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Organosilane occurrence in irghizite samples from the Zhamanshin impact crater, Kazakhstan MAREKZBIK*, MAREKJASIENIAK...irghizites ( i e . , impact glasses at site) from the Zhamanshin meteorite crater were studied using time-of-flight...from the superheated, high-silica melt during the impact. Initially, signals from the cavity wall are dominated...perimeter. There are also minor signals in this region from organosilanes and organosiloxanes. In contrast... These species appear to be formed only at the impact site where higher levels of organic material are |
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Printed in The Netherlands IS1 Impact glassesfrom Zhamanshin crater (U.S.S.R.): chemical composition... 1985; revised and one irghizite from version received the Zhamanshin 2 Viema (Arcsrriu) DC 20560...20560 (U.S.A.) February impact crater 17, 1986 (northern Aral area, U.S.S.R.) have been analyzed...clear distinction between these impact glasses and other tektites or impact glasses. e.g. from the Australasian...and As. Nickel and cobalt are enriched in the irghizite sample IO a considerable degree, suggesting meteoritic |
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AGE AND CHEMICAL COMPOSITION OF ТНЕ ZНAМANSHIN CRATER IMPACTITES AND TEKTITES AND CQMPARISON WITH AUSTRALASIAN...AGE AND CHEMICAL COMPOSITION ОР ТНЕ ZHAМANSHIN CRATER IMPACTITES AND TEKTITES. AND COMPARISON WITH AUSTRALASIAN...Korotkova. A�e . and chemical composition of the Zhamanshin Crater ...lmpactites and Tektites and comparison... ISBN 5-7323-1784-6 ТЬе Zhamanshin impact ci'ater is the only impact crater оп the Earth where impactites...various tektites and microtektites coexist. Тhus t�e Crater becomes the best object to solve the old tektite |
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IRGHIZITES AND ZHAMANSHINITES: ZHAMANSHIN CRATER, USSR VI. Boul1ika and P. Povondra Faculty of Science...analysis of the Palaeogene quartzite from the Zhamanshin impact crater. The REE abundances of irghizites resemble...derived from terrestrial sedimentary rocks. The Zhamanshin impact glasses may be divided into three types: (a)...Florenskij (1975a) has described them from the Zhamanshin impact crater located 200 km N of Aralsk at the Aral...61°E). They are named for the Irghiz River. The Zhamanshin structure is a circle depression 5 .5-6.3 km |
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USA Fluorine and boron geochemistry of tektites, impact glasses, and target rocks DIETMAR MATTHIES,,2 ...and in a suite of impact glasses and target. rocks from the Zhamanshin and Darwin impact craters, as well...well as Libyan Desert Glass and Aouelloul impact glass samples. Fluon~e and boron are useful indicators...volatilization and temperature history of tektites and impact glasses. Tektites from different strewn fields...and B contents m target rocks from the Zhamanshin and Darwin impact craters are similar to normal terres~rial |
| Jonášová, Šárka, Ackerman, Lukáš, Žák, Karel, Skála, Roman, Ďurišová, Jana, Deutsch, Alexander, Magna, Tomáš (2016) Geochemistry of impact glasses and target rocks from the Zhamanshin impact structure, Kazakhstan: Implications for mixing of target and impactor matter. Geochimica et Cosmochimica Acta, 190. 239-264 doi:10.1016/j.gca.2016.06.031 | Journal (article/letter/editorial) |
Geochemistry of impact glasses and target rocks from the Zhamanshin Impact Structure, Kazakhstan: Implications...Geochemistry of impact glasses and target rocks from the Zhamanshin Impact Structure, Kazakhstan: Implications... Geochemistry of impact glasses and target rocks from the Zhamanshin Impact Structure, Kazakhstan: Implications...and several groups of impact glasses of the Zhamanshin impact structure, Kazakhstan. These include larger...larger irregularlyshaped fragments and blocks of impact glass (zhamanshinite), and three types of tektite-like |
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Printed m Great Br~lam Proton probe analysis of an irghizite and a high-magnesium Java tektite D. M. VAN ...have been analyzed: (1) a Si02-rich irghizite from the Zhamanshin structure, and (2) fragments of high-Mg...with an external beam, and ation with the Zhamanshin impact crater 200 km no prior treatment of surfaces...pubof the age of the Zhamanshin crater is 1.07 + lished data: (1) a silica-rich irghizite from the Zha0.05...myr (STORZER and WAGNER, 1977), which has manshin crater, and (2) fragments of a high-Mg tektite been corrected |
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Blue glass: A new impactite variety from Zhamanshin crater, U.S.S.R. CHRISTIAN KOEBERL af Instituteof...Aktmct-A newvarietyof impact giass has been discoveredat Zhamansbinimpact crater(U.S.S.R.).The craterhas...glass differ from the chemistryof other Sirich impact@assesfrom the Zhamanshincrater in several ways...anomaly.Impactmixing of country rocks presentat the crater seems capableof explainingthe chemistry bf the...droplet-form). They are more like tektites than like usual impact&, but still display some distinguishing ftatures |
