 | | Journal (article/letter/editorial) | | Shock-Metamorphic Features of Feldspars from the Xiuyan Impact Crater Feng Yin * and Deqiu Dai Hunan Provincial...University of Science and Technology, Xiangtan 411201, China; ddqygf@163.com * Correspondence: yinfeng@hnust...feldspars in the lithic breccia and suevite from Xiuyan Impact Crater were investigated using polarizing optical...microprobes to better constrain the shock history of this crater. For this study, feldspar grains occurring in gneiss...features; high pressure and high temperature; Xiuyan Impact Crater 1. Introduction Feldspar, a framework silicate |  | | Journal (article/letter/editorial) | | crystallization from shock-produced silica melt in the Xiuyan crater Ming Chen ⁎, Wansheng Xiao, Xiande Xie Guangzhou...Academy of Sciences, Wushan, 510640 Guangzhou, China a r t i c l e i n f o Article history: Received...gneiss clasts of polymict breccia from the Xiuyan crater. Quartz occurs as idiomorphic, needle-like and...of 10 ms in the coesite stability field for the crater. Higher pressure in silica melt could play a key...unambiguous evidence for an impact origin of the crater. © 2010 Elsevier B.V. All rights reserved. 1. |  | Jaret, Steven J., Phillips, Brian L., King, David T., Glotch, Tim D., Rahman, Zia, Wright, Shawn P. (2017) An unusual occurrence of coesite at the Lonar crater, India. Meteoritics & Planetary Science, 52 (1) 147-163 doi:10.1111/maps.12745 | Journal (article/letter/editorial) | | An unusual occurrence of coesite at the Lonar crater, India Steven J. JARET1*, Brian L. PHILLIPS1, David...basalt at Lonar crater, India. This is the first report of coesite from the Lonar crater. Coesite occurs...identified in natural materials from the Meteor Crater, Arizona (Chao et al. 1960). Since then, coesite...made on samples taken at Ries crater, where stishovite and coesite co-occur but the coesite cuts across...South Africa Saudi Arabia China Ukraine Structure Logoisk Meteor Crater Mien Obolon Obolon Popigai |  | | Journal (article/letter/editorial) | | to a large amount of sandstone of the Barringer crater in Arizona, which was the product of an iron meteorite...was crucial evidence proving that the Barringer crater was formed by an asteroidal impact and was not...investigations of high-pressure minerals resumed in China, France, Germany, Japan, and the United States in...(1997). conditions has not yet been established, albite (NaAlSi3O8), which is a representative feldspar...1978, 2006; Yagi et al. 1994; Zhou et al. 2017); albite breaks down to jadeite (NaAlSi2O6) + quartz (SiO2) |  | | Journal (article/letter/editorial) | | Institute of Deep-Sea Science and Engineering, Sanya, China * Corresponding author. E-mail: jjackson@usgs.gov...peak shock conditions that rocks within an impact crater experienced and can be useful indicators for their...sandstones at Meteor Crater in Arizona (Chao et al. 1960) and in suevites of the Ries impact crater in Germany...therein; Morrow 2007) Impact crater name and location Pressure and temperature conditions...cores of vesicular glass Lonar, India Meteor Crater, USA Based on widespread quartz deformation features |  | Hu, Sen, Li, Yang, Gu, Lixin, Tang, Xu, Zhang, Ting, Yamaguchi, Akira, Lin, Yangting, Changela, Hitesh (2020) Discovery of coesite from the martian shergottite Northwest Africa 8657. Geochimica et Cosmochimica Acta, 286. 404-417 doi:10.1016/j.gca.2020.07.021 | Journal (article/letter/editorial) | | Academy of Sciences, Beijing 100029, China 7 2Innovation 8 China 9 3College Laboratory of Earth and... 10 Beijing 100049, China 11 4Center 12 Sciences, Guiyang 550081, China 13 5National 14 *Correspondence...Beituchengxi Road, Chaoyang 15 District, Beijing, China, 100029. 16 Keywords: Mars, shock metamorphism... almost identical to that of Type I coesite. The co-occurring maskelynite 185 and outer parts associated... with nanometer-sized coesite 215 (~ 10-50 nm) co-occurring with silica glass (Fig. S4). Tiny coesite |  | Stangarone, Claudia, Angel, Ross J., Prencipe, Mauro, Mihailova, Boriana, Alvaro, Matteo (2019) New insights into the zircon-reidite phase transition. American Mineralogist, 104 (6) 830-837 doi:10.2138/am-2019-6827 | Journal (article/letter/editorial) | | calculated and measured Raman spectrum of triclinic albite (NaAlSi3O8). Journal of Raman Spectroscopy, 46...in sandstone at the Ordovician Rock Elm impact crater. Geology, 43, 315–318. Cavosie, A.J., Timms, N...(2018) New clues from Earth’s most elusive impact crater: evidence of reidite in Australasian tektites from...