Puncturing Mars: How Impact Craters Interact with the Martian Cryosphere
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Martian Crater Morphology
ANALYSIS OF THE DEPTH-DIAMETER RELATIONSHIP OF MARTIAN CRATERS A Capstone Experience Thesis Presented by Jared Howenstine Completion Date: May 2006 Approved By: Professor M. Darby Dyar, Astronomy Professor Christopher Condit, Geology Professor Judith Young, Astronomy Abstract Title: Analysis of the Depth-Diameter Relationship of Martian Craters Author: Jared Howenstine, Astronomy Approved By: Judith Young, Astronomy Approved By: M. Darby Dyar, Astronomy Approved By: Christopher Condit, Geology CE Type: Departmental Honors Project Using a gridded version of maritan topography with the computer program Gridview, this project studied the depth-diameter relationship of martian impact craters. The work encompasses 361 profiles of impacts with diameters larger than 15 kilometers and is a continuation of work that was started at the Lunar and Planetary Institute in Houston, Texas under the guidance of Dr. Walter S. Keifer. Using the most ‘pristine,’ or deepest craters in the data a depth-diameter relationship was determined: d = 0.610D 0.327 , where d is the depth of the crater and D is the diameter of the crater, both in kilometers. This relationship can then be used to estimate the theoretical depth of any impact radius, and therefore can be used to estimate the pristine shape of the crater. With a depth-diameter ratio for a particular crater, the measured depth can then be compared to this theoretical value and an estimate of the amount of material within the crater, or fill, can then be calculated. The data includes 140 named impact craters, 3 basins, and 218 other impacts. The named data encompasses all named impact structures of greater than 100 kilometers in diameter. -
March 21–25, 2016
FORTY-SEVENTH LUNAR AND PLANETARY SCIENCE CONFERENCE PROGRAM OF TECHNICAL SESSIONS MARCH 21–25, 2016 The Woodlands Waterway Marriott Hotel and Convention Center The Woodlands, Texas INSTITUTIONAL SUPPORT Universities Space Research Association Lunar and Planetary Institute National Aeronautics and Space Administration CONFERENCE CO-CHAIRS Stephen Mackwell, Lunar and Planetary Institute Eileen Stansbery, NASA Johnson Space Center PROGRAM COMMITTEE CHAIRS David Draper, NASA Johnson Space Center Walter Kiefer, Lunar and Planetary Institute PROGRAM COMMITTEE P. Doug Archer, NASA Johnson Space Center Nicolas LeCorvec, Lunar and Planetary Institute Katherine Bermingham, University of Maryland Yo Matsubara, Smithsonian Institute Janice Bishop, SETI and NASA Ames Research Center Francis McCubbin, NASA Johnson Space Center Jeremy Boyce, University of California, Los Angeles Andrew Needham, Carnegie Institution of Washington Lisa Danielson, NASA Johnson Space Center Lan-Anh Nguyen, NASA Johnson Space Center Deepak Dhingra, University of Idaho Paul Niles, NASA Johnson Space Center Stephen Elardo, Carnegie Institution of Washington Dorothy Oehler, NASA Johnson Space Center Marc Fries, NASA Johnson Space Center D. Alex Patthoff, Jet Propulsion Laboratory Cyrena Goodrich, Lunar and Planetary Institute Elizabeth Rampe, Aerodyne Industries, Jacobs JETS at John Gruener, NASA Johnson Space Center NASA Johnson Space Center Justin Hagerty, U.S. Geological Survey Carol Raymond, Jet Propulsion Laboratory Lindsay Hays, Jet Propulsion Laboratory Paul Schenk, -
Martian Subsurface Properties and Crater Formation Processes Inferred from Fresh Impact Crater Geometries
