GSA TODAY North-Central, P

Total Page:16

File Type:pdf, Size:1020Kb

GSA TODAY North-Central, P Vol. 9, No. 10 October 1999 INSIDE • 1999 Honorary Fellows, p. 16 • Awards Nominations, p. 18, 20 • 2000 Section Meetings GSA TODAY North-Central, p. 27 A Publication of the Geological Society of America Rocky Mountain, p. 28 Cordilleran, p. 30 Refining Rodinia: Geologic Evidence for the Australia–Western U.S. connection in the Proterozoic Karl E. Karlstrom, [email protected], Stephen S. Harlan*, Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131 Michael L. Williams, Department of Geosciences, University of Massachusetts, Amherst, MA, 01003-5820, [email protected] James McLelland, Department of Geology, Colgate University, Hamilton, NY 13346, [email protected] John W. Geissman, Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131, [email protected] Karl-Inge Åhäll, Earth Sciences Centre, Göteborg University, Box 460, SE-405 30 Göteborg, Sweden, [email protected] ABSTRACT BALTICA Prior to the Grenvillian continent- continent collision at about 1.0 Ga, the southern margin of Laurentia was a long-lived convergent margin that SWEAT TRANSSCANDINAVIAN extended from Greenland to southern W. GOTHIAM California. The truncation of these 1.8–1.0 Ga orogenic belts in southwest- ern and northeastern Laurentia suggests KETILIDEAN that they once extended farther. We propose that Australia contains the con- tinuation of these belts to the southwest LABRADORIAN and that Baltica was the continuation to the northeast. The combined orogenic LAURENTIA system was comparable in length to the AUSWUS Nd MODEL AGE modern American Cordilleran or 1.0 - 1.3 Ga Alpine-Himalayan systems. This plate ARUNTA MI 1.3 - 1.5 Ga MUSGRAVE 1.6 - 1.8 Ga YAVAPAI ENVILLE reconstruction of the Proterozoic super- J R Ga G 1.8 - 2.0 Ga AUSTRALIA L 1.5 ZA continent Rodinia called AUSWUS AT - 2.0 - 2.3 Ga BH AZ 1.3 (Australia–Southwest U.S.) differs from M > 2.5 Ga the well-known SWEAT (Southwest Massive Sulfides U.S.–East Antarctic) reconstruction in Rift Margins that Australia, rather than northern OAXACA 1000 Km Canada, is adjacent to the southwestern ANTARCTICA Thrust Faults United States. The AUSWUS reconstruc- tion is supported by a distinctive CRUSTAL AGE “fingerprint” of geologic similarities and tectonic histories between Australia Figure 1. AUSWUS reconstruction for 1.7 to 0.8 Ga, modified from Brookfield (1993). The Tasman line and the southwestern United States forms the eastern edge of Proterozoic Australia (Myers et al., 1996); the 87Sr/86Sr = 0.706 line marks the from 1.8 to 0.8 Ga, and by a better west edge of Proterozoic Laurentia. Continents were rotated to this configuration about an Euler pole agreement between 1.45 and 1.0 Ga located at 51.46°N 106.70°E, rotation angle 114.33°. Both continents appear in equal-area projection in North American coordinates. The position of Australia in the SWEAT reconstruction is shown for compar- paleomagnetic poles for Australia and ison (from Moores, 1991). Crustal age provinces inferred from Nd data. Massive sulfide deposits of Bro- Laurentia. ken Hill (BH) are to similar deposits in Jerome (J) in central Arizona and Mount Isa (MI) is across from the Carlin area of Nevada. INTRODUCTION chemistry, and long-lived mantle convec- continents, and later modifications to Many recent papers have concluded tion patterns (Dalziel, 1997; Hoffman et Precambrian plate margins during the that a supercontinent called Rodinia al., 1998; Evans, 1998). However, the dura- Phanerozoic. Thus, the implications of existed in the Neoproterozoic between 1.0 tion and configuration, and even the exis- possible pre-Pangean supercontinents for and 0.8 Ga. There is speculation that the tence (Piper and Zhang, 1999), of this late the evolution of Earth systems in general breakup of