CATALOG of METEORITES This List Details the Meteorites in the Collections of the Center for Meteorite Studies, Arizona State University
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The M~Neralogical Composition and Structure of the Assisi Meteorite
595 The m~neralogical composition and structure of the Assisi meteorite By G. R. LEvI-DoNATI (Doctor in Natural Sciences) Istituto di Mineralogia, Facolth di Scienze, Universit~ di Perugia, Italy [Taken as read 2 November 1966] Summary. The principal data about the fall and the distribution of the fragments of the Assisi (Perugia, Italy) meteorite are collected. A fragment of the stone, weighing 146.5 g, preserved in the British Museum (Natural History) (B.M. 63621), is described in some detail. Crust morphology, mineralogical composition, and structure are studied. Optical data are established by microscopical analysis of five thin sections and two polished surfaces. Compared with electron-probe analysis, they are found in good agreement. Assisi is an olivine-bronzite chondrite, H group, with characteristic features of metamorphism. N 24 May 1886, at 7 a.m., the sky being clear, a single stone weigh- O ing 1795 g fell in a cornfield in Tordandrea, 7"5 Km south-west of Assisi (Perugia, Italy). Three peasants were present and immediately unearthed the small meteorite. It was at a depth of about 60 cm, in an apparently vertical hole about 25 cm in diameter. The stone was 13.8 cm long, 12.8 cm wide. The fall was first described by Bellucci (1887), who submitted the individual specimen to a macroscopic examination. In the same year the complete meteorite was sent by Be]lucci to Vienna, where Eger made a cast of the stone and sawed the meteorite in several pieces. 1 Museums and collections later purchased the fragments, which (1967) are now widely distributed (B. -
Laboratory Spectroscopy of Meteorite Samples at UV-Vis-NIR Wavelengths: Analysis and Discrimination by Principal Components Analysis
Laboratory spectroscopy of meteorite samples at UV-Vis-NIR wavelengths: Analysis and discrimination by principal components analysis Antti Penttil¨aa,∗, Julia Martikainena, Maria Gritsevicha, Karri Muinonena,b aDepartment of Physics, P.O. Box 64, FI-00014 University of Helsinki, Finland bFinnish Geospatial Research Institute FGI, National Land Survey of Finland, Geodeetinrinne 2, FI-02430 Masala, Finland Abstract Meteorite samples are measured with the University of Helsinki integrating-sphere UV-Vis- NIR spectrometer. The resulting spectra of 30 meteorites are compared with selected spectra from the NASA Planetary Data System meteorite spectra database. The spectral measure- ments are transformed with the principal component analysis, and it is shown that different meteorite types can be distinguished from the transformed data. The motivation is to im- prove the link between asteroid spectral observations and meteorite spectral measurements. Keywords: Meteorites, spectroscopy, principal component analysis 1. Introduction While a planet orbits the Sun, it is subject to impacts by objects ranging from tiny dust particles to much larger asteroids and comet nuclei. Such collisions of small Solar System bodies with planets have taken place frequently over geological time and played an 5 important role in the evolution of planets and development of life on the Earth. Every day approximately 30{180 tons of interplanetary material enter the Earth's atmosphere [1, 2]. This material is mostly represented by smaller meteoroids that undergo rapid ablation in the atmosphere. Under favorable initial conditions part of a meteoroid may survive the atmospheric entry and reach the ground [3]. The fragments recovered on the ground are 10 called meteorites, our valuable samples of the Solar System. -
Appendix A: Scientific Notation