Martian Subsurface Properties and Crater Formation Processes Inferred From Fresh Impact Crater Geometries The Harvard community has made this article openly available. Please share how this access benefits you. Your story matters Citation Stewart, Sarah T., and Gregory J. Valiant. 2006. Martian subsurface properties and crater formation processes inferred from fresh impact crater geometries. Meteoritics and Planetary Sciences 41: 1509-1537. Published Version http://meteoritics.org/ Citable link http://nrs.harvard.edu/urn-3:HUL.InstRepos:4727301 Terms of Use This article was downloaded from Harvard University’s DASH repository, and is made available under the terms and conditions applicable to Other Posted Material, as set forth at http:// nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of- use#LAA Meteoritics & Planetary Science 41, Nr 10, 1509–1537 (2006) Abstract available online at http://meteoritics.org Martian subsurface properties and crater formation processes inferred from fresh impact crater geometries Sarah T. STEWART* and Gregory J. VALIANT Department of Earth and Planetary Sciences, Harvard University, 20 Oxford Street, Cambridge, Massachusetts 02138, USA *Corresponding author. E-mail: [email protected] (Received 22 October 2005; revision accepted 30 June 2006) Abstract–The geometry of simple impact craters reflects the properties of the target materials, and the diverse range of fluidized morphologies observed in Martian ejecta blankets are controlled by the near-surface composition and the climate at the time of impact. Using the Mars Orbiter Laser Altimeter (MOLA) data set, quantitative information about the strength of the upper crust and the dynamics of Martian ejecta blankets may be derived from crater geometry measurements. -
Orbital Evidence for More Widespread Carbonate- 10.1002/2015JE004972 Bearing Rocks on Mars Key Point: James J
PUBLICATIONS Journal of Geophysical Research: Planets RESEARCH ARTICLE Orbital evidence for more widespread carbonate- 10.1002/2015JE004972 bearing rocks on Mars Key Point: James J. Wray1, Scott L. Murchie2, Janice L. Bishop3, Bethany L. Ehlmann4, Ralph E. Milliken5, • Carbonates coexist with phyllosili- 1 2 6 cates in exhumed Noachian rocks in Mary Beth Wilhelm , Kimberly D. Seelos , and Matthew Chojnacki several regions of Mars 1School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, Georgia, USA, 2The Johns Hopkins University/Applied Physics Laboratory, Laurel, Maryland, USA, 3SETI Institute, Mountain View, California, USA, 4Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, California, USA, 5Department of Geological Sciences, Brown Correspondence to: University, Providence, Rhode Island, USA, 6Lunar and Planetary Laboratory, University of Arizona, Tucson, Arizona, USA J. J. Wray, [email protected] Abstract Carbonates are key minerals for understanding ancient Martian environments because they Citation: are indicators of potentially habitable, neutral-to-alkaline water and may be an important reservoir for Wray, J. J., S. L. Murchie, J. L. Bishop, paleoatmospheric CO2. Previous remote sensing studies have identified mostly Mg-rich carbonates, both in B. L. Ehlmann, R. E. Milliken, M. B. Wilhelm, Martian dust and in a Late Noachian rock unit circumferential to the Isidis basin. Here we report evidence for older K. D. Seelos, and M. Chojnacki (2016), Orbital evidence for more widespread Fe- and/or Ca-rich carbonates exposed from the subsurface by impact craters and troughs. These carbonates carbonate-bearing rocks on Mars, are found in and around the Huygens basin northwest of Hellas, in western Noachis Terra between the Argyre – J. -
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Public Disclosure Authorized _______ ;- _____ ____ - -. '-ujuLuzmmw---- Public Disclosure Authorized __________~~~ It lif't5.> fL Elf-iWEtfWIi5I------ S -~ __~_, ~ S,, _ 3111£'' ! - !'