Rodinia may have been related Proterozoic supercontinent remain uncer- are difficult to evaluate. to dramatic changes in Earth systems such tain. Detailed reconstructions are hindered One approach to supercontinent as diversification of life, multiple low- by absence of a sea-floor record, lack of reconstructions is to try to match rifted latitude glaciations, fluctuating ocean sufficient geochronologic information to margins of a given age. Reconstructions of show synchroneity of supercontinent the Mesozoic supercontinent of Pangea *Present address: P.O. Box 25046, MS 980, assembly and breakup, lack of high- account for the shape and length of rift Federal Center, Denver, CO 80225, quality apparent polar wander paths [email protected] (APW) for Precambrian rocks of many Refining Rodinia continued on p. 2 IN THIS ISSUE GSA TODAY October Vol. 9, No. 10 1999 Refining Rodinia: Geologic Evidence Call for Nominations for 2000 GSA TODAY (ISSN 1052-5173) is published monthly for the Australia–Western U.S. GSA Distinguished Service Award ....... 22 by The Geological Society of America, Inc., with offices at 3300 Penrose Place, Boulder, Colorado. Mailing address: P.O. Box connection in the Proterozoic ...... 1 GSA Division and Section Grants 1999 . 23 9140, Boulder, CO 80301-9140, U.S.A. Periodicals postage Memorial Preprints . .......... 2 paid at Boulder, Colorado, and at additional mailing offices. Call for Nominations—2000 John C. Postmaster: Send address changes to GSA Today, Member- In Memoriam .......................... 3 Frye Environmental Geology Award ..... 24 ship Services, P.O. Box 9140, Boulder, CO 80301-9140. SAGE Remarks: Redesigning the Geo- Call for Nominations— Copyright © 1999, The Geological Society of America, Inc. logical Map for the Public Audience ..... 8 GSA Public Service Award ............... 24 (GSA). All rights reserved. Copyright not claimed on content prepared wholly by U.S. Government employees within the Dialogue .............................. 10 Call for Geological Papers for 2000 scope of their employment. Permission is granted to individ- GSA Sections and Annual Meetings ..... 25 uals to photocopy freely all items other than the science arti- Washington Report—Defining a National cles to further science and education. Individual scientists are Environmental Framework Continues . 11 Call for Nominations—Planetary hereby granted permission, without royalties or further Penrose Conference Report—Mid- Geoscience Student Paper Award ....... 25 requests, to make unlimited photocopies of the science arti- cles for use in classrooms to further education and science, Cretaceous to Recent Plate Boundary 2000 Research Grants Program and to make up to five copies for distribution to associates in Processes in the Southwest Pacific ...... 13 for Students . .............. 26 the furtherance of science; permission is granted to make more than five photocopies for other noncommercial, non- Geochemist, Petrologist Named 2000 Section Meetings profit purposes furthering science and education upon pay- Honorary Fellows . ....... 16 North-Central Section ................ 27 ment of a fee ($0.25 per page-copy) directly to the Copy- GSA Penrose Medal, Day Medal, Rocky Mountain Section .............. 28 right Clearance Center, 222 Rosewood Drive, Danvers, Cordilleran Section . ................. 29 MA 01923 USA, phone (978) 750-8400, http://www. and Honorary Fellows. .................. 18 copyright.com; when paying, reference GSA Today, ISSN GSA on the Web . ....... 18 GSA Foundation Update ................ 31 1052-5173. Written permission is required from GSA for all other forms of capture, reproduction, and/or distribution of Young Scientist Award ................. 20 Bulletin and Geology Contents .......... 34 any item in this publication by any means, including posting Calendar .............................. 