 | Osinski, Gordon R., Lee, Pascal, Spray, John G., Parnell, John, Lim, Darlene S. S., Bunch, Theodore E., Cockell, Charles S., Glass, Brian (2005) Geological overview and cratering model for the Haughton impact structure, Devon Island, Canadian High Arctic. Meteoritics & Planetary Science, 40 (12) 1759-1776 doi:10.1111/j.1945-5100.2005.tb00145.x | Journal (article/letter/editorial) | | overview and cratering model for the Haughton impact structure, Devon Island, Canadian High Arctic Gordon R...Route de l’Aeroport, Saint-Hubert, QC J3Y 8Y9, Canada and Space Science Centre, Department of Geology...Brunswick, 2 Bailey Drive, Fredericton, NB E3B 5A3, Canada 3Mars Institute, SETI Institute and NASA Ames Research...revision accepted 11 November 2005) Abstract–The Haughton impact structure has been the focus of systematic...Eocene. Haughton has an apparent crater diameter of ∼23 km, with an estimated rim (final crater) diameter |  | Metzler, A., Ostertag, R., Redeker, H.-J., Stöffler, D. (1988) Composition of the Crystalline Basement and Shock Metamorphism of Crystalline and Sedimentary Target Rocks at the Haughton Impact Crater, Devon Island, Canada. Meteoritics, 23 (3) 197-207 doi:10.1111/j.1945-5100.1988.tb01282.x | Journal (article/letter/editorial) | | Sedimentary Target Rocks at the Haughton Impact Crater, Devon Island, Canada A. METZLER, R. OSTERTAG,' H...central polymict breccia formation of Haughton impact crater, Canada, have been studied microscopically...are strongly concentrated near the center of the crater. Based on our fieldand laboratory investigations...conclude that vaporization and melting due to the Haughton impact affected the lower section ofthe sedimentary...INTRODUCTION THE HAUGHTON IMPACT STRUCTURE, Devon Island, Canada, is a complex crater with a central uplift |  | | Journal (article/letter/editorial) | | Rb-Sr in naturally shocked rocks; the Haughton Impact Structure, Canada URS SCHARER”* and ALEX DEUTSCH* ’...Monttial, C.P. 8888, Succ. A, Montrial, Qu&ec, Canada H3C 3P8 * Institut ftir Planetologie, Universitgt...breccia of the 23-Ma-old Haughton impact crater on Devon Island (Arctic Canada) were analysed for U-Pb...significantly affect the U-Pb chronometers in monazite and zircon. Monazite preserved its age of crystallization...damaged grains. In 1903.1 (+ 1.4/- 1.1) Ma old monazite from an unshocked reference gneiss, recent Pb-loss |  | | Journal (article/letter/editorial) | | and naturally shocked rocks; the Haughton impact structure, Canada THOMAS STEPHAN* and ELMAR K. JESSBERGER...samples from the -23 Ma old Haughton impact crater, Devon Island, Canada, with different shock stages...plateau ages which are incorrect in terms of the true crater age, yet they provide an upper limit to the time...naturally shocked rocks from the Haughton impact structure, Devon Island, Canada. To study possible shock-induced...of radiogenic argon ). In this respect, the Haughton crater samples appeared to be suited, also, because |  | | Journal (article/letter/editorial) | | Museum, 100 Queen's Park, Toronto, Ont. M5S 2C6, Canada b U.S. Geological Survey, Box 25046, MS 972, Federal...accessory phases from the polymict breccia at the Haughton crater [18]. Therefore, we propose that the observed...ejecta layer from the Manson crater is ruled out by these data because this crater has a basement age of >~...Structure: A Cretaceous-Tertiary boundary impact crater candidate, Science 244, 1565-1568, 1989. 3 C.C...4°Ar/39Ar ages of 65.0 million years ago from Chicxulub crater melt rock and Cretaceous-Tertiary boundary tektites |  | | Book | | C3G76 > Geological Association of Canada Association géologique du Canada GE@text |iS) Digitized by... Impact Structures in Canada eetutouiie to ‘spbsnsO ni Impact Structures in Canada Richard A.F. Grieve...Natural Resources Canada ly Geological Association of Canada Association géologique du Canada Library and...and Archives Canada Cataloguing in Publication Grieve, R. A. F. Impact structures in Canada / Richard A...references. ISBN 1-897095-11-2 1. Meteorite craters--Canada. 