 | | 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) | | Structures Impact glass from the ~200 ka Tswaing impact crater, South Africa. PHOTO BY FRED JOURDAN Fred Jourdan1...of the sedimentary cover or the infi ll of the crater. with certainty synchronicity between a large impact...enrichment that can be traced back to the Chicxulub crater (e.g. Schulte et al. 2010). At 65.82 ± 0.65 [0...Ma (Kelley and Gurov 2002), the age of the Boltysh crater (TABLE 1) is also indistinguishable from that...WELL-DATED QUATERNARY CRATERS Crater name Boltysh Diameter (km) Location Ukraine 24 Chesapeake Bay Virginia |  | | Journal (article/letter/editorial) | | chondrites are also known from the Morokweng impact crater in South Africa (Maier et al. 2006). Discoveries...mean detection limits (in wt%) were as follows: apatite—P (Ka, PET, 0.02), rhodonite—Mn (Ka, LIF, 0.02)...65.17 0.64 Ma old, 25-km in diameter Boltysh crater in Ukraine (Kelley and Gurov 2002; Gurov et al. 2006;...south-east of Lech owka. Current studies show that the Boltysh impactor might have been a chondrite (McDonald...meteorite from Lech owka has no connection to the Boltysh impactor (B. Schmitz, Koeberl, personal communication) |  | | 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) | | 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 |  | 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 |  | Schwenzer, S. P., Bridges, J. C., Wiens, R. C., Conrad, P. G., Kelley, S. P., Leveille, R., Mangold, N., Martín-Torres, J., McAdam, A., Newsom, H., Zorzano, M. P., Rapin, W., Spray, J., Treiman, A. H., Westall, F., Fairén, A. G., Meslin, P.-Y. (2016) Fluids during diagenesis and sulfate vein formation in sediments at Gale crater, Mars. Meteoritics & Planetary Science, 51 (11) 2175-2202 doi:10.1111/maps.12668 | Journal (article/letter/editorial) | | and sulfate vein formation in sediments at Gale crater, Mars S. P. SCHWENZER1,2,*, J. C. BRIDGES3, R....Member mudstones of Yellowknife Bay (YKB), Gale crater, Mars, as revealed by the Mars Science Laboratory...Curiosity rover investigations. We compare the Gale crater waters with fluids modeled for shergottites, nakhlites...102 concentration range. A fluid local to Gale crater strata produced the alteration products observed...understand signatures of water-related processes at Gale crater on Mars. After imaging conglomerates within the |  | | Report (chapter) | | and (iii) the discovery of the large Chicxulub crater in the Yucatan Peninsula, Mexico, possibly the...microspherules could be a result of the Chicxulub crater meteorite impact; however, From: Bojar, A.-V....Chicxulub impact crater is associated with three others (the Boltysh crater in Ukraine, dated 65.2 + 0...Silverpit crater in the North Sea, dated 65 Ma, Stewart & Allen 2002; and the Shiva crater, India, dated..., Yoshinobu, A. & Donofrio, R. 2003. The Shiva Crater: implications for Deccan volcanism, Índia –Seychelles |  | 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...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...Martin structure is a structurally modified complex crater of ca. 23 km in diameter. A central uplift consisting |  | | Journal (article/letter/editorial) | | carbonatite rock-forming minerals themselves, such as apatite used as a source of P for fertiliser, are frequently...important ore deposits, including the World’s largest apatite mines in the nepheline syenite at Khibiny, Kola...that certain EM fungi can obtain phosphorus from apatite in the soil and the growth of EM mycelia is usually...the presence of apatite. Elemental analysis of fungal tissue in contact with apatite, reveal accumulation...fungi release oxalate to mobilize phosphorous from apatite and calcium is precipitated as a rest product. |  | | 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) | | reviews of the geochronology of terrestrial impact crater and meteorites, the reader is referred to Jourdan...in post-impact sedimentary deposits within the crater (Partridge 1999; Koeberl et al. 2009). Knowing...paleo-continents; and (6) calibrating the timing of within-crater continental sedimentary deposits (e.g. for regional...(see above). For example, the age of Barringer Crater at 50 + 2 ka (Sutton 1985) is based on cosmic exposure...Among the three Quaternary structures, the Lonar crater and Bosumtwi craters located in India and Ghana |  | | 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 | | Materials 6.2.l. Allanite 6.2.2. Amazonite 6.2.3. Apatite 6.2.4. Barysilite 6.2.5. Bastnasite 6.2.6. Beryl...structures 7.7.2. Thermal evolution of the Ries impact crater 7.7.3. Tektites Sea-Floor Spreading Archaeological...holds for mica but also for other minerals such as apatite (Green et al., 1986) and requires an explanation...hexagonal openings (type B pits) on the basal plane of apatite; the pits which exhibit flat bottoms correspond...with type A pits etched in a pyramid plane of apatite; the picture was taken with reflected light to |  | | Report (issue) | | V., 1991, Chicxulub crater: A possible CretaceousTertiary boundary impact crater: Geology, v. 19, p....particularly DQB3 and the top of DQB2, is rich in apatite, largely in the form of coprolites and fish remains...another paleoecologic effect, the Wetumpka impact crater apparently functioned as a minor terrestrial (island)...with this local catastrophe. Keywords: Wetumpka, crater, impact structure, Alabama, Cretaceous. INTRODUCTION...97 98 King et al. crater, which probably washed over the early-formed crater rim and mixed with fallback |
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