 | | Journal (article/letter/editorial) | | metastability of stishovite and coesite in lithic clasts from suevite of the Ries impact crater (Germany) Volker...microtextures of stishovite and coesite in shocked non-porous lithic clasts from suevite of the Ries impact structure...In weakly shocked rocks (stage I), finegrained stishovite (£1.8 lm) occurs in thin pseudotachylite veins...high-pressure frictional melts. Generally no stishovite was found in planar deformation features (PDFs)...pseudotachylite vein and a large ilmenite grain, in which stishovite occurs within two sets of lamellae. It is assumed |  | | Journal (article/letter/editorial) | | discovery of another high-pressure form of silica, stishovite, which was also from Meteor Crater. These discoveries...planetary crusts. The discovery of coesite and stishovite in an established impact crater did not only...fragments collected by E. Shoemaker from the Otting suevite in the Ries. The joint publication by Shoemaker and...mechanism of the Ries Crater in the Suebian Alb mountains in southwest Germany. Until then, the Ries was considered...data and from petrographic observations, mainly on Ries material. Ed Chao is the quintessential founder |  | | Journal (article/letter/editorial) | | shocked granitic clasts in suevite deposits from the Ries Crater DONALD WARD', FWEDRICH HCIRZ’and DIETER...suetite ejecta deposits beyond the rim of the Pies, Germany, impact crater have been characterized as to modal...estimate that ~50% of the materil composing the “‘hot” Ries ejects should show at least partially reset K-Ar...(ENGELHARQT and GRAUP,1984) of the l&s Crater, Germany, as an invention into resetting of K-Ar ages in...similar cooling histories. Furthemoq the age of the Ries impact is well established at 15 My (GENTNER d al |  | El Goresy, A., Dubrovinsky, L., Gillet, P., Graup, G., Chen, M. (2010) Akaogiite: An ultra-dense polymorph of TiO2 with the baddeleyite-type structure, in shocked garnet gneiss from the Ries Crater, Germany. American Mineralogist, 95 (5) 892-895 doi:10.2138/am.2010.3425 | Journal (article/letter/editorial) | | structure, in shocked garnet gneiss from the Ries Crater, Germany Ahmed El Goresy,1,2,* Leonid Dubrovinsky... D-95440 Bayreuth, Germany 2 Max-Planck-Institut für Chemie, 55128 Mainz, Germany 3 Laboratoire de Sciences...in the Suevite breccia of the Ries meteorite impact crater in Germany. The chemical formula of akaogiite...University in Tokyo, Japan. Keywords: Akaogiite, Ries Crater, suevite impact breccia, shock, rutile, TiO2-II...Li-niobate structured FeTiO3 Introduction The Ries Crater in Germany was first established as a meteorite impact |  | | Journal (article/letter/editorial) | | liquid immiscibility upon impact melting: Ries Crater, Germany GUNTHER GRAUP Max-Planck-Institut fiir Chemie...Abteilung Geochemie, Postfach 3060, D-55020 Mainz, Germany Author's e-mail address: graup@mpch-mainz.mpg.de...2) Abstract-The 24 km diameter Ries impact crater in southern Germany is one of the most studied impact...impact structures on Earth. The Ries impactor struck a Triassic to Upper Jurassic sedimentary sequence overlying...immiscibility between silicate and carbonate melt in the Ries suevite includes carbonate globules within silicate |  | | Journal (article/letter/editorial) | | y s t a l l i n e R o c k s of t h e Niirdlinger Ries Crater DIETER STOFFLER Mineralogisch-Petrographisches...tuff-like breccia found in the area of the NSrdlinger Ries crater, display a continuous gradation of metamorphism...phenomenon gives further support to the theory that Ries crater is of meteoritic origin and that suevite...allochthonous masses of crystalline basement rocks in the Ries area 1 ist derived almost exclusively from research...petrographic evidence for the impact origin of the Ries Basin and for shock metamorphism of crystalline |  | | Journal (article/letter/editorial) | | Arbeitsgruppe fiir Ballistische Forschung Weil/Rhein, Germany Refractive index, density and infrared absorption...Institut der Universitat Tiibingen, 74 Tubingen, Germany Meteoritics, Vol. 7, No.3, September 30, 1972 ...and analyzed isotropic feldspars in rocks