2. Impact. 3. Cratering. 4. Collisions (Astrophysics) |  | | Journal (article/letter/editorial) | | ejecta layer associated with a shallow marine impact crater [2]. The distribution of the shocked material within...ejecta that has been transported back towards the crater through water resurge. Whether the two distal localities...Introduction: Eyewitnesses who personally visited the region of the 1908 Tunguska catastrophe soon after the... the strewn field merges into a single crater (Meteor Crater). Recently, high-resolution images of Martian...Martian surface allow to detect hundreds of small crater clusters on Mars [12]. Tunguska event remained |  | | Journal (article/letter/editorial) | | other than the suggestion that the ice in this region is probably close to a steady state condition....of continental volcanic rocks) whereas that of crater ejecta is found to be 7.8E-21 g (0.6% of the total...However most of shocked quartz obviously resided in crater cavities and did not take part in sedimentary processes...element profiles with spatial resolution in the !Lm region and sensitivities of a few ppm has been demonstrated...requires (6 x 1019 J)/€m' However, the near-coma region would have to carry a significant fraction of Halley's |  | | Book | | 8 The East Kemptville Sn Greisen, Nova Scotia, Canada . 4.3.9 The Brandberg West Greisen Vein Systems...Scheelite Dome, an Intrusion-Related Au Deposit, Yukon, Canada . . . . . . . . . . . . . . . . . . . . . . . .... . . . 5.3.2 Ladolam Epithermal System, Lihir Island, Papua New Guinea . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . 6.3.2 King Island Scheelite Deposit . . . . . . . . . . . . . . ...Submarine Hydrothermal Systems: Spreading Centres, Island Arcs and Seamounts . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | Co-rich suessite, a Si-Fe-rich diaplectic glass region, and a kamacite grain with embedded Ti-Cr-Fe-Ni...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 |  | | Book | | layers. Impact ejecta layers farther than five crater radii from their source craters are referred to...from the source crater or, more specifically, to estimate the size of the source crater as well as how...far the discovery site(s) may be from the source crater. In addition, researchers who are studying early...impact ejecta vary with distance from their source crater primarily based on our knowledge of the Cenozoic... . . . . . . . . . . . . . . . . 2 Impact Crater Formation, Shock Metamorphism, and Distribution |  | | Book | | Low-Angle Faults and Related Geological Features of Crater Basements iekenkmannsbsAclvanoyvand) 12 D sStotiletecsccrs:...Impact Melting of Carbonates from the Chicxulub Crater A. P. JonessPxClaeysiand:S. Heuschkeliad.3. 15...Newly Discovered Submarine Early Cambrian Impact Crater Kalle Suuroja and Sten:Suutoja 22.0 ee ...) ee...K-feldspar in granitoids and amphibolites at the Kardla crater, Estonia V.Puura, A.Karki, J.Kirs, K.Kirsimaée...These included taking cultures from the target crater and ejecta, and use of fluorescent dyes to mark |  | | Journal (article/letter/editorial) | | morpho-structural district located in NW Argentina. This region is characterized by an extremely arid climate,...sedimentary deposits. The diameter of the largest crater is 250 meters. Craters are widespread in an oval...diameter of the crater is 20 meters. It is placed 600 m SE of the large simpletype impact crater of 750 meters...meters named Antofalla Crater on ignimbrite rocks of Cenozoic age. Acknowledgements: To Conicet, CONHIDRO...GRAVITY, MAGNETIC AND ELECTROMAGNETIC SURVEYS ON A CRATER ON BASALT OF BAJADA DEL DIABLO ASTROBLEME-STREWN |
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