 | | Journal (article/letter/editorial) | | olivines (Bell et al., 1975). Among chondritic the spinel structure and are topotactically related meteorites...seems to have been 'expelled' from the netite-like spinel produced in olivine by experimenolivine of the...observations were like in {I I I} planes of the spinel structure. Misfit made, by high-voltage transmission...directions of which two Beaver Creek, H4, BM 73646; Allegan, H5, BM common ones are [OLO] and [ooI] of the...of precipitate are: localized trails found in Allegan (fig. 2) and Butsura, have given of particles, |  | | Journal (article/letter/editorial) | | different techniques have been used recently to study meteorite samples, in order to improve our knowledge on...Chondritesstudied H3 H4 H5 BremerviSrde Beaver Creek Allegan Tieschitz Guenie Ambapur Nagla Menow Sena Quenggouk...Unfortunately, their composition is not similar to meteorite chondrules but to Apollo XII basalt so that pyroxene...specimens, are reduced to stretching (Bremervorde, Allegan, Fig. 21) and scratching (Ste. Marguerite, Fig...is less pronounced than in Ambapur kamacite in Allegan. X 2500. Fig. 20. Dendritic kamacite (arrow) growing |  | | Journal (article/letter/editorial) | | reported on here, are firmly intergrown with the meteorite matrix; feldspar is the binding mineral. Since...caused the welding of many chondrules with the meteorite matrix is also discussed. According to the author’s...further if transitions between chromite, chrome spinel, and chromian spinels were taken into consideration...aggregated chromite, such as that in the Estacado meteorite (Fig. 3). The resemblanoe to large chromite aggregates...Christmas-tree-like skeletons, such as in the Salisbury meteorite (Fig. 5). A more oommon texture, however, is the |  | | Book | | Mineralogy of Michigan by E. W. Heinrich updated and revised • by George W. Robinson M By E W~ Hellnr]ch...Museum Michigan Technological University Houghton, Michigan 49931 2004 © MINERALOGY OF MICHIGAN 3 FOREWORD...FOREWORD Michigan has a long and varied geologic history that includes repeated episodes of volcanism...before the first Europeans set foot here. When Michigan became a state in 1837, one of the first actions...and we continue to learn more about them today. Michigan minerals helped to build the state and nation |  | | Book | | A Looking into "empty space" 1. Fall of a meteorite in a field 4. 5. 6. 7. 8. 9. 10. 11. 12...22. 23. 24. 25. 26. Frontispiece falling meteorite I. 3. I 4 5 Meteoric stone, New Concord,...stones of Holbrook, Arizona, meteorite Meteoric stone, Allegan, Michigan Meteoric iron, Mazapil, Mexico...of a portion of the moon's surface Fall of a meteorite at Montpreis, Styria Meteoric iron, Casas Grandes...20 21 22 2,4 26 27 28 . . . .... Iron meteorite, Owens Valley, California Polished slice of Cumberland |  | | Journal (issue) | | Dean o f the School o f Arts & Sciences Centra/ Michigan University The M icrostructure of Precious O...Bowie, Md. VANADINITE from the Apache Mine, Gila County, Arizona. The largest crystals in the group are...R RIVA LS' L IST IN G HARRY SERING 1705 EAST MICHIGAN ST. INDIANAPOLIS, INDIANA COM PLETE S A T IS...to Crystal Geometry, by Martin J. Buerger, McGraw Hill, New York, 1971, 204 pp., ($12.50) When the author...Lafayette County, southern Wisconsin, continued on page 284 5. Marcasite, Shullsburg, Lafayette County, Wisconsin |  | | Journal (article/letter/editorial) | | NASA Johnson Space Center, Houston, Texas 77058, USA. 2Department of Space Studies, University of North...North Dakota, Grand Forks, North Dakota 58202, USA Introduction: There are currently five known groups of...due to the presence of pyroxene. Some of these meteorite types have spectra that are quite similar, but...University of New Mexico, Albuquerque, New Mexico 87131, USA. E-mail: abreu@unm.edu Introduction: Although some...A13 © The Meteoritical Society, 2006. Printed in USA. A14 69th Meeting of the Meteoritical Society: |  | | Report (volume) | | Bulletins, nos. 10-12. Hartford, Conn. Delaware County Institute of Science: Proceedings, vol. 3, nos...Mitchell Scientific Society: Journal, vol. 24. Chapel Hill, N. C. Engineering and Mining Journal, vols. 85...26. Mexico, D. F. Michigan Academy of Science: Tenth Report. Lansing, Mich. Michigan Miner, vol. 10. Saginaw...Saginaw, Mich. Michigan State Board of Geological Survey: Report for 1907. Lansing, Mich. Mineral Collector...and Economic Survey: Bulletins nos. 16, 17. Chapel Hill, N. C. Nova Scotia Mining Society: Journal, vols |  | | Book (volume) | | read 99.72. 345 23, down for Goat Hill read Great Hill. 80 read 81 3313 Colusite,for Cu3(Sn,Te...in the third StiUweU, Crystal Chemistry, McGraw-Hill Book Co., New York, 1938. R. C. Introduction to...simple oxides. In the multiple oxides (such as spinel) or multiple sulfides (here called primarily, and...V . {hnkJn), then from equation 5 . — X2) — hill hhix'i = hih x'o . = — x' h [7] , jp'o...annotation to the reference for one part of In the spinel description, the text may be different from that |  | | Journal (volume) | | ULTIMATE BasIS OF CORRELATION. Chrowder Chamberlin ThomaS .... The Bearing of the Stratigraphic History..... Petrology of the South Carolina Granites. Thomas Leonard Wat- ...... ....... ............ Eleventh...Brazil DAVID WILLIAM H. HOBBS University of Michigan Australia CHICAGO AND NEW YORK WiLLiAU Wesley...hornblende, scapolite, epidote, garnet, sphene, spinel, zircon, tourmaline, pyrrhotite, pyrite, molybdenite...in the Calvert formation as exposed on Good Hope Hill which is situated in the District of Columbia |  | | Book (edition) | | 119 118 Garnet. Trapezohedron and Octahedron Spinel. Octahedron and Trapezohedron Dodecahedron and...twinning is illustrated 397 Spinel Rutile Phillipsite spinel (Fig 398), since 5 X 70 32' = 360...especially common with the spinel group of minerals, and is hence called in general a spinel-twin. to designate...to be noted. Fig. 410 is a twin of the ordinary spinel type of another tetrahedral species, sphalerite;...such twins also be a twinningface The may 6(101) spinel-twins. been noted. plane and other rarer types |
|