of the Ries crater and in the Shergotty meteorite, respectively...found glasses of quartz composition in rocks of the Ries and Arizona crater, respectively. Not only until...in the suevite and other breccias of the Ries crater, Germany, by standard mineral separation and final |  | Engelhardt, W. V., Arndt, J., Fecker, B., Pankau, H. G. (1995) Suevite breccia from the Ries crater, Germany: Origin, cooling history and devitrification of impact glasses. Meteoritics, 30 (3) 279-293 doi:10.1111/j.1945-5100.1995.tb01126.x | Journal (article/letter/editorial) | | Pnnted in USA Suevite breccia from the Ries crater, Germany: Origin, cooling history and devitrification...Tubingen, Germany 2Mineralogical Institute, Freie Universitat Berlin, Takustr. 6, 14195 Berlin, Germany (Received...surficial suevite breccias of the Ries impact crater in Southern Germany are reviewed, and the morphology...distinguishes water-bearing suevite glasses from the Ries-derived, water-free moldavite tektites, which are...interesting impact formation of the Ries crater, not only with regard to the Ries event but for cratering mechanics |  | El Goresy, Ahmed, Chen, Ming, Gillet, Philippe, Dubrovinsky, Leonid, Graup, Günther, Ahuja, Rajeev (2001) A natural shock-induced dense polymorph of rutile with α-PbO2 structure in the suevite from the Ries crater in Germany. Earth and Planetary Science Letters, 192 (4) 485-495 doi:10.1016/s0012-821x(01)00480-0 | Journal (article/letter/editorial) | | K-PbO2 structure in the suevite from the Ries crater in Germany Ahmed El Goresy a; *, Ming Chen a;b , Philippe...Chemie, J. Joachim-Becher-Weg 27, 55128 Mainz, Germany Guangzhou Insitute of Geochemistry, Chinese Academy...was discovered in shocked garnet gneisses from the Ries crater by reflected-light microscopy, laser microRaman...Elsevier Science B.V. All rights reserved. Keywords: Ries Crater; polymorphism of TiO2 ; rutile; shock metamorphism...constituent in natural rocks. It is isostructural with stishovite. Hence, its response to static and dynamic pressure |  | | Journal (article/letter/editorial) | | within a dense metamorphic rock from the Ries crater (Germany) Received: 12 March 2004 / Accepted: 21...metamorphic rock from the suevite breccia of the Ries impact crater was studied by scanning-electron microscopy...Heidelberg, Im Neuenheimer Feld 236, 69120 Heidelberg, Germany E-mail: vstaehle@min.uni-heidelberg.de Tel.: +49-6221-546069...University of Mainz, Becherweg 21, 55099 Mainz, Germany Present address: M. Koch Department of Geosciences...km wide and 600 m deep structure of the Ries in southern Germany is geologically a very young crater with |  | Stöffler, Dieter, Artemieva, Natalia A., Wünnemann, Kai, Reimold, W. Uwe, Jacob, Juliane, Hansen, Birgit K., Summerson, Iona A. T. (2013) Ries crater and suevite revisited-Observations and modeling Part I: Observations. Meteoritics & Planetary Science, 48 (4) 515-589 doi:10.1111/maps.12086 | Journal (article/letter/editorial) | | 515–589 (2013) doi: 10.1111/maps.12086 Invited Review Ries crater and suevite revisited—Observations and modeling...Berlin, Germany 2 Humboldt-Universit€at zu Berlin, Unter den Linden 6, D-10099 Berlin, Germany 3 Russian...interdisciplinary project devoted to the 26 km-diameter Ries crater and to the genesis of suevite. Recent laboratory...volume of impact melt (4.9/8.0 km3) produced by the Ries impact event prior to erosion. These volumes are...THE RIES CRATER Pre-Impact Stratigraphy and Time of the Impact Event Geological Maps of the Ries Crater |  | | Journal (article/letter/editorial) | | on May 23, 1939, in Schramberg, Kreis Rottweil, Germany. He began his studies of mineralogy and geology...at the Eberhard Karls University in T¸bingen, Germany in 1958 and received his doctorate in natural sciences...M¸nster, the only chair and institute of its kind in Germany. In 1993, Dieter moved on to Humboldt University...von Engelhardt (Fig. 2), who introduced him to the Ries impact crater, which became one of Dieter’s life-long...Of the many papers that Dieter published on the Ries, several are seminal and have influenced the entire |  | | Journal (article/letter/editorial) | | Printed