35 on authors’ or organizational Web sites, except that permis- Call for Nominations— sion is granted to authors to post the abstracts only of their National Awards for 2002 .............. 22 Classifieds ............................. 35 science articles on their own or their organization’s Web site providing the posting includes this reference: “The full paper was published in the Geological Society of America’s news- magazine, GSA Today [include year, month, and page num- ber if known, where article appears or will appear].” GSA provides this and other forums for the presentation of Memorial Preprints diverse opinions and positions by scientists worldwide, regardless of their race, citizenship, gender, religion, or polit- The following memorial preprints are now available, free of charge, by writing to GSA, ical viewpoint. Opinions presented in this publication do not P.O. Box 9140, Boulder, CO 80301-9140. reflect official positions of the Society. John R. Castaño James Millard Kirby Harold W. Scott SUBSCRIPTIONS for 1999 calendar year: Society Wallace G. Dow Barbara Kirby Pricer B Members: GSA Today is provided as part of membership dues. Contact Membership Services at (800) 472-1988, J. Wyatt Durham Gerhard W. Leo Ward C. Smith (303) 447-2020 or [email protected] for member- Ralph L. Langenheim, Jr. Dennis P. Cox George I. Smith ship information. Nonmembers & Institutions: Free with paid subscription to both GSA Bulletin and Geology, Rudolph W. Edmund Bruce Delwin Martin George F. Sowers otherwise $50 for U.S., Canada, and Mexico; $60 else- Richard C. Anderson, Paul D. Lowman Jr. Gerald H. Fogle where. Contact Subscription Services. Single copies may Harold W. Sundelius, and be requested from Publication Sales. Also available on an Joseph D. Martinez Paul T. Walton annual CD-ROM, (together with GSA Bulletin, Geology, GSA Charles E. Tranter Data Repository, and
Recommended publications
  • National Science Board, Staff, Divisional Committees And
    . APPENDIX I NATIONALSCIENCEBOARD, STAFF, D~VISIONALCOMMMTEESAND ADVISORY PANELS NATIONALSCIENCEBOARD Terms Expire May lo,1956 JOHN W. DAVIS, President (ret.), West Virginia State College, Englewood, N. J. EDWIN B. FRED, President, the University of Wisconsin, Madison, Wis. hJRENCE M. GOULD, President, Carleton College, Northfield, Minn. PAUL M. GROSS: Vice President and Dean of Duke University, Duke University, Durham, N. C. GEORGE D. HUMPHREY, President, the University of Wyoming, Laramie, wyo. 0. W. HYMAN, Vice President, the University of Tennessee, Memphis, Term. FREDERICK A. MIDDLEBUSH,~ President Emeritus, University of Missouri, Columbia, MO. EARL P. STJWENSON,~ President, Arthur D. Little, Inc., Cambridge, Mass. Terms Expire May lo,1958 SOPHIE D. ABERLE,~ Special Research Director, the University of New Mexico, Albuquerque, N. Mex. CHESTER I. BARN~,~ Chairman of the Board, President (ret.), Rocke- feller Foundation, New York, N. Y. ROBERT P. BARNES, Professor of Chemistry, Howard University, Washing- ton, D. C. DETLEV W. BRONIC,~ Vice Chairman of the Board and Chairman of the Executive Committee, President, National Academy of Sciences, Wash- ington, D. C., and President, Rockefeller Institute for Medical Research, New York, N. Y. GERTY T. Coar, Professor of Biological Chemistry, School of Medicine, Washington University, St. Louis, MO. CHARLES DOLLARD, President, Carnegie Corp. of New York, New York, N. Y. ROBERT F. LOEB,~ Bard Professor of Medicine, College of Physicians and Surgeons, Columbia University, New York, N. Y. ANDREY A. POTTER, Dean Emeritus of Engineering, Purdue University, Lafayette, Ind. Terms Expire May 10, 1960 RWER ADAMS, Department of Chemistry and Chemical Engineering, Uni- versity of Illinois, Urbana, Ill. 60 FOURTE ANNUAL REPORT 61 THEODORE M.
