 | | Journal (article/letter/editorial) | | structure of the unequilibrated ordinary chondrites Chainpur, Mezr-Madaras and Tieschitz: a transmission electron-microscopic...matrices of the unequilibrated ordinary chondrites Chainpur (LL3), MezO-Madaras (L3) and Tieschitz (H3) have...pyroxene, orthopyroxene is very rare. While in Chainpur orthopyroxene occurs only a few unit cells in...affected by shock waves. Chondrule olivines of Chainpur are free of dislocations. Those of Tieschitz contain...matrix of Chainpur and Tieschitz contains a mixture of kamacite (4-10 mol.% Ni) and probably magnetite according |  | | Journal (article/letter/editorial) | | unequilibrated chondrites also shows that each meteorite has been metamorphosed, with the alteration ranging...also contains more Na20, K20 and A1203. Olivine, magnetite, troilite, orthopyroxene and metallic NiFe were...chondrites: a porous ‘elastic’ matrix, found in Chainpur and Weston and composed of angular fragments of...consistent with low-temperature origin, including magnetite and possibly hydrous phases (LARIMERand ANDERS...FiefSOl-ite Bishmpur, India Bj urbBle, Finland Bremen&&, Gemy Chainpur , India Dhajala, India Hallingeberg, |  | | Report (volume) | | THE GEOLOGICAL SURVEY OF INDIA, RECORDS OF THE GEOLOGICAL SURVEY OF INDIA. tt Volume Published...I.M.E., B.Sc., Survey 1—16 M.A., F.G.S. of India. F.G.S.. By Cyril Fox, from the Salt Range. Assistant...Assistant Superintendent, . (With Plates 11 to 13) of India. . Steatite Deposits, Idar State. F.G.S., Superintendent... 102—126 127—132 3. By H. H. Survey of India of India during 1911. C. I.E., F.G.S., Director, Geological...Survey of India for the year 1911. H. H. Hayden, . . Middlemiss» B.A., Survey of India. (With Plates |  | | Journal (article/letter/editorial) | | carbon measurements form of carbon in the Allende meteorite have been done by Van and concepts for which there...the techniques applied to covery of graphite-magnetite aggregatesby Scott er al. (198 la,b) their study...and bulk carbon contents from the literature. Meteorite Bremervorde (1) Class H3.7-H3.9 Brownfield (1)...Farmington (2) Atwood (1) L5 L5 L6 New Concord (2) Chainpur (1) L6 LL3.4 Kelly (3) LL4 Soko Banja (2)...the high carbon content of the matrix areas of Chainpur. When the value from this chondrite is omitted |  | | Journal (article/letter/editorial) | | of all available chondrites in several major meteorite collections, * 3. Rnally, we included ehondrites...due to the polymict (WAHL, 1952) nature of the meteorite (VAN SCHMUS,1966)*. In the others it may have...fragments are less heterogeneous than those of the meteorite as a whole, suggesting more advanced xecr~t~zat~on...expressed the “In brief, Chainpur is an olivineproblem well with reference to Chainpur: hypersthene chondrite...Bishunpur Bjurbijle Bremerviirde Carraweena Castalia Chainpur Clovis No. 1 Cynthiana Geidam Goodland Hallingeberg |  | | Journal (article/letter/editorial) | | metal, troilite, etc.; comprising - 99% of the meteorite), chromite and carbon (- O.WJ.7%), and Q (a poorly...solubility in HN03, comprising -0.05% of the meteorite but containing most of the Ar, Kr, Xe and a neon...side-by-side in different minerals of the same meteorite: strongly fractionated Xe in ferrichromite and...(1) A small (0.5%) residue, remaining when the meteorite is dissolved in HCl-HF, contains 3O-Wk of the...Academy of Sciences, Moscow (the late L. G. Kvasha). Chainpur (LL3): 2.1 g of <.5 mm fragments of BMl915,86 |  | | Journal (article/letter/editorial) | | microscopist, Gustav Tschermak, and the outstanding meteorite collection of that day, the Vienna collection...meteorites. Table 1 traces the development of meteorite mineralogy over the following seventy years. It...extracted sulfur with alcohol from the Cold Bokkeveld meteorite, and later investigators extracted it from other...