in USA. Suevite breccia of the Ries impact crater, Germany: Petrography, chemistry and shock metamorphism...University, Wilhelmstrasse 56, D-71072 Tiibingen, Germany (Received 1997 February 4; accepted in revisedform...crystalline basement rocks in suevites of the Ries crater, Germany, were catalogued lithologically and classified...levels and less melt. INTRODUCTION The Ries crater in Southern Germany offers particularly favourable conditions...several investigations on ejecta formations of the Ries structure and their components, no precise data |  | Goresy, Ahmed El, Gillet, Philippe, Chen, Ming, Künstler, Friedel, Graup, Günther, Stähle, Volker (2001) In situ discovery of shock-induced graphite-diamond phase transition in gneisses from the Ries Crater, Germany. American Mineralogist, 86 (5) 611-621 doi:10.2138/am-2001-5-603 | Journal (article/letter/editorial) | | graphite-diamond phase transition in gneisses from the Ries Crater, Germany AHMED EL GORESY,1,* PHILIPPE GILLET,2 MING...Max-Planck-Institut für Chemie, J.-Becher-Weg 27, 55128 Mainz, Germany Laboratoire de Sciences de la Terre, Ecole Normale...Heidelberg, im Neuenheimer Feld 236, 69120 Heidelberg, Germany ABSTRACT Reflected-light microscopy and fine-scale...te gneisses in suevites of the Ries meteorite impact crater, Germany, led to the discovery of impact...inactive. INTRODUCTION Impact diamonds in the Ries Crater in Germany were first found in glass bombs by Rost |  | | Report (chapter) | | of shock in quartzrich rocks are coesite and stishovite. These dense phases of silica were first observed...origin of other craters such as the Ries crater in Southern Germany (Shoemaker & Chao 1961). At such high...associated with the Chicxulub impact crater and the Ries impact crater have also given ~13C values in this...Diamonds (Gilmour et al. 1992; Hough et al. 1995) Ries Impact Diamonds (Hough et al. 1995) 09 El. E O...diamonds and impact diamonds from the Chicxulub and Ries impact structures. Table 1. Carbon isotopic compositions |  | | Journal (article/letter/editorial) | | inclusions in crystalline basement rocks from the Ries crater, Germany Megan E. ELWOOD MADDEN1†*, David A. KRING2...crystalline basement target rocks from the Ries crater, Germany. The occurrence of two-phase fluid inclusions...Stˆffler [1971] collected at Wegenhausen) from the Ries impact crater. These aqueous fluid inclusions contain...(Stˆffler et al. 2002). MATERIALS AND METHODS The Ries crater, a 14–15 Ma (Schwarz and Lippolt 2002) complex...complex impact crater in southeastern Germany that is 24 km in diameter (Pohl et al. 1997) (Fig. 5), has |  | | Journal (article/letter/editorial) | | deposits and implications for their origin (Ries suevite, Germany) Susann SIEGERT 1,2, * and Lutz HECHT1...atsforschung, Invalidenstraße 43, 10115, Berlin, Germany 2 Freie Universit€at Berlin, Institut f€ ur Geologische...Wissenschaften, Malteserstraße 74-100, 12249, Berlin, Germany *Corresponding author. E-mail: susann.siegert@mfn...focuses on impact melt particles in suevite at Ries, Germany. Textures and chemical evidence indicate that...(Koeberl et al. [2012] and references therein). The Ries impact structure is where suevite was first defined |  | El Goresy, Ahmed, Gillet, Ph., Miyahara, M., Ohtani, E., Ozawa, S., Beck, P., Montagnac, G. (2013) Shock-induced deformation of Shergottites: Shock-pressures and perturbations of magmatic ages on Mars. Geochimica et Cosmochimica Acta, 101. 233-262 doi:10.1016/j.gca.2012.10.002 | Journal (article/letter/editorial) | | Geoinstitut, Universität Bayreuth, 95447 Bayreuth, Germany Institut de Physique de la Matière condensée...with ZrO2-structure, stishovite, a dense liquidus assemblage consisting of stishovite + Na-hexa-aluminosilicate...individual high-pressure silica polymorphs alone like stishovite, to estimate the equilibrium shock pressure,...same peak-shock pressure. Occurrence of Na-CAS + stishovite, lack of the NaAlSiO4 Ca-ferrite structured polymorph...Cosmochimica Acta 101 (2013) 233–262 or the Ries Crater in Bavaria, Germany (Chao, 1967; von Engelhardt et al. |  | | Journal (article/letter/editorial) | | impact glasses from the Nördlinger Ries impact crater, Germany TORSTEN W. VENNEMANN,1,* ANDREAS MORLOK...Tübingen, Germany 2 Institut für Planetologie, Universität Münster, D-48149 Münster, Germany 3 Department...in revised form October 30, 2000) Abstract—The Ries impact, which today is represented by a 24-km-diameter...impactor. 