 | Yang, Jingsui, Meng, Fancong, Xu, Xiangzhen, Robinson, Paul T., Dilek, Yildirim, Makeyev, Alexander B., Wirth, Richard, Wiedenbeck, Michael, Cliff, John (2015) Diamonds, native elements and metal alloys from chromitites of the Ray-Iz ophiolite of the Polar Urals. Gondwana Research, 27 (2) 459-485 doi:10.1016/j.gr.2014.07.004 | Journal (article/letter/editorial) | | Earth Science, Miami University, Oxford, OH 45056, USA Institute of Geology, Komi Scientific Center, Ural...occur. These minerals are accompanied by oxides (wüstite, periclase, eskolaite, rutile, baddeleyite, ilmenite...funnel-shaped body, about 20 × 30 km, with an outcrop area of ~ 380 km2, and forms a south-dipping thrust sheet...analyses were performed by scanning a pre-selected area, thus avoiding mass loss. The sample was tilted...diffraction data of nanocrystals were acquired as selected area diffraction (SAED) images or derived from high-resolution |  | Trumbull, Robert B., Yang, Jing-Sui, Robinson, Paul T., Di Pierro, Simonpietro, Vennemann, Torsten, Wiedenbeck, Michael (2009) The carbon isotope composition of natural SiC (moissanite) from the Earth’s mantle: New discoveries from ophiolites. Lithos, 113 (3) 612-620 doi:10.1016/j.lithos.2009.06.033 | Journal (article/letter/editorial) | | 1906), who reported SiC grains in the Canyon Diablo meteorite (Moissan, 1904). Although listed as “doubtful...or incompletely described” in an overview of meteorite mineralogy by Mason (1967), moissanite has since...some moissanite is attested by its occurrence at meteorite impact craters (Ries: Hough et al., 1995; Berringer...have formed at fO2 conditions around the iron–wüstite (IW) buffer (Jacob et al., 2004). The redox stability...orders of magnitude lower than that of the iron– wüstite buffer. Ulmer et al. (1998) found no important |  | | Journal (article/letter/editorial) | | 5251 Broad Branch Road, N.W., Washington, DC 20015, USA c LSPES, Université de Lille I, Bât. C6, 59565, Villeneuve...fugacity conditions were ~ 2 log units below the iron-wüstite buffer. Scanning electron microscopy observations...respectively) and a natural cohenite from the Canyon Diablo meteorite (6.7 wt.% carbon). The systematic analysis...(2007) between solid iron metal and wüstite. Both olivine and wüstite occur in the Earth's mantle at different...°C Δ57Femetal–olivine = 0.025‰ and Δ57Femetal–wüstite = 0.005‰. Given the uncertainty of our determination |  | | Journal (article/letter/editorial) | | OF THE METALLIC PHASES IN THE ALMAHATA SITTA METEORITE (FRAGMENT#051). Y. A. Abdu1, A. M. Gismelseed2...Khartoum, Sudan. Introduction: The Almahata Sitta meteorite fall was unique because asteroid 2008 TC3, the...by a strong magnetic sextet (relative absorption area = 77%) with a magnetic hyperfine field of 33.4 T...particles, the sextet assigned to taenite has a relative area of 13%, and will therefore give more reliable Mössbauer...Washington, 5241 Broad Branch Road, Washington, DC20015, USA (*calexander@carnegiescience.edu), 2Dept. Geophysical |  | | 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...different when various spectral parameters such as band area ratio (BAR) and band centers are identified and...University of New Mexico, Albuquerque, New Mexico 87131, USA. E-mail: abreu@unm.edu Introduction: Although some |  | | Journal (article/letter/editorial) | | exceeding 12 km/sec, have been intensely studied. A crater develops during intense t h e r m a l detonation...t a n t a n e o u s l y released over a limited area of t h e E a r t h ' s surface or close to the surface...At t h e present time, about 80 ancient impact crater-astroblemes have been recognized on t h e surface...r e n d of changes in the original rocks during crater formation, which leads to a change in t h e energy...processes during t h e formation of a n impact crater includes several stages (table 1), which partially |  | | Journal (article/letter/editorial) | | 06459 USA (kabe01@wesleyan.edu) 2Dept. of Astronomy, Wesleyan University, Middletown, CT 06459 USA. Introduction:...