Appendix A: Scientific Notation Since in astronomy we often have to deal with large numbers, writing a lot of zeros is not only cumbersome, but also inefficient and difficult to count. Scientists use the system of scientific notation, where the number of zeros is short handed to a superscript. For example, 10 has one zero and is written as 101 in scientific notation. Similarly, 100 is 102, 100 is 103. So we have: 103 equals a thousand, 106 equals a million, 109 is called a billion (U.S. usage), and 1012 a trillion. Now the U.S. federal government budget is in the trillions of dollars, ordinary people really cannot grasp the magnitude of the number. In the metric system, the prefix kilo- stands for 1,000, e.g., a kilogram. For a million, the prefix mega- is used, e.g. megaton (1,000,000 or 106 ton). A billion hertz (a unit of frequency) is gigahertz, although I have not heard of the use of a giga-meter. More rarely still is the use of tera (1012). For small numbers, the practice is similar. 0.1 is 10À1, 0.01 is 10À2, and 0.001 is 10À3. The prefix of milli- refers to 10À3, e.g. as in millimeter, whereas a micro- second is 10À6 ¼ 0.000001 s. It is now trendy to talk about nano-technology, which refers to solid-state device with sizes on the scale of 10À9 m, or about 10 times the size of an atom. With this kind of shorthand convenience, one can really go overboard. -
Deep Carbon Science
From Crust to Core Carbon plays a fundamental role on Earth. It forms the chemical backbone for all essential organic molecules produced by living organ- isms. Carbon-based fuels supply most of society’s energy, and atmos- pheric carbon dioxide has a huge impact on Earth’s climate. This book provides a complete history of the emergence and development of the new interdisciplinary field of deep carbon science. It traces four cen- turies of history during which the inner workings of the dynamic Earth were discovered, and it documents the extraordinary scientific revolutions that changed our understanding of carbon on Earth for- ever: carbon’s origin in exploding stars; the discovery of the internal heat source driving the Earth’s carbon cycle; and the tectonic revolu- tion. Written with an engaging narrative style and covering the scien- tific endeavors of about 150 pioneers of deep geoscience, this is a fascinating book for students and researchers working in Earth system science and deep carbon research. is a life fellow at St. Edmund’s College, University of Cambridge. For more than 50 years he has passionately engaged in bringing discoveries in astronomy and cosmology to the general public. He is a fellow of the Royal Historical Society, a former vice- president of the Royal Astronomical Society and a fellow of the Geological Society. The International Astronomical Union designated asteroid 4027 as Minor Planet Mitton in recognition of his extensive outreach activity and that of Dr. Jacqueline Mitton. From Crust to Core A Chronicle of Deep Carbon Science University of Cambridge University Printing House, Cambridge CB2 8BS, United Kingdom One Liberty Plaza, 20th Floor, New York, NY 10006, USA 477 Williamstown Road, Port Melbourne, VIC 3207, Australia 314–321, 3rd Floor, Plot 3, Splendor Forum, Jasola District Centre, New Delhi – 110025, India 79 Anson Road, #06–04/06, Singapore 079906 Cambridge University Press is part of the University of Cambridge. -
The Mineralogical Magazine Journal
THE MINERALOGICAL MAGAZINE AND JOURNAL OF THE MINERALOGICAL SOCIETY. 1~o. 40. OCTOBER 1889. Vol. VIII. On the Meteorites which have been found iu the Desert of Atacama and its neighbourhood. By L. FLETCHER, M.A., F.R.S., Keeper of Minerals in the British Museum. (With a Map of the District, Plate X.) [Read March 12th and May 7th, ]889.J 1. THE immediate object of the present paper is to place on record J- the history and characters of several Atacama meteorites of which no description has yet been published; but incidentally it is con- venient at the same time to consider the relationship of these masses to others from the same region, which either have been already described, or at least are stated to be preserved in one or more of the known Meteo. rite-Collections. 2. The term " Desert of Atacama " is generally applied to that part of western South America which lies between the towns of Copiapo and Cobija, about 330 miles distant from each other, and which extends island as far as the Indian hamlet of Antofagasta, about 180 miles from 224 L. FLETCHER ON THE METEORITES OF ATACAMA. the coast. The Atacama meteorites preserved in the Collections have been found at several places widely separated throughout the Desert. 3. A critical examination of the descriptive literature, and a compari- son of the manuscript and printed meteorite-lists, which have been placed at my service, lead to the conclusion that all the meteoritic frag- ments from Atacama now preserved in the known Collections belong to one or other of at most thirteen meteorites, which, for reasons given below, are referred to in this paper under the following names :-- 1. -