_= Public Disclosure Authorized al~~~~~~~~~~~~~~~~~~~~~~sl .' _1EIf l i . i.5I!... ..IillWM .,,= aN N B 1. , l h~~~~~~~~~~~~~~~~~~~~~~~~ Public Disclosure Authorized = r =s s s ~~~~~~~~~~~~~~~~~~~~foss XIe l l=4 1lill'%WYldii.Ul~~~~~~~~~~~~~~~~~~ itA=iII1 l~w 6t*t Estimating Woody Biomass in Sub-Saharan Africa Estimating Woody Biomass in Sub-Saharan Africa Andrew C. Miflington Richard W. Critdhley Terry D. Douglas Paul Ryan With contributions by Roger Bevan John Kirkby Phil O'Keefe Ian Ryle The World Bank Washington, D.C. @1994 The International Bank for Reconstruction and Development/The World Bank 1818 H Street, N.W., Washington, D.C. 20433, US.A. All rights reserved Manufactured in the United States of America First printing March 1994 The findings, interpretations, and conclusiornsexpressed in this publication are those of the authors and do not necessarily represent the views and policies of the World Bank or its Board of Executive Directors or the countries they represent Some sources cited in this paper may be informal documents that are not readily available. The manLerialin this publication is copyrighted. Requests for permission to reproduce portions of it should be sent to the Office of the Publisher at the address shown in the copyright notice above. The World Bank encourages dissemination of its work and will normally give permission promptly and, when the reproduction is for noncommnercial purposes, without asking a fee. Permission to copy portions for classroom use is granted through the CopyrightClearance Center, Inc-, Suite 910,222 Rosewood Drive, Danvers, Massachusetts 01923, US.A. -
Workshop on Mars Telescopic Observations
WORKSHCPON MARS TELESCOPIC OBSERVATIONS 90' 180'-;~~~~~~------------------..~~------------~~----..~o~,· 270' LPI Technical Report Number 95-04 Lunar and Planetary Institute 3600 Bay Area Boulevard Houston TX 77058-1113 LPIITR--95-04 WORKSHOP ON MARS TELESCOPIC OBSERVATIONS Edited by J. F. Bell III and J. E. Moersch Held at Cornell University, Ithaca, New York August 14-15, 1995 Sponsored by Lunar and Planetary Institute Lunar and Planetary Institute 3600 Bay Area Boulevard Houston TX 77058-1113 LPI Technical Report Number 95-04 LPIITR--95-04 Compiled in 1995 by LUNAR AND PLANETARY INSTITUTE The Institute is operated by the Universities Space Research Association under Contract No. NASW-4574 with the National Aeronautics and Space Administration. Material in this volume may be copied without restraint for library, abstract service, education, or personal research purposes; however, republication of any paper or portion thereof requires the written permission of the authors as well as the appropriate acknowledgment of this publication. This report may be cited as Bell J. F.III and Moersch J. E., eds. (1995) Workshop on Mars Telescopic Observations. LPI Tech. Rpt. 95-04, Lunar and Planetary Institute, Houston. 33 pp. This report is distributed by ORDER DEPARTMENT Lunar and Planetary Institute 3600 Bay Area Boulevard Houston TX 77058-1113 Mail order requestors will be invoiced for the cost ofshipping and handling. Cover: Orbits of Mars (outer ellipse) and Earth (inner ellipse) showing oppositions of the planet from 1954to 1999. From C. Aammarion (1954) The Flammarion Book ofAstronomy, Simon and Schuster, New York. LPl Technical Report 95-04 iii Introduction The Mars Telescopic Observations Workshop, held August 14-15, 1995, at Cornell University in Ithaca, New York, was organized and planned with two primary goals in mind: The first goal was to facilitate discussions among and between amateur and professional observers and to create a workshop environment fostering collaborations and comparisons within the Mars ob serving community. -
Appendix I Lunar and Martian Nomenclature
