 | McKibbin, Seann J., Pittarello, Lidia, Makarona, Christina, Hamann, Christopher, Hecht, Lutz, Chernonozhkin, Stepan M., Goderis, Steven, Claeys, Philippe (2019) Petrogenesis of main group pallasite meteorites based on relationships among texture, mineralogy, and geochemistry. Meteoritics & Planetary Science, 54 (11) 2814-2844 doi:10.1111/maps.13392 | Journal (article/letter/editorial) |
| represent mixtures of core and mantle materials, but the environment of formation is poorly understood, with...characteristics, and present new observations on the low-MnO pallasite Brahin that contains abundant fragmental...phosphide liquid immiscibility. A reassessment of the literature shows that low-MnO and high-FeO subgroups...low-temperature P2O5-rich phases such as the Mg-phosphate farringtonite and phosphoran olivine. These phases...phosphorus and chromium. Farringtonite and phosphoran olivine have not been found in the common subgroup PMG |
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| com/locate/gca An experimental investigation into the metastable formation of phosphoran olivine and pyroxene...2009; available online 11 December 2009 Abstract The formation of phosphoran olivine by crystallization...surrounding normal, phosphorus-free olivine grains. The crystallization pathways that form phosphoran olivine...Removal of the P and equilibration of the olivine however requires weeks to months in the presence of...generated and up to 69% of the Si tetrahedral sites were replaced by P. The substitution of Si by P into |
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| overgrowths: Implications for multiple impacts to the Main Group pallasite parent bodyâ Neva A. Fowler-Gerace1...We have thoroughly examined phosphoran olivine in the Springwater pallasite to characterize its distribution...partial overgrowths on the P-free olivine crystals. Geochemical analyses support the substitution mechanism...mechanism of P into the tetrahedral Si site with octahedral site vacancies for charge balance; observed trace...trace element variations, on the other hand, are not related to P substitution. Element mapping reveals |
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| slightly at the very edge of some olivine grains. The maximum concentrations of these elements at the center...olivine vary from grain to grain within the same meteorite and among the pallasites studied. These zoning profiles...cooling. The inferred cooling rates at high temperature regimes are orders of magnitude faster than the low-temperature...olivines are essentially free of REEs. However, the phosphates display a wide range of REE abundances...REEs by a factor of 10 to 100. Springwater farringtonite has relatively low REE concentrations (0.001 |
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| equilibria in pallasite meteorites: Implications for the eucrite parent body RIGHTER,â* RICHARDJ. ARCULUS... 1990) Abstract-The intrinsic oxygen fugacity (IOF) of olivine separates from the Salta, Springwater...oxygen-specific solid zirconia electrolytes at lo5 Pa. The experimental apparatus consisted of a double-opposed...initial IOF measurements on Salta olivines revealed the effects of grain size and cell memory on experimental...most consistent with thermodynamic calculations. The IOF experimental results for olivine separates from |
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| homepage: http://www.tandfonline.com/loi/tigr20 Moon rock mineralogy V. L. Barsukov , M. A. Nazarav &...Barsukov , M. A. Nazarav & L. S. Tarasov (1982) Moon rock mineralogy, International Geology Review, 24:2...13:40 Moon rock mineralogy V.L. Borsukov, M.A. Nozorov, ond L.S. Torosov is restricted to the range...parts of the hloon (Vinogradov, 1975; Schmitt, 1975; Florenskiy et al., 1977). Nevertheless, the material...various laboratories throughout the world is reasonably representative, and the data can be combined with orbital |
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| Indexto Volume58, 1973 The single alphabeticalindex which follows combines subject entries (in Roman...'-"'-' J name. Where the name has a prefix such as a-quartzor alkali-feldspar,the mineral is indexed as...as quartz, aor feldspar, alkali-. The page number cited repreAbsorption Spectra. (Tir*) fassaite discussion...fluorine in The Anerlean MLneralog"i eaL Jow..nal, Vol. I (A. Bruce); reviewed by W. W, Heinrich The Amerteqt...high-, sentsthe first page of the article associatedwith the entry. and The Editorial office will welcomesuggestions |
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| deeply indebted to Collectors Corner for providing the meteorites and tektites used for investigation and...given towards writing this book. I am grateful for the early âhands onâ experience afforded me by Marvin...preparing the meteorite for presentation and etching etc. I acknowledge the assistance given by the Museum...Judy Masters for her time and patience in typing the material in a highly presentable manner. First published...sitting on an eleven tonne Mundrabilla meteorite at the Perth Museum, WA Typeset in Australia by Midland |
 | Hazen, Robert M., Grew, Edward S., Downs, Robert T., Golden, Joshua, Hystad, Grethe (2015) MINERAL ECOLOGY: CHANCE AND NECESSITY IN THE MINERAL DIVERSITY OF TERRESTRIAL PLANETS. The Canadian Mineralogist, 53 (2) 295-324 doi:10.3749/canmin.1400086 | Journal (article/letter/editorial) |
