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Meteorite Collections: Sample List
Meteorite Collections: Sample List Institute of Meteoritics Department of Earth and Planetary Sciences University of New Mexico October 01, 2021 Institute of Meteoritics Meteorite Collection The IOM meteorite collection includes samples from approximately 600 different meteorites, representative of most meteorite types. The last printed copy of the collection's Catalog was published in 1990. We will no longer publish a printed catalog, but instead have produced this web-based Online Catalog, which presents the current catalog in searchable and downloadable forms. The database will be updated periodically. The date on the front page of this version of the catalog is the date that it was downloaded from the worldwide web. The catalog website is: Although we have made every effort to avoid inaccuracies, the database may still contain errors. Please contact the collection's Curator, Dr. Rhian Jones, ([email protected]) if you have any questions or comments. Cover photos: Top left: Thin section photomicrograph of the martian shergottite, Zagami (crossed nicols). Brightly colored crystals are pyroxene; black material is maskelynite (a form of plagioclase feldspar that has been rendered amorphous by high shock pressures). Photo is 1.5 mm across. (Photo by R. Jones.) Top right: The Pasamonte, New Mexico, eucrite (basalt). This individual stone is covered with shiny black fusion crust that formed as the stone fell through the earth's atmosphere. Photo is 8 cm across. (Photo by K. Nicols.) Bottom left: The Dora, New Mexico, pallasite. Orange crystals of olivine are set in a matrix of iron, nickel metal. Photo is 10 cm across. (Photo by K. -
The Meteoritical Society Committee on Meteorite Nomenclature
THE METEORITICAL SOCIETY COMMITTEE ON METEORITE NOMENCLATURE GUIDELINES FOR METEORITE NOMENCLATURE FEBRUARY 1980 Revised October 2000; October 2004; April 2005; October 2006; July 2010; March 2011; December 2011; May 2012; July 2012; August 2012; February 2015; July 2015; March 2019 [Addition of §4.2c] Contents GUIDELINES FOR METEORITE NOMENCLATURE ............................................................... 1 1. INTRODUCTION ................................................................................................................... 2 1.1 Objectives. ......................................................................................................................... 2 1.2 Scope. ................................................................................................................................ 2 2. APPLICATION AND REQUIREMENTS OF A METEORITE NAME ............................... 3 2.1 Unique names. ................................................................................................................... 3 2.2 Distinctive names. ............................................................................................................. 3 2.3 Precedents. ......................................................................................................................... 3 2.4 International usage............................................................................................................. 4 3. NEW METEORITE NAMES ................................................................................................ -
Fireball Trajectory, Photometry, Dynamics, Fragmentation, Orbit, and Meteorite Recovery
The Žďár nad Sázavou meteorite fall: Fireball trajectory, photometry, dynamics, fragmentation, orbit, and meteorite recovery Pavel Spurný1*, Jiří Borovička1, Lukáš Shrbený1 1Astronomical Institute of the Czech Academy of Sciences, Fričova 298, 25165 Ondřejov Observatory, Czech Republic *Corresponding author. E-mail: [email protected] Abstract We report a comprehensive analysis of the instrumentally observed meteorite fall Žďár nad Sázavou, which occurred in the Czech Republic on 9 December 2014 at 16:16:45-54 UT. The original meteoroid with an estimated initial mass of 150 kg entered the atmosphere with a speed of 21.89 km s-1 and began a luminous trajectory at an altitude of 98.06 km. At the maximum, it reached -15.26 absolute magnitude and terminated after an 9.16 s