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| occurrence in irghizite samples from the Zhamanshin impact crater, Kazakhstan MAREKZBIK*, MAREKJASIENIAK AND ROGERST...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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| 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...microtektites coexist. Тhus t�e Crater becomes the best object to solve the old tektite puzzle. Published before |
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| Printed in The Netherlands IS1 Impact glassesfrom Zhamanshin crater (U.S.S.R.): chemical composition...received the Zhamanshin 2 Viema (Arcsrriu) DC 20560 (U.S.A.) February impact crater 17, 1986 (northern...clear distinction between these impact glasses and other tektites or impact glasses. e.g. from the Australasian...numerous bubbles and inclusions. Because these impact glasses (zhamanshinites) and tektites (irghizites)...(irghizites) are closely associated with a specific crater, important conclusions can be made concerning the |
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| facts about this type of tektite and has made some statements about tektite glass in general that could...demonstrated by several researchers that this type of tektite glass consists of welded accretions of microtektites...qualitatively like the bulk composition of the tektite (OKEEFE, 1976). KOEBERL( 1992) does not mention...extraterrestrial igneous chemical trends found in all tektite glasses ( LOWMAN,1962; CHAO, 1963; TATLOCK, 1965;...(CHAPMANand SCHEIBER, 1969). They find that the HMg tektite trends on an FM Alk ternary diagram conform precisely |
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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 |
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| zhamanshinites blue? Liquid immiscibility in an impact melt MICHAEL E. ZOLENSKY1and CHRISTIANKOEBERL~...zhamanshinites, which are glassy impact melt rocks from the Zhamanshin crater in the USSR. We find that the...using standard LINK software, natural mineral and tektite standards, and inte~ally derived K-factors. All...Naturhistorisches Museum, Vienna. IMPACT-RELATEDGLASSESFROM the Zhamanshin impact crater, located at 48”24’N, 60”58’E...60”58’E in the Kazakhstan Republic of the USSR, have been the subject of recent studies (FLORENSKIJ, 1975; |
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| HighPressure Phase of Cubic CdSe in Impact Glass from Zhamanshin Crater P. M. Kartashov, T. A. Gornostaeva...arated from the sample of impact rock of the Zhamanshin crater (Central Kazakhstan). The treated mineral...at the moment of impact. DOI: 10.1134/S1028334X16040188 The Zhamanshin impact crater is located at about...60°58 E). [1]. The tektitelike glasses along with suevitelike rocks found in the crater were first described...described and were called irgizites and zhamanshin ites, respectively, by Florenskii [2]. The samples of |
 | 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...fragments and blocks of impact glass (zhamanshinite), and three types of tektite-like splash-form glasses |
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| analysis of an irghizite and a high-magnesium Java tektite D. M. VAN Bartol Research Foundation of The Franklin...Si02-rich irghizite from the Zhamanshin structure, and (2) fragments of high-Mg tektite from Sangiran. Java....electron SMALL(millimeter to centimeter size), tektite-like glass microprobe (BOSCH et al.,1978). A wide...with an external beam, and ation with the Zhamanshin impact crater 200 km no prior treatment of surfaces...there was previously pubof the age of the Zhamanshin crater is 1.07 + lished data: (1) a silica-rich irghizite |
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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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| 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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| 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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| and K-Ar ages in Aouelloul, Zhamanshin, + .OO and Libyan Desert impact glasses KAYO MATSUBARA,’ JUN-ICHI...been determined in seven Aouelloul impact glasses, four Zhamanshin impact glasses, and one Libyan Desert...ratio was observed in all impact glasses. The Ne concentrations in the impact glasses are of the same order...in the impact glasses are lower than in tektites. The isotopic composition of Ne in the impact glasses...Aouelloul and 0.7- 1.O Ma for Zhamanshin impact glasses. For Zhamanshin glasses, these ages are in good |
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| Meteontical Society, 1999 Printed in USA Invited Review Impact structures of northeastern Eurasia: The territories...February 24) ~ ~ ~ ~~ Abstract-More than 30 impact structures have been discovered in the last three...Lithuania, Latvia, Estonia, Kazakhstan, and Mongolia. The largest impact events of the twentieth century...Siberia and Primorye, respectively. Many of these impact structures have been studied in detail. This is...morphology, and the nature of the impact breccias and impactites (impact-melt rocks) are to be found in |