| canmin.00.00.1400086 21-07-15 9:32 1 The Canadian Mineralogist Vol. 00, pp. 1-29 (2015) DOI: 10.3749/canmin...1400086 MINERAL ECOLOGY: CHANCE AND NECESSITY IN THE MINERAL DIVERSITY OF TERRESTRIAL PLANETS ROBERT M...85721-0089, U.S.A. ABSTRACT Four factors contribute to the roles played by chance and necessity in determining...determining mineral distribution and diversity at or near the surfaces of terrestrial planets: (1) crystal chemical...characteristics; (2) mineral stability ranges; (3) the probability of occurrence for rare minerals; and |
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| using SIMS and ICP-MS What we are learning about the Moon from lunar meteorites R.I. GABITOV*, A.C. GAGNON...during the Apollo and Luna missions are the basis for the long-standing magma ocean model for the petrogenetic...petrogenetic evolution of the Moon. However, these samples were collected from a relatively small geographic...geographic region of the lunar surface, and do not fully represent the petrologic and geochemical diversity...more comprehensive picture of the differentiation and evolution of the moon. Our recent work on several |
 | Gao, Jing, Huang, Weifeng, Wu, Xiang, Fan, Dawei, Wu, Ziyu, Xia, Dingguo, Qin, Shan (2015) Compressibility of carbonophosphate bradleyite Na3Mg(CO3)(PO4) by X-ray diffraction and Raman spectroscopy. Physics and Chemistry of Minerals, 42 (3) 191-201 doi:10.1007/s00269-014-0710-0 | Journal (article/letter/editorial) |
| clearly demonstrate that bradleyite is stable in the investigated pressure conditions. Isothermal pressureâvolume...pressureâvolume relationship has been fitted to the third-order Birchâ Murnaghan equation of state with...65.9(9) GPa, K0Ⲡ= 3.08(3) and V0 = 301.4(4) Ă
3. The crystallographic axes exhibit similar and considerable...defined thereafter because the b-axis becomes more and more rigid. Insight into the behaviors of [PO4]3â and...have been obtained using Raman spectroscopy, with the symmetrical stretching bands being observed at 970 |
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| t r ue N o I n t t M . S r n s l E Department of the Geophysical Sciences, Uniuersity of Chicago Chicago...Generaldiscussion of rock tvoes:relationto modelof Moon Lunar specimenswith high MglFe (a) selected specimens...1975. The earlier list of lunar mineralsis expandedto include cordierite,molybdenite,farringtonite, akagan6ite...discussionof rock types is set in the context of the phase relations in the silica-olivine-anorthiteand Fe-FeS...followed by partial melting of cumulates. Most of the returned rocks are metamorphosed brecciascomposedof |
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| translated into a machine language without the written permission of the publisher. Library of Congress Cataloging...Printed in the United States of America IO 9 8 7 6 5 4 3 2 1 TO CLIFF WHOSE ENTHUSIASM FOR THE APOLLO...astronauts Neil Armstrong and Edwin Aldrin stepped onto the Moon. Within hours, in a record-breaking long distance...they were greeted by the President of the United States of America. "This is the greatest day since creation...immediately following the opening of the first lunar sample boxes, a member of the Lunar Sample Preliminary |
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| University, St. Louis, Missouri 63130, U.S.A. OfĂce of the Provost, 348B Waterman Building, University of Vermont...Merrillite, also known as âwhitlockite,â is one of the main phosphate minerals, along with apatite, that...varieties warrant the use of âmerrilliteâ for the H-free extraterrestrial material, and the systematic enrichment...enrichment of REE in lunar merrillite warrants the use of âRE-merrillite.â Laser Raman spectroscopy of...terrestrial whitlockite conĂrms the absence of H in the former and presence of H in the latter. Lunar merrillite |
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| Primitive achondrites are mineralogically similar. The highly reduced enstatite chondrites and achondrites...a carbonaceous matrix; accessory phases include the C polymorphs graphite, diamond, lonsdaleite and chaoite...taenite during shock reheating and rapid cooling. The C polymorphs diamond, lonsdaleite and chaoite formed...formed by shock from graphite. Suessite formed in the North Haig ureilite by reduction of Fe and Si (possibly...Ringwoodite, the spinel form of (Mg,Fe)2SiO4, and majorite, a polymorph of (Mg,Fe)Si03 with the garnet structure |
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| this book documents the history of mineralogy and meteorite research, summarizes the mineralogical characteristics...characteristics of the myriad varieties of meteorites, and explains the mineralogical characteristics of...Earth or in meteorites. The book shows how to recognize different phases under the microscope and in backscattered...It summarizes the major ways in which meteoritic minerals form â from condensation in the expanding atmospheres...deep-seated magmas, from ďŹash melting in the solar nebula to weathering in the terrestrial environment. Containing |
