 | | 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 |
 | | Journal (article/letter/editorial) |
| (rhenium and gold) in borehole samples from the Clearwater East crater (Canada) and the Boltysh impact crater...crater (Ukraine) GERHARDSCHMIDT Institut fur Kernchemie, Johannes Gutenberg-Universit Mainz, Fritz-Strassmann-Weg...boreholes from the Boltysh impact crater (Ukraine) and six samples from the East Clearwater crater (Canada) were...impact melt rock samples from a bore hole from Boltysh are low in Ir with an average of 0.2 & 0.1 ng/g...chondrites is 2646pg/g (Palme and Beer, 1993). From Boltysh, so far only eight samples have been analyzed for |
 | | 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...Popigai impact crater, Siberia. Three types of ejecta facies occur in the upper parts of the crater fill: lithic...at the study and analysis of the Boltysh impact crater in the Ukraine, which initially was thought to |
 | | 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 |
 | | 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 |
 | | Journal (article/letter/editorial) |
| CRAIG SIMMONS1 Links between planetary degassing, gold and the redox state of Late Archean Oceans? J.L...some 4.5 billion years. Recent studies of ~2.65 Ga gold systems in the Yilgarn Craton, Western Australia...mantle. Goldschmidt Conference Abstracts 2009 Gold geochemical provinces in China SHRIMP U-Pb Age...065000, China (wangxueqiu@igge.cn) Delineation of Gold Geochemical Provinces Geochemical mapping projects...opportunity to display geochemical provinces in China. Gold geochemical provinces are delineated by using average |
 | | 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 (issue) |
| is disrupting lives downstream won a AAAS Kavli Gold Science Journalism Award. “Science is about unearthing...experts wary. “It looks like an “The idea that impact crater, but it could dreds of meters beneath the seafloor...geologist Philippe Claeys of had help — wide impact crater, which they’ve named peak — features expected of...Confirming that the better phrase structure is an impact crater ter formed around the same time that Based on the...Rampino of New York University, Drilling in the crater for minerals that are on land. That’s because impact |
 | | 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...values ranging from 0.94 to 0.99 have been reported (Gold et at., 1968; Wall, 1986; Roberts et at., 1984)...them being currently used in nuclear-track studies (Gold et al., 1984). The most promising systems are the...plastic or mica track detectors becomes possible (Gold et at., 1984). CHAPTER 3 Fission-Track Dating...at., 1973; Komarov and Raichlin, 1976), impact crater glasses (Gentner et at., 1969b; Gentner and Wagner |
