 | | Journal (article/letter/editorial) | | online at http://www.uarkedu/meteor I..-l.-. Boltysh, another end-Cretaceous impact SIMON P. KELLEY...Sciences, National Academy of Ukraine, 55-b Gontchar Str., Kiev, Ukraine *Correspondence author's e-mail...currently accepted age of the 24 km diameter Boltysh crater, a K-Ar whole-rock age, places it in the Coniacian...the K/T boundary for this crater. Crucially, although the ages of Boltysh and Chixculub are within errors...a suitable crater saw several terrestrial craters fall under suspicion. The Manson crater in the USA |  | Grieve, R. A. F., Reny, G., Gurov, E. P., Ryabenko, V. A. (1987) The melt rocks of the Boltysh impact crater, Ukraine, USSR. Contributions to Mineralogy and Petrology, 96 (1) 56-62 doi:10.1007/bf00375525 | Journal (article/letter/editorial) | | Springer-Verlag 1987 The melt rocks of the Boltysh impact crater, Ukraine, USSR* R.A.F. Grieve 1, G. Reny ~,... 25 km diameter Boltysh impact crater was formed in Precambrian granites and granite gneisses of the...the Ukrainian Shield. The crater deposits have undergone minimal post-impact erosion and it is possible...circulating ground-waters. Introduction The Boltysh impact crater located at 48~ 32~ some 850 km south-west...(Masaitis 1974; Y u r k et al. 1975). Boltysh is a complex crater, approximately 24 km in diameter, with |  | | Journal (article/letter/editorial) | | in quartz from the Arizona Crater (Carter, 1956), the Middlesboro Crater in the U.S.A. (Bunch, 1968)...spacing in quartz have been performed for the Ries Crater in West Germany (Engelhardt and Bertsch, and by...craters. a - Granite fragment in allogenic breccias of the Obolonskiy Crater in the Ukraine, im pact pressure...fragment in allogenic breccia of the Boltysh Crater in the Ukraine, 130 ± 20 kbars; c - quartz fragments...Zapadnyy Crater in the Ukraine, 120 ± 20 kbars; d - biotite gneiss fragment from the Obolonskiy Crater, 160 |  | | Report (issue) | | Shiva Structure: A Possible KT Boundary Impact Crater on the Western Shelf of India Highest Panvel...three-dimensional reconstruction of the submerged Shiva crater (-500 km diameter) at the Mumbai Offshore Basin...column were removed to show the morphology of the crater. Special Publications Museum of Texas Tech University...Shiva Structure: A Possible KT Boundary Impact Crater on the Western Shelf of India SankarChatterjee...Shiva Structure: A Possible KT Boundary Impact Crater on the Western Shelf of India Sankar Chatterjee |  | | Journal (article/letter/editorial) | | minerals in impact melt rocks of the Boltysh structure, Ukraine E. P. GUROV*, S. B. SHEKHUNOVA, and V...National Academy of Sciences of Ukraine, Gontchara Str., 55b, Kiev, Ukraine * Corresponding author. E-mail:...opaque minerals from the impact melt rocks of the Boltysh structure, in the central part of the Ukrainian...the basement granites of the Boltysh structure. INTRODUCTION The Boltysh impact structure, a circular...Golubev et al. 1974; Yurk et al. 1975) (Fig. 1). The crater was formed 65.82 0.74 Ma ago and was identified |  | | Book | | sections, where the distal ejecta from Chicxulub crater is well preserved. Scientifically, the workshop...Impact effect on climate and biosphere Ejecta-crater correlation Impact signatures and geochemical...terrestrial impact crater as a mechanism for generating melt to auto-obliterate the crater. They also model...impact of a spherical asteroid of 1 km radius on a granite target and the results demonstrate a sorting of...Popigai impact crater, Siberia. Three types of ejecta facies occur in the upper parts of the crater fill: lithic |  | | Report (issue) | | active lava lake in the Overlook crater within the Halema'uma'u Crater and eruption center of the Kīlauea...6. The early Danian hyperthermal event at Boltysh (Ukraine): Relation to Cretaceous-Paleogene boundary...and Mike Widdowson 7. Plant macrofossils from Boltysh crater provide a window into early Cenozoic vegetation...layer in Texas, northeast Mexico, and the impact crater on Yucatan. She demonstrates the coincidence between...the sediments that infilled the Boltysh meteorite impact crater in Ukraine based on carbon isotopes and |  | MacLagan, E. A., Walton, E. L., Herd, C. D. K., Dence, M. (2018) Investigation of impact melt in allochthonous crater-fill deposits of the Steen River impact structure, Alberta, Canada. Meteoritics & Planetary Science, 53 (11) 2285-2305 doi:10.1111/maps.13122 | Journal (article/letter/editorial) | | Investigation of impact melt in allochthonous crater-fill deposits of the Steen River impact structure...coherent sheets or lenses that form a portion of the crater-fill deposits, (2) discrete clasts within polymict...polymict breccias occurring both in and outside of the crater, (3) impact melt and melt-bearing breccias injected...injected as dykes and veinlets into the crater floor and walls, and (4) distal ejecta-forming tektite or...continuous sequence of impact breccias within the