    [Show full text]
  • Sabbatical Leave Report 2019 – 2020
    Sabbatical Leave Report 2019 – 2020 James MacDevitt, M.A. Associate Professor of Art History and Visual & Cultural Studies Director, Cerritos College Art Gallery Department of Art and Design Fine Arts and Communications Division Cerritos College January 2021 Table of Contents Title Page i Table of Contents ii Sabbatical Leave Application iii Statement of Purpose 35 Objectives and Outcomes 36 OER Textbook: Disciplinary Entanglements 36 Getty PST Art x Science x LA Research Grant Application 37 Conference Presentation: Just Futures 38 Academic Publication: Algorithmic Culture 38 Service and Practical Application 39 Concluding Statement 40 Appendix List (A-E) 41 A. Disciplinary Entanglements | Table of Contents 42 B. Disciplinary Entanglements | Screenshots 70 C. Getty PST Art x Science x LA | Research Grant Application 78 D. Algorithmic Culture | Book and Chapter Details 101 E. Just Futures | Conference and Presentation Details 103 2 SABBATICAL LEAVE APPLICATION TO: Dr. Rick Miranda, Jr., Vice President of Academic Affairs FROM: James MacDevitt, Associate Professor of Visual & Cultural Studies DATE: October 30, 2018 SUBJECT: Request for Sabbatical Leave for the 2019-20 School Year I. REQUEST FOR SABBATICAL LEAVE. I am requesting a 100% sabbatical leave for the 2019-2020 academic year. Employed as a fulltime faculty member at Cerritos College since August 2005, I have never requested sabbatical leave during the past thirteen years of service. II. PURPOSE OF LEAVE Scientific advancements and technological capabilities, most notably within the last few decades, have evolved at ever-accelerating rates. Artists, like everyone else, now live in a contemporary world completely restructured by recent phenomena such as satellite imagery, augmented reality, digital surveillance, mass extinctions, artificial intelligence, prosthetic limbs, climate change, big data, genetic modification, drone warfare, biometrics, computer viruses, and social media (and that’s by no means meant to be an all-inclusive list).
    [Show full text]
  • What Lies Beneath the Western Gawler Craton? Interpretations and Implications from Deep Crustal Seismic Reflection Profile 13GA-EG1
    What lies beneath the western Gawler Craton? Interpretations and implications from deep crustal seismic reflection profile 13GA-EG1 Wise, Tom 1; Dutch, Rian 1,2 ; Pawley, Mark 1; Doublier, Michael 3, Kennett, Brian 4, Fraser, Geoff 3, Clark, Dan 3 and Thiel, Stephan 1,2 1Geological Survey of South Australia, Department of State Development, Adelaide, South Australia 2 School of Physical Sciences, University of Adelaide, Adelaide, South Australia 3Resources Division, Geoscience Australia, Canberra, ACT 4 Research School of Earth Sciences, Australian National University, Canberra, ACT The eastern section of deep seismic reflection profile 13GA-EG1, here referred to as 13GA-EG1E, starts at Tarcoola in the central Gawler Craton and extends west across the predominantly covered western Gawler Craton, and into the thickly covered Coompana Province. Limited control on the crystalline basement imaged by this seismic transect is available to aid seismic interpretation, as outcrop and drilling are sparse. Neoproterozoic-recent cover thickens to the western end of 13GA-EG1E, with the Neoproterozoic-Ordovician Officer Basin and Cenozoic Eucla Basin combining to provide a cover thickness of up to ~2.5 km. Hence, the seismic profile is a crucial tool for understanding the geology and crustal evolution of this area. The upper crust of the Gawler Craton can be sub-divided into three distinct domains, corresponding to domains previously defined by aeromagnetics. The Wilgena Domain, at the eastern end of the profile, is characterised by apparent east-dipping structures, whereas the Christie and Nawa Domains predominantly contain apparent west-dipping structures. Some of these upper crustal structures can be traced to greater depths, where they either flatten out in the lower crust, or in several cases, offset the Moho.