*Oldhamite *Daubreelite +Lawrencite Magnesite Calcite Magnetite Chromite Quartz Tridymite Chlorapatite Merrillite...weathering. In 1955, therefore, to specializein meteorite mineralogy might well have beenconsideredthe refugeol |  | | Journal (article/letter/editorial) | | phosphates and/or phosphides and oxides (e.g., magnetite) and occasional fragments of silicate material...metallsulfide assemblages by shock events in the meteorite parent bodies. However, the morphological similarity...Gupta et al. (I 978b ) interpreted craters on Chainpur chondrules in terms of high-velocity micrometeoroid...PORPHYRITIC PYROXENE BARRED OLIVINE RADIAL PYROXENE CHAINPUR LL3 NfotIH-1251-2 -1251-3 SEMARKDNA LL3 NMNH-1805-3...same as 1n Table 1 highly brecciated portion of meteorite; "recrysta11 ized" clasts not used in chondrule |  | | Journal (article/letter/editorial) | | 3Physical Research Laboratory, Ahmedabad 380 009, India of Natural History, Chicago, IL 60605, and Department...isotopic compositions reflect the iron-group of the meteorite (H, L, or LL). Isotopic uniformity of H3 to H6...identification of genetic association with other meteorite types (achondrites and iron) and for recognition...combination of these processes has left each planet and meteorite parent body with a distinctive oxygen isotopic...fractionation line is defined as: 6”O = 0.526”0. For a meteorite sample, an excess in “0 can be defined as A”0 |  | Swindle, T.D, Grossman, J.N, Olinger, C.T, Garrison, D.H (1991) Iodine-xenon, chemical, and petrographie studies of Semarkona chondrules: Evidence for the timing of aqueous alteration. Geochimica et Cosmochimica Acta, 55 (12) 3723-3734 doi:10.1016/0016-7037(91)90070-l | Journal (article/letter/editorial) | | analyses on seventeen chondrules from the Semarkona meteorite (LL3.0) primarily to study the relationship of...Although theoretical models of aqueous activity in meteorite parent bodies have been constructed (see review...procedures are virtually identical to those used for Chainpur chondrules and described in detail in SWINDLE(1986)...films, and separated cryogenically. Unlike the Chainpur experiment, where the Kr/Xe fraction was split...using the conditions and methods described for Chainpur chondrules by SWINDLEet al. (199I). Data for Na |  | | Journal (article/letter/editorial) | | materials (see, e.g., [22,23]), which was applied for meteorite studies. Another option of precise measurements...etc. (see [33,34]). Ferric compounds, such as magnetite Fe3 O4 , magnesioferrite MgFe2 O4 , maghemite...appear with the fusion crust formation, when meteorite passes through the Earth atmosphere with a very...millimeter-sized silicate aggregates found in the meteorite matrix. Carbonaceous chondrites are divided in...“M”, “V”, etc., means the first letter of the meteorite name found the first in correspondent group, e |  | | Journal (article/letter/editorial) | | RELATIONS OF SULFIDE, SULFATE AND SULFUR IN ORGUEIL METEORITE Manuel N. Bass NASA Manned Spacecraft Center...concurrently forming cracks in unheated portions of the meteorite. The minerals of Orgueil indicate a many-stage...ablation studies have been conducted using models of magnetite and hematite. X-ray diffraction analysis of representative...a common product. From a "magnetite" model whose content was 82% magnetite, 17% hematite, and 1% apatite...principal minerals and their relative abundances: magnetite (88%); hematite (16%); and wustite (38%). From |  | | Book (edition) | | Village in central. BT Alberta Canada Abee Meteorite Term introduced in 1985. Impact at SA glaciers...Bihar SA West Bengal Peninsula Ajmer City and district in central. BT Rajasthan Akchagylian Europe...Akita City on Japan Sea in N. BT Honshu Japan Al India Akchatau Town in SE Karaganda central. BT Kazakhstan...Honshu. BT Permian SA Honshu SA Japan France India BT sorosilicates orthosilicates silicates minerals...SA SA