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Abstract–Tektites, natural silica-rich glasses produced during impact events, commonly contain bubbles. The paper reviews...moldavite formation. field for which no source crater has been identified yet. Tektites (both splash-form...Tektites are natural silica-rich glasses produced by impact events. Individual tektites attain typically the...5 Ma in age (associated with the Chesapeake Bay impact structure in the United States); the Central European...field, 14.7 Ma in age (associated with the Ries crater in Germany); the Ivory Coast tektite strewn field |
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L . A . TAYLOR:Crystal-bearing lunar spherules: Impact melting of the Moon’s crust and implications for...GLIKSON:Origin of a late Eocene to pre-Miocene buried crater and breccia lens at Fohn-1. North Bonaparte Basin...SPRAY:The South Range Breccia Belt of the Sudbury Impact Structure: A possible terrace collapse feature...LAYER:Argon-40/argon-39 age of the El'gygytgyn impact event. Chukotka. Russia M . HUTSONAND A. RUZICKA:A...martian meteorite through cooling of magmatic and impact-generated gases R . P. TRIPATHI. H. C. VERMA AND |
| Magna, T., Deutsch, A., Mezger, K., Skála, R., Seitz, H.-M., Mizera, J., Řanda, Z., Adolph, L. (2011) Lithium in tektites and impact glasses: Implications for sources, histories and large impacts. Geochimica et Cosmochimica Acta, 75 (8) 2137-2158 doi:10.1016/j.gca.2011.01.032 | Journal (article/letter/editorial) |
elsevier.com/locate/gca Lithium in tektites and impact glasses: Implications for sources, histories and...australite, Ivory Coast tektites and bediasites), impact-related glasses (Libyan Desert Glass, zhamanshinites...fragment embedded in the suevite from the Ries impact crater and sedimentary materials in order to test a...susceptibility of Li to fractionation during hypervelocity impact events and to de-convolve links to their potential...to 26.0&) but individual groups of tektites and impact glasses have distinctive Li compositions. Most |
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personal use only. GEOCHEMISTRY OF TEKTITES AND IMPACT GLASSES Christian Koeberl Institute of Geochemistry...by melting during impact events is called impact glass or impactite. Although impact cratering produces...degree of metamorphism seen in different classes of impact materials (starting with those showing simple shock...diaplectic glasses, coesite, stishovite, lechatelierite, impact breccias, glass) depends on the peak pressure and...of mixing, brecciation, and similar processes, impact glasses also tend to include fragments of less |
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J. Spencer suggested ejection from terrestrial impact sites. Up to the 1950s, sophisticated research...of large-scale impact sites on the Earth, and the relationship between the Ries impact structure and moldavites...moldavites, and between Bosumtwi Crater and Ivory Coast tektites, was firmly established. Then in the...areas covered by sea. Kindred occurrences at Zhamanshin and Popigai in the USSR, in a Pliocene structure...likely target area of the source impact and processes of jetting from impact sites. One tenth of the Earth's |
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in Tektite Melts during Their Formation in the Impact Process O. A. Lukanin and A. A. Kadik Vernadsky...Fe3+/Fe2+ ratio of impact-produced glasses showed that tektites and some other types of impact glasses are reduced...the change in the degree of iron oxidation in the impact process are still debatable. Based on the analysis...lower Fe3+/Fe2+ values of tektites formed in the impact process compared with the initial target material...temperatures attained during decompression after an impact event are sufficient (>2500–3000°C) for the complete |
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importance of being cratered: The new role of meteorite impact as a normal geological process Bevan M. FRENCH...past development of impact geology and of the newly recognized importance of impact events in terrestrial...range of impact effects preserved on the Earth, to apply the knowledge obtained from impact phenomena...exotic field of impact geology with mainstream geosciences. Since the recognition of an impact event at the...Cretaceous-Tertiary (K-T) boundary, much current activity in impact geology has been promoted by traditionally trained |
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density/composition of material in the formation region (equilibrium). It is interesting to note that when...suggests excavation of subcrustal material in a crater or impact basin comparable in size to the planetary...orbital similarities [4]) may be ejecta from this impact [5] and direct parents of the basaltic achondrites...been reconciled with the present understanding of impact physics. Analytical spallation models [4,6] predict...Vesta" would be almost the size of Vesta! Such an impact would lead to the catastrophic disruption of both |
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. . . . . . . . . . . . . . 19 Impact as a general cause of extinction: A feasibility...metal toxicity as a seed stock kill mechanism in impact-caused mass extinctions . . . . . . . ...and Hypotheses 12. Assessment of the atmospheric impact of volcanic eruptions . Haraldur Sigurdswn 13...Observations and Effects of Large-Scale Meteorite Impact . Impact and its revolutionary implications for geology...181 Contents 22. v The formation of the Ries Crater, West Germany; Evidence of atmospheric interactions |
Zhamanshin impact crater, Yrgyz District, Aktobe Region, Kazakhstan