    [Show full text]
  • Proceedings Op the Twenty-Third Annual Meeting Op the Geological Society Op America, Held at Pittsburgh, Pennsylvania, December 21, 28, and 29, 1910
    BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA VOL. 22, PP. 1-84, PLS. 1-6 M/SRCH 31, 1911 PROCEEDINGS OP THE TWENTY-THIRD ANNUAL MEETING OP THE GEOLOGICAL SOCIETY OP AMERICA, HELD AT PITTSBURGH, PENNSYLVANIA, DECEMBER 21, 28, AND 29, 1910. Edmund Otis Hovey, Secretary CONTENTS Page Session of Tuesday, December 27............................................................................. 2 Election of Auditing Committee....................................................................... 2 Election of officers................................................................................................ 2 Election of Fellows................................................................................................ 3 Election of Correspondents................................................................................. 3 Memoir of J. C. Ii. Laflamme (with bibliography) ; by John M. Clarke. 4 Memoir of William Harmon Niles; by George H. Barton....................... 8 Memoir of David Pearce Penhallow (with bibliography) ; by Alfred E. Barlow..................................................................................................................... 15 Memoir of William George Tight (with bibliography) ; by J. A. Bownocker.............................................................................................................. 19 Memoir of Robert Parr Whitfield (with bibliography by L. Hussa- kof) ; by John M. Clarke............................................................................... 22 Memoir of Thomas
    [Show full text]
  • History of Geology
    FEBRUARY 2007 PRIMEFACT 563 (REPLACES MINFACT 60) History of geology Mineral Resources Early humans needed a knowledge of simple geology to enable them to select the most suitable rock types both for axe-heads and knives and for the ornamental stones they used in worship. In the Neolithic and Bronze Ages, about 5000 to 2500 BC, flint was mined in the areas which are now Belgium, Sweden, France, Portugal and Britain. While Stone Age cultures persisted in Britain until after 2000 BC, in the Middle East people began to mine useful minerals such as iron ore, tin, clay, gold and copper as early as 4000 BC. Smelting techniques were developed to make the manufacture of metal tools possible. Copper was probably the earliest metal to be smelted, that is, extracted from its ore by melting. Copper is obtained easily by reducing the green copper carbonate mineral malachite, itself regarded as a precious stone. From 4000 BC on, the use of clay for brick-making became widespread. The Reverend William Branwhite Clarke (1798-1878), smelting of iron ore for making of tools and the ‘father’ of geology in New South Wales weapons began in Asia Minor at about 1300 BC but did not become common in Western Europe until Aristotle believed volcanic eruptions and nearly 500 BC. earthquakes were caused by violent winds escaping from the interior of the earth. Since earlier writers had ascribed these phenomena to The classical period supernatural causes, Aristotle's belief was a By recognising important surface processes at marked step forward. Eratosthenes, a librarian at work, the Greek, Arabic and Roman civilisations Alexandria at about 200 BC, made surprisingly contributed to the growth of knowledge about the accurate measurements of the circumference of earth.
    [Show full text]
  • Study of Morphotectonics and Hydrogeology for Groundwater
    STUDY OF MORPHOTECTONICS AND HYDROGEOLOGY FOR GROUNDWATER PROSPECTING USING REMOTE SENSING AND GIS IN THE NORTH WEST HIMALAYA, DISTRICT SIRMOUR, HIMACHAL PRADESH, INDIA Thapa, R1, Kumar Ravindra2and Sood, R.K1 1Remote Sensing Centre, Science Technology & Environment, 34-SDA Complex, Kasumpti, Shimla, Himachal Pradesh, India 171 009 India - [email protected], [email protected] 2Centre of Advanced Study in Geology,Panjab University Chandigarh,160 014 India - [email protected]. KEY WORDS: Satellite Imageries, Neo-Tectonics,GPS, Hydrogeology, Morphometric Analysis, Weightage, GIS, Ground Water Potential. ABSTRACT: The study of aerial photographs, satellite images topographic maps supported by ground truth survey reveals that the study area has a network of interlinked subsurface