APPENDIX I LUNAR AND MARTIAN NOMENCLATURE LUNAR AND MARTIAN NOMENCLATURE A large number of names of craters and other features on the Moon and Mars, were accepted by the IAU General Assemblies X (Moscow, 1958), XI (Berkeley, 1961), XII (Hamburg, 1964), XIV (Brighton, 1970), and XV (Sydney, 1973). The names were suggested by the appropriate IAU Commissions (16 and 17). In particular the Lunar names accepted at the XIVth and XVth General Assemblies were recommended by the 'Working Group on Lunar Nomenclature' under the Chairmanship of Dr D. H. Menzel. The Martian names were suggested by the 'Working Group on Martian Nomenclature' under the Chairmanship of Dr G. de Vaucouleurs. At the XVth General Assembly a new 'Working Group on Planetary System Nomenclature' was formed (Chairman: Dr P. M. Millman) comprising various Task Groups, one for each particular subject. For further references see: [AU Trans. X, 259-263, 1960; XIB, 236-238, 1962; Xlffi, 203-204, 1966; xnffi, 99-105, 1968; XIVB, 63, 129, 139, 1971; Space Sci. Rev. 12, 136-186, 1971. Because at the recent General Assemblies some small changes, or corrections, were made, the complete list of Lunar and Martian Topographic Features is published here. Table 1 Lunar Craters Abbe 58S,174E Balboa 19N,83W Abbot 6N,55E Baldet 54S, 151W Abel 34S,85E Balmer 20S,70E Abul Wafa 2N,ll7E Banachiewicz 5N,80E Adams 32S,69E Banting 26N,16E Aitken 17S,173E Barbier 248, 158E AI-Biruni 18N,93E Barnard 30S,86E Alden 24S, lllE Barringer 29S,151W Aldrin I.4N,22.1E Bartels 24N,90W Alekhin 68S,131W Becquerei -
Download New Glass Review 21
NewG lass The Corning Museum of Glass NewGlass Review 21 The Corning Museum of Glass Corning, New York 2000 Objects reproduced in this annual review Objekte, die in dieser jahrlich erscheinenden were chosen with the understanding Zeitschrift veroffentlicht werden, wurden unter that they were designed and made within der Voraussetzung ausgewahlt, dass sie in- the 1999 calendar year. nerhalb des Kalenderjahres 1999 entworfen und gefertigt wurden. For additional copies of New Glass Review, Zusatzliche Exemplare der New Glass please contact: Review konnen angefordert werden bei: The Corning Museum of Glass Buying Office One Corning Glass Center Corning, New York 14830-2253 Telephone: (607) 974-6479 Fax: (607) 974-7365 E-mail: [email protected] All rights reserved, 2000 Alle Rechte vorbehalten, 2000 The Corning Museum of Glass The Corning Museum of Glass Corning, New York 14830-2253 Corning, New York 14830-2253 Printed in Frechen, Germany Gedruckt in Frechen, Bundesrepublik Deutschland Standard Book Number 0-87290-147-5 ISSN: 0275-469X Library of Congress Catalog Card Number Aufgefuhrt im Katalog der Library of Congress 81-641214 unter der Nummer 81-641214 Table of Contents/In halt Page/Seite Jury Statements/Statements der Jury 4 Artists and Objects/Kunstlerlnnen und Objekte 16 1999 in Review/Ruckblick auf 1999 36 Bibliography/Bibliografie 44 A Selective Index of Proper Names and Places/ Ausgewahltes Register von Eigennamen und Orten 73 Jury Statements Here is 2000, and where is art? Hier ist das Jahr 2000, und wo ist die Kunst? Although more people believe they make art than ever before, it is a Obwohl mehr Menschen als je zuvor glauben, sie machen Kunst, "definitionless" word about which a lot of people disagree. -
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Stratigraphy and Sedimentology of a Dry to Wet Eolian Depositional System, Burns Formation, Meridiani Planum, Mars
Earth and Planetary Science Letters 240 (2005) 11–72 www.elsevier.com/locate/epsl Stratigraphy and sedimentology of a dry to wet eolian depositional system, Burns formation, Meridiani Planum, Mars J.P. Grotzinger a,*, R.E. Arvidson b, J.F. Bell III c, W. Calvin d, B.C. Clark e, D.A. Fike a, M. Golombek f, R. Greeley g, A. Haldemann f, K.E. Herkenhoff h, B.L. Jolliff b, A.H. Knoll i, M. Malin j, S.M. McLennan k, T. Parker e, L. Soderblom g, J.N. Sohl-Dickstein b, S.W. Squyres b, N.J. Tosca k, W.A. Watters a a Massachusetts Inst. of Technology, Earth, Atmos. and Planetary Sci., Cambridge, MA 02139, USA b Department Earth and Planetary Sciences, Washington University, St. Louis, MO 63130, USA c Department of Astronomy, Space Sciences Bldg. Cornell University, Ithaca, NY 14853, USA d University of Nevada, Reno, NV 89501, USA e Lockheed Martin Corporation, Littleton, CO 80127, USA f Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA g Department Geological Sciences, Arizona State University, Box 871404, Tempe, AZ 85287-1404, USA h U.S. Geological Survey, Flagstaff, AZ 86001, USA i Botanical Museum, Harvard University, Cambridge MA 02138, USA j Malin Space Science Systems, Inc., San Diego, CA 92191, USA k Department of Geosciences, State University of New York, Stony Brook, NY 11794-2100, USA Accepted 22 September 2005 Editor: A.N. Halliday Abstract Outcrop exposures of sedimentary rocks at the Opportunity landing site (Meridiani Planum) form a set of genetically related strata defined here informally as the Burns formation. -
