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| MAY-JUNE, 1967 METALLIC SPHERULES IN IMPACTITE AND TEKTITE GLASSES1 D. C. RonrN BnEtt, U. S. Geological Survey...within impactite glass bombs from the Meteor Crater area, Arizona, contain from 20 to 65 weight percent...Ni, respectively. The glass in the vicinity of tektite spherules is not enriched in Fe and contains from...water may have contributed to the oxidation at Meteor Crater. Spherules in tektites were not oxidized because...that the spherules were incorporated into the tektite glass instantaneously so that oxidation was prevented |
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| 31-33 (1993) @ Meteontical Society, 1993. Printed in USA The Barringer Medal Award Presented 1992 July 30...States Geological Survey Reston, Virginia 22092, USA (Received 1992 November 30) of shock within the...metamorphism, meteorite craters- particularly the Ries Crater of Germany-and tektites. COESITE, STISHOVITE, AND...memory and acquaintance with the Barringer Meteor Crater of Arizona was in 1960 June when Dr. John O'Keefe...Maryland) brought me a small piece of shocked Coconino Sandstone specimen from the U.S. National Museum |
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| MIKE D. REYNOLDS, Ph.D. STACKPOLE BOOKS TETON COUNTY LIBRARY JACKSON, WYOMING Copyright Ā© 2010 by... Contents Acknowledgments Falling Stars! . Meteor Watching 14 Meteor Showers Cys Meteorites ol . Meteorite...fascinated by space. I had heard about the Leonid meteor shower and how on the morning of November 17 I...the same meteor! I was very fortunate to have two excellent mentors in my early days of meteor watching:...remember several thirteen-hour December marathon meteor watching sessions with Karl and Richard. There |
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| r \ Ā«p ALM BEACH COUNTY LIBRARY SYSTEM I Hi it ill I | 1 Hi RD0255 Db233 IlG STfiRS A Guide to ...: a guide to meteors and meteorites PALM BEACH COUNTY LIBRARY SYSTEM 3650 SUMMIT BLVD. WEST PALM BEACH...Cover design by Wendy Reynolds On the cover: A meteor shower as seen from space. Original art by Jerry...Acknowledgments ix 1. Falling Stars! 1 2. Meteor Watching 14 3. Meteor Showers 32 4. Meteorites 51 5....fascinated by space. I had heard about the Leonid meteor shower and how on the morning of November 17 I |
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| 1700 E. Ft. Lowell, Suite 106, Tucson, Arizona 85719ā2395, USA Institute for Dynamics of Geospheres, Russian...unresolved questions about Meteor Crater, the ļ¬rst recognized impact crater on Earth. This theoretical...and laboratory studies of Meteor Crater. Our results indicate that Meteor Crater was formed by a high-velocity...compression, and were redistributed randomly around the crater. Thus, the distribution of Canyon Diablo meteorites...ejected from the crater during crater excavation and was dispersed mostly downrange of the crater as molten |
 | Hƶrz, Friedrich, Mittlefehldt, David W., See, Thomas H., Galindo, Charles (2002) Petrographic studies of the impact melts from Meteor Crater, Arizona, USA. Meteoritics & Planetary Science, 37 (4) 501-531 doi:10.1111/j.1945-5100.2002.tb00836.x | Journal (article/letter/editorial) |
| uark.edu/meteor Petrographic studies of the impact melts from Meteor Crater, Arizona, USA FRIEDRICH...Texas 77058, USA 2Lockheed-Martin ESC, C23, 2400 NASA Road I, Houston, Texas 77058, USA 3Hemandez Engineering...16055 Space Center Boulevard, Houston, Texas 77062, USA *Correspondence author's e-mail address: Friedrich...the ballistically dispersed melts from Meteor Crater, Arizona, USA to determine the stratigraphic extent...major target formations, Moenkopi, Kaibab, and Coconino. Least-square mixing calculations revealed one |
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| Printed in USA Authentication controversies and impactite petrography of the New Quebec Crater URSULA B...02138, USA -Lunar and Planetary Laboratory, University of Arizona, Tucson, Arizona 85721, USA (Received...meteoritic origin was proposed for the New Quebec Crater in 1949 on the basis of an aerial photograph showing...C. Leonard and Lincoln LaPaz, cited the "Chubb" Crater as a flagrant example for which claims of meteoritic...also listed the Lake Bosumtwi Crater in Ashanti (now Ghana) among crater-like features, clearly ofnon-meteoritic |
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| (1996) 0 Meteoritical Society, 1996. Printed in USA. Catalogs and Inventories The meteorite collection...Chondrites Abee Eagle Canada Nebraska (USA) Happy Canyon Indarch Texas (USA) Azerbaigian 1952 Jun. 10 found...Mexico (USA) Algeria Algeria Saudi Arabia France Nigeria New Mexico (USA) Michigan (USA) S.Dakota (USA) %Australia...Argentina Thailand New Mexico (USA) S.Australia S.Australia New Mexico (USA) found 195 1 found 1989 found...Jilin Juanita De Angeles Kalvesta Kesen Kimble County Laundry East Melvern Lake Mills Mount Baldr Mulga |
