 | Erickson, Timmons M., Pearce, Mark A., Reddy, Steven M., Timms, Nicholas E., Cavosie, Aaron J., Bourdet, Julien, Rickard, William D. A., Nemchin, Alexander A. (2017) Microstructural constraints on the mechanisms of the transformation to reidite in naturally shocked zircon. Contributions to Mineralogy and Petrology, 172 (1) doi:10.1007/s00410-016-1322-0 | Journal (article/letter/editorial) | | constraints on the mechanisms of the transformation to reidite in naturally shocked zircon Timmons M. Erickson1...transformation of zircon to the high-pressure polymorph, reidite. This study quantifies the geometric and crystallographic...phases using naturally shocked zircon grains. Reidite has been characterized in 32 shocked zircon grains...impact crater, in Bavaria, Germany. We have determined that multiple sets (up to 4) of reidite lamellae...demonstrates that all occurrences of lamellar reidite have a consistent interphase misorientation relationship |  | | Report (issue) | | then Meteor Crater, and now recognized by the Meteoritical Society as Barringer Meteorite Crater. When one... Barringer built a case for a relatively small crater while much larger structures were evident on the...the immense Sudbury impact structure in Ontario, Canada, where this series of conferences commenced in...Gusev crater and possibly at Meridiani Planum (Squyres et al., 2008). Curiosity at Gale crater recently...Ga graphite inclusions in apatite found on the island of Akilia in Greenland, however, is thought to |  | | Journal (article/letter/editorial) | | glassy. Figure 1. Fulgurite from Munkmarsch on the island of Sylt (Sylt community, Nordfriesland district...Štiavnica (Banská Štiavnica district, Banská Bystrica region, Slovakia, 48◦ 270 2900 N 18◦ 530 4700 E), the...Mountains (Hnilec, Spišská Nová Ves district, Košice region, Carpathian Mountains, Slovakia, 48◦ 500 3000 N...Bobruisk Ring Structure (Babruysk District, Mogilev Region, Belarus; 52◦ 580 5600 N, 28◦ 590 4900 E) [190]...ultrabasic intrusion of Kazachyn (Kirovogradskaya region, Golovanivsky district, Ukraine, 48◦ 160 2700 N |  | | 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 |  | | 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) | | 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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