 | Keil, Klaus, Ntaflos, Th., Taylor, G.J., Brearley, A.J., Newsom, H.E., Romig, A.D. (1989) The Shallowater aubrite: Evidence for origin by planetesimal impacts. Geochimica et Cosmochimica Acta, 53 (12) 3291-3307 doi:10.1016/0016-7037(89)90108-7 | Journal (article/letter/editorial) | | 1989 Pergamon Press pk. Printed inU.S.A. The Shallowater aubrite: Evidence for origin by p~anetesim~l...xenoliths of an assemblage of twinned low-Ca clinoenstatite (I), forsterite (2.9), plagioclase (2.5), metallic...oldhamite. Conclusions: 1. Shallowater is of igneous origin. 2. Shallowater could not have formed by internal...Instead, Shallowater appears to be a sample of yet a fourth enstatite-type asteroid. 3. Shallowater experienced...history suggests an equally unusual origin for Shallowater, as follows: A completely or partly molten asteroid |  | | Journal (article/letter/editorial) | | for the presence of disorderedenetatite. EIG~ meteorite falls and one find have been classified as enstatite...aubrites, after the Aubres meteorite, or as bustites, from the Bustee meteorite. The mineralogy tlnd bulk...markedly similar and distinct from any other meteorite class. The major mineral present in each of these...Cumberland Falls Khor Temiki Norton County Pena Blanca Spring Pesyanoe Shallowater 0.8 U.S.A. India U.S.A. Sudan...occur with the enstatite which, with associated clinoenstatite, makes up over 76 vol. % of the aasembla,ge |  | Olsen, Edward J., Bunch, T.E., Jarosewich, Eugene, Noonan, Albert F., Huss, Glenn I (1977) HAPPY CANYON: A NEW TYPE OF ENSTATITE ACHONDRITE. Meteoritics, 12 (2) 109-124 doi:10.1111/j.1945-5100.1977.tb00336.x | Journal (article/letter/editorial) | | History Walhington, DC 20560 Glenn I Huss American Meteorite Laboratory Box 2098 Denver, CO 80201 Happy Canyon...Canyon [found: 1971, 34°46.5'N, 101°33.6'W, Texas] consists of about 85 vol. % enstatite (Fs 0.4%), 5...survived extensive terrestrial weathering. The meteorite has a cumulate texture, uniform-size euhedral...crystalline, unbrecciated enstatite achondrites like Shallowater. Happy Canyon is a new type of enstatite achondrite...northwest of Wayside, Texas (34°46.5'N, 10Io33.6'w). Mr. Grigsby took it to West Texas State University in |  | | Journal (article/letter/editorial) | | Printed in USA Igneous History of the Aubrite Parent Asteroid: Evidence from the Norton County Enstatite...University of New Mexico, Albuquerque, NM 87131, USA ·Present address: Institute of Physical and Chemical...Abstract- We studied numerous specimens of the Norton County enstatite achondrite (aubrite) by optical microscopy...Our main conclusions are the following: 1. Norton County is a fragmental impact breccia, consisting of a...both igneous and impact melt origin. 2. The Norton County precursor materials were igneous rocks, mostly |  | | Journal (article/letter/editorial) | | sections of the Manegaon meteorite. In a recent description of the Chicora meteorite, Preston, Henderson,...orthopyroxene with a clinopyroxene of the nature of a clinoenstatite or a magnesian diopside. The optic axial plane...that in the enstatite (0-32 ~o CaO) of the Shallowater meteorite, 'undulatory and other extinction anomalies...which must be at least 22 ~ if the crystal is clinoenstatite or magnesian diopside. Mention is made of fairly...p. 90. [M.A. 5-101.] W. F. FOS~-AG,The Shallowater meteorite ; a new aubrite. Amer. Min., 1940, vol. |  | Lorenzetti, S., Eugster, O., Busemann, H., Marti, K., Burbine, T.H., McCoy, T. (2003) History and origin of aubrites. Geochimica et Cosmochimica Acta, 67 (3) 557-571 doi:10.1016/s0016-7037(02)01085-2 | Journal (article/letter/editorial) | | Copyright © 2003 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/03 $22.00 ⫹ .00 Pergamon...92093-0317, USA 3 Smithsonian Institution, Dept. of Mineral Sciences MRC NHB-119, Washington DC 20560, USA (Received...exposure (CRE) age of Norton County, the first measured stony meteorite (Begemann et al., 1957), yields...longest currently known exposure time of a stone meteorite. Gaffey et al. (1992) suggested a link between...evidence for a planetesimal impact in the Shallowater meteorite also are indicative of regolith processes |  | | Journal (article/letter/editorial) | | (1989) © Meteoritical Society, 1989. Printed in USA Enstatite meteorites and their parent bodies* KLAUS...University of New Mexico, Albuquerque, New Mexico 87131 USA (Received 10 August 1989; accepted in revisedform...Aubrites represent samples from a third enstatite meteorite parent body. 3. The aubrite parent body may have...plagioclase than known enstatite chondrites. 