Organic Matter in Meteorites Department of Inorganic Chemistry, University of Barcelona, Spain
REVIEW ARTICLE INTERNATIONAL MICROBIOLOGY (2004) 7:239-248 www.im.microbios.org Jordi Llorca Organic matter in meteorites Department of Inorganic Chemistry, University of Barcelona, Spain Summary. Some primitive meteorites are carbon-rich objects containing a vari- ety of organic molecules that constitute a valuable record of organic chemical evo- lution in the universe prior to the appearance of microorganisms. Families of com- pounds include hydrocarbons, alcohols, aldehydes, ketones, carboxylic acids, amino acids, amines, amides, heterocycles, phosphonic acids, sulfonic acids, sugar-relat- ed compounds and poorly defined high-molecular weight macromolecules. A vari- ety of environments are required in order to explain this organic inventory, includ- ing interstellar processes, gas-grain reactions operating in the solar nebula, and hydrothermal alteration of parent bodies. Most likely, substantial amounts of such Received 15 September 2004 organic materials were delivered to the Earth via a late accretion, thereby provid- Accepted 15 October 2004 ing organic compounds important for the emergence of life itself, or that served as a feedstock for further chemical evolution. This review discusses the organic con- Address for correspondence: Departament de Química Inorgànica tent of primitive meteorites and their relevance to the build up of biomolecules. Universitat de Barcelona [Int Microbiol 2004; 7(4):239-248] Martí i Franquès, 1-11 08028 Barcelona, Spain Tel. +34-934021235. Fax +34-934907725 Key words: primitive meteorites · prebiotic chemistry · chemical evolution · E-mail: [email protected] origin of life providing new opportunities for scientific advancement. One Introduction of the most important findings regarding such bodies is that comets and certain types of meteorites contain organic mole- Like a carpentry shop littered with wood shavings after the cules formed in space that may have had a relevant role in the work is done, debris left over from the formation of the Sun origin of the first microorganisms on Earth. -
A Magnetic Susceptibility Database for Stony Meteorites
Direttore Enzo Boschi Comitato di Redazione Cesidio Bianchi Tecnologia Geofisica Rodolfo Console Sismologia Giorgiana De Franceschi Relazioni Sole-Terra Leonardo Sagnotti Geomagnetismo Giancarlo Scalera Geodinamica Ufficio Editoriale Francesca Di Stefano Istituto Nazionale di Geofisica e Vulcanologia Via di Vigna Murata, 605 00143 Roma Tel. (06) 51860468 Telefax: (06) 51860507 e-mail: [email protected] A MAGNETIC SUSCEPTIBILITY DATABASE FOR STONY METEORITES Pierre Rochette1, Leonardo Sagnotti1, Guy Consolmagno2, Luigi Folco3, Adriana Maras4, Flora Panzarino4, Lauri Pesonen5, Romano Serra6 and Mauri Terho5 1Istituto Nazionale di Geofisica e Vulcanologia, Roma, Italy [[email protected]] 2Specola Vaticana, Castel Gandolfo, Italy 3Antarctic [PNRA] Museum of Siena, Siena, Italy 4Università La Sapienza, Roma, Italy 5University of Helsinki, Finland 6“Giorgio Abetti” Museum of San Giovanni in Persiceto, Italy Pierre Rochette et alii: A Magnetic Susceptibility Database for Stony Meteorites 1. Introduction the Museo Nationale dell’Antartide in Siena [Folco and Rastelli, 2000], the University of More than 22,000 different meteorites Roma “la Sapienza” [Cavaretta Maras, 1975], have been catalogued in collections around the the “Giorgio Abetti” Museum in San Giovanni world (as of 1999) of which 95% are stony types Persiceto [Levi-Donati, 1996] and the private [Grady, 2000]. About a thousand new meteorites collection of Matteo Chinelatto. In particular, are added every year, primarily from Antarctic the Antarctic Museum in Siena is the curatorial and hot-desert areas. Thus there is a need for centre for the Antarctic meteorite collection rapid systematic and non-destructive means to (mostly from Frontier Mountain) recovered by characterise this unique sampling of the solar the Italian Programma Nazionale di Ricerche in system materials. -
Curt Teich Postcard Archives Towns and Cities