1. INTRODUCTION The Ries impact crater in southern Germany, which is represented by a complex...Vennemann et al. Fig. 1. Locality of the Ries basin in Germany and approximate extent of the fallback breccias |  | | Journal (article/letter/editorial) | | Furthermore, a high-pressure phase (possibly stishovite) in PDFs can be detected in color SEM-CL images...nonluminescent PDFs in shocked quartz grains from the Ries crater. The reason for the different CL emissions...suggesting that a high-pressure phase, possibly stishovite, can be detected in SEM-CL images. Directly comparing...grains from different impact structures (El’gygytgyn, Ries, Popigai, Rochechouart, and Vredefort). The same...polished, carbon-coated thin section of sample RI-37 (Ries, see Table 1) with red luminescent PDFs, on a Zeiss |  | | Journal (article/letter/editorial) | | der Auswurfsmassen des Impaktkraters N6rdlinger Ries Von HOI~STGALL,DIETER MOLLER, Mfinchen, und DIETERST6FFLER...Hinblick auf die Bedeutung des Impaktkraters N6rdhnger Ries im Bereich der planetarischen Geologie wird versucht...sind. Abstract Regarding the importance of the Ries impact structure in the field of planetary geology...presently known results of geologic mapping in the Ries area and of general field and laboratory observations...characteristics of the structure and composition of the Ries ejecta formations are discussed and verified quantitatively |  | | Journal (article/letter/editorial) | | lamellae, high pressure polymorphs (coesite and stishovite), diaplectic glass, and lechatelierite. Recently...2. Limited wavelength CL images of PDFs from the Ries (a-d), Rochechouart (e), and Vredefort (f) impact...impact structures. PDFs are visible in the Ries and Rochechouart samples, but in the Vredefort sample, they...impact structures that have been extensively studied (Ries, Rochechouart, Popigai, and Vredefort), and for...the same impact structures. Six grains from the Ries crater and four grains from the Popigai crater were |  | | Journal (article/letter/editorial) | | La Malbaie and Manicouagan Lake, Canada; Ries Crater, Germany; the Toba caldera, Sumatra; the Vredefort...high-pressure polymorphs of silica (coesite and stishovite) and diaplectic glass [2,3], generally considered...around the world [5]. In some sites, coesite and stishovite have also been detected [6]. Together, these...well-characterized impact sites of Ries Crater, Germany ~ (granite from suevite of Otting) 1 Samples provided by...by W. v. Engelhart, Tubingen University, Germany. O. G O L T R A N T E T AL. [18], La Malbaie (charnockitic |  | | Journal (article/letter/editorial) | | Berlin, Germany 2 Humboldt-Universit€at zu Berlin, Unter den Linden 6, 10099 Berlin, Germany 3 Institute...at Berlin, Malteserstr. 74–100, 12249 Berlin, Germany 4 Institut f€ ur Planetologie, Westf€alische Wilhelms-Universit€...unster, Wilhelm-Klemm-Str. 10, 48149 M€ unster, Germany * Corresponding author. E-mail: dieter.stoeffler@mfn-berlin...defined at terrestrial impact craters in Canada and Germany around 1965. The driving force for this fundamental...high-pressure polymorphs of quartz, coesite, and stishovite, in static high-pressure devices (Coes 1953; |  | | Journal (article/letter/editorial) | | an underlying crystalline basement: comparing the Ries (24 km) and Chicxulub (180 km) impact craters...accepted 25 October 2004 Abstract The Chicxulub and Ries impact craters were excavated from layered continental...crystalline silicate basement materials. The Chicxulub and Ries impact events were sufficiently large to produce...excavation cavities, with diameters of 12–16 km for the Ries and 90–100 km for Chicxulub, collapsed to form final... at the Ries, similar breccias (crater suevites) filled the central cavity. Also at the Ries (and presumably |
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