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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 |
 | 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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| paper Volatile enhanced dispersal of high velocity impact melts and the origin of tektites Kieren Torres...rocks. This produces impact melt during excavation and expansion of the transient crater cavity. The vast...vast majority of this melt is retained in the crater-fill stratigraphy where it may form coherent melt units...the crater at very high velocities – potentially faster than the impactor itself – forming impact glasses...some impacts form large volumes of high velocity impact glass and even fewer form tektites remains poorly |
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| 1989. Printed in USA North American tektite debris and impact ejecta from DSDP Site 612 P. BILLY GLASS...revisedform 25 August 1989) Abstract-A layer of tektite glass and shock-metamorphosed grains found in an...off New Jersey may belong to the North American tektite strewn field. However, the Site 612 glasses generally...continuously through the layer at I ern intervals. Tektite fragments are in an 8 em thick layer; microtektites...splash forms are mostly in the lower part of the tektite-bearing layer. Rock and mineral grains showing |
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| ................ 6 Title Page Definition of a Tektite .................................................Terrestrial Rocks .................................... 8 Tektite Forms ...........................................Glasses ...............•............. 10 Date of Tektite Discoveries .....................................Vineyard Tektite .................................................... 15 The Cuban Tektite....................................................... 23 Tektite Conscious .................................... |
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| com/loi/tigr20 CHEMICAL TYPES OF IMPACT GLASSES AT THE ZHAMANSHIN CRATER AND THEIR RECONSTRUCTED PROTOLITHS...Selivanovskaya (1987) CHEMICAL TYPES OF IMPACT GLASSES AT THE ZHAMANSHIN CRATER AND THEIR RECONSTRUCTED PROTOLITHS...com/page/termsand-conditions CHEMICAL TYPES OF IMPACT GLASSES AT THE ZHAMANSHIN CRATER AND THEIR RECONSTRUCTED PROTOLITHS..."Petrokhimicheskiye tipy impaktnykh rasplavov kratera Zhamanshin i ikh rekonstrukturuyemyye iskhodnyye substraty...Institute (VSEGEI), Leningrad. Their finding that the impact glasses (presumably including the more distant |
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| Ferric Iron Reduction in Tektite Melts during Their Formation in the Impact Process O. A. Lukanin and...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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| Abstract–Tektites, natural silica-rich glasses produced during impact events, commonly contain bubbles. The paper reviews...and composition of a gas phase contained in the tektite bubbles and data on other volatile compounds which...another carbon reservoir is present directly in the tektite glass. To clarify the problem of carbon content...composition of the tektite glass, three samples from the Central European tektite strewn field—moldavites—were...moldavite formation. field for which no source crater has been identified yet. Tektites (both splash-form |
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| Printed in USA Mechanism of Muong Nong-type tektite formation and speculation on the source of Australasian...20) Abstract- The source crater of the youngest and largest of the tektite strewnfields, the Australasian...study the spatialdistribution of MuongNong-type tektite sitesand chemicalcharacterhave been used to indicatethe...of the source. The variation of Muong Nong-type tektite chemical composition appears to be caused by mixingof...distribution of both MuongNong and splash-form tektite sites suggest the source is in a limited area near |
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| secondary-about their alteration in the parent bodies during impact metamorphism (pp. 73-80). Terrestrial age and classification...Elements of bilateral symmetry of the Zhamanshin impact crater. V. L. Masaytis. All-Union Scientific...Bilateral symmetry of the internal structure of the Zhamanshin astrobleme and the distribution of the ejecta...blocks of rocks, impact glass) indicate that this impact structure was formed by oblique impact of a body travelling...silty sandstones containing fragments ofrocks, and impact glasses. The composition is approximately quartz |
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| Ocean tektite. all the age determinations fall into the range of 700,000 to THE INDIAN OCEAN TEKTITE 850...850,000 years B.P. (for a review of tektite dating up to 1976, The undoubted, flanged australite button...has no bearing on the controversy at hand. This tektite recent 40Ar-39Ar dates on extrusive igneous rocks...this lations at a number of Australasian land tektite sites preclude environment. any age of fall older...of Port Campbell National Park are Australasian tektite population. Recently this position was given renowned |
Zhamanshin impact crater, Yrgyz District, Aktobe Region, Kazakhstan