 | | Journal (article/letter/editorial) | | most fulgurites: an SiO2 glass identified as lechatelierite and a groundmass of more varied composition...Florida, 4202 E Fowler Ave, SCA 528, Tampa, FL 33620, USA e-mail: mpasek@usf.edu K. Block Department of Planetary...Blvd, Tucson, AZ 85721, USA V. Pasek Free Radical Consulting, Seffner, FL 33584, USA type—droplet fulgurites—is...Additionally, two fulgurites, both from York County, Pennsylvania, USA, showed the reduction of iron to iron...extraterrestrial material. Keywords Fulgurite Lechatelierite Contact metamorphism Silicides Introduction |  | | Journal (article/letter/editorial) | | (1990) © Meteoritical Society, 1990. Printed in USA Tektite research 1936-1990* VIRGIL E. BARNES Bureau...University Station, Box X, Austin, TX 78713-7508, USA (Received 21 February 1990; accepted in revised...particles In tektites. were fused quartz (lechatelierite). Later, during National Science Foundation-supported...that the content and character of bubbles in lechatelierite can be used as.a relative temperat~re scale...Progress Administration mineral survey of Grimes County. H. B. Stenzel, of our bureau, recognized that |  | | Journal (article/letter/editorial) | | © Meteoritical Society, 1990. Printed in USA Lechatelierite inclusions in indochinites and the origin...data suggest that the parent material for the lechatelierite inclusions is not the conventional detrital...biogenic opal-CT. According to this model, the lechatelierite inclusions are formed by shock melting of opal...between lechatelierite inclusions in them. INTRODUCTION SILICA GLASS INCLUSIONS, or lechatelierite particles...only universal inclusion type in tektites. Lechatelierite inclusions characterize all known tektite groups |  | Glass, B.P., Koeberl, C., Blum, J.D., Senftle, F., Izett, G.A., Evans, B.J., Thorpe, A.N., Povenmire, H., Strange, R.L. (1995) A Muong Nong-type Georgia tektite. Geochimica et Cosmochimica Acta, 59 (19) 4071-4082 doi:10.1016/0016-7037(95)00290-g | Journal (article/letter/editorial) | | 4071-4082. 1995 0 199s Elsevier Science Ltd Pnntedin USA. All nghtsreserved Ool6-7037195 $9.X)+ .oO the ...Department, University of Delaware, Newark, DE 19716, USA %stitute of Geochemistry, University of Vienna. Geozentrum-UZAII...Hanover, NH 03755, USA 4Physics Department, Howard University, Washington, DC 20059, USA ‘3012 East Whittaker...VA 23 185, USA ‘Department of Chemistry, University of Michigan, Ann Arbor, MI 48109, USA ‘215 Osage...Indian Harbour Beach. PI. 32937, USA “Sandersville, GA 3 1082, USA (ReceivedApril 13, 1995; accepted |  | | Journal (article/letter/editorial) | | (1996) 0 Meteoritical Society, 1996. Printed in USA. Invited Review Shock metamorphism of quartz in... coesite, stishovite, diaplectic glass and lechatelierite) are discussed for terrestrial impact structures...Stishovite ................................... Lechatelierite . . ............................. Comparison...coesite and ( 5 ) melting and quenching to lechatelierite. Mosaicism Under the microscope, shock-induced...assemblage is lechatelierite and coesite, which forms% highly vesiculated rock. Lechatelierite Lechatelierite |  | | Journal (article/letter/editorial) | | F'rintcd in USA. The Barringer Award Address Presented 1993 July 22, Vail, Colorado, USA Shock metamor...Planar Clearwater Lakes,Canada Middlesborough, USA 1961 CHAO et al., 1960 ENciLuND AND Rom, microstructures...(1907) and Rogers (1930) described silica glass (lechatelierite) from sandstones of the Barringer crater for...stishovite) 5. Liquid (quenched to silica glass = lechatelierite) 6. Vapor (condensed to silica glass?) These...as the fomtion of coesite or silica glass (lechatelierite), are also known fiom endogenic geological |  | Macris, Catherine A., Asimow, Paul D., Badro, James, Eiler, John M., Zhang, Youxue, Stolper, Edward M. (2018) Seconds after impact: Insights into the thermal history of impact ejecta from diffusion between lechatelierite and host glass in tektites and experiments. Geochimica et Cosmochimica Acta, 241. 