Curt Teich Postcard Archives Towns and Cities Alaska Aialik Bay Alaska Highway Alcan Highway Anchorage Arctic Auk Lake Cape Prince of Wales Castle Rock Chilkoot Pass Columbia Glacier Cook Inlet Copper River Cordova Curry Dawson Denali Denali National Park Eagle Fairbanks Five Finger Rapids Gastineau Channel Glacier Bay Glenn Highway Haines Harding Gateway Homer Hoonah Hurricane Gulch Inland Passage Inside Passage Isabel Pass Juneau Katmai National Monument Kenai Kenai Lake Kenai Peninsula Kenai River Kechikan Ketchikan Creek Kodiak Kodiak Island Kotzebue Lake Atlin Lake Bennett Latouche Lynn Canal Matanuska Valley McKinley Park Mendenhall Glacier Miles Canyon Montgomery Mount Blackburn Mount Dewey Mount McKinley Mount McKinley Park Mount O’Neal Mount Sanford Muir Glacier Nome North Slope Noyes Island Nushagak Opelika Palmer Petersburg Pribilof Island Resurrection Bay Richardson Highway Rocy Point St. Michael Sawtooth Mountain Sentinal Island Seward Sitka Sitka National Park Skagway Southeastern Alaska Stikine Rier Sulzer Summit Swift Current Taku Glacier Taku Inlet Taku Lodge Tanana Tanana River Tok Tunnel Mountain Valdez White Pass Whitehorse Wrangell Wrangell Narrow Yukon Yukon River General Views—no specific location Alabama Albany Albertville Alexander City Andalusia Anniston Ashford Athens Attalla Auburn Batesville Bessemer Birmingham Blue Lake Blue Springs Boaz Bobler’s Creek Boyles Brewton Bridgeport Camden Camp Hill Camp Rucker Carbon Hill Castleberry Centerville Centre Chapman Chattahoochee Valley Cheaha State Park Choctaw County -
Calcium Isotopes in Natural and Experimental Carbonated Silicate Melts
Western University Scholarship@Western Electronic Thesis and Dissertation Repository 2-27-2018 2:30 PM Calcium Isotopes in Natural and Experimental Carbonated Silicate Melts Matthew Maloney The University of Western Ontario Supervisor Bouvier, Audrey The University of Western Ontario Co-Supervisor Withers, Tony The University of Western Ontario Graduate Program in Geology A thesis submitted in partial fulfillment of the equirr ements for the degree in Master of Science © Matthew Maloney 2018 Follow this and additional works at: https://ir.lib.uwo.ca/etd Part of the Geochemistry Commons Recommended Citation Maloney, Matthew, "Calcium Isotopes in Natural and Experimental Carbonated Silicate Melts" (2018). Electronic Thesis and Dissertation Repository. 5256. https://ir.lib.uwo.ca/etd/5256 This Dissertation/Thesis is brought to you for free and open access by Scholarship@Western. It has been accepted for inclusion in Electronic Thesis and Dissertation Repository by an authorized administrator of Scholarship@Western. For more information, please contact [email protected]. Abstract The calcium stable isotopic compositions of mantle-sourced rocks and minerals were investigated to better understand the carbon cycle in the Earth’s mantle. Bulk carbonatites and kimberlites were analyzed to identify a geochemical signature of carbonatite magmatism, while inter-mineral fractionation was measured in co-existing Ca-bearing carbonate and silicate minerals. Bulk samples show a range of composition deviating from the bulk silicate Earth δ44/40Ca composition indicating signatures of magmatic processes or marine carbonate addition 44/40 to source materials. Δ Cacarbonate-silicate values range from -0.55‰ to +1.82‰ and positively correlate with Ca/Mg ratios in pyroxenes. -
Asteroid Regolith Weathering: a Large-Scale Observational Investigation
University of Tennessee, Knoxville TRACE: Tennessee Research and Creative Exchange Doctoral Dissertations Graduate School 5-2019 Asteroid Regolith Weathering: A Large-Scale Observational Investigation Eric Michael MacLennan University of Tennessee, [email protected] Follow this and additional works at: https://trace.tennessee.edu/utk_graddiss Recommended Citation MacLennan, Eric Michael, "Asteroid Regolith Weathering: A Large-Scale Observational Investigation. " PhD diss., University of Tennessee, 2019. https://trace.tennessee.edu/utk_graddiss/5467 This Dissertation is brought to you for free and open access by the Graduate School at TRACE: Tennessee Research and Creative Exchange. It has been accepted for inclusion in Doctoral Dissertations by an authorized administrator of TRACE: Tennessee Research and Creative Exchange. For more information, please contact [email protected]. To the Graduate Council: I am submitting herewith a dissertation written by Eric Michael MacLennan entitled "Asteroid Regolith Weathering: A Large-Scale Observational Investigation." I have examined the final electronic copy of this dissertation for form and content and recommend that it be