and 170.5 km long flight at an altitude of 24.71 km with a speed of 4.8 km/s. The average slope of the atmospheric trajectory to the Earth’s surface was only 25.66°. Before its collision with Earth, the initial meteoroid orbited the Sun on a moderately eccentric orbit with perihelion near Venus orbit, aphelion in the outer main belt, and low inclination. During the atmospheric entry, the meteoroid severely fragmented at a very low dynamic pressure 0.016 MPa and further multiple fragmentations occurred at 1.4 – 2.5 MPa. Based on our analysis, so far three small meteorites classified as L3.9 ordinary chondrites totaling 87 g have been found almost exactly in the locations predicted for a given mass. Because of very high quality of photographic and radiometric records, taken by the dedicated instruments of the Czech part of the European Fireball Network, Žďár nad Sázavou belongs to the most reliably, accurately, and thoroughly described meteorite falls in history. -
The Ellerslie Meteorite: Description and Correction to Historical Find Site
Journal & Proceedings of the Royal Society of New South Wales, vol. 154, part 1, 2021, pp. 12–23. ISSN 0035-9173/21/010012-12 The Ellerslie Meteorite: Description and correction to historical find site William D. Birch Geosciences, Museums Victoria, Melbourne, Australia Email: [email protected] Abstract The 10.2 kg Ellerslie meteorite was donated to the National Museum of Victoria in May 1905 by Mr Henry Crawford, who informed the curator at that time that it had been found on the Ellerslie Estate in August 1900. The Ellerslie Estate, which Mr Crawford co-owned, is some 40 km east of Enngonia in northern New South Wales, adjacent to the Queensland border. In an unexplained historical error, the official find site for the Ellerslie meteorite has been recorded as “Tego, Maranoa, Queensland” in the 2000 Catalogue of Meteorites. This paper provides the first formal description of the meteorite, confirming it as an L5 ordinary chondrite showing mild shock features. It also investigates the source of the error in the historical record of the find site. Keywords: Ellerslie meteorite, find site, historical error, L5 ordinary chondrite, Tego. Introduction list of Australian meteorites. In the resulting Historical background paper, published in the Australian Museum Memoirs in 1939, Hodge-Smith stated that n 27 May 1905, Mr Henry Crawford the meteorite was “known 1905” from the paid a visit to the National Museum O Ellerslie Estate, “about 80 miles north of of Victoria (NMV) in Melbourne. He had a Bourke, New South Wales,” which was the gift for the museum, a large and heavy (10.2 locality as entered in the NMV’s register. -
Machine Learning for Semi-Automated Meteorite Recovery
Machine Learning for Semi-Automated Meteorite Recovery Seamus Anderson1*, Martin Towner1, Phil Bland1, Christopher Haikings2,3, William Volante4, Eleanor Sansom1, Hadrien Devillepoix1, Patrick Shober1, Benjamin Hartig1, Martin Cupak1, Trent Jansen- Sturgeon1, Robert Howie1, Gretchen Benedix1, Geoff Deacon5 1Space Science and Technology Center, Curtin University, GPO Box U1987, Perth, WA 6845, Australia 2Spectre UAV Concepts, 191 St Georges Terrace, Perth, WA 6000, Australia 3Amotus Pty Ltd, Level 25/71 Eagle St, Brisbane City, QLD 4000, Australia 4Department of Psychology, Clemson University, 418 Brackett Hall, Clemson, SC, 29634 5Western Australian Museum, 49 Kew St, Welshpool, WA 6106, Australia *Corresponding author: E-mail: [email protected]. Abstract We present a novel methodology for recovering meteorite falls observed and constrained by fireball networks, using drones and machine learning algorithms. This approach uses images of the local terrain for a given fall site to train an artificial neural network, designed to detect meteorite candidates. We have field tested our methodology to show a meteorite detection rate between 75-97%, while also providing an efficient mechanism to eliminate false-positives. Our tests at a number of locations within Western Australia also showcase the ability for this training scheme to generalize a model to learn localized terrain features. Our model-training approach was also able to correctly identify 3 meteorites in their native fall sites, that were found using traditional searching techniques. Our methodology will be used to recover meteorite falls in a wide range of locations within globe- spanning fireball networks. Introduction Fireballs and meteors have been observed since antiquity by Chinese, Korean, Babylonian and Roman astronomers (Bjorkman 1973), while meteorites and their unique metallurgical properties have also been known and used by various cultures around the world from Inuit tools (Rickard 1941) to an Egyptian ceremonial dagger (Comelli et al. -