& Space Sci., UCLA, Los Angeles, CA 90095-1567, USA, 5 ICMMO, CNRS UMR 8182, Univ. Paris-Saclay, 91405...Carporzen, L. et al. (2011) Proc. Natl. Acad. Sci. USA 108:6386–6389. [2] Elkins-Tanton, L. T., Weiss, B...Budde, G. & Kleine, T. (2017) Proc. Natl. Acad. Sci. USA 114:6712–6716. [5] Usui, T., Jones, J. H. & Mittlefehldt...5241 Broad Branch Road, NW, Washington, DC 20015, USA (calexander@carnegiescience.edu). Introduction: The |  | | Book | | CB2 1 RP 40 West 20th Street, New York, NY 10011, USA 10 Stamford Road, Oakleigh, Melbourne 3166, Australia...Structures 4.1.2. The Cratering Process 4.1.3. Crater Frequency and Bombardment History 4.1.4. Geological...water depth into regolith (cm) equivalent surface area ratio electron volt factor of safety ferromagnetic...Rc SCR σ Unit specific gravity specific surface area static allowable bearing capacity static ultimate...Goddard Space Flight Center, Greenbelt, Maryland 20771 USA. The database includes images, reports, and geophysical |  | | Book (edition) | | held visiting professorships at universities in the USA, Australia, and Japan. He has been President of the...proportional to A, its radius to A1/3 , and its surface area to A2/3 . The first term on the right-hand side...as meteorites (achondrites). Another type of meteorite, known as a chondrite, has no terrestrial equivalent...the Canyon Diablo Troilite (CDT). Troilite (FeS) is a sulfide found as large blebs in the Canyon Diablo...Diablo iron meteorite, which excavated Meteor Crater in Arizona. After evidence was found that CDT was not |  | | Book | | more abundant elements. For example, a considerable area in Australia that had conditions of soil, moisture...times the amount considered "normal" in a given area if supplied with not just an "adequate" quantity...Authorities do not agree. Children brought up in an area where water contains 5-10 ppm F may develop brown...data per se, give the integrated resonance capture area, subject to scattering and self-shielding corrections...resonance. Once the individual resonance capture area results have been obtained they are averaged over |  | | Book | | much of the research has been conducted in this area), but also those from wall paintings, decorative...Kongsberg, Norway, as well as Magnet Cove (Arkansas, USA), Illimaussaq (Greenland) and Kola Peninsula (Russia)...metamorphic schists, particularly at Amelia, Virigina, USA and Bourg d’Oisans and Isère, France. The occurrence...locations, notably the West Indies, central and southern USA and Asia. Although widely known for medicinal properties...deposits are known from south-east Asia, Mexico, USA, Canada, Romania, Germany and a few localities in |  | | Book | | attested in the organic contents of the Murchison meteorite [156, 704], but their concentration is more limited...early Archean greenstones from the Cleaverville area of Western Australia [740] is that between about...another way to incorporate Fe3+ into the first site. wüstite Fe2+ O2− . Ferrous oxide. Because it is both reduced...it is a stable component in the lower mantle. Wüstite is one member in an important coexistence curve...solid solution with end members periclase and wüstite. Ferropericlase in the mantle may incorporate as |  | | Book | | attested in the organic contents of the Murchison meteorite [156, 704], but their concentration is more limited...early Archean greenstones from the Cleaverville area of Western Australia [740] is that between about...another way to incorporate Fe3+ into the first site. wüstite Fe2+ O2− . Ferrous oxide. Because it is both reduced...it is a stable component in the lower mantle. Wüstite is one member in an important coexistence curve...solid solution with end members periclase and wüstite. Ferropericlase in the mantle may incorporate as |  | | Book (edition) | | Corporate Drive, Suite 400, Burlington, MA 01803, USA Copyright © 2008 Nicholas Eastaugh, Valentine Walsh...much of the research has been conducted in this area), but also those from wall paintings, decorative...Kongsberg, Norway, as well as Magnet Cove (Arkansas, USA), Illimaussaq (Greenland) and Kola Peninsula (Russia)...metamorphic schists, particularly at Amelia, Virigina, USA and Bourg d’Oisans and Isère, France. The occurrence...locations, notably the West Indies, central and southern USA and Asia. Although widely known for medicinal properties |
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