69-94 doi:10.1016/j.gca.2018.08.031 | Journal (article/letter/editorial) | | history of impact ejecta from diffusion between lechatelierite and host glass in tektites and experiments...history of impact ejecta from diffusion between lechatelierite and host glass in tektites and experiments...history of impact ejecta from diffusion between lechatelierite and host glass in tektites and experiments...California Institute of Technology, Pasadena, CA, 91125, USA. 2 Institut de Physique du Globe de Paris, Paris...Sciences, University of Michigan, Ann Arbor, MI, 48109, USA. *Corresponding Author. Current affiliation: Department |  | | Journal (article/letter/editorial) | | abundance of bubbles, abundance of lechatelierite, size frequency of lechatelierite and maximum projection sphericity...Chemical composition and size frequency of lechatelierite, were the factors determining the bulk density...different bubble shapes and different amounts of lechatelierite, were selected for study. For each moldavite...Similar data are also placed in documentation for lechatelierite. BULK DENSITY Bulk density was determined...Information Sciences, Inc. 22 West 34th Street, New York, New York 10001, remitting $1.00 for microfiche or $3 |  | | Journal (article/letter/editorial) | | (1989) © Meteoritical Society, 1989. Printed in USA North American tektite debris and impact ejecta...Geology, University of Delaware, Newark, DE 19716 USA (Received 15 March 1989; accepted in revisedform...parallel to each other. The glass also contains lechatelierite particles and occasionally quartz grains. Some...been partly or almost completely converted to lechatelierite (Fig. 4B). Some of the glass fragments exhibit...quartz grain (high relief) partly melted to lechatelierite (heart-shaped grain, about 90 x 60 urn in size |  | | Journal (article/letter/editorial) | | 8, pp. 801–814. Fluid+Melt Intrusions in Lechatelierite from the Popigai Suevites: A Product of Dynamic... 2009 Abstract—The paper presents data on lechatelierite form suevites of the Daldyn Formation in the...the Popigai astrobleme. Some of the lechatelierite samples show a complicated structure and contain block...display evidence of partial homogenization with lechatelierite. The glasses of type III are clearly separated...The evolution and partial vitrification of lechatelierite and the glasses of types I and II proceeded |  | | Journal (article/letter/editorial) | | University of Delaware, Newark, Delaware 19716, USA 4Laboratoire de Mineralogie, Museum d'Histoire Naturelle...buried Chesapeake Bay impact structure, eastern USA, is a likely candidate for the source crater of the...details of the system and the method see Bottomley and York (1988), Bottomley et al. (1990), and Glass et al...The volume abundance of bubble cavities and lechatelierite particles were determined for each specimen...generally made up less than 1 vol% of the glass. Lechatelierite particles were generally more abundant than |  | | Journal (article/letter/editorial) | | This article was downloaded by: [York University Libraries] On: 05 January 2015, At: 08:02 Publisher:... Soboleva, and D. I. Frikh-Khar Downloaded by [York University Libraries] at 08:02 05 January 2015 ...class III. The content of vesicular glass (lechatelierite) increases with increasing level of impact...elements in it, and also in the pres ence of lechatelierite and coesite and stishovite, silica phases with...water vapor, and the other form, vesicular lechatelierite (with round pores several hundred A or more |  | Alte da Veiga, Nuno M. S., MartÃn-Gil, Francisco J., MartÃn-Gil, Jesús, Gomes, Elsa Maria Carvalho, MartÃn-Ramos, Pablo (2021) Physico-chemical study of an exogenic fulgurite from a thunderstorm on 10th August 2013 in Dallas, TX. Physics and Chemistry of Minerals, 48 (3) doi:10.1007/s00269-021-01134-w | Journal (article/letter/editorial) | | that took place on 10th August 2013, in Dallas, TX, USA, has been analyzed using