Special Report
enjoy reading it, and that you learn something from it. I know I did. THE Oh, one more thing: When referring to specific comets, I’ve used their popular names (e.g., Halley’s Comet), rather than identifying them by FLINT RIVER their technical names. -Bill OBSERVER You’re trash. (Did he really say that?) NEWSLETTER OF THE FLINT Well…Yes, I did. I’ve always wanted to say it. RIVER ASTRONOMY CLUB But don’t worry, I’m trash too. All of us are. We’re products of a process that began when the An Affiliate of the Astronomical League Sun became a star 4-1/2 billion years ago. Along Summer, 2016 with everything else in the solar system, we’re debris left over when the Sun filled itself to * * * * * * * * * * * * * * * * * * * * * * * * * overflowing and blinked into existence. The solar system is a vast junkyard of leftover parts. The largest spare parts -- the planets -- are stable in their solar orbits. They are like big brothers and SPECIAL sisters in the solar family. Other, smaller parts such as comets and the dust they release as they approach the Sun are less stable, and they are at the mercy of REPORT anything larger that gets in their way. * * * * * * * * * * * * * * * * * * * * * * * * * Asteroids. Like everything else in the solar system, asteroids (a.k.a. minor planets) are space junk. Most of them are found in the asteroid belt, FIRE IN THE SKY: orbiting the Sun between Mars and Jupiter. Billions of asteroids inhabit the asteroid belt; they range in size from 600 miles in diameter (Ceres) to boulders, Everything You Could rocks and pebbles. -
Black As Coal . Hard As Rock. Ordinary As a Chondrite
Meteorite-Times Magazine Contents by Editor Like Sign Up to see what your friends like. Featured Monthly Articles Accretion Desk by Martin Horejsi Jim’s Fragments by Jim Tobin Meteorite Market Trends by Michael Blood Bob’s Findings by Robert Verish IMCA Insights by The IMCA Team Micro Visions by John Kashuba Galactic Lore by Mike Gilmer Meteorite Calendar by Anne Black Meteorite of the Month by Michael Johnson Tektite of the Month by Editor Terms Of Use Materials contained in and linked to from this website do not necessarily reflect the views or opinions of The Meteorite Exchange, Inc., nor those of any person connected therewith. In no event shall The Meteorite Exchange, Inc. be responsible for, nor liable for, exposure to any such material in any form by any person or persons, whether written, graphic, audio or otherwise, presented on this or by any other website, web page or other cyber location linked to from this website. The Meteorite Exchange, Inc. does not endorse, edit nor hold any copyright interest in any material found on any website, web page or other cyber location linked to from this website. The Meteorite Exchange, Inc. shall not be held liable for any misinformation by any author, dealer and or seller. In no event will The Meteorite Exchange, Inc. be liable for any damages, including any loss of profits, lost savings, or any other commercial damage, including but not limited to special, consequential, or other damages arising out of this service. © Copyright 2002–2010 The Meteorite Exchange, Inc. All rights reserved. No reproduction of copyrighted material is allowed by any means without prior written permission of the copyright owner. -
Systematics and Evaluation of Meteorite Classification 19