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| visible for months ; and they may be the source of meteor showers. Though a comet might have a 100,000,000...explosive vaporization of a comet. Meteor Crater near Winslow, Arizona may have resulted from comet impact...impact. In the case of Meteor Crater, the nucleus was composed not just of " volatile ices", but also of...orbit and these fragments rain on the earth during meteor showers which occur when the Earth intersects the...meteorites which have been assigned to particular meteor showers include the Bath Furnace , Kentucky Chondrite |
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| onā experience afforded me by Marvin Killgore of Arizona, in his demonstration of preparing the meteorite...knew Australia the magnificent meteorite crater in Arizona, and had kinds being displayed and traded...is it that all the action seems to happen in the USA? had its own meteorite craters, and large meteorites...become? Meteor showers Meteorite craters Australian meteorite craters Meteor craterāArizona How large...collectors exist throughout the world. When I was in Arizona in 1993, I met several collectors who were very |
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| (1990) Ā© 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...farm 23 May 1990) ;\bstract-~if~y-odd years of tektite research are reviewed, proceeding from the discovery...earthly materials was ignored so long by most tektite researchers, until it was found that the Moon rocks...tektites. Barringer (1906) staked claims to the crater that he recognized as of meteoritical origin in |
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| Society, 1995. Printed in USA. Geophysical studies of the Montagnais impact crater, Canada M. PILKINGTON...gravity anomaly, which is expected for a complex crater of this size, is not observed within the structure...structure, and magnetic data lack any well-defined, crater-related signature. The absence of a negative gravity...the lack of competency in the target rocks. The crater was formed in a shallow marine environment where...(Fig. 1) and is currently the only proven impact crater discovered beneath ilie ocean (Jansa and Pe-Piper |
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| recently discovered Kamil crater (Egypt; DāOrazio et al. 2011), Wabar crater (Saudi Arabia; Mittlefehldt...even the Meteor The Meteoritical Society, 2013. Crater 1.2 km in diameter (Arizona, USA; Mittlefehldt...melted, disseminated residues in impact breccias and crater ļ¬oor fractures. At larger craters, the nature of...and projectile materials. Most authors describe crater dimensions, such as size, depth, and shape, as...Network) is aimed at a better understanding of impact crater formation using fully instrumented mesoscale hypervelocity |
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| Crater___________________________________________ Merewether Crater---------------------------------------Middlesboro...Craters____________________________________________ Patomskii Crater ___________________________________ -----__ Pilot...31 31 31 31 32 32 32 34 34 34 34 35 VVoli Creek Crater----------------------------------------Authori...consideration three structures: Crestone Crater, Socotra Crater and l{a-imu-hoku. Merri,vĀ·ell Lake is removed...removed, having been a misnomer for ~ferewether Crater (~f. R. Dence, written commun., 1966). Increasing |
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| constantly at work on the surface: that of intense meteor bombardment. It is estimated that about 70,000...to burn them by friction; the average crater from each meteor is estimated to be about 25 feet across...earth's mass somewhat shields the nearer side from meteor showers. Through a telescope, the other side of...from meteor impacts it must resemble the fused coconino sandstone from the Great Meteor Crater of Arizona:...material is occasionally blasted far out into space by meteor impact. It is even possible that some of this material |
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| silica-glass, indicating that it is a variety of tektite. From the Alz6 and .Baāā levels or limits, in comparison...face on Glass Mountain near Coso Hot Springs, Inyo County, California (36ā2.5āN, 117ā48,5āW, -1290 m). It...HEY (1953). The Richardton aerolite fell in Stark County, North Dakota (46ā53ā N, 102ā19ā W, -800 m) on...Plainview aerolite was found in many fragments in Hale County, Texas (34ā7ā N, lOlā47ā w, -1100 m) shortly before...fusion crust. The Odessa siderite was found in Ector County, Texas (31ā43ā N, 102ā24ā W, -900 m) before 1922 |
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| identical with tāhe meteoritic spheroids from Meteor Crater, Arizona, in texture, mineral assemblage and nickel...meteoritic body which was instrumental in produring the tektite glass. INTRODUCTION THISreport describes new... Because of low nickel content in the Isabela tektite spherules, questions were raised regarding t,heir...blanket of Tektites were found in t,his blanket tektite-bearing alluvial terrace gravel. of gravel by local...residents and members of the construction crew. The tektite-bearing gravel consists chiefiy of rounded pebbles |