(2013) Natural occurrence of reidite in the Xiuyan crater of China. Meteoritics & Planetary Science, 48, 796–805...record of ground zero in the Chesapeake Bay impact crater—Suevites and related rocks. GSA Special Paper, |  | Schmieder, M., Tohver, E., Jourdan, F., Denyszyn, S.W., Haines, P.W. (2015) Zircons from the Acraman impact melt rock (South Australia): Shock metamorphism, U–Pb and 40 Ar/ 39 Ar systematics, and implications for the isotopic dating of impact events. Geochimica et Cosmochimica Acta, 161. 71-100 doi:10.1016/j.gca.2015.04.021 | Journal (article/letter/editorial) | | of the 30 km-diameter inner depression of the crater area as seen from the top of Mount Stanley; view... as well as the small 350 m Monturaqui impact crater in the Chilean Andes (Ugalde et al., 2007), Acraman...volcanic target rocks. 1.2. Use of zircon in impact crater dating Zircon (tetragonal ZrSiO4 with an average...impact craters on Earth (e.g., the 100 m Wabar main crater, Saudi Arabia; Schmieder and Buchner, 2009). As...zircons in terrestrial and extraterrestrial impact crater geochronology. 2. THE ACRAMAN IMPACT IN THE STRATIGRAPHIC |  | | Journal (article/letter/editorial) | | characterized carbon-phase from the Ries-impact crater (El Goresy and Donnay 1968) has a unit cell of...carbon-phase of unknown structure from the Popigai impact crater that also exhibits a very large unit cell. Lonsdaleite...metamorphic rocks from the Luobusha complex in Tibet, China. The cubic sphalerite-type structure of boron nitride...srilankite has been reported from the Ries impact crater (El Goresy et al. 2001) and the Luobusha complex...occurrence in terrestrial impact sites such as Barringer crater (Chao et al. 1962), Ries (Shoemaker and Chao 1961) |  | | Journal (article/letter/editorial) | | intact kamacite grains with variable amounts of Ni and Co and terrestrial ferrihydrite haloes to terrestrial...ARGENTINA. Campo del Cielo (S 2730¢, W 6142¢). Impact crater strewn field. At list twenty craters with an age...largest well stated impact crater in South America. It is a 40-km diameter crater in Paleozoic sediments...chondrite fall on September 15, 2007 digging a crater of 15 m. A5 5418 NWA 6588: NEW ANOMALOUS LL6...3), 3% sulfides: pentlandite (Fe = 17.6 Ni = 22.8 Co = 2.1 Si = 2.0 S = 55.3, atom%), stoichiometric pyrite |  | | Journal (article/letter/editorial) | | metallic Cu and CuFe (~85 wt.% Cu, 14 wt.% Fe ± < 1wt.% Co, Ni, S) alloys. The Aqueously Altered. MIL 07525...06100. Although the average Co/Ni ratio of metal nodules is nearly solar, Co and Ni are not correlated...chondrites were observed in coarse opaque rims, including Co-rich suessite, a Si-Fe-rich diaplectic glass region...containing variable amounts of Fe, Mg, Al, Ca, Ni, and Co in the A site, and extensive replacement of P in...Argentina. Introduction: A new possible impact crater was discovered during routine flights by Mr. Jorge |  | | Journal (article/letter/editorial) | | was conducted on the EMP for Mg, Fe, Cr, Si, S, Na, Co, Ti, Al, P, Ni, Mn, and Ca at 20nA and 15kV, with...troilite (20-35wt% S), taenite (up to 64wt% Ni, 0.7wt% Co), and kamacite (7-8wt% Ni). Phases are distributed...collision was possible in case of spatial and temporal co-occurrence of Phaeton II's perihelion and Phaeton...that John's rock did not produce a typical impact crater. Instead, it formed the massive (>50 m3) canal...Tunguska catastrophe. The absence of classic impact crater in Tunguska is similar to several other cases when |  | | 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... 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...391: 42-54. COMPOSITIONAL END MEMBERS IN GALE CRATER, MARS. C. C. Bedford1, J. C. Bridges2, S. P. Schwenzer1 |  | | Journal (article/letter/editorial) | | Ge Rb Cs Se Te Sn Zn Ir Pt W Rh Pd Au Na Fe Ni Co Mo Ru Re Os -20 Mg Al Ca Ti Cr Mn -15 -20 K Li...Ir -5 5 Pt W Rh 0 Ru Re Os 5 Ti Cr Mn Fe Ni Co Mo Model error (%) Model error (%) 10 Mg Al Ca...[3]. However, this ratio of one assumes that all CO/CO2 was converted to CH4, freeing up O to form water...produced by the Acheson process below. SiO2 + C à SiC + CO at 2500 – 2700 K Silicon carbide prepared by this...olivine and reacted with carbon, producing SiC and CO. The temperature of the Acheson process at atmospheric |  | | Journal (article/letter/editorial) | | using a Deltech furnace with gaseous mixtures of CO and CO2 to control fO2 to IW-1. Experimental charges...relative to most chondrites but similar to some CVox, CO and CK chondrites suggests that the initial chondrite...was conducted on the EMP for Mg, Fe, Cr, Si, S, Na, Co, Ti, Al, P, Ni, Mn, and Ca at 20nA and 15kV, with...of Colorado Boulder, Geological Sciences, Boulder, CO 80309, USA, 3Department of Physics and Astronomy...inner solar system is based on models relating the crater densities of planetary surfaces to calibrated radiometric |
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