Weisberg et al.: Systematics and Evaluation of Meteorite Classification 19 Systematics and Evaluation of Meteorite Classification Michael K. Weisberg Kingsborough Community College of the City University of New York and American Museum of Natural History Timothy J. McCoy Smithsonian Institution Alexander N. Krot University of Hawai‘i at Manoa Classification of meteorites is largely based on their mineralogical and petrographic charac- teristics and their whole-rock chemical and O-isotopic compositions. According to the currently used classification scheme, meteorites are divided into chondrites, primitive achondrites, and achondrites. There are 15 chondrite groups, including 8 carbonaceous (CI, CM, CO, CV, CK, CR, CH, CB), 3 ordinary (H, L, LL), 2 enstatite (EH, EL), and R and K chondrites. Several chondrites cannot be assigned to the existing groups and may represent the first members of new groups. Some groups are subdivided into subgroups, which may have resulted from aster- oidal processing of a single group of meteorites. Each chondrite group is considered to have sampled a separate parent body. Some chondrite groups and ungrouped chondrites show chemi- cal and mineralogical similarities and are grouped together into clans. The significance of this higher order of classification remains poorly understood. The primitive achondrites include ureil- ites, acapulcoites, lodranites, winonaites, and silicate inclusions in IAB and IIICD irons and probably represent recrystallization or residues from a low-degree partial melting of chondritic materials. The genetic relationship between primitive achondrites and the existing groups of chondritic meteorites remains controversial. Achondrites resulted from a high degree of melt- ing of chondrites and include asteroidal (angrites, aubrites, howardites-diogenites-eucrites, mesosiderites, 3 groups of pallasites, 15 groups of irons plus many ungrouped irons) and plane- tary (martian, lunar) meteorites. -
Abstracts A-L.Fm
Meteoritics & Planetary Science 41, Nr 8, Supplement, A13–A199 (2006) http://meteoritics.org Abstracts 5367 5372 CHARACTERIZATION OF ASTEROIDAL BASALTS THROUGH ONSET OF AQUEOUS ALTERATION IN PRIMITIVE CR REFLECTANCE SPECTROSCOPY AND IMPLICATIONS FOR THE CHONDRITES DAWN MISSION N. M. Abreu and A. J. Brearley. Department of Earth and Planetary Sciences, P. A. Abell 1, D. W. Mittlefehldt1, and M. J. Gaffey2. 1Astromaterials Research University of New Mexico, Albuquerque, New Mexico 87131, USA. E-mail: and Exploration Science, NASA Johnson Space Center, Houston, Texas [email protected] 77058, USA. 2Department of Space Studies, University of North Dakota, Grand Forks, North Dakota 58202, USA Introduction: Although some CR chondrites show evidence of significant aqueous alteration [1], our studies [2] have identified CR Introduction: There are currently five known groups of basaltic chondrites that exhibit only minimal degrees of aqueous alteration. These achondrites that represent material from distinct differentiated parent bodies. meteorites have the potential to provide insights into the earliest stages of These are the howardite-eucrite-diogenite (HED) clan, mesosiderite silicates, aqueous alteration and the characteristics of organic material that has not angrites, Ibitira, and Northwest Africa (NWA) 011 [1]. Spectroscopically, all been affected by aqueous alteration, i.e., contains a relatively pristine record these basaltic achondrite groups have absorption bands located near 1 and 2 of carbonaceous material present in nebular dust. The CR chondrites are of microns due to the presence of pyroxene. Some of these meteorite types have special significance in this regard, because they contain the most primitive spectra that are quite similar, but nevertheless have characteristics (e.g., carbonaceous material currently known [3]. -
Franconia – Before the Gold Rush by Robert Verish
Meteorite Times Magazine Contents by Editor Featured Monthly Articles Accretion Desk by Martin Horejsi Jim's Fragments by Jim Tobin Meteorite Market Trends by Michael Blood Bob's Findings by Robert Verish IMCA Insights by The IMCA Team Micro Visions by John Kashuba Meteorite Calendar by Anne Black Meteorite of the Month by Editor Tektite of the Month by Editor Terms Of Use Materials contained in and linked to from this website do not necessarily reflect the views or opinions of The Meteorite Exchange, Inc., nor those of any person connected therewith. In no event shall The Meteorite Exchange, Inc. be responsible for, nor liable for, exposure to any such material in any form by any person or persons, whether