5. Shallowater, the only non-brecciated aubrite, does not appear...Instead, Shallowater may be a sample from yet a fourth enstatite meteorite parent body. 6. Shallowater experienced |  | | Journal (article/letter/editorial) | | University of California, Los Angeles, CA 90095-1567, USA a r t i c l e i n f o Article history: Received...Aubrites Shock effects Asteroidal parent bodies Meteorite breccias Impact melting Sinoite a b s t r a c...impact-melt globules and spherules. No single meteorite possesses all of these features, although many...main REE carrier in enstatite meteorites. The Shallowater aubrite can be modeled as an impact-melt rock...history; it could be from the same parent body as Shallowater. Many aubrites contain large pyroxene grains |  | | Book | | obtain a panorama of the scope and substance of meteorite research. I endeavored to remedy this situation...not exhaustively discussed—the great upsurge in meteorite research along many new lines in recent years...and conservation of meteoritic material. Every meteorite is to some degree unique; and meteorites, unlike...I not been favored bv the curatorship of the meteorite collection of The American Museum of Natural History...Chicago Natural History Museum, the Nininger Meteorite Collection (Arizona State University, Tempe), |  | | Journal (article/letter/editorial) | | University of Hawaii at Manoa, Honolulu, HI 96822, USA a r t i c l e in fo abstract Article history:...on at least two separate parent bodies, the Shallowater parent body and, for all other aubrites, on the...alert to the potential discovery of a genuine meteorite from Mercury which, superficially, should resemble...and, if true, a meteorite from Mercury should not resemble any currently known meteorite type. & 2010 Elsevier...non-brecciated aubrites Shallowater (Foshag, 1940; Keil et al., 1989), LAP 02233 (Antarctic Meteorite Newsletter, |  | | Book (volume) | | FeSiOs, the monoclinic series ofMgSiC>3-FeSi03 (clinoenstatite-clinoferrosilite) pyroxenes, although present...enstatite, protoenstatite (both orthorhombic), and clinoenstatite (monoclinic), but only the orthorhombic forms...form, enstatite the low-temperature form and clinoenstatite the metastable low- Cal/2Mgl/2SiO} Ca^Fe^SiOj...of the two monoclinic phases, pigeonite and clinoenstatite, have the space group P2i/c and are distinct...this result for these minerals and also for clinoenstatite and spodumene. Gossner and Mussgnug (1929) |  | | Book | | METEORITICS H . H . Nininger DIRECTOR , AMERICAN METEORITE MUSEUM The University of Denver Press Science...College , Princeton University , the Uni versity of Texas , and the private collections of Stuart H . Perry...RELATIONS THE PLAINVIEW METEORITE SHOWER THE KIOWA COUNTY METEORITES METEORITE CRATERS A COMPOSITE SWARM...METEORITES AND THE MOON 280 TEKTITES 297 GREAT METEORITE COLLECTIONS 309 PROPOSED NATIONAL INSTITUTE OF...accumulation of materials and field data , the meteorite - minded layman will continue to play a most im |  | | Book (volume) | | The monoclinic series of MgSiO 3 -FeSiO3 (clinoenstatite-clinoferrosilite) pyroxenes is rare in terrestrial...occur in M2, as for example Mg in pigeonite or clinoenstatite, in addition to further kinking of the Si-O...of the structures of (i) diopside, (ii) low clinoenstatite, (iii) orthoenstatite, (iv) protoenstatite...series there is a monoclinic polymorph P2 1/c (clinoenstatite-clinoferrosilite) and an orthorhombic polymorph...structure remains C2/c rather than the P2 1 /c of clinoenstatite. This is attributed to the fact that Li is |  | | Book | | Professor of Chemistry and Geology Director, Nininger Meteorite Collection Arizona State University JOHN WILEY...Chemistry and Geology, Director of: the Nininger Meteorite Collection, Arizona State University, Tempe, Arizona...announced the transfer of the outstanding Nininger Meteorite Collection to Arizona State University. Throughethe...the National Science Foundation, the Nininger Meteorite Collection was established primarily for purposes...(minerals The of meteorites) relationship of and meteorite Moore (achondrites), studies to the Earth |  | | Journal (article/letter/editorial) | | CARBONACEOUS-CHONDRITE INCLUSIONS FROM THE KAPOETA METEORITE: EVIDENCE FOR THE EXISTENCE OF NANODIAMONDS WITH...Waterloo, ON, Canada. Kapoeta is an achondrite meteorite that belongs to the howardite group, which along...nanodiamonds in CC material from the Kapoeta meteorite by Fourier-transform infrared (FTIR) and Raman...nanodiamonds and amorphous carbon found in this meteorite. References: [1] Zolensky M. E. et al. 1996. Meteoritics...Science, Pennsylvania State University – DuBois, USA. Email: abreu@psu.edu. Introduction: Numerous studies |  | | Journal (article/letter/editorial) | | University of Chicago, Chicago, Illinois 60637, USA s u MMARY. Pertinent general properties of the planets...' In spite of numerous historical records of meteorite falls, a century of scientific scepticism about...in meteorites. White inclusions of the Allende meteorite carry the melilite, spinel, diopside, and perovskite...with 27A1/24Mg in anorthite from the Allende meteorite (Lee et al., I977a , b); Hutcheon et al., I977;...carbonaceous chondrites; however, mixtures of several meteorite types are more plausible than just a single type |  | | Report (volume) | | cientifica Circular Classe classification Company, County Collections Committee Communications Comparative...vols. 1-7. Southern Methodist University, Dallas, Texas. Field Museum of Natural History: Botanical Series...of America (Inc.) Year Book vols. 6-9. Houston, Texas. National Research Council: Bulletins 90-96, 98...Okla. Oil Weekly vols. 68-96 (nos. 1-3). Houston, Texas. Oklahoma Academy of Science Proceedings vols. 7-9...4-9), 9-11 (nos. 1, 3); Supplements 10-13. Dallas, Texas. Photographic Engineering [formerly American Society |
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