N393500N424000 Oa eee Peale SOCE Abee Meteorite Altyn Limestone Bearpaw Formation SA Belly River |  | Hutcheon, I.D., Marhas, K.K., Krot, A.N., Goswami, J.N., Jones, R.H. (2009) 26Al in plagioclase-rich chondrules in carbonaceous chondrites: Evidence for an extended duration of chondrule formation. Geochimica et Cosmochimica Acta, 73 (17) 5080-5099 doi:10.1016/j.gca.2009.04.042 | Journal (article/letter/editorial) | | Physical Research Laboratory, Ahmedabad 380009, India c Hawai‘i Institute of Geophysics and Planetology...chondrule petrography or to metamorphism of the host meteorite is difficult to find. The inventory includes 10 plagioclase-rich...nepheline, sodalite, hedenbergite, ferrous olivine, magnetite, Ni-rich metal, and Ni-bearing sulfides (Figs....higher than in type IA chondrules in the same meteorite (Jones, 1997b). The Al–Mg isotope data for the...for chondrules from carbonaceous chondrites.§ Meteorite Chondrule Phase 27 d26Mg (&) (26Al/27Al)0 |  | | Journal (article/letter/editorial) | | the surface, so rapidly that portions of the meteorite and the ground which were in contact were vaporized...people wondered about what would happen if a large meteorite fell to the ground, but they were limited by the...meteorites and the corollary that the size of the meteorite was quite small relative to the crater it could...an equal mass of TNT. The kinetic energy of a meteorite changes with the square of the velocity and hence...far more probable that the angle of impact of a meteorite with earth or moon is low rather than high. Previously |  | | Book (edition) | | Italy NT Chieti NT Marsica AJjsaroka Fault Abee Meteorite aa Taylor County Texas Texas Southwestern U...River IN Index Indian states as applica¬ ble. BT India SA Bihar SA West Bengal Ajman Sheikdom. One of federation...Peninsula Ajmer City and district in central Raja¬ sthan, NW India. BT Rajasthan BT India akaganeite BA oxides...Endicott Mountains NA Fairbanks Alaska NA Fairbanks District NT Fairweather Fault NT Glacier Bay NA Glacier...Interior Seaway NX Western Overthrust Belt SA Abee Meteorite SA Altyn Limestone SA Banff Formation SA Bearpaw |  | | Journal (article/letter/editorial) | | five elements, H, C, N, 0 and determination of a meteorite 12C/“C ratio on graphite S, normally thought to...intervening period, there was only a minor interest in meteorite oxygen as various investigators wrestled with...(1953) attempted to measure hydrogen from an iron meteorite while BOATO (1953, 1954) reported deuterium enrichments...exploration of the extraterrestrial environment and meteorite studies amongst their most consuming interests...scale since it is the most abundant element) meteorite investigations are restricted by sample availability |  | | Book | | composition of stone meteorites. How to recognize a meteorite. Brazilian stone meteorites. 7.1. ACHONDRITES...chondrite . Parambu. Acknowledgments . References.^.. Meteorite index. Page 1 3 11 29 35 45 47 48 48 48 61 61...during the agglomeration of the meteorite parent bodies. When a meteorite is seen to fall and material is...is collected, the meteorite is referred to as a fall. On the other hand, a meteorite find is the by-chance...meteorites Figure 1 - The Bendego, Bahia, Brazil iron meteorite, weighing approximately 5,360 kg. Note the irregular |  | KROT, A. N., BREARLEY, A. J., ULYANOV, A. A., BIRYUKOV, V. V., SWINDLE, T. D., KEIL, K., MITTLEFEHLDT, D. W., SCOTT, E. R. D., CLAYTON, R. N., MAYEDA, T. K. (1999) Mineralogy, petrography, bulk chemical, iodine-xenon, and oxygen-isotopic compositions of dark inclusions in the reduced CV3 chondrite Efremovka. Meteoritics & Planetary Science, 34 (1) 67-89 doi:10.1111/j.1945-5100.1999.tb01733.x | Journal (article/letter/editorial) | | Co-rich kamacite, and wairauite; sulfides are rare; magnetite is absent. Bulk 0-isotopic compositions of E39...components prior to incorporation