X-ray powder diffraction...naquite (FeSi); and melted ÂSiO2 glass, or lechatelierite, which cannot be produced volcanically (Bunch...trinitite sample from Trinity site, Alamogordo, NM, USA, generated after the explosion of the first atomic...from Meteor Crater, near Winslow, Northern Arizona, USA (as part of the Younger Dryas cooling episode 12...2  a Exogenic fulgurite from Elko Hills, Elko County, NV, USA (size: 27 × 19 × 16 mm; weight: 5.32 g) (Mohling |  | SEE, T. H., WAGSTAFF, J., YANG, V., HÖRZ, F., MCKAY, G. A. (1998) Compositional variation and mixing of impact melts on microscopic scales. Meteoritics & Planetary Science, 33 (4) 937-948 doi:10.1111/j.1945-5100.1998.tb01698.x | Journal (article/letter/editorial) | | (1998) 8 Meteoritical Society, 1998. Printed in USA. Compositional variation and mixing of impact melts...77058, USA 2NASA Johnson Space Center, Planetary Sciences Branch, SN4, Houston, Texas 7'7058, USA *Correspondence...tiny quartz clasts. There is no evidence for lechatelierite in our sample nor for schlieren that contain... because this schliere is essentially pure lechatelierite. Also, absolute Ni concentrations are generally...minerals or rock clasts. S t ~ l (1972) e observes lechatelierite schlieren associated with clastic quartz in |  | | Journal (article/letter/editorial) | | P-q.urF. Knnn, Colurnbia Llni,aersity,l{ew York, l{ew York. Austin Flint Rogers died on March 10,1957...Missouri and Kansas, covered a moderate period in New York, and throughout a large part of his career centered...1 9 2 6 ) . Sand-calcite crystals from Monterey County, California: Am Mineral., ll, 23-28 (1926). A mathematical...14, 245-250 (1929). A unique occurrencesof lechatelierite or silica glass:Am. Jour. Sci.,5th ser., 19...Sanbornite, a new barium silicate from Mariposa County, California: Am. Mineral., 17, 161-172 (1932). |  | | Journal (article/letter/editorial) | | 1495 © Meteoritical Society, 2004. Printed in USA. 1496 E. P. Gurov and C. Koeberl Fig. 1. Location...Germany, the University of Massachusetts, Amherst, USA, and the North-East Interdisciplinary Scientific...inclusions are predominantly • shocked quartz and lechatelierite. Greenish-gray, brown and black glass clasts... Mineral inclusions are shocked quartz and lechatelierite. El-669-5 (partly melted rhyolite): Gray fluidal...bands of brown glass. Rare mineral clasts are lechatelierite and shocked quartz. El-689 (glass bomb): Aerodynamically |  | | Journal (article/letter/editorial) | | clasts or within diaplectic quartz glass or lechatelierite inclusions. Ballen are more or less spheroidal...or a solid-liquid transition from quartz to lechatelierite followed by nucleation and crystal growth at...pseudomorphs after cristobalite that had replaced lechatelierite initially formed by shock-induced thermal transformation...Distinction between ‘‘diaplectic quartz glass’’ and ‘‘lechatelierite’’ is based on morphology, as it is generally...morphology of crystals, whereas the morphology of lechatelierite inclusions is determined by the surface tension |  | | Journal (article/letter/editorial) | | (1998) 0 Meteoritical Society, 1998. Printed in USA. Books and Multimedia Reviews Dana's New Mineralogy-The...Abraham Rosenzweig. John Wiley and Sons, New York, New York, USA, 1997, 1819 pp., $295 hardcover, acid-free...University of Tennessee Knoxville, Tennessee 37996, USA -+++ Tektites, A Cosmic Paradox by Hal Povenmire...glasses but not in volcanic rocks. These include lechatelierite from molten quartz grains, baddeleyite from...for Astrophysics Cambridge, Massachusets 02138, USA REFERENCES FAULH. (1966) Tektites are terrestrial |  | von Engelhardt, Wolf, Berthold, Christoph, Wenzel, Thomas, Dehner, Thomas (2005) Chemistry, small-scale inhomogeneity, and formation of moldavites as condensates from sands vaporized by the Ries impact. Geochimica et Cosmochimica Acta, 69 (23) 5611-5626 doi:10.1016/j.gca.2005.07.004 | Journal (article/letter/editorial) | | 2005 Copyright © 2005 Elsevier Ltd Printed