SPACE SCIENCE LIBRARY A SERIES OF BOOKS ON THE RECENT DEVELOPMENTS...Holland VOLUME 12 METEORITE RESEARCH PROCEEDINGS OF A SYMPOSIUM ON METEORITE RESEARCH HELD IN VIENNA...the publisher INTRODUCTION The Symposium 'Meteorite Research' was conceived originally at the second...need to strengthen international co-operation in meteorite research, asks that the International Atomic Energy...discussed ranged from the computer-assisted study of meteorite orbit statistics, through problems of composition |  | | Report (volume) | | Couison. Octahedral Pyrite Crystals from the Kohat District, North-West Frontier Province. By A. L. Couison...I I.—Fig. 1.—Tirupati Meteorite, (297), front view. Fig. 2.—Tirupati Meteorite, (297), back view. PLATE...—Bahjoi Meteorite, (175), before cutting (Photo : R. B. Connell). PLATE 16.—Fig. 1.—Bahjoi Meteorite, (175)...Fig. 2.—Bahjoi Meteorite, (175), back view. PLATE It.—Etched face of Bahjoi Meteorite, (175), x4-2. PLATE...PLATE 18.—Etched face of Bahjoi Meteorite, (175), x2*5. PLATE 16.—Fig. 1.—Oxtrm (Craxsostrea) gajensix |  | | Book | | resulted, their recovery, and the history of meteorite studies since the time when it was established...1.1. Thunderstones and the Origins of Modern Meteorite Research 1.2. The Early Nineteenth Century 1.3...Minerals Meteorite Falls and Associated Phenomena 2.1 Introduction 2.2. Non-Crater-Forming Meteorite Falls...Falls 2.2.1. The Phenomena of Meteorite Falls 2.2.2. The Scatter Ellipse 2.2.3. Morphology and the Fusion...2.2.4. Meteorite Recovery 2.2.5. Terrestrial Ages of Meteorite Finds 2.3. Explosive Meteorite Craters |  | | Report (Issue volume) | | the planet which our ancestors called Culmen, a meteorite, known to scientists under the name of Croix d’Honneur...end of him. Woe to the mortal on whose head the meteorite falls!” (p. 141-142). Les Mystéres de l'Infini...SPETTEL, and 3479 Contents, Volume COMPARATIVE Meteorite 3 PLANETOLOGY Studies Trace element evidence...Washington, D.C. 20008 R. A. WEEKS Solid State Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee...absorption spectra of a Ti*' fassaite from the Allende meteorite: A discussion. Amer. Mineral. 58, 955-961. Cohen |  | | Book (edition) | | prepared sections of meteorites Catalogue of meteorite craters 16 389 421 Catalogue of tektites in...Prior retired in 1927, and the main thrust of meteorite research in the Museum passed first to Dr. L....the nearest inhabited place to the actual site. Meteorite names are labels, of no intrinsic significance...distinct falls, and the accepted name for one meteorite may be a synonym of two or more others (for example...available they are included in the entry for that meteorite, for example Ni, Ga, Ge, Ir contents of irons |  | | Book | | taken from well below the surface of a large meteorite. Typical values of uranium concentrations and...located as close as possible to the outside of a meteorite. separately the ancient P u 2 4 4 / U 2 3 8 ratio...well below the outer surface of the Toluca iron meteorite, as indicated in figure 2(a). In all samples more...time since the beginning of the formation of meteorite parent bodies) and the cooling of phase / to the...intervals for the parent body of the Toluca iron meteorite to reach temperatures of 925°K, 725°K, and 535°K |  | | Report (Issue volume) | | Fe2 + on the M2 site (ADAMS, unpublished data). Pigeonite from the Pasamonte basaltic achondrite (DUKE and...(1970), for example, give ratios of augjte to pigeonite in single crystals (of rock 10003) of 4: 1, 7:...Curve D comes from a search for monopoles in a meteorite (PETUKHOV and YAKIMENKO, 1963). Curve E corresponds...use of electro1nagnetic techniques. In Physics Division Sen1iannual Report, UCRL-11466, Oct. 1964 (unpublished)...vesicular basalt and of the enstatite achondrite meteorite Khor Temiki. For the ordinate scale see Fig. 3 |
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