into a host meteorite. Dark inclusions are common constituents in all...inclusions studied in detail are from the Allende meteorite and have textures, mineralogy, and bulk chemical...dark inclusions, the secondary minerals include magnetite, Ni- and Co-rich metal, Nirich sulfides, fayalitic...forsterite-fayalitic olivine rims in the Allende meteorite (e.g., Hua et al., 1988; Weinbruch et al., 1990; |  | | Journal (article/letter/editorial) | | fragments of a single chondrite type. Sometimes two meteorite types are mixed, presumably representing two dissimilar...pyroxenes; (Mg,Fe)2SiO., (Mg,Fe)SiO, Troilite, FeS Magnetite, Fe,O• Major minerals that would condense from...artificial.) INCLUSIONS AS NEBULAR CONDENSATES Most meteorite researchers did not become aware of RI until 1...resulted in some major changes in the "rules of the meteorite game," which have been little appreciated: EFFECTS... The petrology of chon drules in the Sharps meteorite. Contrib. Mineral. Petrol. 31: 201-27 Dodd, R |  | | Journal (article/letter/editorial) | | 1971 The Petrology of Chondrules in the Sharps Meteorite ROBEI~T T. DODD Department of Earth and Space...e m p t s to fill this gap. The Sharps (H-3) meteorite was chosen for s t u d y because earlier work...(Sharps B and C) from a one-inch cube of the meteorite provided by the University of Virginia. To secure...one whose silicates Chondrules in the Sharps Meteorite 203 e x t i n g u i s h i r r e g u l a r l...clear, however, whether shock affected the entire meteorite or individual chondrules within it. Moreover, |  | | Journal (article/letter/editorial) | | TERRESTRIAL SEDIMENTS, WITH SPECIAL REFERENCE TO MAGNETITE GRAINS IN ALLAN HILLS 84001. J. Akai, Department...characterisitc mineral grains. They observed magnetite in ALH 84001 and suggested that the grains may...bacterial magnetite. In this paper, the author will give some reviews and discussions on the magnetite grains...chondrites, comparing terrestrial characteristic magnetite grains. The most important clue to judge whether...to conclude that these magnetite and pyrrhotite grains in the martian meteorite are of magnetotactic bacterial |  | | Book (volume) | | solar system G. Kurat 155 Some problems of meteorite classification A.A. Yavnel 199 Primitive 3 ae/...isotope ratios different to those observed in other meteorite classes but almost exactly matching the rare gases...18, 5-40. Chapman , C.R. (1976) Asteroids as meteorite parentbodies : The astronomical perspective. Geochim...be far lower than i 29 detected in an iron meteorite at 0 . 1 atom/m . Kg by our older work . Remeasurement...in the acid insoluble fraction of the Allende meteorite. At the sam ime the enrichment of 142 0.4%_~as |  | | Report (volume) | | INDEX TO TOE RECORDS OF TRf^CEOLOGICAL SURVEY OF INDIA. Volumes I—LXV. 1868 to 1932. BY T. H. D. La...F.G.S. Published by order of the Government of India. CALCUTTA; Sold at thk Gkntbal Book Dep6t, 8, Hastiuqs...1903-1929. Officers of tho Geological Survey of India ...... G. S. L. . Geological Survey Laboratory...G.S., F.A.S.B., M.I. Min.E., M.In8t.N.M., M.LE.(India) 1906-1934. Liout-Colonel John L. Grinliuton, D...Kenneth Mason, M.C., R.E., Superintendent, SuiToy of India . Iiakshminarayana,puram Ananthakrishna Narayana |  | | Report (issue) | | Photomicrograph of thin (10am) section of the Andura meteorite, an olivine bronzite-chondrite contrast between...chondrule composition of the Allende a meteorite; the Pulsora meteorite and metamorphic equilibration in chondrites;...25 ol METEORITES THE ALLENDE History THE METEORITE: OF THE Putsora TION IN SOLAR ANoMALy:...DATA ON EIGHT OBSERVED-FALL CHONDRITIC WITH METEORITE, METEORITES, by Roy S. Clarke, Jr., Eugene Jarosewich...Chile; Marietta (New Concord), Ohio; Parnallee, India; Searsmont, Maine; and Cold Bokkeyeld, South Africa |
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