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| as indicated by the occurrence of relict chondrules in 9 acapulcoites), although the precise chondrite...Ni-FeS and plagioclase- clinopyroxene partial melts. The acapulcoite-lodranite clan is most readily distinguished...isotopic data. The heat source for melting of acapulcoites-lodranites was internal to the parent body,...Exposure (CRE) ages which cluster around 4â6 Ma and the occurrence of some meteorites consisting of both...most likely ejected in one impact event. Whereas the precise parent asteroid of these meteorites is unknown |
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| ABSTRACTS OF PAPERS PRESENTED AT THE 39th ANNUAL MEETING THE METEORITICAL SOCIETY OCTOBER 18-21, 1976...reviewed all of the 87Rb_86Sr existing data on meteorites including a comparative study with the K-A or 39A_40A...important aspects of the resetting phenomenon: The shock phenomenon including the black hypersthene chondrite...chondrite case. The partial resetting of the low Rb/Sr minerals like apatite or whitlockite with consequences...consequences for the fine chronology using 87Rb/86Sr ratios. The resetting of the sulfide minerals in iron |
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| ⢠Meteorites and their Origins Digitized by the Internet Archive in 2022 with funding from Kahle/Austin...-'0 &IIMcCGILosc Formerly Reader in Geology at the University of Western Australia David & Charles:...mechanical, photocopying, recording or otherwise, without the prior permission of David & Charles (Holdings) Limited...on 12 point Times and printed in Great Britain at The Pitman Press Bath for David & Charles (Holdings)...Stones from the Sky 17 3 Astronomical 27 4 Meteorite Flight, Falls, and Impacts 37 5 The Morphology |
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| oxalates, and silicates from all six structural groups. The minerals in meteorites can be categorized as having...evolved stars (presolar grains), (2) condensation in the solar nebula, (3) crystallization in CAI and AOI...melts, (5) exsolution during the cooling of CAIs, (6) exsolution during the cooling of chondrules and opaque.... . . . . . . . . . . . 00 2.2. Condensation in the solar nebula . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . 00 2.5. Exsolution during the cooling of CAIs . . . . . . . . . . . . . . . . |
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| starts with a description of the meteorite class, with a summary of the mineralogical, chemical and isotopic...isotopic characteristics of the group. The full-colour images are taken in both transmitted light (plane...differences in meteorites. Specimens are grouped to show the effects of increasing thermal alteration and shock...light, to show the range of textures that accompany these meteorites. Images from the book can be downloaded...Sciences in the Department of Physical Sciences, The Open University. Her research focuses on the carbon and |
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| sample from the deep interiors of solar system parent bodies. They contain evidence of the former existence...is a major phase. Its primary shape is rounded; the angular crystals in many pallasites are secondary...Tubular inclusions are widespread. They perhaps are the residence of CO,, released during laboratory heating...pallasites. Its Fe/Mg ratio is apparently independent of the host olivine composition. Pyroxene (not previously...Compositionally, it lies in the gap between pyroxenes in chondrites and most irons. There are The pyroxene contains |
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| September 5, 2008, the European Space Agencyâs Rosetta spacecraft will fly by the main-belt asteroid...good constraints of the asteroidâs physical characteristics were measured before the encounter. Observations:...characteristics and determine the most likely meteoritic analogue. Given that the rotation period of this asteroid...each hemisphere of the asteroid. An examination of the spectra demonstrates that the asteroid has a significant...addition, previous investigators have determined that the albedo of Steins is ~0.30â0.55 [2, 3]. This suggests |
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| Society, 1990. Printed in USA Abstracts of the 53rd Meeting of the Meteoritical Society Perth, Western Australia...Zinner ' and J, W. Arden.' 'McDonnell Center for the Space Sciences, Washington University, St. Louis...acid residues of the UOCs Krymka and Inman (1) that indicated differences exist in the isotopic composition...composition of SiC both within the ordinary chondrites and between the CMs and UOCs. Subsequently we have analysed...Chainpur and Semarkona) as well as the CV3 chondrite Leoville. In Murchison the Si isotopic compositions are |
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| EX PARTE TRENT UNIVERSITY LIBRARY Digitized by the Internet Archive in 2019 with funding from Kahle/Austin... Meteorites Brian Mason Curator of Mineralogy The American Museum of Natural History New York John...permission of the publisher. Library of Congress Catalog Card Number: 62-17466 Printed in the United States...States of America ONUL% Preface the stimulus and the opportunity to write this book came as a result...as Visiting Professor in the University of Tokyo, under the auspices of the United States Educational |
