Eighteen. Comparison of Simple Impact Craters: A Case Study of Meteor and Lonar Craters

  1. Gordon R. Osinski4 and
  2. Elisabetta Pierazzo5
  1. Horton E. Newsom1,
  2. Shawn P. Wright1,
  3. Saumitra Misra2 and
  4. Justin J. Hagerty3

Published Online: 25 OCT 2012

DOI: 10.1002/9781118447307.ch18

Impact Cratering: Processes and Products

Impact Cratering: Processes and Products

How to Cite

Newsom, H. E., Wright, S. P., Misra, S. and Hagerty, J. J. (2012) Comparison of Simple Impact Craters: A Case Study of Meteor and Lonar Craters, in Impact Cratering: Processes and Products (eds G. R. Osinski and E. Pierazzo), John Wiley & Sons, Ltd, Chichester, UK. doi: 10.1002/9781118447307.ch18

Editor Information

  1. 4

    Departments of Earth Sciences/Physics and Astronomy, Western University, 1151 Richmond Street, London, ON, N6A 5B7, Canada

  2. 5

    Planetary Science Institute, 1700 E. Fort Lowell Road, Suite 106, Tucson, AZ 85719, USA

Author Information

  1. 1

    Institute of Meteoritics and Department of Earth and Planetary Sciences MSC03 2050, University of New Mexico, Albuquerque, NM 87131, USA

  2. 2

    School of Geological Sciences, University of Kwazulu-Natal, Private Bag X54001, Durban 4000, South Africa

  3. 3

    United States Geological Survey, Astrogeology Science Center, 2255 N. Gemini Drive, Flagstaff, AZ 86001, USA

Publication History

  1. Published Online: 25 OCT 2012
  2. Published Print: 30 NOV 2012

ISBN Information

Print ISBN: 9781405198295

Online ISBN: 9781118447307



  • Meteor and Lonar Craters, natural laboratories for research;
  • Meteor Crater, Arizona, and Lonar Crater, Deccan Trap flood basalt;
  • Lonar Crater, target basalts Fe rich, as Martian basalts in geochemistry;
  • simple crater implications for impact crater, comparison of properties;
  • ejecta and crater fill, continuous ejecta blanket outside crater;
  • shocked minerals and rocks and impact melts;
  • Lonar Crater in the Deccan, gullies from the rim to the lake;
  • alteration minerals, core LNR-3 and celadonite (core LNR-1);
  • ejecta blanket and palaeosol alteration, nature of excavated cavity;
  • impactor fragmentation and impact plume properties


This chapter contains sections titled:

  • Introduction

  • Meteor Crater, Arizona

  • Lonar Crater

  • Comparisons and planetary implications

  • Summary and concluding remarks

  • Acknowledgements

  • References