fractures. The features of neo-tectonic activities in the form of faults and lineaments has a definite control on the alignment of many rivers and their tributaries. Geology and Morphotectonics describes the regional geology and its correlation with major and minor geological structures. The study of slopes, aspects, drainage network represents the hydrogeology and helps in categorization of the land forms into different hydro-geomorphological classes representing the relationship of the geological structures vis-à-vis the ground water occurrence. Data integration and ground water potential describes the designing of data base for ground water analysis in GIS platform and the use of hydro-geomorphological models based on satellite imageries
    [Show full text]
  • Paleoclimatic Implications of the Spatial Patterns of Modern and LGM European Land-Snail Shell Δ18o
    ARTICLE IN PRESS YQRES-03085; No. of pages: 11; 4C: Quaternary Research xxx (2010) xxx–xxx Contents lists available at ScienceDirect Quaternary Research journal homepage: www.elsevier.com/locate/yqres Paleoclimatic implications of the spatial patterns of modern and LGM European land-snail shell δ18O Natalie M. Kehrwald a,⁎, William D. McCoy b, Jeanne Thibeault c, Stephen J. Burns b, Eric A. Oches d a University of Venice, IDPA-CNR, Calle Larga S. Marta 2137, I-30123 Venice, Italy b Department of Geosciences, University of Massachusetts, Amherst, MA 01003, USA c Department of Geography, University of Connecticut, Storrs, CT 06269, USA d Department of Natural and Applied Sciences, Bentley University, Waltham, MA 02452, USA article info abstract Article history: The oxygen isotopic composition of land-snail shells may provide insight into the source region and Received 27 March 2009 trajectory of precipitation. Last glacial maximum (LGM) gastropod shells were sampled from loess from Available online xxxx 18 Belgium to Serbia and modern land-snail shells both record δ O values between 0‰ and −5‰. There are significant differences in mean fossil shell δ18O between sites but not among genera at a single location. Keywords: Therefore, we group δ18O values from different genera together to map the spatial distribution of δ18Oin Land snails shell carbonate. Shell 18O values reflect the spatial variation in the isotopic composition of precipitation and Oxygen isotopes δ 18 LGM incorporate the snails' preferential sampling of precipitation during the warm season. Modern shell δ O Climate decreases in Europe along a N–S gradient from the North Sea inland toward the Alps.
    [Show full text]
  • UNITED STATES DISTRICT COURT NORTHERN DISTRICT of INDIANA SOUTH BEND DIVISION in Re FEDEX GROUND PACKAGE SYSTEM, INC., EMPLOYMEN
    USDC IN/ND case 3:05-md-00527-RLM-MGG document 3279 filed 03/22/19 page 1 of 354 UNITED STATES DISTRICT COURT NORTHERN DISTRICT OF INDIANA SOUTH BEND DIVISION ) Case No. 3:05-MD-527 RLM In re FEDEX GROUND PACKAGE ) (MDL 1700) SYSTEM, INC., EMPLOYMENT ) PRACTICES LITIGATION ) ) ) THIS DOCUMENT RELATES TO: ) ) Carlene Craig, et. al. v. FedEx Case No. 3:05-cv-530 RLM ) Ground Package Systems, Inc., ) ) PROPOSED FINAL APPROVAL ORDER This matter came before the Court for hearing on March 11, 2019, to consider final approval of the proposed ERISA Class Action Settlement reached by and between Plaintiffs Leo Rittenhouse, Jeff Bramlage, Lawrence Liable, Kent Whistler, Mike Moore, Keith Berry, Matthew Cook, Heidi Law, Sylvia O’Brien, Neal Bergkamp, and Dominic Lupo1 (collectively, “the Named Plaintiffs”), on behalf of themselves and the Certified Class, and Defendant FedEx Ground Package System, Inc. (“FXG”) (collectively, “the Parties”), the terms of which Settlement are set forth in the Class Action Settlement Agreement (the “Settlement Agreement”) attached as Exhibit A to the Joint Declaration of Co-Lead Counsel in support of Preliminary Approval of the Kansas Class Action 1 Carlene Craig withdrew as a Named Plaintiff on November 29, 2006. See MDL Doc. No. 409. Named Plaintiffs Ronald Perry and Alan Pacheco are not movants for final approval and filed an objection [MDL Doc. Nos. 3251/3261]. USDC IN/ND case 3:05-md-00527-RLM-MGG document 3279 filed 03/22/19 page 2 of 354 Settlement [MDL Doc. No. 3154-1]. Also before the Court is ERISA Plaintiffs’ Unopposed Motion for Attorney’s Fees and for Payment of Service Awards to the Named Plaintiffs, filed with the Court on October 19, 2018 [MDL Doc.