in the USA. All rights reserved 0016-7037/05 $30.00 ⫹ .00 doi:10...on 0.4 –2.7 mm long traverses. Schlieren and lechatelierite particles are interpreted as relics of small...efficient for mixing. The patterns of schlieren and lechatelierite inclusions represent two successive rheological... Well known are the frequent inclusions of lechatelierite particles. Other chemical inhomogeneities have...schlieren, all moldavites contain particles of lechatelierite, which consist of SiO2 with less than 1.5 wt% |  | | Journal (article/letter/editorial) | | 37996, USA 2 Department of Geological Sciences, Brown University, Providence, Rhode Island 02912, USA 3 Georgia...Materials and Testing, Forest Park, Georgia 30297, USA 4 Present Address: Department of Geosciences, Stony...Stony Brook University, Stony Brook, New York 11794, USA * Corresponding author. E-mail: steven.jaret@stonybrook...phase transitions to high-pressure polymorphs, lechatelierite— or SiO2 glass, planar fractures (PFs), and...rocks (Smyth and Hatton 1977; Smith 1984). Lechatelierite is simply a high-temperature melt and often |  | | Book | | Unlike obsidian, however, they always contain lechatelierite (Si02 glass), but do not contain microscopic...microtektites from Barbados. Bubbles and probable lechatelierite have also been found. At this time this specimen... dissertation on the stratigraphy of the Dodge County area appeared. He had worked with the local residents...tektite hunter made about 20 field trips to the Dodge County area and made a large advertising campaign. He...fission track age of the georgiaites from Dodge County were tested. They gave a much younger fission track |  | | Book | | Institute 3600 Bay Area Boulevard Houston TX 77058-1113, USA Phone: 281-486-2172 Fax: 281-486-2186 E-mail: order@lpi...and Pe-Piper, 1987); the Chesapeake Bay Crater (USA) (Poag, 1996, 1997); and the recently discovered...techniques: the 90-km-diameter Chesapeake Bay Crater (USA) (Poag, 1996, 1997); the larger (>180-km diameter)...composed dominantly of nearly pure silica glass (lechatelierite). The vesicular glass contains a few remnant...effects, e.g., the formation of silica glass (lechatelierite) from quartz, may also be present in the glass |  | | Journal (article/letter/editorial) | | droplets of silicon; (iii) melting of quartz to lechatelierite and formation of planar deformation features...shock effects in quartz, such as formation of lechatelierite, diaplectic quartz glass, and planar deformation...top, as well as the thin layer of translucent lechatelierite (SiO2 glass) below. The red square indicates...interface between projectile and target, (Zone 3) lechatelierite with relic, often PDF-bearing quartz grains...Zone 3 is a melt zone composed of vesicular lechatelierite, showing relic, highly-shocked quartz grains |  | | Catalog/List | | enlarged photograph of a piece of Obsidian, from Lake County, Oregon, which shows a Conchoidal fracture. t...confirmed letter of credit, drawn in our favor on a New York bank, for payment upon presentation of shipping...coarse, greenish-gray; New York ..... ... Fibrous, white; Canada and New York ............ Xline, white..... ........ . He:ugonite Purple xline mass; New York . ..... ... .. ..... . .. Pric� per pound .35.... 1 x 2" ANHYDRITE (calcium sulfate) Xline, New York ................................. Massive, gray |  | | Journal (article/letter/editorial) | | glass or lechatelierite. Class 5 rocks (>30 GPa) consist almost entirely of lechatelierite. A new class...1945 © The Meteoritical Society, 2007. Printed in USA. 1946 G. R. Osinski Fig. 1. Summary and comparison...shock pressures in carbonates from Serpent Mound, USA (Schedl 2006). Given that low shear stresses of ∼10...transformation to diaplectic or vesicular SiO2 glass (lechatelierite) Complete transformation to vesicular SiO2...quartz; Dg = diaplectic quartz glass; Lech = lechatelierite or vesicular SiO glass; 2 Toast = toasted quartz; |
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