accepted in partial fulfillment of the equirr ements for the degree of Doctor of Philosophy, with a major in Geology. Joshua P. Emery, Major Professor We have read this dissertation and recommend its acceptance: Jeffrey E. Moersch, Harry Y. McSween Jr., Liem T. Tran Accepted for the Council: Dixie L. Thompson Vice Provost and Dean of the Graduate School (Original signatures are on file with official studentecor r ds.) Asteroid Regolith Weathering: A Large-Scale Observational Investigation A Dissertation Presented for the Doctor of Philosophy Degree The University of Tennessee, Knoxville Eric Michael MacLennan May 2019 © by Eric Michael MacLennan, 2019 All Rights Reserved. -
The Thermal Conductivity of Meteorites: New Measurements and Analysis
This article appeared in a journal published by Elsevier. The attached copy is furnished to the author for internal non-commercial research and education use, including for instruction at the authors institution and sharing with colleagues. Other uses, including reproduction and distribution, or selling or licensing copies, or posting to personal, institutional or third party websites are prohibited. In most cases authors are permitted to post their version of the article (e.g. in Word or Tex form) to their personal website or institutional repository. Authors requiring further information regarding Elsevier’s archiving and manuscript policies are encouraged to visit: http://www.elsevier.com/copyright Author's personal copy Icarus 208 (2010) 449–454 Contents lists available at ScienceDirect Icarus journal homepage: www.elsevier.com/locate/icarus The thermal conductivity of meteorites: New measurements and analysis C.P. Opeil a, G.J. Consolmagno b,*, D.T. Britt c a Department of Physics, Boston College, Chestnut Hill, MA 02467-3804, USA b Specola Vaticana, V-00120, Vatican City State c Department of Physics, University of Central Florida, Orlando, FL 32816-2385, USA article info abstract Article history: We have measured the thermal conductivity at low temperatures (5–300 K) of six meteorites represent- Received 6 October 2009 ing a range of compositions, including the ordinary chondrites Cronstad (H5) and Lumpkin (L6), the Revised 21 January 2010 enstatite chondrite Abee (E4), the carbonaceous chondrites NWA 5515 (CK4 find) and Cold Bokkeveld Accepted 23 January 2010 (CM2), and the iron meteorite Campo del Cielo (IAB find). All measurements were made using a Quantum Available online 1 February 2010 Design Physical Properties Measurement System, Thermal Transport Option (TTO) on samples cut into regular parallelepipeds of 2–6 mm dimension. -
W Numerze: – Wywiad Z Kustoszem Watykańskiej Kolekcji C.D. – Cz¹stki
KWARTALNIK MI£OŒNIKÓW METEORYTÓW METEORYTMETEORYT Nr 3 (63) Wrzesieñ 2007 ISSN 1642-588X W numerze: – wywiad z kustoszem watykañskiej kolekcji c.d. – cz¹stki ze Stardusta a meteorytry – trawienie meteorytów – utwory sp³ywania na Sikhote-Alinach – pseudometeoryty – konferencja w Tucson METEORYT Od redaktora: kwartalnik dla mi³oœników OpóŸnieniami w wydawaniu kolejnych numerów zaczynamy meteorytów dorównywaæ „Meteorite”, którego sierpniowy numer otrzyma³em Wydawca: w paŸdzierniku. Tym razem g³ówn¹ przyczyn¹ by³y k³opoty z moim Olsztyñskie Planetarium komputerem, ale w koñcowej fazie redagowania okaza³o siê tak¿e, i Obserwatorium Astronomiczne ¿e brak materia³u. Musia³em wiêc poczekaæ na mocno opóŸniony Al. Pi³sudskiego 38 „Meteorite”, z którego dorzuci³em dwa teksty. 10-450 Olsztyn tel. (0-89) 533 4951 Przeskok o jeden numer niezupe³nie siê uda³, a zapowiedzi¹ [email protected] dalszych k³opotów jest mi³y sk¹din¹d fakt, ¿e przep³yw materia³ów zacz¹³ byæ dwukierunkowy. W najnowszym numerze „Meteorite” konto: ukaza³ siê artyku³ Marcina Cima³y o Moss z „Meteorytu” 3/2006, 88 1540 1072 2001 5000 3724 0002 a w kolejnym numerze zapowiedziany jest artyku³ o Morasku BOŒ SA O/Olsztyn z „Meteorytu” 4/2006. W rezultacie jednak bêdzie mniej materia³u do Kwartalnik jest dostêpny g³ównie t³umaczenia i trzeba postaraæ siê o dalsze w³asne teksty. Czy mo¿e ktoœ w prenumeracie. Roczna prenu- merata wynosi w 2007 roku 44 z³. chcia³by coœ napisaæ? Zainteresowanych prosimy o wp³a- Z przyjemnoœci¹ odnotowujê, ¿e nabieraj¹ tempa przygotowania cenie tej kwoty na konto wydawcy do kolejnej konferencji meteorytowej, która planowana jest na 18—20 nie zapominaj¹c o podaniu czytel- nego imienia, nazwiska i adresu do kwietnia 2008 r.