    [Show full text]
  • Special Catalogue Milestones of Lunar Mapping and Photography Four Centuries of Selenography on the Occasion of the 50Th Anniversary of Apollo 11 Moon Landing
    Special Catalogue Milestones of Lunar Mapping and Photography Four Centuries of Selenography On the occasion of the 50th anniversary of Apollo 11 moon landing Please note: A specific item in this catalogue may be sold or is on hold if the provided link to our online inventory (by clicking on the blue-highlighted author name) doesn't work! Milestones of Science Books phone +49 (0) 177 – 2 41 0006 www.milestone-books.de [email protected] Member of ILAB and VDA Catalogue 07-2019 Copyright © 2019 Milestones of Science Books. All rights reserved Page 2 of 71 Authors in Chronological Order Author Year No. Author Year No. BIRT, William 1869 7 SCHEINER, Christoph 1614 72 PROCTOR, Richard 1873 66 WILKINS, John 1640 87 NASMYTH, James 1874 58, 59, 60, 61 SCHYRLEUS DE RHEITA, Anton 1645 77 NEISON, Edmund 1876 62, 63 HEVELIUS, Johannes 1647 29 LOHRMANN, Wilhelm 1878 42, 43, 44 RICCIOLI, Giambattista 1651 67 SCHMIDT, Johann 1878 75 GALILEI, Galileo 1653 22 WEINEK, Ladislaus 1885 84 KIRCHER, Athanasius 1660 31 PRINZ, Wilhelm 1894 65 CHERUBIN D'ORLEANS, Capuchin 1671 8 ELGER, Thomas Gwyn 1895 15 EIMMART, Georg Christoph 1696 14 FAUTH, Philipp 1895 17 KEILL, John 1718 30 KRIEGER, Johann 1898 33 BIANCHINI, Francesco 1728 6 LOEWY, Maurice 1899 39, 40 DOPPELMAYR, Johann Gabriel 1730 11 FRANZ, Julius Heinrich 1901 21 MAUPERTUIS, Pierre Louis 1741 50 PICKERING, William 1904 64 WOLFF, Christian von 1747 88 FAUTH, Philipp 1907 18 CLAIRAUT, Alexis-Claude 1765 9 GOODACRE, Walter 1910 23 MAYER, Johann Tobias 1770 51 KRIEGER, Johann 1912 34 SAVOY, Gaspare 1770 71 LE MORVAN, Charles 1914 37 EULER, Leonhard 1772 16 WEGENER, Alfred 1921 83 MAYER, Johann Tobias 1775 52 GOODACRE, Walter 1931 24 SCHRÖTER, Johann Hieronymus 1791 76 FAUTH, Philipp 1932 19 GRUITHUISEN, Franz von Paula 1825 25 WILKINS, Hugh Percy 1937 86 LOHRMANN, Wilhelm Gotthelf 1824 41 USSR ACADEMY 1959 1 BEER, Wilhelm 1834 4 ARTHUR, David 1960 3 BEER, Wilhelm 1837 5 HACKMAN, Robert 1960 27 MÄDLER, Johann Heinrich 1837 49 KUIPER Gerard P.
    [Show full text]
  • Regional Oral History Off Ice University of California the Bancroft Library Berkeley, California
    Regional Oral History Off ice University of California The Bancroft Library Berkeley, California Richard B. Gump COMPOSER, ARTIST, AND PRESIDENT OF GUMP'S, SAN FRANCISCO An Interview Conducted by Suzanne B. Riess in 1987 Copyright @ 1989 by The Regents of the University of California Since 1954 the Regional Oral History Office has been interviewing leading participants in or well-placed witnesses to major events in the development of Northern California, the West,and the Nation. Oral history is a modern research technique involving an interviewee and an informed interviewer in spontaneous conversation. The taped record is transcribed, lightly edited for continuity and clarity, and reviewed by the interviewee. The resulting manuscript is typed in final form, indexed, bound with photographs and illustrative materials, and placed in The Bancroft Library at the University of California, Berkeley, and other research collections for scholarly use. Because it is primary material, oral history is not intended to present the final, verified, or complete narrative of events. It is a spoken account, offered by the interviewee in response to questioning, and as such it is reflective, partisan, deeply involved, and irreplaceable. All uses of this manuscript are covered by a legal agreement between the University of California and Richard B. Gump dated 7 March 1988. The manuscript is thereby made available for research purposes. All literary rights in the manuscript, including the right to publish, are reserved to The Bancroft Library of the University of California, Berkeley. No part of the manuscript may be quoted for publication without the written permission of the Director of The Bancroft Library of the University of California, Berkeley.