written, graphic, audio or otherwise, presented on this or by any other website, web page or other cyber location linked to from this website. The Meteorite Exchange, Inc. does not endorse, edit nor hold any copyright interest in any material found on any website, web page or other cyber location linked to from this website. The Meteorite Exchange, Inc. shall not be held liable for any misinformation by any author, dealer and or seller. In no event will The Meteorite Exchange, Inc. be liable for any damages, including any loss of profits, lost savings, or any other commercial damage, including but not limited to special, consequential, or other damages arising out of this service. © Copyright 2002–2011 The Meteorite Exchange, Inc. All rights reserved. No reproduction of copyrighted material is allowed by any means without prior written permission of the copyright owner. -
Catalogue of Meteorites from South America Springerbriefs in Earth System Sciences
SPRINGER BRIEFS IN EARTH SYSTEM SCIENCES SOUTH AMERICA AND THE SOUTHERN HEMISPHERE Rogelio Daniel Acevedo Maximiliano C. L. Rocca Víctor Manuel García Catalogue of Meteorites from South America SpringerBriefs in Earth System Sciences South America and the Southern Hemisphere Series editors Gerrit Lohmann Jorge Rabassa Justus Notholt Lawrence A. Mysak Vikram Unnithan For further volumes: http://www.springer.com/series/10032 Rogelio Daniel Acevedo Maximiliano C. L. Rocca Víctor Manuel García Catalogue of Meteorites from South America 123 Rogelio Daniel Acevedo Víctor Manuel García Centro Austral de Investigaciones Centro Austral de Investigaciones Científicas Científicas Tierra del Fuego Tierra del Fuego Argentina Argentina Maximiliano C. L. Rocca The Planetary Society Buenos Aires Argentina There may be instances where the authors have been unable to trace or contact the copyright holders. If notified the publisher will be pleased to rectify any errors or omissions at the earliest opportunity. ISSN 2191-589X ISSN 2191-5903 (electronic) ISBN 978-3-319-01924-6 ISBN 978-3-319-01925-3 (eBook) DOI 10.1007/978-3-319-01925-3 Springer Cham Heidelberg New York Dordrecht London Library of Congress Control Number: 2013949406 Ó The Author(s) 2014 This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. Exempted from this legal reservation are brief excerpts in connection with reviews or scholarly analysis or material supplied specifically for the purpose of being entered and executed on a computer system, for exclusive use by the purchaser of the work. -
HANDY SCIENCE ANSWER BOOK Handy Science 2/16/11 11:26 AM Page Ii Handy Science 2/16/11 11:26 AM Page Iii
Handy Science 2/16/11 11:26 AM Page i THE HANDY SCIENCE ANSWER BOOK Handy Science 2/16/11 11:26 AM Page ii Handy Science 2/16/11 11:26 AM Page iii THE HANDY SCIENCE ANSWER BOOK FOURTH EDITION Compiled by the Carnegie Library of Pittsburgh Detroit Handy Science 2/16/11 11:26 AM Page iv THE Copyright © 2011 by Visible Ink Press® This publication is a creative work fully protected by all applicable copy- right laws, as well as by misappropriation, trade secret, unfair competi- HANDY tion, and other applicable laws. No part of this book may be reproduced in any form without permission in writing from the publisher, except by a reviewer who wishes to quote SCIENCE brief passages in connection with a review written for inclusion in a maga- zine, newspaper, or web site. ANSWER All rights to this publication will be vigorously defended. Visible Ink Press® 43311 Joy Rd., #414 BOOK Canton, MI 48187-2075 Visible Ink Press is a registered trademark of Visible Ink Press LLC. Most Visible Ink Press books are available at special quantity discounts when purchased in bulk by corporations, organizations, or groups. Cus- tomized printings, special imprints, messages, and excerpts can be pro- duced to meet your needs. For more information, contact Special Markets Director, Visible Ink Press, www.visibleinkpress.com, or 734-667-3211. Managing Editor: Kevin S. Hile Art Director: Mary Claire Krzewinski Typesetting: Marco Di Vita Proofreaders: Sarah Hermsen and Sharon Malinowski ISBN 978-1-57859-321-7 (pbk.) Library of Congress Cataloguing-in-Publication Data The handy science answer book / [edited by] Naomi E.