Bulletin of the British Museum (Natural History) Entomology
Bulletin of the British Museum (Natural History) A review of the Solenopsis genus-group and revision of Afrotropical Monomorium Mayr (Hymenoptera: Formicidae) Barry Bolton Entomology series Vol 54 No 3 25 June 1987 The Bulletin of the British Museum (Natural History), instituted in 1949, is issued in four scientific series, Botany, Entomology, Geology (incorporating Mineralogy) and Zoology, and an Historical series. Papers in the Bulletin are primarily the results of research carried out on the unique and ever-growing collections of the Museum, both by the scientific staff of the Museum and by specialists from elsewhere who make use of the Museum's resources. Many of the papers are works of reference that will remain indispensable for years to come. Parts are published at irregular intervals as they become ready, each is complete in itself, available separately, and individually priced. Volumes contain about 300 pages and several volumes may appear within a calendar year. Subscriptions may be placed for one or more of the series on either an Annual or Per Volume basis. Prices vary according to the contents of the individual parts. Orders and enquiries should be sent to: Publications Sales, British Museum (Natural History), Cromwell Road, London SW7 5BD, England. World List abbreviation: Bull. Br. Mus. nat. Hist. (Ent.) ©British Museum (Natural History), 1987 The Entomology series is produced under the general editorship of the Keeper of Entomology: Laurence A. Mound Assistant Editor: W. Gerald Tremewan ISBN 565 06026 ISSN 0524-6431 Entomology -
A Review of Sample Analysis at Mars-Evolved Gas Analysis Laboratory Analog Work Supporting the Presence of Perchlorates and Chlorates in Gale Crater, Mars
minerals Review A Review of Sample Analysis at Mars-Evolved Gas Analysis Laboratory Analog Work Supporting the Presence of Perchlorates and Chlorates in Gale Crater, Mars Joanna Clark 1,* , Brad Sutter 2, P. Douglas Archer Jr. 2, Douglas Ming 3, Elizabeth Rampe 3, Amy McAdam 4, Rafael Navarro-González 5,† , Jennifer Eigenbrode 4 , Daniel Glavin 4 , Maria-Paz Zorzano 6,7 , Javier Martin-Torres 7,8, Richard Morris 3, Valerie Tu 2, S. J. Ralston 2 and Paul Mahaffy 4 1 GeoControls Systems Inc—Jacobs JETS Contract at NASA Johnson Space Center, Houston, TX 77058, USA 2 Jacobs JETS Contract at NASA Johnson Space Center, Houston, TX 77058, USA; [email protected] (B.S.); [email protected] (P.D.A.J.); [email protected] (V.T.); [email protected] (S.J.R.) 3 NASA Johnson Space Center, Houston, TX 77058, USA; [email protected] (D.M.); [email protected] (E.R.); [email protected] (R.M.) 4 NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA; [email protected] (A.M.); [email protected] (J.E.); [email protected] (D.G.); [email protected] (P.M.) 5 Institito de Ciencias Nucleares, Universidad Nacional Autonoma de Mexico, Mexico City 04510, Mexico; [email protected] 6 Centro de Astrobiología (INTA-CSIC), Torrejon de Ardoz, 28850 Madrid, Spain; [email protected] 7 Department of Planetary Sciences, School of Geosciences, University of Aberdeen, Aberdeen AB24 3FX, UK; [email protected] 8 Instituto Andaluz de Ciencias de la Tierra (CSIC-UGR), Armilla, 18100 Granada, Spain Citation: Clark, J.; Sutter, B.; Archer, * Correspondence: [email protected] P.D., Jr.; Ming, D.; Rampe, E.; † Deceased 28 January 2021.