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| ---_AI Umchaimin Crater-------------------------------------_ Amak Island Crater ____ ----------------------...----------_ Amguid Crater-------------------------------------------Aouelloul Crater------ ________________________...__________ Basra Crater------------------------~--------------------Boxhole Crater------------------...-------------------------Brent Crater---------------------------------------------Campo del Cielo Craters...--------------Crater Elegante------------------------------------------Crestone Crater-------------- |
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| MCLENNAN, 1979) of glasses from the Zhamanshin crater, we concluded from our data that a meteorite impact...glasses (zhamanshinites) and more homogeneous tektite-like forms (irghizites). High-silica (_ 74% SiOz)...shall return in concluding this discussion. The tektite-like irghizites are similar in composition to the...also depleted in highly volatile elements. The tektite-forms (irghizites) from Zhamanshin closely resemble...meteorite (or cometary) impact. Although the Zhamanshin crater is a possible source for the Australasian tektites |
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| the Geology of Barringer Meteorite Crater, Arizona (a k a Meteor Crater) Second Edition Prepared by David...to illuminate the worldās best preserved impact crater, our efforts to use this worldclass geologic site...programs, and data relevant to the analysis of the crater. The background image was taken by the author....the Field Training and Research Program at Meteor Crater was taken by teaching assistant Josh Garber...of images showing different perspectives of the crater are, from left to right, LPIās colorized version |
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| Boundary Impact Events and the 0.77-Ma Australasian Tektite Event: Relevance to Mass Extinction U.S. GEOLOGICAL...Boundary Impact Events and the 0.77-Ma Australasian Tektite Event: Relevance to Mass Extinction By E.C.T. CHAO...CretaceousTertiary boundary sections. Evidence from the Ries crater of Germany and Australasian tektites is essential...boundary impact events and the 0.77-Ma Australasian tektite event : Relevance to mass extinction I by E.C.T...19.3:2050 1. Cretaceous-Tertiary boundary. 2. Tektite. 3. Extinction (Biology) I. Title. II. Series. |
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| literature, subject to restrictions on quality and area. The variance, for each major oxide, of the rock...significantly greater for both rock classes than the tektite variance. All basic assumptions, including representativeness...fusion were justified. This study suggests that tektite formation by random occurrences such as cometary...fairly restricted must do two things to account for tektite compositions: composition must be selected for...by any natural process thus far suggested. (3) Tektite formation involved some sort of systematic chemical |
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| IMCA Team Micro Visions by John Kashuba Normās Tektite Teasers by Norm Lehrman Meteorite Calendar by Anne...Anne Black Meteorite of the Month by Editor Tektite of the Month by Editor Terms Of Use Materials contained...Center in Phoenix would take us to Flagstaff, Arizona. I had a rental 4Ć4 waiting at the Pilliam Municipal...worked fine. So I followed Paulās motorhome to Meteor Crater RV Park which was serving as our base of operation...staying four nights at Meteor Crater but would not be able to actually visit the crater till the last day |
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| within impactite from Barringer Meteorite Crater, Arizona WXLLFAM R. KELLY, EDWARD HOLDSWORTH and CARLETON...Studies and Department of Chemistry, Arizona State University, Tempe, Arizona 86281, U.S.A. (Recked 4 June...of 25 metallio spheroidsfrom BarringerMeteorite Crater have been carried out for Fe, Ni, Co and Cu. In...UUXN~IZR Meteorite Crater is a hypervelocity impact feature located in NorthCentral Arizona in the southern...(1963) has reviewed the geologic setting of the crater in some detail. The meteoroid penetrated horizonal |
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| Washington D.C. 20560, USA Mailing address: 7408 Wyndale Lane, Chevy Chase, Maryland 20815, USA E-mail: french...effects in the geological record (the Chesapeake Bay crater, the Alamo breccia, and multiple layers of impact...are 169 Ā© Meteoritical Society, 2004. Printed in USA. 170 B. M. French associated either with the...impact events in other extinctions is now an active area of investigation (Ryder et al. 1996; Koeberl and...longterm climate changes, and the distribution of crater ejecta over regional to global distances. Nor is |
Meteor Crater, Meteor Crater area, Coconino County, Arizona, USA