crater-fill deposits of the Steen River impact structure |  | Reimold, W.U, Barr, J.M, Grieve, R.A.F, Durrheim, R.J (1990) Geochemistry of the melt and country rocks of the Lake St. Martin impact structure, Manitoba, Canada. Geochimica et Cosmochimica Acta, 54 (7) 2093-2111 doi:10.1016/0016-7037(90)90273-n | Journal (article/letter/editorial) | | various types of elastic and melt breccias within the crater, an origin by meteorite impact for the Lake St...SHALES + SURFACE SAMPLES PRECAMBRIAN pz ’ GNEISS GRANITE zik FIG. 1. Location of (inset), surface geology...surface sampling localities in the Lake St. Martin crater structure, Manitoba, Canada. Geology after MCCABEand...circle represents inferred original position of crater rim. inner circle represents outer edge of annular...rocks of precratering age are Devonian and that the crater was filled with Jurassic redbeds and evaporites |  | | Journal (article/letter/editorial) | | event responsible for the formation of the Ries crater in southern Germany [6], and Ivory Coast tektites...genetically connected with the Bosumtwi impact crater [7]. However, in contrast to glass-bearing impact...hundreds and even thousands of kilometers from the crater [5, 7]. No statistically significant difference...Tektite-like glasses (irghizites) from the Zhamanshin crater, Kazakhstan: 21—three samples [30] and 20 samples...10—Wabar crater, Saudi Arabia [1]; 11—Aouelloul crater, western Sahara [1]; 12—New Quebec crater, Canada |  | | Journal (article/letter/editorial) | | that type of low-energy impact feature (e.g., the crater-like pits produced 1. Introduction I mpact cratering...km-diameter and roughly 50 kyr-old Meteor Crater (aka Barringer Meteorite Crater) in Arizona is one of the best-preserved...terrain surrounding the crater. Note the pronounced topography of the crater indicated by low-angle sunlight...Tswaing impact crater in South Africa (e.g., Brandt and Reimold, 1995), with its crater bowl seen from...from the uplifted crater rim. After more than 2000 centuries of erosion, its topographic features have been |  | | Book | | illustration: Radar image of the Gosses Bluff impact crater central peak (Australia) acquired in spotlight...Atlas will be very useful to better understand crater formation and evolution and provides a new research...research method that may, hopefully, help new crater findings. Getting through these pages, it is then both...Maria Libera Battagliere, and Maria Virelli Boltysh, Ukraine . . . . . . . . . . . . . . . . . . . . ....Libera Battagliere, and Maria Virelli Ilyinets, Ukraine . . . . . . . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | HFS(Nb、Ta etc.),and can be classified as I type granite. Chordrite -normalized REE diagrams are right-clined...geochemistry of the craterfill sediments from Boltysh impact crater, Ukraine J. WATKINS1*, D.J. DEPAOLO1, C. HUBER1...Ukrainian Academy of Sciences, Kiev, Ukraine The Boltysh impact crater, is a complex structure formed on...which has been dated at 65.17±0.64 Ma [1]. The Boltysh crater has been know for several decades and was originally...However we have recently re-drilled the impact crater and have recovered a near continuous record of |  | | Journal (article/letter/editorial) | | IMPACT DIAMONDS IN GLASS FROM OTTING QUARRY, RIES CRATER, GERMANY. J. 1. Abbott, R. M. Hough, 1. Gilmore...base of the Otting Quarry, Ries, Germany. The Ries Crater is a 25-km-diameter, l6-m.y.-old structure formed...shallow-level impact-derived deposits makes the crater the ideal site for a detailed investigation of...acid-demineralized residues of impact melt rocks from the Ries Crater revealed the presense of impact diamonds, closely...by the impact responsible for the Chesapeake Bay Crater in southeastern Virginia [ 1-31. In this investigation |  | | Journal (article/letter/editorial) | | Argentina. Introduction: A new possible impact crater was discovered during routine flights by Mr. Jorge...s.l). It has 1.0 km in diameter. Results: The crater feature is a clear ring with a raised rim and a...at the top of the chain. The area all around the crater is full of radial and concentric fractures and...the structure. Conclusions: Sierra de Ambato’s crater cannot be a volcanic neck or caldera. Its morphology...there are no visible lava floods coming from the crater itself. No volcanic features have been so far reported |  | | Book | | structures 7.7.2. Thermal evolution of the Ries impact crater 7.7.3. Tektites Sea-Floor Spreading Archaeological...100r---r--------.--------.-------~--~ ..• . CATHEDRAL PEAK GRANITE V) 80 0: .4....--~--~- ~ W >- z o ( 60...variation of apatite and sphene fission-track ages in granite as function of distance to the contact with a younger... 1.0 I- ..... c v o KAW 205 Gohhard pass, granite (1460 tracks) L- ~ o 0.5 ., '0 N '0 § o...at., 1973; Komarov and Raichlin, 1976), impact crater glasses (Gentner et at., 1969b; Gentner and Wagner |
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