    [Show full text]
  • PDF— Granite-Greenstone Belts Separated by Porcupine-Destor
    C G E S NT N A ER S e B EC w o TIO ok N Vol. 8, No. 10 October 1998 es st t or INSIDE Rel e • 1999 Section Meetings ea GSA TODAY Rocky Mountain, p. 25 ses North-Central, p. 27 A Publication of the Geological Society of America • Honorary Fellows, p. 8 Lithoprobe Leads to New Perspectives on 70˚ -140˚ 70˚ Continental Evolution -40˚ Ron M. Clowes, Lithoprobe, University -120˚ of British Columbia, 6339 Stores Road, -60˚ -100˚ -80˚ Vancouver, BC V6T 1Z4, Canada, 60˚ Wopmay 60˚ [email protected] Slave SNORCLE Fred A. Cook, Department of Geology & Thelon Rae Geophysics, University of Calgary, Calgary, Nain Province AB T2N 1N4, Canada 50˚ ECSOOT John N. Ludden, Centre de Recherches Hearne Pétrographiques et Géochimiques, Taltson Vandoeuvre-les-Nancy, Cedex, France AB Trans-Hudson Orogen SC THOT LE WS Superior Province ABSTRACT Cordillera AG Lithoprobe, Canada’s national earth KSZ o MRS 40 40 science research project, was established o Grenville Province in 1984 to develop a comprehensive Wyoming Penokean GL -60˚ understanding of the evolution of the -120˚ Yavapai Province Orogen Appalachians northern North American continent. With rocks representing 4 b.y. of Earth -100˚ -80˚ history, the Canadian landmass and off- Phanerozoic Proterozoic Archean shore margins provide an exceptional 200 Ma - present 1100 Ma 3200 - 2650 Ma opportunity to gain new perspectives on continental evolution. Lithoprobe’s 470 - 275 Ma 1300 - 1000 Ma 3400 - 2600 Ma 10 study areas span the country and 1800 - 1600 Ma 3800 - 2800 Ma geological time. A pan-Lithoprobe syn- 1900 - 1800 Ma 4000 - 2500 Ma thesis will bring the project to a formal conclusion in 2003.
    [Show full text]
  • A Ballistics Analysis of the Deep Impact Ejecta Plume: Determining Comet Tempel 1’S Gravity, Mass, and Density
    Icarus 190 (2007) 357–390 www.elsevier.com/locate/icarus A ballistics analysis of the Deep Impact ejecta plume: Determining Comet Tempel 1’s gravity, mass, and density James E. Richardson a,∗,H.JayMeloshb, Carey M. Lisse c, Brian Carcich d a Center for Radiophysics and Space Research, Cornell University, Ithaca, NY 14853, USA b Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ 85721-0092, USA c Planetary Exploration Group, Space Department, Johns Hopkins University Applied Physics Laboratory, 11100 Johns Hopkins Road, Laurel, MD 20723, USA d Center for Radiophysics and Space Research, Cornell University, Ithaca, NY 14853, USA Received 31 March 2006; revised 8 August 2007 Available online 15 August 2007 Abstract − In July of 2005, the Deep Impact mission collided a 366 kg impactor with the nucleus of Comet 9P/Tempel 1, at a closing speed of 10.2 km s 1. In this work, we develop a first-order, three-dimensional, forward model of the ejecta plume behavior resulting from this cratering event, and then adjust the model parameters to match the flyby-spacecraft observations of the actual ejecta plume, image by image. This modeling exercise indicates Deep Impact to have been a reasonably “well-behaved” oblique impact, in which the impactor–spacecraft apparently struck a small, westward-facing slope of roughly 1/3–1/2 the size of the final crater produced (determined from initial ejecta plume geometry), and possessing an effective strength of not more than Y¯ = 1–10 kPa. The resulting ejecta plume followed well-established scaling relationships for cratering in a medium-to-high porosity target, consistent with a transient crater of not more than 85–140 m diameter, formed in not more than 250–550 s, for the case of Y¯ = 0 Pa (gravity-dominated cratering); and not less than 22–26 m diameter, formed in not less than 1–3 s, for the case of Y¯ = 10 kPa (strength-dominated cratering).
    [Show full text]